82 changed files with 50298 additions and 28911 deletions
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@ -25,12 +25,12 @@ jobs:
        uses: actions/checkout@v4

      - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@v2
        with:
          languages: ${{ matrix.language }}

      - name: Autobuild
-        uses: github/codeql-action/autobuild@v3
+        uses: github/codeql-action/autobuild@v2

      - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@v2
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@ -14,13 +14,11 @@ jobs:
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
-        with:
-          fetch-depth: '0'

      - name: Golangci lint
-        uses: golangci/golangci-lint-action@v8
+        uses: golangci/golangci-lint-action@v3
        with:
-          version: v2.1.6
+          version: latest

  rust-lint:
    name: Rust Lint
--- a/.gitignore
+++ b/.gitignore
@ -67,6 +67,10 @@ artifacts
 # will have compiled files and executables
 /target/

+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
 # These are backup files generated by rustfmt
 **/*.rs.bk

--- a/.golangci.yml
+++ b/.golangci.yml
@ -1,53 +1,37 @@
-version: "2"
 run:
+  deadline: 3m
  modules-download-mode: readonly
-linters:
-  default: none
-  enable:
-    - errcheck
-    - goconst
-    - gocyclo
-    - govet
-    - misspell
-    - staticcheck
-  settings:
-    gocyclo:
-      min-complexity: 60
-  exclusions:
-    generated: lax
-    presets:
-      - comments
-      - common-false-positives
-      - legacy
-      - std-error-handling
-    rules:
-      - linters:
-          - staticcheck
-        text: 'SA1019:'
-    paths:
-      - third_party$
-      - builtin$
-      - examples$
+
+linters-settings:
+  gocyclo:
+    min-complexity: 60
+  gci:
+    sections:
+      - standard
+      - default
+
 issues:
  new: true
-formatters:
+  exclude-rules:
+    - linters:
+        - staticcheck
+      text: "SA1019:"
+
+linters:
+  disable-all: true
  enable:
    - gci
    - gofmt
-  settings:
-    gci:
-      sections:
-        - standard
-        - default
-  exclusions:
-    generated: lax
-    paths:
-      - third_party$
-      - builtin$
-      - examples$
+    - golint
+    - misspell
+    - govet
+    - goconst
+    - deadcode
+    - gocyclo
+    - staticcheck
+    - errcheck
+
 output:
-  formats:
-    text:
-      path: stdout
-      print-linter-name: true
-      print-issued-lines: true
+  format: colored-line-number
+  print-issued-lines: true
+  print-linter-name: true
--- a/Cargo.lock
+++ b/Cargo.lock
--- a/Cargo.toml
+++ b/Cargo.toml
@ -1,6 +1,6 @@
 [package]
 name = "dragonfly-api"
-version = "2.1.47"
+version = "2.0.29"
 authors = ["Gaius <gaius.qi@gmail.com>"]
 edition = "2021"
 license = "Apache-2.0"
@ -11,12 +11,10 @@ readme = "README.md"

 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 [dependencies]
-tonic = "0.12.3"
-prost = "0.13.5"
-prost-types = "0.14.1"
-tokio = { version = "1.46.1", features = ["rt-multi-thread", "macros"] }
-serde = { version = "1.0", features = ["derive"] }
-prost-wkt-types = "0.6"
+tonic = "0.9.2"
+prost = "0.11.9"
+prost-types = "0.11.9"
+tokio = { version = "1.29.1", features = ["rt-multi-thread", "macros"] }

 [build-dependencies]
-tonic-build = "0.12.1"
+tonic-build = "0.9.2"
--- a/2
+++ b/2
@ -17,7 +17,7 @@ all: help
 # Run code lint
 lint: markdownlint
 	@echo "Begin to golangci-lint."
-	@./hack/golanglint.sh
+	@golangci-lint run
 .PHONY: lint

 # Run markdown lint
--- a/README.md
+++ b/README.md
@ -1,6 +1,6 @@
 # api

-[![Discussions](https://img.shields.io/badge/discussions-on%20github-blue?style=flat-square)](https://github.com/dragonflyoss/dragonfly/discussions)
+[![Discussions](https://img.shields.io/badge/discussions-on%20github-blue?style=flat-square)](https://github.com/dragonflyoss/Dragonfly2/discussions)
 [![LICENSE](https://img.shields.io/github/license/dragonflyoss/api.svg?style=flat-square)](https://github.com/dragonflyoss/api/blob/main/LICENSE)

 Canonical location of the Dragonfly API definition.
@ -9,24 +9,24 @@ The project includes the api definitions of dragonfly services and the mocks of
 ## Note to developers

 If developers need to change dragonfly api definition,
-please contact [dragonfly maintainers](https://github.com/dragonflyoss/dragonfly/blob/main/MAINTAINERS.md).
+please contact [dragonfly maintainers](https://github.com/dragonflyoss/Dragonfly2/blob/main/MAINTAINERS.md).

 ## Community

 Join the conversation and help the community.

 - **Slack Channel**: [#dragonfly](https://cloud-native.slack.com/messages/dragonfly/) on [CNCF Slack](https://slack.cncf.io/)
- **Github Discussions**: [Dragonfly Discussion Forum](https://github.com/dragonflyoss/dragonfly/discussions)
+- **Discussion Group**: <dragonfly-discuss@googlegroups.com>
 - **Developer Group**: <dragonfly-developers@googlegroups.com>
- **Maintainer Group**: <dragonfly-maintainers@googlegroups.com>
+- **Github Discussions**: [Dragonfly Discussion Forum](https://github.com/dragonflyoss/Dragonfly2/discussions)
 - **Twitter**: [@dragonfly_oss](https://twitter.com/dragonfly_oss)
 - **DingTalk**: [22880028764](https://qr.dingtalk.com/action/joingroup?code=v1,k1,pkV9IbsSyDusFQdByPSK3HfCG61ZCLeb8b/lpQ3uUqI=&_dt_no_comment=1&origin=11)

 ## Contributing

 You should check out our
-[CONTRIBUTING](https://github.com/dragonflyoss/dragonfly/blob/main/CONTRIBUTING.md) and develop the project together.
+[CONTRIBUTING](https://github.com/dragonflyoss/Dragonfly2/blob/main/CONTRIBUTING.md) and develop the project together.

 ## Code of Conduct

-Please refer to our [Code of Conduct](https://github.com/dragonflyoss/dragonfly/blob/main/CODE_OF_CONDUCT.md).
+Please refer to our [Code of Conduct](https://github.com/dragonflyoss/Dragonfly2/blob/main/CODE_OF_CONDUCT.md).
--- a/build.rs
+++ b/build.rs
@ -2,18 +2,11 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
    tonic_build::configure()
        .file_descriptor_set_path("src/descriptor.bin")
        .protoc_arg("--experimental_allow_proto3_optional")
-        .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
-        .type_attribute(
-            "scheduler.v2.AnnouncePeerRequest.request",
-            "#[allow(clippy::large_enum_variant)]",
-        )
-        .extern_path(".google.protobuf.Timestamp", "::prost_wkt_types::Timestamp")
-        .extern_path(".google.protobuf.Duration", "::prost_wkt_types::Duration")
        .out_dir("src")
        .compile(
            &[
                "proto/common.proto",
-                "proto/errordetails.proto",
+                "proto/security.proto",
                "proto/dfdaemon.proto",
                "proto/manager.proto",
                "proto/scheduler.proto",
--- a/go.mod
+++ b/go.mod
@ -1,17 +1,18 @@
 module d7y.io/api/v2

-go 1.23.8
+go 1.20

 require (
-	github.com/envoyproxy/protoc-gen-validate v1.2.1
-	go.uber.org/mock v0.5.2
-	google.golang.org/grpc v1.73.0
-	google.golang.org/protobuf v1.36.6
+	github.com/envoyproxy/protoc-gen-validate v1.0.2
+	github.com/golang/mock v1.6.0
+	google.golang.org/grpc v1.59.0-dev
+	google.golang.org/protobuf v1.31.0
 )

 require (
-	golang.org/x/net v0.38.0 // indirect
-	golang.org/x/sys v0.31.0 // indirect
-	golang.org/x/text v0.23.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463 // indirect
+	github.com/golang/protobuf v1.5.3 // indirect
+	golang.org/x/net v0.12.0 // indirect
+	golang.org/x/sys v0.10.0 // indirect
+	golang.org/x/text v0.11.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 )
--- a/go.sum
+++ b/go.sum
@ -1,38 +1,47 @@
-github.com/envoyproxy/protoc-gen-validate v1.2.1 h1:DEo3O99U8j4hBFwbJfrz9VtgcDfUKS7KJ7spH3d86P8=
-github.com/envoyproxy/protoc-gen-validate v1.2.1/go.mod h1:d/C80l/jxXLdfEIhX1W2TmLfsJ31lvEjwamM4DxlWXU=
-github.com/go-logr/logr v1.4.2 h1:6pFjapn8bFcIbiKo3XT4j/BhANplGihG6tvd+8rYgrY=
-github.com/go-logr/logr v1.4.2/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
-github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
-github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
-github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
-github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
-github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
-github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
-github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
-go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
-go.opentelemetry.io/otel v1.35.0 h1:xKWKPxrxB6OtMCbmMY021CqC45J+3Onta9MqjhnusiQ=
-go.opentelemetry.io/otel v1.35.0/go.mod h1:UEqy8Zp11hpkUrL73gSlELM0DupHoiq72dR+Zqel/+Y=
-go.opentelemetry.io/otel/metric v1.35.0 h1:0znxYu2SNyuMSQT4Y9WDWej0VpcsxkuklLa4/siN90M=
-go.opentelemetry.io/otel/metric v1.35.0/go.mod h1:nKVFgxBZ2fReX6IlyW28MgZojkoAkJGaE8CpgeAU3oE=
-go.opentelemetry.io/otel/sdk v1.35.0 h1:iPctf8iprVySXSKJffSS79eOjl9pvxV9ZqOWT0QejKY=
-go.opentelemetry.io/otel/sdk v1.35.0/go.mod h1:+ga1bZliga3DxJ3CQGg3updiaAJoNECOgJREo9KHGQg=
-go.opentelemetry.io/otel/sdk/metric v1.35.0 h1:1RriWBmCKgkeHEhM7a2uMjMUfP7MsOF5JpUCaEqEI9o=
-go.opentelemetry.io/otel/sdk/metric v1.35.0/go.mod h1:is6XYCUMpcKi+ZsOvfluY5YstFnhW0BidkR+gL+qN+w=
-go.opentelemetry.io/otel/trace v1.35.0 h1:dPpEfJu1sDIqruz7BHFG3c7528f6ddfSWfFDVt/xgMs=
-go.opentelemetry.io/otel/trace v1.35.0/go.mod h1:WUk7DtFp1Aw2MkvqGdwiXYDZZNvA/1J8o6xRXLrIkyc=
-go.uber.org/mock v0.5.2 h1:LbtPTcP8A5k9WPXj54PPPbjcI4Y6lhyOZXn+VS7wNko=
-go.uber.org/mock v0.5.2/go.mod h1:wLlUxC2vVTPTaE3UD51E0BGOAElKrILxhVSDYQLld5o=
-golang.org/x/net v0.38.0 h1:vRMAPTMaeGqVhG5QyLJHqNDwecKTomGeqbnfZyKlBI8=
-golang.org/x/net v0.38.0/go.mod h1:ivrbrMbzFq5J41QOQh0siUuly180yBYtLp+CKbEaFx8=
-golang.org/x/sys v0.31.0 h1:ioabZlmFYtWhL+TRYpcnNlLwhyxaM9kWTDEmfnprqik=
-golang.org/x/sys v0.31.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463 h1:e0AIkUUhxyBKh6ssZNrAMeqhA7RKUj42346d1y02i2g=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20250324211829-b45e905df463/go.mod h1:qQ0YXyHHx3XkvlzUtpXDkS29lDSafHMZBAZDc03LQ3A=
-google.golang.org/grpc v1.73.0 h1:VIWSmpI2MegBtTuFt5/JWy2oXxtjJ/e89Z70ImfD2ok=
-google.golang.org/grpc v1.73.0/go.mod h1:50sbHOUqWoCQGI8V2HQLJM0B+LMlIUjNSZmow7EVBQc=
-google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
-google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
+github.com/envoyproxy/protoc-gen-validate v1.0.2 h1:QkIBuU5k+x7/QXPvPPnWXWlCdaBFApVqftFV6k087DA=
+github.com/envoyproxy/protoc-gen-validate v1.0.2/go.mod h1:GpiZQP3dDbg4JouG/NNS7QWXpgx6x8QiMKdmN72jogE=
+github.com/golang/mock v1.6.0 h1:ErTB+efbowRARo13NNdxyJji2egdxLGQhRaY+DUumQc=
+github.com/golang/mock v1.6.0/go.mod h1:p6yTPP+5HYm5mzsMV8JkE6ZKdX+/wYM6Hr+LicevLPs=
+github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
+github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
+github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
+github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
+golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
+golang.org/x/net v0.12.0 h1:cfawfvKITfUsFCeJIHJrbSxpeu/E81khclypR0GVT50=
+golang.org/x/net v0.12.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
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+golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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+golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.1/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 h1:bVf09lpb+OJbByTj913DRJioFFAjf/ZGxEz7MajTp2U=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98/go.mod h1:TUfxEVdsvPg18p6AslUXFoLdpED4oBnGwyqk3dV1XzM=
+google.golang.org/grpc v1.59.0-dev h1:kGGaLrcUHIrrkQ82zIKBy3ERlPAO3DpVN3gbA8NShgg=
+google.golang.org/grpc v1.59.0-dev/go.mod h1:tgX3ZQDlNJGU96V6yHh1T/JeoBQ2TXdr43YbYSsCJk0=
+google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
+google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
+google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
--- a/hack/golanglint.sh
+++ b/hack/golanglint.sh
@ -1,11 +0,0 @@
-#!/bin/bash
-
-LINT_DIR=/data
-GOLANGCI_IMAGE=golangci/golangci-lint:v1.54
-
-docker run --rm \
-    -w "${LINT_DIR}" \
-    -v "$(pwd):${LINT_DIR}:ro" \
-    ${GOLANGCI_IMAGE} \
-    golangci-lint \
-    run -v
--- a/hack/protoc.sh
+++ b/hack/protoc.sh
@ -1,11 +1,12 @@
 #!/bin/bash

-PROTOC_ALL_IMAGE=${PROTOC_ALL_IMAGE:-"namely/protoc-all:1.51_2"}
+PROTOC_ALL_IMAGE=${PROTOC_ALL_IMAGE:-"namely/protoc-all:1.51_1"}
 PROTO_PATH=pkg/apis
 LANGUAGE=go

 proto_modules="common/v1 common/v2 cdnsystem/v1 dfdaemon/v1 dfdaemon/v2
-errordetails/v1 errordetails/v2 manager/v1 manager/v2 scheduler/v1 scheduler/v2"
+errordetails/v1 manager/v1 manager/v2 scheduler/v1 scheduler/v2
+security/v1 trainer/v1 inference/v1"

 echo "generate protos..."

--- a/pkg/apis/cdnsystem/v1/mocks/cdnsystem_mock.go
+++ b/pkg/apis/cdnsystem/v1/mocks/cdnsystem_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../cdnsystem_grpc.pb.go
-//
-// Generated by this command:
-//
-//	mockgen -destination cdnsystem_mock.go -source ../cdnsystem_grpc.pb.go -package mocks
-//

 // Package mocks is a generated GoMock package.
 package mocks
@ -15,7 +10,7 @@ import (

 	cdnsystem "d7y.io/api/v2/pkg/apis/cdnsystem/v1"
 	common "d7y.io/api/v2/pkg/apis/common/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 )
@ -24,7 +19,6 @@ import (
 type MockSeederClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeederClientMockRecorder
-	isgomock struct{}
 }

 // MockSeederClientMockRecorder is the mock recorder for MockSeederClient.
@ -47,7 +41,7 @@ func (m *MockSeederClient) EXPECT() *MockSeederClientMockRecorder {
 // GetPieceTasks mocks base method.
 func (m *MockSeederClient) GetPieceTasks(ctx context.Context, in *common.PieceTaskRequest, opts ...grpc.CallOption) (*common.PiecePacket, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +52,16 @@ func (m *MockSeederClient) GetPieceTasks(ctx context.Context, in *common.PieceTa
 }

 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockSeederClientMockRecorder) GetPieceTasks(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSeederClientMockRecorder) GetPieceTasks(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockSeederClient)(nil).GetPieceTasks), varargs...)
 }

 // ObtainSeeds mocks base method.
 func (m *MockSeederClient) ObtainSeeds(ctx context.Context, in *cdnsystem.SeedRequest, opts ...grpc.CallOption) (cdnsystem.Seeder_ObtainSeedsClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +72,16 @@ func (m *MockSeederClient) ObtainSeeds(ctx context.Context, in *cdnsystem.SeedRe
 }

 // ObtainSeeds indicates an expected call of ObtainSeeds.
-func (mr *MockSeederClientMockRecorder) ObtainSeeds(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSeederClientMockRecorder) ObtainSeeds(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ObtainSeeds", reflect.TypeOf((*MockSeederClient)(nil).ObtainSeeds), varargs...)
 }

 // SyncPieceTasks mocks base method.
 func (m *MockSeederClient) SyncPieceTasks(ctx context.Context, opts ...grpc.CallOption) (cdnsystem.Seeder_SyncPieceTasksClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,9 +92,9 @@ func (m *MockSeederClient) SyncPieceTasks(ctx context.Context, opts ...grpc.Call
 }

 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockSeederClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *gomock.Call {
+func (mr *MockSeederClientMockRecorder) SyncPieceTasks(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockSeederClient)(nil).SyncPieceTasks), varargs...)
 }

@ -108,7 +102,6 @@ func (mr *MockSeederClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *go
 type MockSeeder_ObtainSeedsClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_ObtainSeedsClientMockRecorder
-	isgomock struct{}
 }

 // MockSeeder_ObtainSeedsClientMockRecorder is the mock recorder for MockSeeder_ObtainSeedsClient.
@ -195,7 +188,7 @@ func (m_2 *MockSeeder_ObtainSeedsClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_ObtainSeedsClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsClient)(nil).RecvMsg), m)
 }
@ -209,7 +202,7 @@ func (m_2 *MockSeeder_ObtainSeedsClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_ObtainSeedsClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsClient)(nil).SendMsg), m)
 }
@ -232,7 +225,6 @@ func (mr *MockSeeder_ObtainSeedsClientMockRecorder) Trailer() *gomock.Call {
 type MockSeeder_SyncPieceTasksClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_SyncPieceTasksClientMockRecorder
-	isgomock struct{}
 }

 // MockSeeder_SyncPieceTasksClientMockRecorder is the mock recorder for MockSeeder_SyncPieceTasksClient.
@ -319,7 +311,7 @@ func (m_2 *MockSeeder_SyncPieceTasksClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksClient)(nil).RecvMsg), m)
 }
@ -333,7 +325,7 @@ func (m *MockSeeder_SyncPieceTasksClient) Send(arg0 *common.PieceTaskRequest) er
 }

 // Send indicates an expected call of Send.
-func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSeeder_SyncPieceTasksClient)(nil).Send), arg0)
 }
@ -347,7 +339,7 @@ func (m_2 *MockSeeder_SyncPieceTasksClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksClient)(nil).SendMsg), m)
 }
@ -370,7 +362,6 @@ func (mr *MockSeeder_SyncPieceTasksClientMockRecorder) Trailer() *gomock.Call {
 type MockSeederServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeederServerMockRecorder
-	isgomock struct{}
 }

 // MockSeederServerMockRecorder is the mock recorder for MockSeederServer.
@ -400,7 +391,7 @@ func (m *MockSeederServer) GetPieceTasks(arg0 context.Context, arg1 *common.Piec
 }

 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockSeederServerMockRecorder) GetPieceTasks(arg0, arg1 any) *gomock.Call {
+func (mr *MockSeederServerMockRecorder) GetPieceTasks(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockSeederServer)(nil).GetPieceTasks), arg0, arg1)
 }
@ -414,7 +405,7 @@ func (m *MockSeederServer) ObtainSeeds(arg0 *cdnsystem.SeedRequest, arg1 cdnsyst
 }

 // ObtainSeeds indicates an expected call of ObtainSeeds.
-func (mr *MockSeederServerMockRecorder) ObtainSeeds(arg0, arg1 any) *gomock.Call {
+func (mr *MockSeederServerMockRecorder) ObtainSeeds(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ObtainSeeds", reflect.TypeOf((*MockSeederServer)(nil).ObtainSeeds), arg0, arg1)
 }
@ -428,7 +419,7 @@ func (m *MockSeederServer) SyncPieceTasks(arg0 cdnsystem.Seeder_SyncPieceTasksSe
 }

 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockSeederServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
+func (mr *MockSeederServerMockRecorder) SyncPieceTasks(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockSeederServer)(nil).SyncPieceTasks), arg0)
 }
@ -437,7 +428,6 @@ func (mr *MockSeederServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
 type MockUnsafeSeederServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeSeederServerMockRecorder
-	isgomock struct{}
 }

 // MockUnsafeSeederServerMockRecorder is the mock recorder for MockUnsafeSeederServer.
@ -473,7 +463,6 @@ func (mr *MockUnsafeSeederServerMockRecorder) mustEmbedUnimplementedSeederServer
 type MockSeeder_ObtainSeedsServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_ObtainSeedsServerMockRecorder
-	isgomock struct{}
 }

 // MockSeeder_ObtainSeedsServerMockRecorder is the mock recorder for MockSeeder_ObtainSeedsServer.
@ -516,7 +505,7 @@ func (m_2 *MockSeeder_ObtainSeedsServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).RecvMsg), m)
 }
@ -530,7 +519,7 @@ func (m *MockSeeder_ObtainSeedsServer) Send(arg0 *cdnsystem.PieceSeed) error {
 }

 // Send indicates an expected call of Send.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).Send), arg0)
 }
@ -544,7 +533,7 @@ func (m *MockSeeder_ObtainSeedsServer) SendHeader(arg0 metadata.MD) error {
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SendHeader), arg0)
 }
@ -558,7 +547,7 @@ func (m_2 *MockSeeder_ObtainSeedsServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SendMsg), m)
 }
@ -572,7 +561,7 @@ func (m *MockSeeder_ObtainSeedsServer) SetHeader(arg0 metadata.MD) error {
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SetHeader), arg0)
 }
@ -584,7 +573,7 @@ func (m *MockSeeder_ObtainSeedsServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSeeder_ObtainSeedsServer)(nil).SetTrailer), arg0)
 }
@ -593,7 +582,6 @@ func (mr *MockSeeder_ObtainSeedsServerMockRecorder) SetTrailer(arg0 any) *gomock
 type MockSeeder_SyncPieceTasksServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSeeder_SyncPieceTasksServerMockRecorder
-	isgomock struct{}
 }

 // MockSeeder_SyncPieceTasksServerMockRecorder is the mock recorder for MockSeeder_SyncPieceTasksServer.
@ -651,7 +639,7 @@ func (m_2 *MockSeeder_SyncPieceTasksServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).RecvMsg), m)
 }
@ -665,7 +653,7 @@ func (m *MockSeeder_SyncPieceTasksServer) Send(arg0 *common.PiecePacket) error {
 }

 // Send indicates an expected call of Send.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).Send), arg0)
 }
@ -679,7 +667,7 @@ func (m *MockSeeder_SyncPieceTasksServer) SendHeader(arg0 metadata.MD) error {
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SendHeader), arg0)
 }
@ -693,7 +681,7 @@ func (m_2 *MockSeeder_SyncPieceTasksServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SendMsg), m)
 }
@ -707,7 +695,7 @@ func (m *MockSeeder_SyncPieceTasksServer) SetHeader(arg0 metadata.MD) error {
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SetHeader), arg0)
 }
@ -719,7 +707,7 @@ func (m *MockSeeder_SyncPieceTasksServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockSeeder_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockSeeder_SyncPieceTasksServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/common/v2/common.pb.go
+++ b/pkg/apis/common/v2/common.pb.go
--- a/pkg/apis/common/v2/common.pb.validate.go
+++ b/pkg/apis/common/v2/common.pb.validate.go
--- a/pkg/apis/common/v2/common.proto
+++ b/pkg/apis/common/v2/common.proto
@ -44,24 +44,18 @@ enum SizeScope {

 // TaskType represents type of task.
 enum TaskType {
-  // STANDARD is standard type of task, it can download from source, remote peer and
-  // local peer(local cache). When the standard task is never downloaded in the
-  // P2P cluster, dfdaemon will download the task from the source. When the standard
-  // task is downloaded in the P2P cluster, dfdaemon will download the task from
-  // the remote peer or local peer(local cache).
-  STANDARD = 0;
+  // DFDAEMON is dfdeamon type of task,
+  // dfdeamon task is a normal p2p task.
+  DFDAEMON = 0;

-  // PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
-  // When the persistent task is imported into the P2P cluster, dfdaemon will store
-  // the task in the peer's disk and copy multiple replicas to remote peers to
-  // prevent data loss.
-  PERSISTENT = 1;
+  // DFCACHE is dfcache type of task,
+  // dfcache task is a cache task, and the task url is fake url.
+  // It can only be used for caching and cannot be downloaded back to source.
+  DFCACHE = 1;

-  // PERSIST_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
-  // When the persistent cache task is imported into the P2P cluster, dfdaemon will store
-  // the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
-  // When the expiration time is reached, task will be deleted in the P2P cluster.
-  PERSISTENT_CACHE = 2;
+  // DFSTORE is dfstore type of task,
+  // dfstore task is a persistent task in backend.
+  DFSTORE = 2;
 }

 // TrafficType represents type of traffic.
@ -138,29 +132,6 @@ message Peer {
  google.protobuf.Timestamp updated_at = 11 [(validate.rules).timestamp.required = true];
 }

-// PersistentCachePeer metadata.
-message PersistentCachePeer {
-  // Peer id.
-  string id = 1 [(validate.rules).string.min_len = 1];
-  // Persistent represents whether the persistent cache peer is persistent.
-  // If the persistent cache peer is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  bool persistent = 2;
-  // Peer downloads costs time.
-  google.protobuf.Duration cost = 3 [(validate.rules).duration.required = true];
-  // Peer state.
-  string state = 4 [(validate.rules).string.min_len = 1];
-  // Task info.
-  PersistentCacheTask task = 5 [(validate.rules).message.required = true];
-  // Host info.
-  Host host = 6 [(validate.rules).message.required = true];
-  // Peer create time.
-  google.protobuf.Timestamp created_at = 7 [(validate.rules).timestamp.required = true];
-  // Peer update time.
-  google.protobuf.Timestamp updated_at = 8 [(validate.rules).timestamp.required = true];
-}
-
 // Task metadata.
 message Task {
  // Task id.
@ -169,78 +140,36 @@ message Task {
  TaskType type = 2 [(validate.rules).enum.defined_only = true];
  // Download url.
  string url = 3 [(validate.rules).string.uri = true];
-  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
-  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
-  // Returns an error if the computed digest mismatches the expected value.
-  //
-  // Performance
-  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
-  optional string digest = 4 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
+  optional string digest = 4 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$", ignore_empty: true}];
  // URL tag identifies different task for same url.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
-  // Filtered query params to generate the task id.
-  // When filter is ["Signature", "Expires", "ns"], for example:
-  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
-  // will generate the same task id.
-  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
-  repeated string filtered_query_params = 7;
+  // Filter url used to generate task id.
+  repeated string filters = 7;
  // Task request headers.
-  map<string, string> request_header = 8;
-  // Task content length.
-  uint64 content_length = 9;
-  // Task piece count.
-  uint32 piece_count = 10;
-  // Task size scope.
-  SizeScope size_scope = 11;
-  // Pieces of task.
-  repeated Piece pieces = 12 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
-  // Task state.
-  string state = 13 [(validate.rules).string.min_len = 1];
-  // Task peer count.
-  uint32 peer_count = 14;
-  // Task contains available peer.
-  bool has_available_peer = 15;
-  // Task create time.
-  google.protobuf.Timestamp created_at = 16 [(validate.rules).timestamp.required = true];
-  // Task update time.
-  google.protobuf.Timestamp updated_at = 17 [(validate.rules).timestamp.required = true];
-}
-
-// PersistentCacheTask metadata.
-message PersistentCacheTask {
-  // Task id.
-  string id = 1 [(validate.rules).string.min_len = 1];
-  // Replica count of the persistent cache task. The persistent cache task will
-  // not be deleted when dfdamon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  uint64 persistent_replica_count = 2 [(validate.rules).uint64.gte = 1];
-  // Current replica count of the persistent cache task. The persistent cache task
-  // will not be deleted when dfdaemon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  uint64 current_persistent_replica_count = 3;
-  // Current replica count of the cache task. If cache task is not persistent,
-  // the persistent cache task will be deleted when dfdaemon runs garbage collection.
-  uint64 current_replica_count = 4;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 5;
-  // Application of task.
-  optional string application = 6;
+  map<string, string> header = 8;
  // Task piece length.
-  uint64 piece_length = 7 [(validate.rules).uint64.gte = 4194304];
+  int32 piece_length = 9 [(validate.rules).int32.gte = 1];
  // Task content length.
-  uint64 content_length = 8;
+  int64 content_length = 10 [(validate.rules).int64.gte = 1];
  // Task piece count.
-  uint32 piece_count = 9;
+  int32 piece_count = 11 [(validate.rules).int32.gte = 0];
+  // Task size scope.
+  SizeScope size_scope = 12;
+  // Pieces of task.
+  repeated Piece pieces = 13 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
  // Task state.
-  string state = 10 [(validate.rules).string.min_len = 1];
-  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 11 [(validate.rules).duration.required = true];
+  string state = 14 [(validate.rules).string.min_len = 1];
+  // Task peer count.
+  int32 peer_count = 15 [(validate.rules).int32.gte = 0];
+  // Task contains available peer.
+  bool hasAvailablePeer = 16;
  // Task create time.
-  google.protobuf.Timestamp created_at = 12 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp created_at = 17 [(validate.rules).timestamp.required = true];
  // Task update time.
-  google.protobuf.Timestamp updated_at = 13 [(validate.rules).timestamp.required = true];
+  google.protobuf.Timestamp updated_at = 18 [(validate.rules).timestamp.required = true];
 }

 // Host metadata.
@ -279,8 +208,8 @@ message Host {
  optional Build build = 16;
  // ID of the cluster to which the host belongs.
  uint64 scheduler_cluster_id = 17;
-  // Disable shared data for other peers.
-  bool disable_shared = 18;
+  // Port of object storage server.
+  int32 object_storage_port = 18 [(validate.rules).int32 = {gte: 1024, lt: 65535, ignore_empty: true}];
 }

 // CPU Stat.
@ -348,14 +277,6 @@ message Network {
  optional string location = 3;
  // IDC where the peer host is located
  optional string idc = 4;
-  // Download rate is received bytes per second.
-  uint64 download_rate = 5;
-  // Download rate is the limit of received bytes per second.
-  uint64 download_rate_limit = 6;
-  // Upload rate is transmitted bytes per second.
-  uint64 upload_rate = 7;
-  // Upload rate is the limit of transmitted bytes per second.
-  uint64 upload_rate_limit = 8;
 }

 // Disk Stat.
@ -376,10 +297,6 @@ message Disk {
  uint64 inodes_free = 7;
  // Used percent of indoes on the data path of dragonfly directory.
  double inodes_used_percent = 8 [(validate.rules).double = {gte: 0, lte: 100}];
-  // Disk read bandwidth, in bytes per second.
-  uint64 read_bandwidth = 9;
-  // Disk write bandwidth, in bytes per second.
-  uint64 write_bandwidth = 10;
 }

 // Build information.
@ -400,11 +317,9 @@ message Build {
 message Download {
  // Download url.
  string url = 1 [(validate.rules).string.uri = true];
-  // Digest of the task digest, for example blake3:xxx or sha256:yyy.
-  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
-  // Range is url range of request. If protocol is http, range
-  // will set in request header. If protocol is others, range
-  // will set in range field.
+  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
+  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$", ignore_empty: true}];
+  // Range is url range of request.
  optional Range range = 3;
  // Task type.
  TaskType type = 4 [(validate.rules).enum.defined_only = true];
@ -414,104 +329,46 @@ message Download {
  optional string application = 6;
  // Peer priority.
  Priority priority = 7 [(validate.rules).enum.defined_only = true];
-  // Filtered query params to generate the task id.
-  // When filter is ["Signature", "Expires", "ns"], for example:
-  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
-  // will generate the same task id.
-  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
-  repeated string filtered_query_params = 8;
+  // Filter url used to generate task id.
+  repeated string filters = 8;
  // Task request headers.
-  map<string, string> request_header = 9;
-  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
-  optional uint64 piece_length = 10 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
-  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
-  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
-  // it will copy the file to the output path after the download is completed.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  optional string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  map<string, string> header = 9;
+  // Task piece length.
+  int32 piece_length = 10 [(validate.rules).int32.gte = 1];
+  // File path to be exported.
+  string output_path = 11 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Download timeout.
-  optional google.protobuf.Duration timeout = 12;
-  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
-  bool disable_back_to_source = 13;
-  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+  optional google.protobuf.Duration timeout = 12 [(validate.rules).duration.required = true];
+  // Download rate limit in bytes per second.
+  optional double download_rate_limit = 13 [(validate.rules).double.gte = 0];
+  // NeedBackToSource needs downloaded from source.
  bool need_back_to_source = 14;
-  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
-  repeated bytes certificate_chain = 15;
-  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
-  bool prefetch = 16;
-  // Object storage protocol information.
-  optional ObjectStorage object_storage = 17;
-  // HDFS protocol information.
-  optional HDFS hdfs = 18;
-  // is_prefetch is the flag to indicate whether the request is a prefetch request.
-  bool is_prefetch = 19;
-  // need_piece_content is the flag to indicate whether the response needs to return piece content.
-  bool need_piece_content = 20;
-  // load_to_cache indicates whether the content downloaded will be stored in the cache storage.
-  // Cache storage is designed to store downloaded piece content from preheat tasks, 
-  // allowing other peers to access the content from memory instead of disk.
-  bool load_to_cache = 21;
-  // force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  bool force_hard_link = 22;
-  // content_for_calculating_task_id is the content used to calculate the task id.
-  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
-  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
-  optional string content_for_calculating_task_id = 23;
-  // remote_ip represents the IP address of the client initiating the download request.
-  // For proxy requests, it is set to the IP address of the request source.
-  // For dfget requests, it is set to the IP address of the dfget.
-  optional string remote_ip = 24 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
-
-// Object Storage related information.
-message ObjectStorage {
-  // Region is the region of the object storage service.
-  optional string region = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Endpoint is the endpoint of the object storage service.
-  optional string endpoint = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Access key that used to access the object storage service.
-  optional string access_key_id = 3 [(validate.rules).string.min_len = 1];
-  // Access secret that used to access the object storage service.
-  optional string access_key_secret = 4 [(validate.rules).string.min_len = 1];
-  // Session token that used to access s3 storage service.
-  optional string session_token = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Local path to credential file for Google Cloud Storage service OAuth2 authentication.
-  optional string credential_path = 6 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Predefined ACL that used for the Google Cloud Storage service.
-  optional string predefined_acl = 7 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-}
-
-// HDFS related information.
-message HDFS {
-  // Delegation token for Web HDFS operator.
-  optional string delegation_token = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
 }

 // Range represents download range.
 message Range {
  // Start of range.
-  uint64 start = 1;
+  int64 start = 1;
  // Length of range.
-  uint64 length = 2;
+  int64 length = 2;
 }

 // Piece represents information of piece.
 message Piece {
  // Piece number.
-  uint32 number = 1;
+  int32 number = 1 [(validate.rules).int32.gte = 0];
  // Parent peer id.
  optional string parent_id = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
  // Piece offset.
-  uint64 offset = 3;
+  uint64 offset = 3 [(validate.rules).uint64.gte = 0];
  // Piece length.
-  uint64 length = 4;
-  // Digest of the piece data, for example blake3:xxx or sha256:yyy.
-  string digest = 5 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+  uint64 length = 4 [(validate.rules).uint64.gt = 0];
+  // Digest of the piece data, for example md5:xxx or sha256:yyy.
+  string digest = 5 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$", ignore_empty: true}];
  // Piece content.
-  optional bytes content = 6 [(validate.rules).bytes = {min_len: 1, ignore_empty: true}];
+  bytes content = 6 [(validate.rules).bytes = {min_len: 1, ignore_empty: true}];
  // Traffic type.
-  optional TrafficType traffic_type = 7;
+  TrafficType traffic_type = 7;
  // Downloading piece costs time.
  google.protobuf.Duration cost = 8 [(validate.rules).duration.required = true];
  // Piece create time.
--- a/pkg/apis/dfdaemon/v1/dfdaemon.pb.go
+++ b/pkg/apis/dfdaemon/v1/dfdaemon.pb.go
@ -38,62 +38,6 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )

-// PeerState represents state of peer task.
-type PeerState int32
-
-const (
-	PeerState_Unknown PeerState = 0
-	PeerState_Running PeerState = 1
-	PeerState_Success PeerState = 2
-	PeerState_Failed  PeerState = 3
-	PeerState_Deleted PeerState = 4
-)
-
-// Enum value maps for PeerState.
-var (
-	PeerState_name = map[int32]string{
-		0: "Unknown",
-		1: "Running",
-		2: "Success",
-		3: "Failed",
-		4: "Deleted",
-	}
-	PeerState_value = map[string]int32{
-		"Unknown": 0,
-		"Running": 1,
-		"Success": 2,
-		"Failed":  3,
-		"Deleted": 4,
-	}
-)
-
-func (x PeerState) Enum() *PeerState {
-	p := new(PeerState)
-	*p = x
-	return p
-}
-
-func (x PeerState) String() string {
-	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
-}
-
-func (PeerState) Descriptor() protoreflect.EnumDescriptor {
-	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes[0].Descriptor()
-}
-
-func (PeerState) Type() protoreflect.EnumType {
-	return &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes[0]
-}
-
-func (x PeerState) Number() protoreflect.EnumNumber {
-	return protoreflect.EnumNumber(x)
-}
-
-// Deprecated: Use PeerState.Descriptor instead.
-func (PeerState) EnumDescriptor() ([]byte, []int) {
-	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP(), []int{0}
-}
-
 type DownRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@ -627,118 +571,6 @@ func (x *DeleteTaskRequest) GetUrlMeta() *v1.UrlMeta {
 	return nil
 }

-// PeerMetadata represents metadata of a peer task.
-type PeerMetadata struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	TaskId string    `protobuf:"bytes,1,opt,name=task_id,json=taskId,proto3" json:"task_id,omitempty"`
-	PeerId string    `protobuf:"bytes,2,opt,name=peer_id,json=peerId,proto3" json:"peer_id,omitempty"`
-	State  PeerState `protobuf:"varint,3,opt,name=state,proto3,enum=dfdaemon.PeerState" json:"state,omitempty"`
-}
-
-func (x *PeerMetadata) Reset() {
-	*x = PeerMetadata{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[6]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *PeerMetadata) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*PeerMetadata) ProtoMessage() {}
-
-func (x *PeerMetadata) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[6]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use PeerMetadata.ProtoReflect.Descriptor instead.
-func (*PeerMetadata) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP(), []int{6}
-}
-
-func (x *PeerMetadata) GetTaskId() string {
-	if x != nil {
-		return x.TaskId
-	}
-	return ""
-}
-
-func (x *PeerMetadata) GetPeerId() string {
-	if x != nil {
-		return x.PeerId
-	}
-	return ""
-}
-
-func (x *PeerMetadata) GetState() PeerState {
-	if x != nil {
-		return x.State
-	}
-	return PeerState_Unknown
-}
-
-// PeerExchangeData represents metadata of peer tasks.
-type PeerExchangeData struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	PeerMetadatas []*PeerMetadata `protobuf:"bytes,1,rep,name=PeerMetadatas,proto3" json:"PeerMetadatas,omitempty"`
-}
-
-func (x *PeerExchangeData) Reset() {
-	*x = PeerExchangeData{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[7]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *PeerExchangeData) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*PeerExchangeData) ProtoMessage() {}
-
-func (x *PeerExchangeData) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[7]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use PeerExchangeData.ProtoReflect.Descriptor instead.
-func (*PeerExchangeData) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP(), []int{7}
-}
-
-func (x *PeerExchangeData) GetPeerMetadatas() []*PeerMetadata {
-	if x != nil {
-		return x.PeerMetadatas
-	}
-	return nil
-}
-
 var File_pkg_apis_dfdaemon_v1_dfdaemon_proto protoreflect.FileDescriptor

 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDesc = []byte{
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 }

 var (
@ -905,58 +711,48 @@ func file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescGZIP() []byte {
 	return file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDescData
 }

-var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
+var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_goTypes = []interface{}{
-	(PeerState)(0),              // 0: dfdaemon.PeerState
-	(*DownRequest)(nil),         // 1: dfdaemon.DownRequest
-	(*DownResult)(nil),          // 2: dfdaemon.DownResult
-	(*StatTaskRequest)(nil),     // 3: dfdaemon.StatTaskRequest
-	(*ImportTaskRequest)(nil),   // 4: dfdaemon.ImportTaskRequest
-	(*ExportTaskRequest)(nil),   // 5: dfdaemon.ExportTaskRequest
-	(*DeleteTaskRequest)(nil),   // 6: dfdaemon.DeleteTaskRequest
-	(*PeerMetadata)(nil),        // 7: dfdaemon.PeerMetadata
-	(*PeerExchangeData)(nil),    // 8: dfdaemon.PeerExchangeData
-	(*v1.UrlMeta)(nil),          // 9: common.UrlMeta
-	(v1.TaskType)(0),            // 10: common.TaskType
-	(*v1.PieceTaskRequest)(nil), // 11: common.PieceTaskRequest
-	(*emptypb.Empty)(nil),       // 12: google.protobuf.Empty
-	(*v1.PiecePacket)(nil),      // 13: common.PiecePacket
+	(*DownRequest)(nil),         // 0: dfdaemon.DownRequest
+	(*DownResult)(nil),          // 1: dfdaemon.DownResult
+	(*StatTaskRequest)(nil),     // 2: dfdaemon.StatTaskRequest
+	(*ImportTaskRequest)(nil),   // 3: dfdaemon.ImportTaskRequest
+	(*ExportTaskRequest)(nil),   // 4: dfdaemon.ExportTaskRequest
+	(*DeleteTaskRequest)(nil),   // 5: dfdaemon.DeleteTaskRequest
+	(*v1.UrlMeta)(nil),          // 6: common.UrlMeta
+	(v1.TaskType)(0),            // 7: common.TaskType
+	(*v1.PieceTaskRequest)(nil), // 8: common.PieceTaskRequest
+	(*emptypb.Empty)(nil),       // 9: google.protobuf.Empty
+	(*v1.PiecePacket)(nil),      // 10: common.PiecePacket
 }
 var file_pkg_apis_dfdaemon_v1_dfdaemon_proto_depIdxs = []int32{
-	9,  // 0: dfdaemon.DownRequest.url_meta:type_name -> common.UrlMeta
-	9,  // 1: dfdaemon.StatTaskRequest.url_meta:type_name -> common.UrlMeta
-	9,  // 2: dfdaemon.ImportTaskRequest.url_meta:type_name -> common.UrlMeta
-	10, // 3: dfdaemon.ImportTaskRequest.type:type_name -> common.TaskType
-	9,  // 4: dfdaemon.ExportTaskRequest.url_meta:type_name -> common.UrlMeta
-	9,  // 5: dfdaemon.DeleteTaskRequest.url_meta:type_name -> common.UrlMeta
-	0,  // 6: dfdaemon.PeerMetadata.state:type_name -> dfdaemon.PeerState
-	7,  // 7: dfdaemon.PeerExchangeData.PeerMetadatas:type_name -> dfdaemon.PeerMetadata
-	1,  // 8: dfdaemon.Daemon.Download:input_type -> dfdaemon.DownRequest
-	11, // 9: dfdaemon.Daemon.GetPieceTasks:input_type -> common.PieceTaskRequest
-	12, // 10: dfdaemon.Daemon.CheckHealth:input_type -> google.protobuf.Empty
-	11, // 11: dfdaemon.Daemon.SyncPieceTasks:input_type -> common.PieceTaskRequest
-	3,  // 12: dfdaemon.Daemon.StatTask:input_type -> dfdaemon.StatTaskRequest
-	4,  // 13: dfdaemon.Daemon.ImportTask:input_type -> dfdaemon.ImportTaskRequest
-	5,  // 14: dfdaemon.Daemon.ExportTask:input_type -> dfdaemon.ExportTaskRequest
-	6,  // 15: dfdaemon.Daemon.DeleteTask:input_type -> dfdaemon.DeleteTaskRequest
-	12, // 16: dfdaemon.Daemon.LeaveHost:input_type -> google.protobuf.Empty
-	8,  // 17: dfdaemon.Daemon.PeerExchange:input_type -> dfdaemon.PeerExchangeData
-	2,  // 18: dfdaemon.Daemon.Download:output_type -> dfdaemon.DownResult
-	13, // 19: dfdaemon.Daemon.GetPieceTasks:output_type -> common.PiecePacket
-	12, // 20: dfdaemon.Daemon.CheckHealth:output_type -> google.protobuf.Empty
-	13, // 21: dfdaemon.Daemon.SyncPieceTasks:output_type -> common.PiecePacket
-	12, // 22: dfdaemon.Daemon.StatTask:output_type -> google.protobuf.Empty
-	12, // 23: dfdaemon.Daemon.ImportTask:output_type -> google.protobuf.Empty
-	12, // 24: dfdaemon.Daemon.ExportTask:output_type -> google.protobuf.Empty
-	12, // 25: dfdaemon.Daemon.DeleteTask:output_type -> google.protobuf.Empty
-	12, // 26: dfdaemon.Daemon.LeaveHost:output_type -> google.protobuf.Empty
-	8,  // 27: dfdaemon.Daemon.PeerExchange:output_type -> dfdaemon.PeerExchangeData
-	18, // [18:28] is the sub-list for method output_type
-	8,  // [8:18] is the sub-list for method input_type
-	8,  // [8:8] is the sub-list for extension type_name
-	8,  // [8:8] is the sub-list for extension extendee
-	0,  // [0:8] is the sub-list for field type_name
+	6,  // 0: dfdaemon.DownRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 1: dfdaemon.StatTaskRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 2: dfdaemon.ImportTaskRequest.url_meta:type_name -> common.UrlMeta
+	7,  // 3: dfdaemon.ImportTaskRequest.type:type_name -> common.TaskType
+	6,  // 4: dfdaemon.ExportTaskRequest.url_meta:type_name -> common.UrlMeta
+	6,  // 5: dfdaemon.DeleteTaskRequest.url_meta:type_name -> common.UrlMeta
+	0,  // 6: dfdaemon.Daemon.Download:input_type -> dfdaemon.DownRequest
+	8,  // 7: dfdaemon.Daemon.GetPieceTasks:input_type -> common.PieceTaskRequest
+	9,  // 8: dfdaemon.Daemon.CheckHealth:input_type -> google.protobuf.Empty
+	8,  // 9: dfdaemon.Daemon.SyncPieceTasks:input_type -> common.PieceTaskRequest
+	2,  // 10: dfdaemon.Daemon.StatTask:input_type -> dfdaemon.StatTaskRequest
+	3,  // 11: dfdaemon.Daemon.ImportTask:input_type -> dfdaemon.ImportTaskRequest
+	4,  // 12: dfdaemon.Daemon.ExportTask:input_type -> dfdaemon.ExportTaskRequest
+	5,  // 13: dfdaemon.Daemon.DeleteTask:input_type -> dfdaemon.DeleteTaskRequest
+	1,  // 14: dfdaemon.Daemon.Download:output_type -> dfdaemon.DownResult
+	10, // 15: dfdaemon.Daemon.GetPieceTasks:output_type -> common.PiecePacket
+	9,  // 16: dfdaemon.Daemon.CheckHealth:output_type -> google.protobuf.Empty
+	10, // 17: dfdaemon.Daemon.SyncPieceTasks:output_type -> common.PiecePacket
+	9,  // 18: dfdaemon.Daemon.StatTask:output_type -> google.protobuf.Empty
+	9,  // 19: dfdaemon.Daemon.ImportTask:output_type -> google.protobuf.Empty
+	9,  // 20: dfdaemon.Daemon.ExportTask:output_type -> google.protobuf.Empty
+	9,  // 21: dfdaemon.Daemon.DeleteTask:output_type -> google.protobuf.Empty
+	14, // [14:22] is the sub-list for method output_type
+	6,  // [6:14] is the sub-list for method input_type
+	6,  // [6:6] is the sub-list for extension type_name
+	6,  // [6:6] is the sub-list for extension extendee
+	0,  // [0:6] is the sub-list for field type_name
 }

 func init() { file_pkg_apis_dfdaemon_v1_dfdaemon_proto_init() }
@ -1037,44 +833,19 @@ func file_pkg_apis_dfdaemon_v1_dfdaemon_proto_init() {
 				return nil
 			}
 		}
-		file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PeerMetadata); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*PeerExchangeData); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_pkg_apis_dfdaemon_v1_dfdaemon_proto_rawDesc,
-			NumEnums:      1,
-			NumMessages:   8,
+			NumEnums:      0,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
 		GoTypes:           file_pkg_apis_dfdaemon_v1_dfdaemon_proto_goTypes,
 		DependencyIndexes: file_pkg_apis_dfdaemon_v1_dfdaemon_proto_depIdxs,
-		EnumInfos:         file_pkg_apis_dfdaemon_v1_dfdaemon_proto_enumTypes,
 		MessageInfos:      file_pkg_apis_dfdaemon_v1_dfdaemon_proto_msgTypes,
 	}.Build()
 	File_pkg_apis_dfdaemon_v1_dfdaemon_proto = out.File
--- a/pkg/apis/dfdaemon/v1/dfdaemon.pb.validate.go
+++ b/pkg/apis/dfdaemon/v1/dfdaemon.pb.validate.go
@ -1043,242 +1043,3 @@ var _ interface {
 	Cause() error
 	ErrorName() string
 } = DeleteTaskRequestValidationError{}
-
-// Validate checks the field values on PeerMetadata with the rules defined in
-// the proto definition for this message. If any rules are violated, the first
-// error encountered is returned, or nil if there are no violations.
-func (m *PeerMetadata) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on PeerMetadata with the rules defined
-// in the proto definition for this message. If any rules are violated, the
-// result is a list of violation errors wrapped in PeerMetadataMultiError, or
-// nil if none found.
-func (m *PeerMetadata) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *PeerMetadata) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	// no validation rules for TaskId
-
-	// no validation rules for PeerId
-
-	// no validation rules for State
-
-	if len(errors) > 0 {
-		return PeerMetadataMultiError(errors)
-	}
-
-	return nil
-}
-
-// PeerMetadataMultiError is an error wrapping multiple validation errors
-// returned by PeerMetadata.ValidateAll() if the designated constraints aren't met.
-type PeerMetadataMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m PeerMetadataMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m PeerMetadataMultiError) AllErrors() []error { return m }
-
-// PeerMetadataValidationError is the validation error returned by
-// PeerMetadata.Validate if the designated constraints aren't met.
-type PeerMetadataValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e PeerMetadataValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e PeerMetadataValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e PeerMetadataValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e PeerMetadataValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e PeerMetadataValidationError) ErrorName() string { return "PeerMetadataValidationError" }
-
-// Error satisfies the builtin error interface
-func (e PeerMetadataValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sPeerMetadata.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = PeerMetadataValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = PeerMetadataValidationError{}
-
-// Validate checks the field values on PeerExchangeData with the rules defined
-// in the proto definition for this message. If any rules are violated, the
-// first error encountered is returned, or nil if there are no violations.
-func (m *PeerExchangeData) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on PeerExchangeData with the rules
-// defined in the proto definition for this message. If any rules are
-// violated, the result is a list of violation errors wrapped in
-// PeerExchangeDataMultiError, or nil if none found.
-func (m *PeerExchangeData) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *PeerExchangeData) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	for idx, item := range m.GetPeerMetadatas() {
-		_, _ = idx, item
-
-		if all {
-			switch v := interface{}(item).(type) {
-			case interface{ ValidateAll() error }:
-				if err := v.ValidateAll(); err != nil {
-					errors = append(errors, PeerExchangeDataValidationError{
-						field:  fmt.Sprintf("PeerMetadatas[%v]", idx),
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			case interface{ Validate() error }:
-				if err := v.Validate(); err != nil {
-					errors = append(errors, PeerExchangeDataValidationError{
-						field:  fmt.Sprintf("PeerMetadatas[%v]", idx),
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			}
-		} else if v, ok := interface{}(item).(interface{ Validate() error }); ok {
-			if err := v.Validate(); err != nil {
-				return PeerExchangeDataValidationError{
-					field:  fmt.Sprintf("PeerMetadatas[%v]", idx),
-					reason: "embedded message failed validation",
-					cause:  err,
-				}
-			}
-		}
-
-	}
-
-	if len(errors) > 0 {
-		return PeerExchangeDataMultiError(errors)
-	}
-
-	return nil
-}
-
-// PeerExchangeDataMultiError is an error wrapping multiple validation errors
-// returned by PeerExchangeData.ValidateAll() if the designated constraints
-// aren't met.
-type PeerExchangeDataMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m PeerExchangeDataMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m PeerExchangeDataMultiError) AllErrors() []error { return m }
-
-// PeerExchangeDataValidationError is the validation error returned by
-// PeerExchangeData.Validate if the designated constraints aren't met.
-type PeerExchangeDataValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e PeerExchangeDataValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e PeerExchangeDataValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e PeerExchangeDataValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e PeerExchangeDataValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e PeerExchangeDataValidationError) ErrorName() string { return "PeerExchangeDataValidationError" }
-
-// Error satisfies the builtin error interface
-func (e PeerExchangeDataValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sPeerExchangeData.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = PeerExchangeDataValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = PeerExchangeDataValidationError{}
--- a/pkg/apis/dfdaemon/v1/dfdaemon.proto
+++ b/pkg/apis/dfdaemon/v1/dfdaemon.proto
@ -110,27 +110,6 @@ message DeleteTaskRequest{
  common.UrlMeta url_meta = 2 [(validate.rules).message.required = true];
 }

-// PeerState represents state of peer task.
-enum PeerState {
-  Unknown = 0;
-  Running = 1;
-  Success = 2;
-  Failed = 3;
-  Deleted = 4;
-}
-
-// PeerMetadata represents metadata of a peer task.
-message PeerMetadata {
-  string task_id = 1;
-  string peer_id = 2;
-  PeerState state = 3;
-}
-
-// PeerExchangeData represents metadata of peer tasks.
-message PeerExchangeData {
-  repeated PeerMetadata PeerMetadatas= 1;
-}
-
 // Daemon Client RPC Service
 service Daemon{
  // Trigger client to download file
@ -149,8 +128,4 @@ service Daemon{
  rpc ExportTask(ExportTaskRequest) returns(google.protobuf.Empty);
  // Delete file from P2P cache system
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
-  // LeaveHost releases host in scheduler.
-  rpc LeaveHost(google.protobuf.Empty)returns(google.protobuf.Empty);
-  // Exchange peers between daemons
-  rpc PeerExchange(stream PeerExchangeData)returns(stream PeerExchangeData);
 }
--- a/pkg/apis/dfdaemon/v1/dfdaemon_grpc.pb.go
+++ b/pkg/apis/dfdaemon/v1/dfdaemon_grpc.pb.go
@ -40,10 +40,6 @@ type DaemonClient interface {
 	ExportTask(ctx context.Context, in *ExportTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// Delete file from P2P cache system
 	DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// LeaveHost releases host in scheduler.
-	LeaveHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// Exchange peers between daemons
-	PeerExchange(ctx context.Context, opts ...grpc.CallOption) (Daemon_PeerExchangeClient, error)
 }

 type daemonClient struct {
@ -171,46 +167,6 @@ func (c *daemonClient) DeleteTask(ctx context.Context, in *DeleteTaskRequest, op
 	return out, nil
 }

-func (c *daemonClient) LeaveHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/dfdaemon.Daemon/LeaveHost", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *daemonClient) PeerExchange(ctx context.Context, opts ...grpc.CallOption) (Daemon_PeerExchangeClient, error) {
-	stream, err := c.cc.NewStream(ctx, &Daemon_ServiceDesc.Streams[2], "/dfdaemon.Daemon/PeerExchange", opts...)
-	if err != nil {
-		return nil, err
-	}
-	x := &daemonPeerExchangeClient{stream}
-	return x, nil
-}
-
-type Daemon_PeerExchangeClient interface {
-	Send(*PeerExchangeData) error
-	Recv() (*PeerExchangeData, error)
-	grpc.ClientStream
-}
-
-type daemonPeerExchangeClient struct {
-	grpc.ClientStream
-}
-
-func (x *daemonPeerExchangeClient) Send(m *PeerExchangeData) error {
-	return x.ClientStream.SendMsg(m)
-}
-
-func (x *daemonPeerExchangeClient) Recv() (*PeerExchangeData, error) {
-	m := new(PeerExchangeData)
-	if err := x.ClientStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
 // DaemonServer is the server API for Daemon service.
 // All implementations should embed UnimplementedDaemonServer
 // for forward compatibility
@ -231,10 +187,6 @@ type DaemonServer interface {
 	ExportTask(context.Context, *ExportTaskRequest) (*emptypb.Empty, error)
 	// Delete file from P2P cache system
 	DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error)
-	// LeaveHost releases host in scheduler.
-	LeaveHost(context.Context, *emptypb.Empty) (*emptypb.Empty, error)
-	// Exchange peers between daemons
-	PeerExchange(Daemon_PeerExchangeServer) error
 }

 // UnimplementedDaemonServer should be embedded to have forward compatible implementations.
@ -265,12 +217,6 @@ func (UnimplementedDaemonServer) ExportTask(context.Context, *ExportTaskRequest)
 func (UnimplementedDaemonServer) DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DeleteTask not implemented")
 }
-func (UnimplementedDaemonServer) LeaveHost(context.Context, *emptypb.Empty) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method LeaveHost not implemented")
-}
-func (UnimplementedDaemonServer) PeerExchange(Daemon_PeerExchangeServer) error {
-	return status.Errorf(codes.Unimplemented, "method PeerExchange not implemented")
-}

 // UnsafeDaemonServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to DaemonServer will
@ -438,50 +384,6 @@ func _Daemon_DeleteTask_Handler(srv interface{}, ctx context.Context, dec func(i
 	return interceptor(ctx, in, info, handler)
 }

-func _Daemon_LeaveHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(emptypb.Empty)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(DaemonServer).LeaveHost(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/dfdaemon.Daemon/LeaveHost",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(DaemonServer).LeaveHost(ctx, req.(*emptypb.Empty))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Daemon_PeerExchange_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(DaemonServer).PeerExchange(&daemonPeerExchangeServer{stream})
-}
-
-type Daemon_PeerExchangeServer interface {
-	Send(*PeerExchangeData) error
-	Recv() (*PeerExchangeData, error)
-	grpc.ServerStream
-}
-
-type daemonPeerExchangeServer struct {
-	grpc.ServerStream
-}
-
-func (x *daemonPeerExchangeServer) Send(m *PeerExchangeData) error {
-	return x.ServerStream.SendMsg(m)
-}
-
-func (x *daemonPeerExchangeServer) Recv() (*PeerExchangeData, error) {
-	m := new(PeerExchangeData)
-	if err := x.ServerStream.RecvMsg(m); err != nil {
-		return nil, err
-	}
-	return m, nil
-}
-
 // Daemon_ServiceDesc is the grpc.ServiceDesc for Daemon service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -513,10 +415,6 @@ var Daemon_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "DeleteTask",
 			Handler:    _Daemon_DeleteTask_Handler,
 		},
-		{
-			MethodName: "LeaveHost",
-			Handler:    _Daemon_LeaveHost_Handler,
-		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@ -530,12 +428,6 @@ var Daemon_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
-		{
-			StreamName:    "PeerExchange",
-			Handler:       _Daemon_PeerExchange_Handler,
-			ServerStreams: true,
-			ClientStreams: true,
-		},
 	},
 	Metadata: "pkg/apis/dfdaemon/v1/dfdaemon.proto",
 }
--- a/pkg/apis/dfdaemon/v1/mocks/dfdaemon_mock.go
+++ b/pkg/apis/dfdaemon/v1/mocks/dfdaemon_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../dfdaemon_grpc.pb.go
-//
-// Generated by this command:
-//
-//	mockgen -destination dfdaemon_mock.go -source ../dfdaemon_grpc.pb.go -package mocks
-//

 // Package mocks is a generated GoMock package.
 package mocks
@ -15,7 +10,7 @@ import (

 	common "d7y.io/api/v2/pkg/apis/common/v1"
 	dfdaemon "d7y.io/api/v2/pkg/apis/dfdaemon/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -25,7 +20,6 @@ import (
 type MockDaemonClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemonClientMockRecorder
-	isgomock struct{}
 }

 // MockDaemonClientMockRecorder is the mock recorder for MockDaemonClient.
@ -48,7 +42,7 @@ func (m *MockDaemonClient) EXPECT() *MockDaemonClientMockRecorder {
 // CheckHealth mocks base method.
 func (m *MockDaemonClient) CheckHealth(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -59,16 +53,16 @@ func (m *MockDaemonClient) CheckHealth(ctx context.Context, in *emptypb.Empty, o
 }

 // CheckHealth indicates an expected call of CheckHealth.
-func (mr *MockDaemonClientMockRecorder) CheckHealth(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) CheckHealth(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CheckHealth", reflect.TypeOf((*MockDaemonClient)(nil).CheckHealth), varargs...)
 }

 // DeleteTask mocks base method.
 func (m *MockDaemonClient) DeleteTask(ctx context.Context, in *dfdaemon.DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -79,16 +73,16 @@ func (m *MockDaemonClient) DeleteTask(ctx context.Context, in *dfdaemon.DeleteTa
 }

 // DeleteTask indicates an expected call of DeleteTask.
-func (mr *MockDaemonClientMockRecorder) DeleteTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) DeleteTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteTask", reflect.TypeOf((*MockDaemonClient)(nil).DeleteTask), varargs...)
 }

 // Download mocks base method.
 func (m *MockDaemonClient) Download(ctx context.Context, in *dfdaemon.DownRequest, opts ...grpc.CallOption) (dfdaemon.Daemon_DownloadClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -99,16 +93,16 @@ func (m *MockDaemonClient) Download(ctx context.Context, in *dfdaemon.DownReques
 }

 // Download indicates an expected call of Download.
-func (mr *MockDaemonClientMockRecorder) Download(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) Download(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Download", reflect.TypeOf((*MockDaemonClient)(nil).Download), varargs...)
 }

 // ExportTask mocks base method.
 func (m *MockDaemonClient) ExportTask(ctx context.Context, in *dfdaemon.ExportTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -119,16 +113,16 @@ func (m *MockDaemonClient) ExportTask(ctx context.Context, in *dfdaemon.ExportTa
 }

 // ExportTask indicates an expected call of ExportTask.
-func (mr *MockDaemonClientMockRecorder) ExportTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) ExportTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExportTask", reflect.TypeOf((*MockDaemonClient)(nil).ExportTask), varargs...)
 }

 // GetPieceTasks mocks base method.
 func (m *MockDaemonClient) GetPieceTasks(ctx context.Context, in *common.PieceTaskRequest, opts ...grpc.CallOption) (*common.PiecePacket, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -139,16 +133,16 @@ func (m *MockDaemonClient) GetPieceTasks(ctx context.Context, in *common.PieceTa
 }

 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockDaemonClientMockRecorder) GetPieceTasks(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) GetPieceTasks(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockDaemonClient)(nil).GetPieceTasks), varargs...)
 }

 // ImportTask mocks base method.
 func (m *MockDaemonClient) ImportTask(ctx context.Context, in *dfdaemon.ImportTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -159,56 +153,16 @@ func (m *MockDaemonClient) ImportTask(ctx context.Context, in *dfdaemon.ImportTa
 }

 // ImportTask indicates an expected call of ImportTask.
-func (mr *MockDaemonClientMockRecorder) ImportTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) ImportTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ImportTask", reflect.TypeOf((*MockDaemonClient)(nil).ImportTask), varargs...)
 }

-// LeaveHost mocks base method.
-func (m *MockDaemonClient) LeaveHost(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
-	for _, a := range opts {
-		varargs = append(varargs, a)
-	}
-	ret := m.ctrl.Call(m, "LeaveHost", varargs...)
-	ret0, _ := ret[0].(*emptypb.Empty)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// LeaveHost indicates an expected call of LeaveHost.
-func (mr *MockDaemonClientMockRecorder) LeaveHost(ctx, in any, opts ...any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockDaemonClient)(nil).LeaveHost), varargs...)
-}
-
-// PeerExchange mocks base method.
-func (m *MockDaemonClient) PeerExchange(ctx context.Context, opts ...grpc.CallOption) (dfdaemon.Daemon_PeerExchangeClient, error) {
-	m.ctrl.T.Helper()
-	varargs := []any{ctx}
-	for _, a := range opts {
-		varargs = append(varargs, a)
-	}
-	ret := m.ctrl.Call(m, "PeerExchange", varargs...)
-	ret0, _ := ret[0].(dfdaemon.Daemon_PeerExchangeClient)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// PeerExchange indicates an expected call of PeerExchange.
-func (mr *MockDaemonClientMockRecorder) PeerExchange(ctx any, opts ...any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PeerExchange", reflect.TypeOf((*MockDaemonClient)(nil).PeerExchange), varargs...)
-}
-
 // StatTask mocks base method.
 func (m *MockDaemonClient) StatTask(ctx context.Context, in *dfdaemon.StatTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -219,16 +173,16 @@ func (m *MockDaemonClient) StatTask(ctx context.Context, in *dfdaemon.StatTaskRe
 }

 // StatTask indicates an expected call of StatTask.
-func (mr *MockDaemonClientMockRecorder) StatTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) StatTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockDaemonClient)(nil).StatTask), varargs...)
 }

 // SyncPieceTasks mocks base method.
 func (m *MockDaemonClient) SyncPieceTasks(ctx context.Context, opts ...grpc.CallOption) (dfdaemon.Daemon_SyncPieceTasksClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -239,9 +193,9 @@ func (m *MockDaemonClient) SyncPieceTasks(ctx context.Context, opts ...grpc.Call
 }

 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockDaemonClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *gomock.Call {
+func (mr *MockDaemonClientMockRecorder) SyncPieceTasks(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockDaemonClient)(nil).SyncPieceTasks), varargs...)
 }

@ -249,7 +203,6 @@ func (mr *MockDaemonClientMockRecorder) SyncPieceTasks(ctx any, opts ...any) *go
 type MockDaemon_DownloadClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_DownloadClientMockRecorder
-	isgomock struct{}
 }

 // MockDaemon_DownloadClientMockRecorder is the mock recorder for MockDaemon_DownloadClient.
@ -336,7 +289,7 @@ func (m_2 *MockDaemon_DownloadClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_DownloadClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_DownloadClient)(nil).RecvMsg), m)
 }
@ -350,7 +303,7 @@ func (m_2 *MockDaemon_DownloadClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_DownloadClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_DownloadClient)(nil).SendMsg), m)
 }
@ -373,7 +326,6 @@ func (mr *MockDaemon_DownloadClientMockRecorder) Trailer() *gomock.Call {
 type MockDaemon_SyncPieceTasksClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_SyncPieceTasksClientMockRecorder
-	isgomock struct{}
 }

 // MockDaemon_SyncPieceTasksClientMockRecorder is the mock recorder for MockDaemon_SyncPieceTasksClient.
@ -460,7 +412,7 @@ func (m_2 *MockDaemon_SyncPieceTasksClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).RecvMsg), m)
 }
@ -474,7 +426,7 @@ func (m *MockDaemon_SyncPieceTasksClient) Send(arg0 *common.PieceTaskRequest) er
 }

 // Send indicates an expected call of Send.
-func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).Send), arg0)
 }
@ -488,7 +440,7 @@ func (m_2 *MockDaemon_SyncPieceTasksClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).SendMsg), m)
 }
@ -507,149 +459,10 @@ func (mr *MockDaemon_SyncPieceTasksClientMockRecorder) Trailer() *gomock.Call {
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockDaemon_SyncPieceTasksClient)(nil).Trailer))
 }

-// MockDaemon_PeerExchangeClient is a mock of Daemon_PeerExchangeClient interface.
-type MockDaemon_PeerExchangeClient struct {
-	ctrl     *gomock.Controller
-	recorder *MockDaemon_PeerExchangeClientMockRecorder
-	isgomock struct{}
-}
-
-// MockDaemon_PeerExchangeClientMockRecorder is the mock recorder for MockDaemon_PeerExchangeClient.
-type MockDaemon_PeerExchangeClientMockRecorder struct {
-	mock *MockDaemon_PeerExchangeClient
-}
-
-// NewMockDaemon_PeerExchangeClient creates a new mock instance.
-func NewMockDaemon_PeerExchangeClient(ctrl *gomock.Controller) *MockDaemon_PeerExchangeClient {
-	mock := &MockDaemon_PeerExchangeClient{ctrl: ctrl}
-	mock.recorder = &MockDaemon_PeerExchangeClientMockRecorder{mock}
-	return mock
-}
-
-// EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockDaemon_PeerExchangeClient) EXPECT() *MockDaemon_PeerExchangeClientMockRecorder {
-	return m.recorder
-}
-
-// CloseSend mocks base method.
-func (m *MockDaemon_PeerExchangeClient) CloseSend() error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "CloseSend")
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// CloseSend indicates an expected call of CloseSend.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) CloseSend() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).CloseSend))
-}
-
-// Context mocks base method.
-func (m *MockDaemon_PeerExchangeClient) Context() context.Context {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Context")
-	ret0, _ := ret[0].(context.Context)
-	return ret0
-}
-
-// Context indicates an expected call of Context.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) Context() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Context))
-}
-
-// Header mocks base method.
-func (m *MockDaemon_PeerExchangeClient) Header() (metadata.MD, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Header")
-	ret0, _ := ret[0].(metadata.MD)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Header indicates an expected call of Header.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) Header() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Header))
-}
-
-// Recv mocks base method.
-func (m *MockDaemon_PeerExchangeClient) Recv() (*dfdaemon.PeerExchangeData, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Recv")
-	ret0, _ := ret[0].(*dfdaemon.PeerExchangeData)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Recv indicates an expected call of Recv.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) Recv() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Recv))
-}
-
-// RecvMsg mocks base method.
-func (m_2 *MockDaemon_PeerExchangeClient) RecvMsg(m any) error {
-	m_2.ctrl.T.Helper()
-	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) RecvMsg(m any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).RecvMsg), m)
-}
-
-// Send mocks base method.
-func (m *MockDaemon_PeerExchangeClient) Send(arg0 *dfdaemon.PeerExchangeData) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Send", arg0)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// Send indicates an expected call of Send.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) Send(arg0 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Send), arg0)
-}
-
-// SendMsg mocks base method.
-func (m_2 *MockDaemon_PeerExchangeClient) SendMsg(m any) error {
-	m_2.ctrl.T.Helper()
-	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) SendMsg(m any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).SendMsg), m)
-}
-
-// Trailer mocks base method.
-func (m *MockDaemon_PeerExchangeClient) Trailer() metadata.MD {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Trailer")
-	ret0, _ := ret[0].(metadata.MD)
-	return ret0
-}
-
-// Trailer indicates an expected call of Trailer.
-func (mr *MockDaemon_PeerExchangeClientMockRecorder) Trailer() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockDaemon_PeerExchangeClient)(nil).Trailer))
-}
-
 // MockDaemonServer is a mock of DaemonServer interface.
 type MockDaemonServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemonServerMockRecorder
-	isgomock struct{}
 }

 // MockDaemonServerMockRecorder is the mock recorder for MockDaemonServer.
@ -679,7 +492,7 @@ func (m *MockDaemonServer) CheckHealth(arg0 context.Context, arg1 *emptypb.Empty
 }

 // CheckHealth indicates an expected call of CheckHealth.
-func (mr *MockDaemonServerMockRecorder) CheckHealth(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) CheckHealth(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CheckHealth", reflect.TypeOf((*MockDaemonServer)(nil).CheckHealth), arg0, arg1)
 }
@ -694,7 +507,7 @@ func (m *MockDaemonServer) DeleteTask(arg0 context.Context, arg1 *dfdaemon.Delet
 }

 // DeleteTask indicates an expected call of DeleteTask.
-func (mr *MockDaemonServerMockRecorder) DeleteTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) DeleteTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteTask", reflect.TypeOf((*MockDaemonServer)(nil).DeleteTask), arg0, arg1)
 }
@ -708,7 +521,7 @@ func (m *MockDaemonServer) Download(arg0 *dfdaemon.DownRequest, arg1 dfdaemon.Da
 }

 // Download indicates an expected call of Download.
-func (mr *MockDaemonServerMockRecorder) Download(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) Download(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Download", reflect.TypeOf((*MockDaemonServer)(nil).Download), arg0, arg1)
 }
@ -723,7 +536,7 @@ func (m *MockDaemonServer) ExportTask(arg0 context.Context, arg1 *dfdaemon.Expor
 }

 // ExportTask indicates an expected call of ExportTask.
-func (mr *MockDaemonServerMockRecorder) ExportTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) ExportTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ExportTask", reflect.TypeOf((*MockDaemonServer)(nil).ExportTask), arg0, arg1)
 }
@ -738,7 +551,7 @@ func (m *MockDaemonServer) GetPieceTasks(arg0 context.Context, arg1 *common.Piec
 }

 // GetPieceTasks indicates an expected call of GetPieceTasks.
-func (mr *MockDaemonServerMockRecorder) GetPieceTasks(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) GetPieceTasks(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetPieceTasks", reflect.TypeOf((*MockDaemonServer)(nil).GetPieceTasks), arg0, arg1)
 }
@ -753,40 +566,11 @@ func (m *MockDaemonServer) ImportTask(arg0 context.Context, arg1 *dfdaemon.Impor
 }

 // ImportTask indicates an expected call of ImportTask.
-func (mr *MockDaemonServerMockRecorder) ImportTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) ImportTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ImportTask", reflect.TypeOf((*MockDaemonServer)(nil).ImportTask), arg0, arg1)
 }

-// LeaveHost mocks base method.
-func (m *MockDaemonServer) LeaveHost(arg0 context.Context, arg1 *emptypb.Empty) (*emptypb.Empty, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "LeaveHost", arg0, arg1)
-	ret0, _ := ret[0].(*emptypb.Empty)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// LeaveHost indicates an expected call of LeaveHost.
-func (mr *MockDaemonServerMockRecorder) LeaveHost(arg0, arg1 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockDaemonServer)(nil).LeaveHost), arg0, arg1)
-}
-
-// PeerExchange mocks base method.
-func (m *MockDaemonServer) PeerExchange(arg0 dfdaemon.Daemon_PeerExchangeServer) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "PeerExchange", arg0)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// PeerExchange indicates an expected call of PeerExchange.
-func (mr *MockDaemonServerMockRecorder) PeerExchange(arg0 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "PeerExchange", reflect.TypeOf((*MockDaemonServer)(nil).PeerExchange), arg0)
-}
-
 // StatTask mocks base method.
 func (m *MockDaemonServer) StatTask(arg0 context.Context, arg1 *dfdaemon.StatTaskRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -797,7 +581,7 @@ func (m *MockDaemonServer) StatTask(arg0 context.Context, arg1 *dfdaemon.StatTas
 }

 // StatTask indicates an expected call of StatTask.
-func (mr *MockDaemonServerMockRecorder) StatTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) StatTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockDaemonServer)(nil).StatTask), arg0, arg1)
 }
@ -811,7 +595,7 @@ func (m *MockDaemonServer) SyncPieceTasks(arg0 dfdaemon.Daemon_SyncPieceTasksSer
 }

 // SyncPieceTasks indicates an expected call of SyncPieceTasks.
-func (mr *MockDaemonServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
+func (mr *MockDaemonServerMockRecorder) SyncPieceTasks(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncPieceTasks", reflect.TypeOf((*MockDaemonServer)(nil).SyncPieceTasks), arg0)
 }
@ -820,7 +604,6 @@ func (mr *MockDaemonServerMockRecorder) SyncPieceTasks(arg0 any) *gomock.Call {
 type MockUnsafeDaemonServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeDaemonServerMockRecorder
-	isgomock struct{}
 }

 // MockUnsafeDaemonServerMockRecorder is the mock recorder for MockUnsafeDaemonServer.
@ -856,7 +639,6 @@ func (mr *MockUnsafeDaemonServerMockRecorder) mustEmbedUnimplementedDaemonServer
 type MockDaemon_DownloadServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_DownloadServerMockRecorder
-	isgomock struct{}
 }

 // MockDaemon_DownloadServerMockRecorder is the mock recorder for MockDaemon_DownloadServer.
@ -899,7 +681,7 @@ func (m_2 *MockDaemon_DownloadServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_DownloadServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).RecvMsg), m)
 }
@ -913,7 +695,7 @@ func (m *MockDaemon_DownloadServer) Send(arg0 *dfdaemon.DownResult) error {
 }

 // Send indicates an expected call of Send.
-func (mr *MockDaemon_DownloadServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).Send), arg0)
 }
@ -927,7 +709,7 @@ func (m *MockDaemon_DownloadServer) SendHeader(arg0 metadata.MD) error {
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockDaemon_DownloadServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SendHeader), arg0)
 }
@ -941,7 +723,7 @@ func (m_2 *MockDaemon_DownloadServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_DownloadServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SendMsg), m)
 }
@ -955,7 +737,7 @@ func (m *MockDaemon_DownloadServer) SetHeader(arg0 metadata.MD) error {
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockDaemon_DownloadServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SetHeader), arg0)
 }
@ -967,7 +749,7 @@ func (m *MockDaemon_DownloadServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockDaemon_DownloadServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockDaemon_DownloadServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockDaemon_DownloadServer)(nil).SetTrailer), arg0)
 }
@ -976,7 +758,6 @@ func (mr *MockDaemon_DownloadServerMockRecorder) SetTrailer(arg0 any) *gomock.Ca
 type MockDaemon_SyncPieceTasksServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockDaemon_SyncPieceTasksServerMockRecorder
-	isgomock struct{}
 }

 // MockDaemon_SyncPieceTasksServerMockRecorder is the mock recorder for MockDaemon_SyncPieceTasksServer.
@ -1034,7 +815,7 @@ func (m_2 *MockDaemon_SyncPieceTasksServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).RecvMsg), m)
 }
@ -1048,7 +829,7 @@ func (m *MockDaemon_SyncPieceTasksServer) Send(arg0 *common.PiecePacket) error {
 }

 // Send indicates an expected call of Send.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).Send), arg0)
 }
@ -1062,7 +843,7 @@ func (m *MockDaemon_SyncPieceTasksServer) SendHeader(arg0 metadata.MD) error {
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SendHeader), arg0)
 }
@ -1076,7 +857,7 @@ func (m_2 *MockDaemon_SyncPieceTasksServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SendMsg), m)
 }
@ -1090,7 +871,7 @@ func (m *MockDaemon_SyncPieceTasksServer) SetHeader(arg0 metadata.MD) error {
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SetHeader), arg0)
 }
@ -1102,142 +883,7 @@ func (m *MockDaemon_SyncPieceTasksServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockDaemon_SyncPieceTasksServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockDaemon_SyncPieceTasksServer)(nil).SetTrailer), arg0)
 }
-
-// MockDaemon_PeerExchangeServer is a mock of Daemon_PeerExchangeServer interface.
-type MockDaemon_PeerExchangeServer struct {
-	ctrl     *gomock.Controller
-	recorder *MockDaemon_PeerExchangeServerMockRecorder
-	isgomock struct{}
-}
-
-// MockDaemon_PeerExchangeServerMockRecorder is the mock recorder for MockDaemon_PeerExchangeServer.
-type MockDaemon_PeerExchangeServerMockRecorder struct {
-	mock *MockDaemon_PeerExchangeServer
-}
-
-// NewMockDaemon_PeerExchangeServer creates a new mock instance.
-func NewMockDaemon_PeerExchangeServer(ctrl *gomock.Controller) *MockDaemon_PeerExchangeServer {
-	mock := &MockDaemon_PeerExchangeServer{ctrl: ctrl}
-	mock.recorder = &MockDaemon_PeerExchangeServerMockRecorder{mock}
-	return mock
-}
-
-// EXPECT returns an object that allows the caller to indicate expected use.
-func (m *MockDaemon_PeerExchangeServer) EXPECT() *MockDaemon_PeerExchangeServerMockRecorder {
-	return m.recorder
-}
-
-// Context mocks base method.
-func (m *MockDaemon_PeerExchangeServer) Context() context.Context {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Context")
-	ret0, _ := ret[0].(context.Context)
-	return ret0
-}
-
-// Context indicates an expected call of Context.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) Context() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).Context))
-}
-
-// Recv mocks base method.
-func (m *MockDaemon_PeerExchangeServer) Recv() (*dfdaemon.PeerExchangeData, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Recv")
-	ret0, _ := ret[0].(*dfdaemon.PeerExchangeData)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// Recv indicates an expected call of Recv.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) Recv() *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).Recv))
-}
-
-// RecvMsg mocks base method.
-func (m_2 *MockDaemon_PeerExchangeServer) RecvMsg(m any) error {
-	m_2.ctrl.T.Helper()
-	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) RecvMsg(m any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).RecvMsg), m)
-}
-
-// Send mocks base method.
-func (m *MockDaemon_PeerExchangeServer) Send(arg0 *dfdaemon.PeerExchangeData) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "Send", arg0)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// Send indicates an expected call of Send.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) Send(arg0 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).Send), arg0)
-}
-
-// SendHeader mocks base method.
-func (m *MockDaemon_PeerExchangeServer) SendHeader(arg0 metadata.MD) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "SendHeader", arg0)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// SendHeader indicates an expected call of SendHeader.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SendHeader), arg0)
-}
-
-// SendMsg mocks base method.
-func (m_2 *MockDaemon_PeerExchangeServer) SendMsg(m any) error {
-	m_2.ctrl.T.Helper()
-	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// SendMsg indicates an expected call of SendMsg.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) SendMsg(m any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SendMsg), m)
-}
-
-// SetHeader mocks base method.
-func (m *MockDaemon_PeerExchangeServer) SetHeader(arg0 metadata.MD) error {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "SetHeader", arg0)
-	ret0, _ := ret[0].(error)
-	return ret0
-}
-
-// SetHeader indicates an expected call of SetHeader.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SetHeader), arg0)
-}
-
-// SetTrailer mocks base method.
-func (m *MockDaemon_PeerExchangeServer) SetTrailer(arg0 metadata.MD) {
-	m.ctrl.T.Helper()
-	m.ctrl.Call(m, "SetTrailer", arg0)
-}
-
-// SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockDaemon_PeerExchangeServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockDaemon_PeerExchangeServer)(nil).SetTrailer), arg0)
-}
--- a/pkg/apis/dfdaemon/v2/dfdaemon.pb.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.pb.go
--- a/pkg/apis/dfdaemon/v2/dfdaemon.pb.validate.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.pb.validate.go
--- a/pkg/apis/dfdaemon/v2/dfdaemon.proto
+++ b/pkg/apis/dfdaemon/v2/dfdaemon.proto
@ -19,398 +19,114 @@ syntax = "proto3";
 package dfdaemon.v2;

 import "pkg/apis/common/v2/common.proto";
-import "google/protobuf/duration.proto";
 import "google/protobuf/empty.proto";
+import "google/protobuf/timestamp.proto";
 import "validate/validate.proto";

 option go_package = "d7y.io/api/v2/pkg/apis/dfdaemon/v2;dfdaemon";

+// InterestedAllPiecesRequest represents interested all pieces request of SyncPiecesRequest.
+message InterestedAllPiecesRequest {
+}
+
+// InterestedPiecesRequest represents interested pieces request of SyncPiecesRequest.
+message InterestedPiecesRequest {
+  // Interested piece numbers.
+  repeated uint32 piece_numbers = 1 [(validate.rules).repeated = {min_items: 1}];
+}
+
+// SyncPiecesRequest represents request of AnnouncePeer.
+message SyncPiecesRequest{
+  // Task id.
+  string task_id = 1 [(validate.rules).string.min_len = 1];
+
+  oneof request {
+    option (validate.required) = true;
+
+    InterestedAllPiecesRequest interested_all_pieces_request = 2;
+    InterestedPiecesRequest interested_pieces_request = 3;
+  }
+}
+
+// InterestedPiecesResponse represents interested pieces response of SyncPiecesResponse.
+message InterestedPiecesResponse {
+  // Interested pieces of task.
+  repeated common.v2.Piece pieces = 1 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+}
+
+// SyncPiecesResponse represents response of SyncPieces.
+message SyncPiecesResponse {
+  oneof response {
+    option (validate.required) = true;
+
+    InterestedPiecesResponse interested_pieces_response = 1;
+  }
+}
+
 // DownloadTaskRequest represents request of DownloadTask.
 message DownloadTaskRequest {
  // Download information.
  common.v2.Download download = 1 [(validate.rules).message.required = true];
 }

-// DownloadTaskStartedResponse represents task download started response of DownloadTaskResponse.
-message DownloadTaskStartedResponse {
-  // Task content length.
-  uint64 content_length = 1;
-
-  // Range is url range of request. If protocol is http, range
-  // is parsed from http header. If other protocol, range comes
-  // from download range field.
-  optional common.v2.Range range = 2;
-
-  // Task response headers.
-  map<string, string> response_header = 3;
-
-  // Need to download pieces.
-  repeated common.v2.Piece pieces = 4;
-}
-
-// DownloadPieceFinishedResponse represents piece download finished response of DownloadTaskResponse.
-message DownloadPieceFinishedResponse {
-  // Finished piece of task.
-  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
-}
-
-// DownloadTaskResponse represents response of DownloadTask.
-message DownloadTaskResponse {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-
-  oneof response {
-    option (validate.required) = true;
-
-    DownloadTaskStartedResponse download_task_started_response = 4;
-    DownloadPieceFinishedResponse download_piece_finished_response = 5;
-  }
-}
-
-// SyncPiecesRequest represents request of SyncPieces.
-message SyncPiecesRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Interested piece numbers.
-  repeated uint32 interested_piece_numbers = 3 [(validate.rules).repeated = {min_items: 1}];
-}
-
-// SyncPiecesResponse represents response of SyncPieces.
-message SyncPiecesResponse {
-  // Exist piece number.
-  uint32 number = 1;
-  // Piece offset.
-  uint64 offset = 2;
-  // Piece length.
-  uint64 length = 3;
-}
-
-// DownloadPieceRequest represents request of DownloadPiece.
-message DownloadPieceRequest{
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Piece number.
-  uint32 piece_number = 3;
-}
-
-// DownloadPieceResponse represents response of DownloadPieces.
-message DownloadPieceResponse {
-  // Piece information.
-  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
-  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
-  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
+// UploadTaskRequest represents request of UploadTask.
+message UploadTaskRequest {
+  // Task metadata.
+  common.v2.Task task = 1 [(validate.rules).message.required = true];
 }

 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Remote IP represents the IP address of the client initiating the stat request.
-  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

-// ListTaskEntriesRequest represents request of ListTaskEntries.
-message ListTaskEntriesRequest {
+// StatTaskResponse represents response of StatTask.
+message StatTaskResponse {
  // Task id.
-  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // URL to be listed the entries.
-  string url = 2;
-  // HTTP header to be sent with the request.
-  map<string, string> request_header = 3;
-  // List timeout.
-  optional google.protobuf.Duration timeout = 4;
-  // certificate_chain is the client certs with DER format for the backend client to list the entries.
-  repeated bytes certificate_chain = 5;
-  // Object storage protocol information.
-  optional common.v2.ObjectStorage object_storage = 6;
-  // HDFS protocol information.
-  optional common.v2.HDFS hdfs = 7;
-  // Remote IP represents the IP address of the client initiating the list request.
-  optional string remote_ip = 8 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
-
-// ListTaskEntriesResponse represents response of ListTaskEntries.
-message ListTaskEntriesResponse {
-  // Content length is the content length of the response
-  uint64 content_length = 1;
-  // HTTP header to be sent with the request.
-  map<string, string> response_header = 2;
-  // Backend HTTP status code.
-  optional int32 status_code = 3 [(validate.rules).int32 = {gte: 100, lt: 599, ignore_empty: true}];
-  /// Entries is the information of the entries in the directory.
-  repeated Entry entries = 4;
-}
-
-// Entry represents an entry in a directory.
-message Entry {
-  // URL of the entry.
-  string url = 1;
-  // Size of the entry.
-  uint64 content_length = 2;
-  // Is directory or not.
-  bool is_dir = 3;
+  string id = 1 [(validate.rules).string.min_len = 1];
+  // Task type.
+  common.v2.TaskType type = 2 [(validate.rules).enum.defined_only = true];
+  // Download url.
+  string url = 3 [(validate.rules).string.uri = true];
+  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
+  optional string digest = 4 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128})$", ignore_empty: true}];
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Filter url used to generate task id.
+  repeated string filters = 7;
+  // Task request headers.
+  map<string, string> header = 8;
+  // Task piece length.
+  int32 piece_length = 9 [(validate.rules).int32.gte = 1];
+  // Task create time.
+  google.protobuf.Timestamp created_at = 10 [(validate.rules).timestamp.required = true];
+  // Task update time.
+  google.protobuf.Timestamp updated_at = 11 [(validate.rules).timestamp.required = true];
 }

 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Task id.
  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Remote IP represents the IP address of the client initiating the delete request.
-  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

-// DownloadPersistentCacheTaskRequest represents request of DownloadPersistentCacheTask.
-message DownloadPersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Persistent represents whether the persistent cache task is persistent.
-  // If the persistent cache task is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection.
-  bool persistent = 2;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 3;
-  // Application of task.
-  optional string application = 4;
-  // File path to be exported. If output_path is set, the exported file will be saved to the specified path.
-  // Dfdaemon will try to create hard link to the output path before starting the export. If hard link creation fails,
-  // it will copy the file to the output path after the export is completed.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  optional string output_path = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Download timeout.
-  optional google.protobuf.Duration timeout = 6;
-  // need_piece_content is the flag to indicate whether the response needs to return piece content.
-  bool need_piece_content = 7;
-  // force_hard_link is the flag to indicate whether the exported file must be hard linked to the output path.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  bool force_hard_link = 8;
-  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
-  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
-  // Returns an error if the computed digest mismatches the expected value.
-  //
-  // Performance
-  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
-  optional string digest = 9;
-  // Remote IP represents the IP address of the client initiating the download request.
-  optional string remote_ip = 10 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
+// Dfdaemon RPC Service.
+service Dfdaemon {
+  // SyncPieces syncs pieces from the other peers.
+  rpc SyncPieces(stream SyncPiecesRequest)returns(stream SyncPiecesResponse);

-// DownloadPersistentCacheTaskStartedResponse represents task download started response of DownloadPersistentCacheTaskResponse.
-message DownloadPersistentCacheTaskStartedResponse {
-  // Task content length.
-  uint64 content_length = 1;
-}
+  // DownloadTask downloads task back-to-source.
+  rpc DownloadTask(DownloadTaskRequest) returns(google.protobuf.Empty);

-// DownloadPersistentCacheTaskResponse represents response of DownloadPersistentCacheTask.
-message DownloadPersistentCacheTaskResponse {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-
-  oneof response {
-    option (validate.required) = true;
-
-    DownloadPersistentCacheTaskStartedResponse download_persistent_cache_task_started_response = 4;
-    DownloadPieceFinishedResponse download_piece_finished_response = 5;
-  }
-}
-
-// UploadPersistentCacheTaskRequest represents request of UploadPersistentCacheTask.
-message UploadPersistentCacheTaskRequest {
-  // content_for_calculating_task_id is the content used to calculate the task id.
-  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
-  // Otherwise, calculate the task ID based on the file content, tag and application by crc32 algorithm`.
-  optional string content_for_calculating_task_id = 1;
-  // Upload file path of persistent cache task.
-  string path = 2 [(validate.rules).string = {min_len: 1}];
-  // Replica count of the persistent persistent cache task.
-  uint64 persistent_replica_count = 3 [(validate.rules).uint64 = {gte: 1, lte: 5}];
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 4;
-  // Application of the persistent cache task.
-  optional string application = 5;
-  // Piece length of the persistent cache task, the value needs to be greater than or equal to 4194304(4MiB).
-  optional uint64 piece_length = 6 [(validate.rules).uint64 = {gte: 4194304, ignore_empty: true}];
-  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 7 [(validate.rules).duration = {gte:{seconds: 60}, lte:{seconds: 604800}}];
-  // Download timeout.
-  optional google.protobuf.Duration timeout = 8;
-  // Remote IP represents the IP address of the client initiating the upload request.
-  optional string remote_ip = 9 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
-
-// UpdatePersistentCacheTaskRequest represents request of UpdatePersistentCacheTask.
-message UpdatePersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Persistent represents whether the persistent cache peer is persistent.
-  // If the persistent cache peer is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  bool persistent = 2;
-  // Remote IP represents the IP address of the client initiating the update request.
-  optional string remote_ip = 3 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
-
-// StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
-message StatPersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Remote IP represents the IP address of the client initiating the stat request.
-  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
-
-// DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
-message DeletePersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1 [(validate.rules).string.min_len = 1];
-  // Remote IP represents the IP address of the client initiating the delete request.
-  optional string remote_ip = 2 [(validate.rules).string = {ip: true, ignore_empty: true}];
-}
-
-// SyncPersistentCachePiecesRequest represents request of SyncPersistentCachePieces.
-message SyncPersistentCachePiecesRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Interested piece numbers.
-  repeated uint32 interested_piece_numbers = 3 [(validate.rules).repeated = {min_items: 1}];
-}
-
-// SyncPersistentCachePiecesResponse represents response of SyncPersistentCachePieces.
-message SyncPersistentCachePiecesResponse {
-  // Exist piece number.
-  uint32 number = 1;
-  // Piece offset.
-  uint64 offset = 2;
-  // Piece length.
-  uint64 length = 3;
-}
-
-// DownloadPersistentCachePieceRequest represents request of DownloadPersistentCachePiece.
-message DownloadPersistentCachePieceRequest{
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Piece number.
-  uint32 piece_number = 3;
-}
-
-// DownloadPersistentCachePieceResponse represents response of DownloadPersistentCachePieces.
-message DownloadPersistentCachePieceResponse {
-  // Piece information.
-  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
-  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
-  optional string digest = 2 [(validate.rules).string = {pattern: "^(md5:[a-fA-F0-9]{32}|sha1:[a-fA-F0-9]{40}|sha256:[a-fA-F0-9]{64}|sha512:[a-fA-F0-9]{128}|blake3:[a-fA-F0-9]{64}|crc32:[a-fA-F0-9]+)$", ignore_empty: true}];
-}
-
-// SyncHostRequest represents request of SyncHost.
-message SyncHostRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 2 [(validate.rules).string.min_len = 1];
-}
-
-// IBVerbsQueuePairEndpoint represents queue pair endpoint of IBVerbs.
-message IBVerbsQueuePairEndpoint {
-  // Number of the queue pair.
-  uint32 num = 1;
-  // Local identifier of the context.
-  uint32 lid = 2;
-  // Global identifier of the context.
-  bytes gid = 3 [(validate.rules).bytes.len = 16];
-}
-
-// ExchangeIBVerbsQueuePairEndpointRequest represents request of ExchangeIBVerbsQueuePairEndpoint.
-message ExchangeIBVerbsQueuePairEndpointRequest {
-  // Information of the source's queue pair endpoint of IBVerbs.
-  IBVerbsQueuePairEndpoint endpoint = 1 [(validate.rules).message.required = true];
-}
-
-// ExchangeIBVerbsQueuePairEndpointResponse represents response of ExchangeIBVerbsQueuePairEndpoint.
-message ExchangeIBVerbsQueuePairEndpointResponse {
-  // Information of the destination's queue pair endpoint of IBVerbs.
-  IBVerbsQueuePairEndpoint endpoint = 1 [(validate.rules).message.required = true];
-}
-
-// DfdaemonUpload represents dfdaemon upload service.
-service DfdaemonUpload {
-  // DownloadTask downloads task from p2p network.
-  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
+  // UploadTask uploads task to p2p network.
+  rpc UploadTask(UploadTaskRequest) returns(google.protobuf.Empty);

  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);

  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
-
-  // SyncPieces syncs piece metadatas from remote peer.
-  rpc SyncPieces(SyncPiecesRequest) returns(stream SyncPiecesResponse);
-
-  // DownloadPiece downloads piece from the remote peer.
-  rpc DownloadPiece(DownloadPieceRequest)returns(DownloadPieceResponse);
-
-  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
-  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
-
-  // UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
-  rpc UpdatePersistentCacheTask(UpdatePersistentCacheTaskRequest) returns(google.protobuf.Empty);
-
-  // StatPersistentCacheTask stats persistent cache task information.
-  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
-
-  // DeletePersistentCacheTask deletes persistent cache task from p2p network.
-  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest) returns(google.protobuf.Empty);
-
-  // SyncPersistentCachePieces syncs persistent cache pieces from remote peer.
-  rpc SyncPersistentCachePieces(SyncPersistentCachePiecesRequest) returns(stream SyncPersistentCachePiecesResponse);
-
-  // DownloadPersistentCachePiece downloads persistent cache piece from the remote peer.
-  rpc DownloadPersistentCachePiece(DownloadPersistentCachePieceRequest)returns(DownloadPersistentCachePieceResponse);
-
-  // SyncHost sync host info from parents.
-  rpc SyncHost(SyncHostRequest) returns (stream common.v2.Host);
-
-  // ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
-  rpc ExchangeIBVerbsQueuePairEndpoint(ExchangeIBVerbsQueuePairEndpointRequest) returns(ExchangeIBVerbsQueuePairEndpointResponse);
-}
-
-// DfdaemonDownload represents dfdaemon download service.
-service DfdaemonDownload {
-  // DownloadTask downloads task from p2p network.
-  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
-
-  // StatTask stats task information.
-  rpc StatTask(StatTaskRequest) returns(common.v2.Task);
-
-  // ListTaskEntries lists task entries for downloading directory.
-  rpc ListTaskEntries(ListTaskEntriesRequest) returns(ListTaskEntriesResponse);
-
-  // DeleteTask deletes task from p2p network.
-  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
-
-  // DeleteHost releases host in scheduler.
-  rpc DeleteHost(google.protobuf.Empty)returns(google.protobuf.Empty);
-
-  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
-  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
-
-  // UploadPersistentCacheTask uploads persistent cache task to p2p network.
-  rpc UploadPersistentCacheTask(UploadPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
-
-  // StatPersistentCacheTask stats persistent cache task information.
-  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
 }
--- a/pkg/apis/dfdaemon/v2/dfdaemon_grpc.pb.go
+++ b/pkg/apis/dfdaemon/v2/dfdaemon_grpc.pb.go
--- a/pkg/apis/dfdaemon/v2/mocks/dfdaemon_mock.go
+++ b/pkg/apis/dfdaemon/v2/mocks/dfdaemon_mock.go
--- a/pkg/apis/errordetails/v2/errordetails.pb.go
+++ b/pkg/apis/errordetails/v2/errordetails.pb.go
@ -1,265 +0,0 @@
-//
-//     Copyright 2024 The Dragonfly Authors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-// Code generated by protoc-gen-go. DO NOT EDIT.
-// versions:
-// 	protoc-gen-go v1.28.1
-// 	protoc        v3.21.6
-// source: pkg/apis/errordetails/v2/errordetails.proto
-
-package errordetails
-
-import (
-	_ "github.com/envoyproxy/protoc-gen-validate/validate"
-	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
-	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
-	reflect "reflect"
-	sync "sync"
-)
-
-const (
-	// Verify that this generated code is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
-	// Verify that runtime/protoimpl is sufficiently up-to-date.
-	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
-)
-
-// Backend is error detail for Backend.
-type Backend struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Backend error message.
-	Message string `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
-	// Backend HTTP response header.
-	Header map[string]string `protobuf:"bytes,2,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
-	// Backend HTTP status code.
-	StatusCode *int32 `protobuf:"varint,3,opt,name=status_code,json=statusCode,proto3,oneof" json:"status_code,omitempty"`
-}
-
-func (x *Backend) Reset() {
-	*x = Backend{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *Backend) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*Backend) ProtoMessage() {}
-
-func (x *Backend) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use Backend.ProtoReflect.Descriptor instead.
-func (*Backend) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{0}
-}
-
-func (x *Backend) GetMessage() string {
-	if x != nil {
-		return x.Message
-	}
-	return ""
-}
-
-func (x *Backend) GetHeader() map[string]string {
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-	}
-	return nil
-}
-
-func (x *Backend) GetStatusCode() int32 {
-	if x != nil && x.StatusCode != nil {
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-	}
-	return 0
-}
-
-// Unknown is error detail for Unknown.
-type Unknown struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	// Unknown error message.
-	Message *string `protobuf:"bytes,1,opt,name=message,proto3,oneof" json:"message,omitempty"`
-}
-
-func (x *Unknown) Reset() {
-	*x = Unknown{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *Unknown) String() string {
-	return protoimpl.X.MessageStringOf(x)
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-
-func (*Unknown) ProtoMessage() {}
-
-func (x *Unknown) ProtoReflect() protoreflect.Message {
-	mi := &file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use Unknown.ProtoReflect.Descriptor instead.
-func (*Unknown) Descriptor() ([]byte, []int) {
-	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP(), []int{1}
-}
-
-func (x *Unknown) GetMessage() string {
-	if x != nil && x.Message != nil {
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-
-var (
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-	file_pkg_apis_errordetails_v2_errordetails_proto_rawDescData = file_pkg_apis_errordetails_v2_errordetails_proto_rawDesc
-)
-
-func file_pkg_apis_errordetails_v2_errordetails_proto_rawDescGZIP() []byte {
-	file_pkg_apis_errordetails_v2_errordetails_proto_rawDescOnce.Do(func() {
-		file_pkg_apis_errordetails_v2_errordetails_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_apis_errordetails_v2_errordetails_proto_rawDescData)
-	})
-	return file_pkg_apis_errordetails_v2_errordetails_proto_rawDescData
-}
-
-var file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
-var file_pkg_apis_errordetails_v2_errordetails_proto_goTypes = []interface{}{
-	(*Backend)(nil), // 0: errordetails.v2.Backend
-	(*Unknown)(nil), // 1: errordetails.v2.Unknown
-	nil,             // 2: errordetails.v2.Backend.HeaderEntry
-}
-var file_pkg_apis_errordetails_v2_errordetails_proto_depIdxs = []int32{
-	2, // 0: errordetails.v2.Backend.header:type_name -> errordetails.v2.Backend.HeaderEntry
-	1, // [1:1] is the sub-list for method output_type
-	1, // [1:1] is the sub-list for method input_type
-	1, // [1:1] is the sub-list for extension type_name
-	1, // [1:1] is the sub-list for extension extendee
-	0, // [0:1] is the sub-list for field type_name
-}
-
-func init() { file_pkg_apis_errordetails_v2_errordetails_proto_init() }
-func file_pkg_apis_errordetails_v2_errordetails_proto_init() {
-	if File_pkg_apis_errordetails_v2_errordetails_proto != nil {
-		return
-	}
-	if !protoimpl.UnsafeEnabled {
-		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Backend); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*Unknown); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-	}
-	file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[0].OneofWrappers = []interface{}{}
-	file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes[1].OneofWrappers = []interface{}{}
-	type x struct{}
-	out := protoimpl.TypeBuilder{
-		File: protoimpl.DescBuilder{
-			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
-			RawDescriptor: file_pkg_apis_errordetails_v2_errordetails_proto_rawDesc,
-			NumEnums:      0,
-			NumMessages:   3,
-			NumExtensions: 0,
-			NumServices:   0,
-		},
-		GoTypes:           file_pkg_apis_errordetails_v2_errordetails_proto_goTypes,
-		DependencyIndexes: file_pkg_apis_errordetails_v2_errordetails_proto_depIdxs,
-		MessageInfos:      file_pkg_apis_errordetails_v2_errordetails_proto_msgTypes,
-	}.Build()
-	File_pkg_apis_errordetails_v2_errordetails_proto = out.File
-	file_pkg_apis_errordetails_v2_errordetails_proto_rawDesc = nil
-	file_pkg_apis_errordetails_v2_errordetails_proto_goTypes = nil
-	file_pkg_apis_errordetails_v2_errordetails_proto_depIdxs = nil
-}
--- a/pkg/apis/errordetails/v2/errordetails.pb.validate.go
+++ b/pkg/apis/errordetails/v2/errordetails.pb.validate.go
@ -1,259 +0,0 @@
-// Code generated by protoc-gen-validate. DO NOT EDIT.
-// source: pkg/apis/errordetails/v2/errordetails.proto
-
-package errordetails
-
-import (
-	"bytes"
-	"errors"
-	"fmt"
-	"net"
-	"net/mail"
-	"net/url"
-	"regexp"
-	"sort"
-	"strings"
-	"time"
-	"unicode/utf8"
-
-	"google.golang.org/protobuf/types/known/anypb"
-)
-
-// ensure the imports are used
-var (
-	_ = bytes.MinRead
-	_ = errors.New("")
-	_ = fmt.Print
-	_ = utf8.UTFMax
-	_ = (*regexp.Regexp)(nil)
-	_ = (*strings.Reader)(nil)
-	_ = net.IPv4len
-	_ = time.Duration(0)
-	_ = (*url.URL)(nil)
-	_ = (*mail.Address)(nil)
-	_ = anypb.Any{}
-	_ = sort.Sort
-)
-
-// Validate checks the field values on Backend with the rules defined in the
-// proto definition for this message. If any rules are violated, the first
-// error encountered is returned, or nil if there are no violations.
-func (m *Backend) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on Backend with the rules defined in the
-// proto definition for this message. If any rules are violated, the result is
-// a list of violation errors wrapped in BackendMultiError, or nil if none found.
-func (m *Backend) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *Backend) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	// no validation rules for Message
-
-	// no validation rules for Header
-
-	if m.StatusCode != nil {
-
-		if m.GetStatusCode() != 0 {
-
-			if val := m.GetStatusCode(); val < 100 || val >= 599 {
-				err := BackendValidationError{
-					field:  "StatusCode",
-					reason: "value must be inside range [100, 599)",
-				}
-				if !all {
-					return err
-				}
-				errors = append(errors, err)
-			}
-
-		}
-
-	}
-
-	if len(errors) > 0 {
-		return BackendMultiError(errors)
-	}
-
-	return nil
-}
-
-// BackendMultiError is an error wrapping multiple validation errors returned
-// by Backend.ValidateAll() if the designated constraints aren't met.
-type BackendMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m BackendMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m BackendMultiError) AllErrors() []error { return m }
-
-// BackendValidationError is the validation error returned by Backend.Validate
-// if the designated constraints aren't met.
-type BackendValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e BackendValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e BackendValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e BackendValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e BackendValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e BackendValidationError) ErrorName() string { return "BackendValidationError" }
-
-// Error satisfies the builtin error interface
-func (e BackendValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sBackend.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = BackendValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = BackendValidationError{}
-
-// Validate checks the field values on Unknown with the rules defined in the
-// proto definition for this message. If any rules are violated, the first
-// error encountered is returned, or nil if there are no violations.
-func (m *Unknown) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on Unknown with the rules defined in the
-// proto definition for this message. If any rules are violated, the result is
-// a list of violation errors wrapped in UnknownMultiError, or nil if none found.
-func (m *Unknown) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *Unknown) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	if m.Message != nil {
-		// no validation rules for Message
-	}
-
-	if len(errors) > 0 {
-		return UnknownMultiError(errors)
-	}
-
-	return nil
-}
-
-// UnknownMultiError is an error wrapping multiple validation errors returned
-// by Unknown.ValidateAll() if the designated constraints aren't met.
-type UnknownMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m UnknownMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m UnknownMultiError) AllErrors() []error { return m }
-
-// UnknownValidationError is the validation error returned by Unknown.Validate
-// if the designated constraints aren't met.
-type UnknownValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e UnknownValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e UnknownValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e UnknownValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e UnknownValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e UnknownValidationError) ErrorName() string { return "UnknownValidationError" }
-
-// Error satisfies the builtin error interface
-func (e UnknownValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sUnknown.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = UnknownValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = UnknownValidationError{}
--- a/pkg/apis/errordetails/v2/errordetails.proto
+++ b/pkg/apis/errordetails/v2/errordetails.proto
@ -1,39 +0,0 @@
-/*
- *     Copyright 2024 The Dragonfly Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-syntax = "proto3";
-
-package errordetails.v2;
-
-import "validate/validate.proto";
-
-option go_package = "d7y.io/api/v2/pkg/apis/errordetails/v2;errordetails";
-
-// Backend is error detail for Backend.
-message Backend {
-  // Backend error message.
-  string message = 1;
-  // Backend HTTP response header.
-  map<string, string> header = 2;
-  // Backend HTTP status code.
-  optional int32 status_code = 3 [(validate.rules).int32 = {gte: 100, lt: 599, ignore_empty: true}];
-}
-
-// Unknown is error detail for Unknown.
-message Unknown {
-  // Unknown error message.
-  optional string message = 1;
-}
--- a/pkg/apis/inference/v1/grpc_service.pb.go
+++ b/pkg/apis/inference/v1/grpc_service.pb.go
--- a/pkg/apis/inference/v1/grpc_service.pb.validate.go
+++ b/pkg/apis/inference/v1/grpc_service.pb.validate.go
--- a/pkg/apis/inference/v1/grpc_service.proto
+++ b/pkg/apis/inference/v1/grpc_service.proto
--- a/pkg/apis/inference/v1/grpc_service_grpc.pb.go
+++ b/pkg/apis/inference/v1/grpc_service_grpc.pb.go
--- a/pkg/apis/inference/v1/mocks/grpc_service_mock.go
+++ b/pkg/apis/inference/v1/mocks/grpc_service_mock.go
--- a/pkg/apis/inference/v1/mocks/mocks.go
+++ b/pkg/apis/inference/v1/mocks/mocks.go
@ -1,5 +1,5 @@
 /*
- *     Copyright 2024 The Dragonfly Authors
+ *     Copyright 2023 The Dragonfly Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
@ -14,22 +14,6 @@
 * limitations under the License.
 */

-syntax = "proto3";
+package mocks

-package errordetails.v2;
-
-// Backend is error detail for Backend.
-message Backend {
-  // Backend error message.
-  string message = 1;
-  // Backend HTTP response header.
-  map<string, string> header = 2;
-  // Backend HTTP status code.
-  optional int32 status_code = 3;
-}
-
-// Unknown is error detail for Unknown.
-message Unknown {
-  // Unknown error message.
-  optional string message = 1;
-}
+//go:generate mockgen -destination grpc_service_mock.go -source ../grpc_service_grpc.pb.go -package mocks
--- a/pkg/apis/inference/v1/model_config.pb.go
+++ b/pkg/apis/inference/v1/model_config.pb.go
--- a/pkg/apis/inference/v1/model_config.pb.validate.go
+++ b/pkg/apis/inference/v1/model_config.pb.validate.go
--- a/pkg/apis/inference/v1/model_config.proto
+++ b/pkg/apis/inference/v1/model_config.proto
--- a/pkg/apis/manager/v1/manager.pb.go
+++ b/pkg/apis/manager/v1/manager.pb.go
--- a/pkg/apis/manager/v1/manager.pb.validate.go
+++ b/pkg/apis/manager/v1/manager.pb.validate.go
@ -512,338 +512,6 @@ var _ interface {
 	ErrorName() string
 } = GetSeedPeerRequestValidationError{}

-// Validate checks the field values on ListSeedPeersRequest with the rules
-// defined in the proto definition for this message. If any rules are
-// violated, the first error encountered is returned, or nil if there are no violations.
-func (m *ListSeedPeersRequest) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on ListSeedPeersRequest with the rules
-// defined in the proto definition for this message. If any rules are
-// violated, the result is a list of violation errors wrapped in
-// ListSeedPeersRequestMultiError, or nil if none found.
-func (m *ListSeedPeersRequest) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *ListSeedPeersRequest) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	if _, ok := SourceType_name[int32(m.GetSourceType())]; !ok {
-		err := ListSeedPeersRequestValidationError{
-			field:  "SourceType",
-			reason: "value must be one of the defined enum values",
-		}
-		if !all {
-			return err
-		}
-		errors = append(errors, err)
-	}
-
-	if err := m._validateHostname(m.GetHostname()); err != nil {
-		err = ListSeedPeersRequestValidationError{
-			field:  "Hostname",
-			reason: "value must be a valid hostname",
-			cause:  err,
-		}
-		if !all {
-			return err
-		}
-		errors = append(errors, err)
-	}
-
-	if ip := net.ParseIP(m.GetIp()); ip == nil {
-		err := ListSeedPeersRequestValidationError{
-			field:  "Ip",
-			reason: "value must be a valid IP address",
-		}
-		if !all {
-			return err
-		}
-		errors = append(errors, err)
-	}
-
-	if m.GetVersion() != "" {
-
-		if l := utf8.RuneCountInString(m.GetVersion()); l < 1 || l > 1024 {
-			err := ListSeedPeersRequestValidationError{
-				field:  "Version",
-				reason: "value length must be between 1 and 1024 runes, inclusive",
-			}
-			if !all {
-				return err
-			}
-			errors = append(errors, err)
-		}
-
-	}
-
-	if m.GetCommit() != "" {
-
-		if l := utf8.RuneCountInString(m.GetCommit()); l < 1 || l > 1024 {
-			err := ListSeedPeersRequestValidationError{
-				field:  "Commit",
-				reason: "value length must be between 1 and 1024 runes, inclusive",
-			}
-			if !all {
-				return err
-			}
-			errors = append(errors, err)
-		}
-
-	}
-
-	if len(errors) > 0 {
-		return ListSeedPeersRequestMultiError(errors)
-	}
-
-	return nil
-}
-
-func (m *ListSeedPeersRequest) _validateHostname(host string) error {
-	s := strings.ToLower(strings.TrimSuffix(host, "."))
-
-	if len(host) > 253 {
-		return errors.New("hostname cannot exceed 253 characters")
-	}
-
-	for _, part := range strings.Split(s, ".") {
-		if l := len(part); l == 0 || l > 63 {
-			return errors.New("hostname part must be non-empty and cannot exceed 63 characters")
-		}
-
-		if part[0] == '-' {
-			return errors.New("hostname parts cannot begin with hyphens")
-		}
-
-		if part[len(part)-1] == '-' {
-			return errors.New("hostname parts cannot end with hyphens")
-		}
-
-		for _, r := range part {
-			if (r < 'a' || r > 'z') && (r < '0' || r > '9') && r != '-' {
-				return fmt.Errorf("hostname parts can only contain alphanumeric characters or hyphens, got %q", string(r))
-			}
-		}
-	}
-
-	return nil
-}
-
-// ListSeedPeersRequestMultiError is an error wrapping multiple validation
-// errors returned by ListSeedPeersRequest.ValidateAll() if the designated
-// constraints aren't met.
-type ListSeedPeersRequestMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m ListSeedPeersRequestMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m ListSeedPeersRequestMultiError) AllErrors() []error { return m }
-
-// ListSeedPeersRequestValidationError is the validation error returned by
-// ListSeedPeersRequest.Validate if the designated constraints aren't met.
-type ListSeedPeersRequestValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e ListSeedPeersRequestValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e ListSeedPeersRequestValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e ListSeedPeersRequestValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e ListSeedPeersRequestValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e ListSeedPeersRequestValidationError) ErrorName() string {
-	return "ListSeedPeersRequestValidationError"
-}
-
-// Error satisfies the builtin error interface
-func (e ListSeedPeersRequestValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sListSeedPeersRequest.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = ListSeedPeersRequestValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = ListSeedPeersRequestValidationError{}
-
-// Validate checks the field values on ListSeedPeersResponse with the rules
-// defined in the proto definition for this message. If any rules are
-// violated, the first error encountered is returned, or nil if there are no violations.
-func (m *ListSeedPeersResponse) Validate() error {
-	return m.validate(false)
-}
-
-// ValidateAll checks the field values on ListSeedPeersResponse with the rules
-// defined in the proto definition for this message. If any rules are
-// violated, the result is a list of violation errors wrapped in
-// ListSeedPeersResponseMultiError, or nil if none found.
-func (m *ListSeedPeersResponse) ValidateAll() error {
-	return m.validate(true)
-}
-
-func (m *ListSeedPeersResponse) validate(all bool) error {
-	if m == nil {
-		return nil
-	}
-
-	var errors []error
-
-	for idx, item := range m.GetSeedPeers() {
-		_, _ = idx, item
-
-		if all {
-			switch v := interface{}(item).(type) {
-			case interface{ ValidateAll() error }:
-				if err := v.ValidateAll(); err != nil {
-					errors = append(errors, ListSeedPeersResponseValidationError{
-						field:  fmt.Sprintf("SeedPeers[%v]", idx),
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			case interface{ Validate() error }:
-				if err := v.Validate(); err != nil {
-					errors = append(errors, ListSeedPeersResponseValidationError{
-						field:  fmt.Sprintf("SeedPeers[%v]", idx),
-						reason: "embedded message failed validation",
-						cause:  err,
-					})
-				}
-			}
-		} else if v, ok := interface{}(item).(interface{ Validate() error }); ok {
-			if err := v.Validate(); err != nil {
-				return ListSeedPeersResponseValidationError{
-					field:  fmt.Sprintf("SeedPeers[%v]", idx),
-					reason: "embedded message failed validation",
-					cause:  err,
-				}
-			}
-		}
-
-	}
-
-	if len(errors) > 0 {
-		return ListSeedPeersResponseMultiError(errors)
-	}
-
-	return nil
-}
-
-// ListSeedPeersResponseMultiError is an error wrapping multiple validation
-// errors returned by ListSeedPeersResponse.ValidateAll() if the designated
-// constraints aren't met.
-type ListSeedPeersResponseMultiError []error
-
-// Error returns a concatenation of all the error messages it wraps.
-func (m ListSeedPeersResponseMultiError) Error() string {
-	var msgs []string
-	for _, err := range m {
-		msgs = append(msgs, err.Error())
-	}
-	return strings.Join(msgs, "; ")
-}
-
-// AllErrors returns a list of validation violation errors.
-func (m ListSeedPeersResponseMultiError) AllErrors() []error { return m }
-
-// ListSeedPeersResponseValidationError is the validation error returned by
-// ListSeedPeersResponse.Validate if the designated constraints aren't met.
-type ListSeedPeersResponseValidationError struct {
-	field  string
-	reason string
-	cause  error
-	key    bool
-}
-
-// Field function returns field value.
-func (e ListSeedPeersResponseValidationError) Field() string { return e.field }
-
-// Reason function returns reason value.
-func (e ListSeedPeersResponseValidationError) Reason() string { return e.reason }
-
-// Cause function returns cause value.
-func (e ListSeedPeersResponseValidationError) Cause() error { return e.cause }
-
-// Key function returns key value.
-func (e ListSeedPeersResponseValidationError) Key() bool { return e.key }
-
-// ErrorName returns error name.
-func (e ListSeedPeersResponseValidationError) ErrorName() string {
-	return "ListSeedPeersResponseValidationError"
-}
-
-// Error satisfies the builtin error interface
-func (e ListSeedPeersResponseValidationError) Error() string {
-	cause := ""
-	if e.cause != nil {
-		cause = fmt.Sprintf(" | caused by: %v", e.cause)
-	}
-
-	key := ""
-	if e.key {
-		key = "key for "
-	}
-
-	return fmt.Sprintf(
-		"invalid %sListSeedPeersResponse.%s: %s%s",
-		key,
-		e.field,
-		e.reason,
-		cause)
-}
-
-var _ error = ListSeedPeersResponseValidationError{}
-
-var _ interface {
-	Field() string
-	Reason() string
-	Key() bool
-	Cause() error
-	ErrorName() string
-} = ListSeedPeersResponseValidationError{}
-
 // Validate checks the field values on UpdateSeedPeerRequest with the rules
 // defined in the proto definition for this message. If any rules are
 // violated, the first error encountered is returned, or nil if there are no violations.
@ -3666,6 +3334,507 @@ var _ interface {
 	ErrorName() string
 } = ListApplicationsResponseValidationError{}

+// Validate checks the field values on CreateGNNRequest with the rules defined
+// in the proto definition for this message. If any rules are violated, the
+// first error encountered is returned, or nil if there are no violations.
+func (m *CreateGNNRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CreateGNNRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// CreateGNNRequestMultiError, or nil if none found.
+func (m *CreateGNNRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CreateGNNRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetData()) < 1 {
+		err := CreateGNNRequestValidationError{
+			field:  "Data",
+			reason: "value length must be at least 1 bytes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if val := m.GetRecall(); val < 0 || val > 1 {
+		err := CreateGNNRequestValidationError{
+			field:  "Recall",
+			reason: "value must be inside range [0, 1]",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if val := m.GetPrecision(); val < 0 || val > 1 {
+		err := CreateGNNRequestValidationError{
+			field:  "Precision",
+			reason: "value must be inside range [0, 1]",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if val := m.GetF1Score(); val < 0 || val > 1 {
+		err := CreateGNNRequestValidationError{
+			field:  "F1Score",
+			reason: "value must be inside range [0, 1]",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return CreateGNNRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// CreateGNNRequestMultiError is an error wrapping multiple validation errors
+// returned by CreateGNNRequest.ValidateAll() if the designated constraints
+// aren't met.
+type CreateGNNRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CreateGNNRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CreateGNNRequestMultiError) AllErrors() []error { return m }
+
+// CreateGNNRequestValidationError is the validation error returned by
+// CreateGNNRequest.Validate if the designated constraints aren't met.
+type CreateGNNRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CreateGNNRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CreateGNNRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CreateGNNRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CreateGNNRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CreateGNNRequestValidationError) ErrorName() string { return "CreateGNNRequestValidationError" }
+
+// Error satisfies the builtin error interface
+func (e CreateGNNRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCreateGNNRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CreateGNNRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CreateGNNRequestValidationError{}
+
+// Validate checks the field values on CreateMLPRequest with the rules defined
+// in the proto definition for this message. If any rules are violated, the
+// first error encountered is returned, or nil if there are no violations.
+func (m *CreateMLPRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CreateMLPRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// CreateMLPRequestMultiError, or nil if none found.
+func (m *CreateMLPRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CreateMLPRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetData()) < 1 {
+		err := CreateMLPRequestValidationError{
+			field:  "Data",
+			reason: "value length must be at least 1 bytes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.GetMse() < 0 {
+		err := CreateMLPRequestValidationError{
+			field:  "Mse",
+			reason: "value must be greater than or equal to 0",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.GetMae() < 0 {
+		err := CreateMLPRequestValidationError{
+			field:  "Mae",
+			reason: "value must be greater than or equal to 0",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return CreateMLPRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// CreateMLPRequestMultiError is an error wrapping multiple validation errors
+// returned by CreateMLPRequest.ValidateAll() if the designated constraints
+// aren't met.
+type CreateMLPRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CreateMLPRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CreateMLPRequestMultiError) AllErrors() []error { return m }
+
+// CreateMLPRequestValidationError is the validation error returned by
+// CreateMLPRequest.Validate if the designated constraints aren't met.
+type CreateMLPRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CreateMLPRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CreateMLPRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CreateMLPRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CreateMLPRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CreateMLPRequestValidationError) ErrorName() string { return "CreateMLPRequestValidationError" }
+
+// Error satisfies the builtin error interface
+func (e CreateMLPRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCreateMLPRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CreateMLPRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CreateMLPRequestValidationError{}
+
+// Validate checks the field values on CreateModelRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the first error encountered is returned, or nil if there are no violations.
+func (m *CreateModelRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CreateModelRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// CreateModelRequestMultiError, or nil if none found.
+func (m *CreateModelRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CreateModelRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if utf8.RuneCountInString(m.GetHostname()) < 1 {
+		err := CreateModelRequestValidationError{
+			field:  "Hostname",
+			reason: "value length must be at least 1 runes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if ip := net.ParseIP(m.GetIp()); ip == nil {
+		err := CreateModelRequestValidationError{
+			field:  "Ip",
+			reason: "value must be a valid IP address",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	oneofRequestPresent := false
+	switch v := m.Request.(type) {
+	case *CreateModelRequest_CreateGnnRequest:
+		if v == nil {
+			err := CreateModelRequestValidationError{
+				field:  "Request",
+				reason: "oneof value cannot be a typed-nil",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+		oneofRequestPresent = true
+
+		if all {
+			switch v := interface{}(m.GetCreateGnnRequest()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, CreateModelRequestValidationError{
+						field:  "CreateGnnRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, CreateModelRequestValidationError{
+						field:  "CreateGnnRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetCreateGnnRequest()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return CreateModelRequestValidationError{
+					field:  "CreateGnnRequest",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	case *CreateModelRequest_CreateMlpRequest:
+		if v == nil {
+			err := CreateModelRequestValidationError{
+				field:  "Request",
+				reason: "oneof value cannot be a typed-nil",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+		oneofRequestPresent = true
+
+		if all {
+			switch v := interface{}(m.GetCreateMlpRequest()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, CreateModelRequestValidationError{
+						field:  "CreateMlpRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, CreateModelRequestValidationError{
+						field:  "CreateMlpRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetCreateMlpRequest()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return CreateModelRequestValidationError{
+					field:  "CreateMlpRequest",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	default:
+		_ = v // ensures v is used
+	}
+	if !oneofRequestPresent {
+		err := CreateModelRequestValidationError{
+			field:  "Request",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return CreateModelRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// CreateModelRequestMultiError is an error wrapping multiple validation errors
+// returned by CreateModelRequest.ValidateAll() if the designated constraints
+// aren't met.
+type CreateModelRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CreateModelRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CreateModelRequestMultiError) AllErrors() []error { return m }
+
+// CreateModelRequestValidationError is the validation error returned by
+// CreateModelRequest.Validate if the designated constraints aren't met.
+type CreateModelRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CreateModelRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CreateModelRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CreateModelRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CreateModelRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CreateModelRequestValidationError) ErrorName() string {
+	return "CreateModelRequestValidationError"
+}
+
+// Error satisfies the builtin error interface
+func (e CreateModelRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCreateModelRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CreateModelRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CreateModelRequestValidationError{}
+
 // Validate checks the field values on KeepAliveRequest with the rules defined
 // in the proto definition for this message. If any rules are violated, the
 // first error encountered is returned, or nil if there are no violations.
--- a/pkg/apis/manager/v1/manager.proto
+++ b/pkg/apis/manager/v1/manager.proto
@ -88,26 +88,6 @@ message GetSeedPeerRequest {
  string ip = 4 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

-// ListSeedPeersRequest represents request of ListSeedPeers.
-message ListSeedPeersRequest {
-  // Request source type.
-  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
-  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
-  // Source service ip.
-  string ip = 3 [(validate.rules).string.ip = true];
-  // Dfdaemon version.
-  string version = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
-  // Dfdaemon commit.
-  string commit = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
-}
-
-// ListSeedPeersResponse represents response of ListSeedPeers.
-message ListSeedPeersResponse {
-  // Seed peers to which the source service belongs.
-  repeated SeedPeer seed_peers = 1;
-}
-
 // UpdateSeedPeerRequest represents request of UpdateSeedPeer.
 message UpdateSeedPeerRequest {
  // Request source type.
@ -148,7 +128,7 @@ message SchedulerCluster {
  bytes scopes = 6;
 }

-// Scheduler represents scheduler for network.
+// SeedPeerCluster represents scheduler for network.
 message Scheduler {
  // Scheduler id.
  uint64 id = 1;
@ -333,6 +313,43 @@ message ListApplicationsResponse {
  repeated Application applications = 1;
 }

+// CreateGNNRequest represents to create GNN model request of TrainRequest.
+message CreateGNNRequest {
+  // Protocol buffer file of model.
+  bytes data = 1 [(validate.rules).bytes.min_len = 1];
+  // Recall of the model.
+  double recall = 2 [(validate.rules).double = {gte: 0, lte: 1}];
+  // Precision of the model.
+  double precision = 3 [(validate.rules).double = {gte: 0, lte: 1}];
+  // F1-Score of the model.
+  double f1_score = 4 [(validate.rules).double = {gte: 0, lte: 1}];
+}
+
+// CreateMLPRequest represents to create MLP model request of TrainRequest.
+message CreateMLPRequest {
+  // Protocol buffer file of model.
+  bytes data = 1 [(validate.rules).bytes.min_len = 1];
+  // MSE of the model.
+  double mse = 2 [(validate.rules).double = {gte: 0}];
+  // MAE of the model.
+  double mae = 3 [(validate.rules).double = {gte: 0}];
+}
+
+// CreateModelRequest represents request of CreateModel.
+message CreateModelRequest {
+  // Scheduler hostname.
+  string hostname = 1 [(validate.rules).string.min_len = 1];
+  // Scheduler ip.
+  string ip = 2 [(validate.rules).string.ip = true];
+
+  oneof request {
+    option (validate.required) = true;
+
+    CreateGNNRequest create_gnn_request = 3;
+    CreateMLPRequest create_mlp_request = 4;
+  }
+}
+
 // KeepAliveRequest represents request of KeepAlive.
 message KeepAliveRequest {
  // Request source type.
@ -350,9 +367,6 @@ service Manager {
  // Get SeedPeer and SeedPeer cluster configuration.
  rpc GetSeedPeer(GetSeedPeerRequest) returns(SeedPeer);

-  // List acitve schedulers configuration.
-  rpc ListSeedPeers(ListSeedPeersRequest)returns(ListSeedPeersResponse);
-
  // Update SeedPeer configuration.
  rpc UpdateSeedPeer(UpdateSeedPeerRequest) returns(SeedPeer);

@ -374,6 +388,9 @@ service Manager {
  // List applications configuration.
  rpc ListApplications(ListApplicationsRequest)returns(ListApplicationsResponse);

+  // Create model and update data of model to object storage.
+  rpc CreateModel(CreateModelRequest)returns(google.protobuf.Empty);
+
  // KeepAlive with manager.
  rpc KeepAlive(stream KeepAliveRequest)returns(google.protobuf.Empty);
 }
--- a/pkg/apis/manager/v1/manager_grpc.pb.go
+++ b/pkg/apis/manager/v1/manager_grpc.pb.go
@ -25,8 +25,6 @@ const _ = grpc.SupportPackageIsVersion7
 type ManagerClient interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
-	// List acitve schedulers configuration.
-	ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
 	// Get Scheduler and Scheduler cluster configuration.
@ -41,6 +39,8 @@ type ManagerClient interface {
 	ListBuckets(ctx context.Context, in *ListBucketsRequest, opts ...grpc.CallOption) (*ListBucketsResponse, error)
 	// List applications configuration.
 	ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error)
+	// Create model and update data of model to object storage.
+	CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// KeepAlive with manager.
 	KeepAlive(ctx context.Context, opts ...grpc.CallOption) (Manager_KeepAliveClient, error)
 }
@ -62,15 +62,6 @@ func (c *managerClient) GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest,
 	return out, nil
 }

-func (c *managerClient) ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error) {
-	out := new(ListSeedPeersResponse)
-	err := c.cc.Invoke(ctx, "/manager.Manager/ListSeedPeers", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *managerClient) UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error) {
 	out := new(SeedPeer)
 	err := c.cc.Invoke(ctx, "/manager.Manager/UpdateSeedPeer", in, out, opts...)
@ -134,6 +125,15 @@ func (c *managerClient) ListApplications(ctx context.Context, in *ListApplicatio
 	return out, nil
 }

+func (c *managerClient) CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/manager.Manager/CreateModel", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *managerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOption) (Manager_KeepAliveClient, error) {
 	stream, err := c.cc.NewStream(ctx, &Manager_ServiceDesc.Streams[0], "/manager.Manager/KeepAlive", opts...)
 	if err != nil {
@ -174,8 +174,6 @@ func (x *managerKeepAliveClient) CloseAndRecv() (*emptypb.Empty, error) {
 type ManagerServer interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error)
-	// List acitve schedulers configuration.
-	ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error)
 	// Get Scheduler and Scheduler cluster configuration.
@ -190,6 +188,8 @@ type ManagerServer interface {
 	ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error)
 	// List applications configuration.
 	ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error)
+	// Create model and update data of model to object storage.
+	CreateModel(context.Context, *CreateModelRequest) (*emptypb.Empty, error)
 	// KeepAlive with manager.
 	KeepAlive(Manager_KeepAliveServer) error
 }
@ -201,9 +201,6 @@ type UnimplementedManagerServer struct {
 func (UnimplementedManagerServer) GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetSeedPeer not implemented")
 }
-func (UnimplementedManagerServer) ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListSeedPeers not implemented")
-}
 func (UnimplementedManagerServer) UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateSeedPeer not implemented")
 }
@ -225,6 +222,9 @@ func (UnimplementedManagerServer) ListBuckets(context.Context, *ListBucketsReque
 func (UnimplementedManagerServer) ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListApplications not implemented")
 }
+func (UnimplementedManagerServer) CreateModel(context.Context, *CreateModelRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateModel not implemented")
+}
 func (UnimplementedManagerServer) KeepAlive(Manager_KeepAliveServer) error {
 	return status.Errorf(codes.Unimplemented, "method KeepAlive not implemented")
 }
@ -258,24 +258,6 @@ func _Manager_GetSeedPeer_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }

-func _Manager_ListSeedPeers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ListSeedPeersRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(ManagerServer).ListSeedPeers(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/manager.Manager/ListSeedPeers",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(ManagerServer).ListSeedPeers(ctx, req.(*ListSeedPeersRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _Manager_UpdateSeedPeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateSeedPeerRequest)
 	if err := dec(in); err != nil {
@ -402,6 +384,24 @@ func _Manager_ListApplications_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }

+func _Manager_CreateModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateModelRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ManagerServer).CreateModel(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/manager.Manager/CreateModel",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ManagerServer).CreateModel(ctx, req.(*CreateModelRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Manager_KeepAlive_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(ManagerServer).KeepAlive(&managerKeepAliveServer{stream})
 }
@ -439,10 +439,6 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetSeedPeer",
 			Handler:    _Manager_GetSeedPeer_Handler,
 		},
-		{
-			MethodName: "ListSeedPeers",
-			Handler:    _Manager_ListSeedPeers_Handler,
-		},
 		{
 			MethodName: "UpdateSeedPeer",
 			Handler:    _Manager_UpdateSeedPeer_Handler,
@ -471,6 +467,10 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ListApplications",
 			Handler:    _Manager_ListApplications_Handler,
 		},
+		{
+			MethodName: "CreateModel",
+			Handler:    _Manager_CreateModel_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
--- a/pkg/apis/manager/v1/mocks/manager_mock.go
+++ b/pkg/apis/manager/v1/mocks/manager_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../manager_grpc.pb.go
-//
-// Generated by this command:
-//
-//	mockgen -destination manager_mock.go -source ../manager_grpc.pb.go -package mocks
-//

 // Package mocks is a generated GoMock package.
 package mocks
@ -14,7 +9,7 @@ import (
 	reflect "reflect"

 	manager "d7y.io/api/v2/pkg/apis/manager/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -24,7 +19,6 @@ import (
 type MockManagerClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerClientMockRecorder
-	isgomock struct{}
 }

 // MockManagerClientMockRecorder is the mock recorder for MockManagerClient.
@ -44,10 +38,30 @@ func (m *MockManagerClient) EXPECT() *MockManagerClientMockRecorder {
 	return m.recorder
 }

+// CreateModel mocks base method.
+func (m *MockManagerClient) CreateModel(ctx context.Context, in *manager.CreateModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "CreateModel", varargs...)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateModel indicates an expected call of CreateModel.
+func (mr *MockManagerClientMockRecorder) CreateModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerClient)(nil).CreateModel), varargs...)
+}
+
 // GetObjectStorage mocks base method.
 func (m *MockManagerClient) GetObjectStorage(ctx context.Context, in *manager.GetObjectStorageRequest, opts ...grpc.CallOption) (*manager.ObjectStorage, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +72,16 @@ func (m *MockManagerClient) GetObjectStorage(ctx context.Context, in *manager.Ge
 }

 // GetObjectStorage indicates an expected call of GetObjectStorage.
-func (mr *MockManagerClientMockRecorder) GetObjectStorage(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetObjectStorage(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerClient)(nil).GetObjectStorage), varargs...)
 }

 // GetScheduler mocks base method.
 func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +92,16 @@ func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSch
 }

 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerClient)(nil).GetScheduler), varargs...)
 }

 // GetSeedPeer mocks base method.
 func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,16 +112,16 @@ func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeed
 }

 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).GetSeedPeer), varargs...)
 }

 // KeepAlive mocks base method.
 func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOption) (manager.Manager_KeepAliveClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -118,16 +132,16 @@ func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOpti
 }

 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerClientMockRecorder) KeepAlive(ctx any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) KeepAlive(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerClient)(nil).KeepAlive), varargs...)
 }

 // ListApplications mocks base method.
 func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.ListApplicationsRequest, opts ...grpc.CallOption) (*manager.ListApplicationsResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -138,16 +152,16 @@ func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.Li
 }

 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerClient)(nil).ListApplications), varargs...)
 }

 // ListBuckets mocks base method.
 func (m *MockManagerClient) ListBuckets(ctx context.Context, in *manager.ListBucketsRequest, opts ...grpc.CallOption) (*manager.ListBucketsResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -158,16 +172,16 @@ func (m *MockManagerClient) ListBuckets(ctx context.Context, in *manager.ListBuc
 }

 // ListBuckets indicates an expected call of ListBuckets.
-func (mr *MockManagerClientMockRecorder) ListBuckets(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListBuckets(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerClient)(nil).ListBuckets), varargs...)
 }

 // ListSchedulers mocks base method.
 func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.ListSchedulersRequest, opts ...grpc.CallOption) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -178,36 +192,16 @@ func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.List
 }

 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerClient)(nil).ListSchedulers), varargs...)
 }

-// ListSeedPeers mocks base method.
-func (m *MockManagerClient) ListSeedPeers(ctx context.Context, in *manager.ListSeedPeersRequest, opts ...grpc.CallOption) (*manager.ListSeedPeersResponse, error) {
-	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
-	for _, a := range opts {
-		varargs = append(varargs, a)
-	}
-	ret := m.ctrl.Call(m, "ListSeedPeers", varargs...)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// ListSeedPeers indicates an expected call of ListSeedPeers.
-func (mr *MockManagerClientMockRecorder) ListSeedPeers(ctx, in any, opts ...any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerClient)(nil).ListSeedPeers), varargs...)
-}
-
 // UpdateScheduler mocks base method.
 func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.UpdateSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -218,16 +212,16 @@ func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.Upd
 }

 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerClient)(nil).UpdateScheduler), varargs...)
 }

 // UpdateSeedPeer mocks base method.
 func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.UpdateSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -238,9 +232,9 @@ func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.Upda
 }

 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).UpdateSeedPeer), varargs...)
 }

@ -248,7 +242,6 @@ func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any
 type MockManager_KeepAliveClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveClientMockRecorder
-	isgomock struct{}
 }

 // MockManager_KeepAliveClientMockRecorder is the mock recorder for MockManager_KeepAliveClient.
@ -335,7 +328,7 @@ func (m_2 *MockManager_KeepAliveClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).RecvMsg), m)
 }
@ -349,7 +342,7 @@ func (m *MockManager_KeepAliveClient) Send(arg0 *manager.KeepAliveRequest) error
 }

 // Send indicates an expected call of Send.
-func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).Send), arg0)
 }
@ -363,7 +356,7 @@ func (m_2 *MockManager_KeepAliveClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).SendMsg), m)
 }
@ -386,7 +379,6 @@ func (mr *MockManager_KeepAliveClientMockRecorder) Trailer() *gomock.Call {
 type MockManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerServerMockRecorder
-	isgomock struct{}
 }

 // MockManagerServerMockRecorder is the mock recorder for MockManagerServer.
@ -406,6 +398,21 @@ func (m *MockManagerServer) EXPECT() *MockManagerServerMockRecorder {
 	return m.recorder
 }

+// CreateModel mocks base method.
+func (m *MockManagerServer) CreateModel(arg0 context.Context, arg1 *manager.CreateModelRequest) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateModel", arg0, arg1)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateModel indicates an expected call of CreateModel.
+func (mr *MockManagerServerMockRecorder) CreateModel(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerServer)(nil).CreateModel), arg0, arg1)
+}
+
 // GetObjectStorage mocks base method.
 func (m *MockManagerServer) GetObjectStorage(arg0 context.Context, arg1 *manager.GetObjectStorageRequest) (*manager.ObjectStorage, error) {
 	m.ctrl.T.Helper()
@ -416,7 +423,7 @@ func (m *MockManagerServer) GetObjectStorage(arg0 context.Context, arg1 *manager
 }

 // GetObjectStorage indicates an expected call of GetObjectStorage.
-func (mr *MockManagerServerMockRecorder) GetObjectStorage(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetObjectStorage(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerServer)(nil).GetObjectStorage), arg0, arg1)
 }
@ -431,7 +438,7 @@ func (m *MockManagerServer) GetScheduler(arg0 context.Context, arg1 *manager.Get
 }

 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerServer)(nil).GetScheduler), arg0, arg1)
 }
@ -446,7 +453,7 @@ func (m *MockManagerServer) GetSeedPeer(arg0 context.Context, arg1 *manager.GetS
 }

 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).GetSeedPeer), arg0, arg1)
 }
@ -460,7 +467,7 @@ func (m *MockManagerServer) KeepAlive(arg0 manager.Manager_KeepAliveServer) erro
 }

 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerServer)(nil).KeepAlive), arg0)
 }
@ -475,7 +482,7 @@ func (m *MockManagerServer) ListApplications(arg0 context.Context, arg1 *manager
 }

 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerServer)(nil).ListApplications), arg0, arg1)
 }
@ -490,7 +497,7 @@ func (m *MockManagerServer) ListBuckets(arg0 context.Context, arg1 *manager.List
 }

 // ListBuckets indicates an expected call of ListBuckets.
-func (mr *MockManagerServerMockRecorder) ListBuckets(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListBuckets(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerServer)(nil).ListBuckets), arg0, arg1)
 }
@ -505,26 +512,11 @@ func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.L
 }

 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerServer)(nil).ListSchedulers), arg0, arg1)
 }

-// ListSeedPeers mocks base method.
-func (m *MockManagerServer) ListSeedPeers(arg0 context.Context, arg1 *manager.ListSeedPeersRequest) (*manager.ListSeedPeersResponse, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ListSeedPeers", arg0, arg1)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// ListSeedPeers indicates an expected call of ListSeedPeers.
-func (mr *MockManagerServerMockRecorder) ListSeedPeers(arg0, arg1 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerServer)(nil).ListSeedPeers), arg0, arg1)
-}
-
 // UpdateScheduler mocks base method.
 func (m *MockManagerServer) UpdateScheduler(arg0 context.Context, arg1 *manager.UpdateSchedulerRequest) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
@ -535,7 +527,7 @@ func (m *MockManagerServer) UpdateScheduler(arg0 context.Context, arg1 *manager.
 }

 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerServer)(nil).UpdateScheduler), arg0, arg1)
 }
@ -550,7 +542,7 @@ func (m *MockManagerServer) UpdateSeedPeer(arg0 context.Context, arg1 *manager.U
 }

 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).UpdateSeedPeer), arg0, arg1)
 }
@ -559,7 +551,6 @@ func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.
 type MockUnsafeManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeManagerServerMockRecorder
-	isgomock struct{}
 }

 // MockUnsafeManagerServerMockRecorder is the mock recorder for MockUnsafeManagerServer.
@ -595,7 +586,6 @@ func (mr *MockUnsafeManagerServerMockRecorder) mustEmbedUnimplementedManagerServ
 type MockManager_KeepAliveServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveServerMockRecorder
-	isgomock struct{}
 }

 // MockManager_KeepAliveServerMockRecorder is the mock recorder for MockManager_KeepAliveServer.
@ -653,7 +643,7 @@ func (m_2 *MockManager_KeepAliveServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).RecvMsg), m)
 }
@ -667,7 +657,7 @@ func (m *MockManager_KeepAliveServer) SendAndClose(arg0 *emptypb.Empty) error {
 }

 // SendAndClose indicates an expected call of SendAndClose.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAndClose", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendAndClose), arg0)
 }
@ -681,7 +671,7 @@ func (m *MockManager_KeepAliveServer) SendHeader(arg0 metadata.MD) error {
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendHeader), arg0)
 }
@ -695,7 +685,7 @@ func (m_2 *MockManager_KeepAliveServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendMsg), m)
 }
@ -709,7 +699,7 @@ func (m *MockManager_KeepAliveServer) SetHeader(arg0 metadata.MD) error {
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetHeader), arg0)
 }
@ -721,7 +711,7 @@ func (m *MockManager_KeepAliveServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/manager/v2/manager.pb.go
+++ b/pkg/apis/manager/v2/manager.pb.go
--- a/pkg/apis/manager/v2/manager.pb.validate.go
+++ b/pkg/apis/manager/v2/manager.pb.validate.go
--- a/pkg/apis/manager/v2/manager.proto
+++ b/pkg/apis/manager/v2/manager.proto
@ -28,10 +28,8 @@ option go_package = "d7y.io/api/v2/pkg/apis/manager/v2;manager";
 enum SourceType {
  // Scheduler service.
  SCHEDULER_SOURCE = 0;
-
  // Peer service.
  PEER_SOURCE = 1;
-
  // SeedPeer service.
  SEED_PEER_SOURCE = 2;
 }
@ -74,6 +72,8 @@ message SeedPeer {
  SeedPeerCluster seed_peer_cluster = 11;
  // Schedulers included in seed peer.
  repeated Scheduler schedulers = 12;
+  // Seed peer object storage port.
+  int32 object_storage_port = 13;
 }

 // GetSeedPeerRequest represents request of GetSeedPeer.
@ -88,26 +88,6 @@ message GetSeedPeerRequest {
  string ip = 4 [(validate.rules).string = {ip: true, ignore_empty: true}];
 }

-// ListSeedPeersRequest represents request of ListSeedPeers.
-message ListSeedPeersRequest {
-  // Request source type.
-  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
-  // Source service hostname.
-  string hostname = 2 [(validate.rules).string.hostname = true];
-  // Source service ip.
-  string ip = 3 [(validate.rules).string.ip = true];
-  // Dfdaemon version.
-  string version = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
-  // Dfdaemon commit.
-  string commit = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
-}
-
-// ListSeedPeersResponse represents response of ListSeedPeers.
-message ListSeedPeersResponse {
-  // Seed peers to which the source service belongs.
-  repeated SeedPeer seed_peers = 1;
-}
-
 // UpdateSeedPeerRequest represents request of UpdateSeedPeer.
 message UpdateSeedPeerRequest {
  // Request source type.
@ -128,6 +108,8 @@ message UpdateSeedPeerRequest {
  int32 download_port = 8 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 9 [(validate.rules).uint64 = {gte: 1}];
+  // Seed peer object storage port.
+  int32 object_storage_port = 10 [(validate.rules).int32 = {gte: 1024, lt: 65535, ignore_empty: true}];
 }

 // DeleteSeedPeerRequest represents request of DeleteSeedPeer.
@ -212,10 +194,6 @@ message UpdateSchedulerRequest {
  string ip = 6 [(validate.rules).string = {ip: true}];
  // Scheduler port.
  int32 port = 7 [(validate.rules).int32 = {gte: 1024, lt: 65535}];
-  // Scheduler features.
-  repeated string features = 8;
-  // Scheduler configuration.
-  bytes config = 9;
 }

 // ListSchedulersRequest represents request of ListSchedulers.
@ -234,8 +212,6 @@ message ListSchedulersRequest {
  string version = 6 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
  // Dfdaemon commit.
  string commit = 7 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
-  // ID of the cluster to which the scheduler belongs.
-  uint64 scheduler_cluster_id = 8;
 }

 // ListSchedulersResponse represents response of ListSchedulers.
@ -244,6 +220,61 @@ message ListSchedulersResponse {
  repeated Scheduler schedulers = 1;
 }

+// ObjectStorage represents config of object storage.
+message ObjectStorage {
+  // name is object storage name of type, it can be s3, oss or obs.
+  string name = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
+  // Region is storage region.
+  string region = 2 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  // Endpoint is datacenter endpoint.
+  string endpoint = 3 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  // AccessKey is access key ID.
+  string access_key = 4 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  // SecretKey is access key secret.
+  string secret_key = 5 [(validate.rules).string = {min_len: 1, max_len: 1024, ignore_empty: true}];
+  // S3ForcePathStyle sets force path style for s3, true by default.
+  // Set this to `true` to force the request to use path-style addressing,
+  // i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client
+  // will use virtual hosted bucket addressing when possible
+  // (`http://BUCKET.s3.amazonaws.com/KEY`).
+  // Refer to https://github.com/aws/aws-sdk-go/blob/main/aws/config.go#L118.
+  bool s3_force_path_style = 6;
+  // Scheme is the scheme of the http client.
+  string scheme = 7 [(validate.rules).string = {in: ["http", "https"]}];
+}
+
+// GetObjectStorageRequest represents request of GetObjectStorage.
+message GetObjectStorageRequest {
+  // Request source type.
+  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
+  // Source service hostname.
+  string hostname = 2 [(validate.rules).string.hostname = true];
+  // Source service ip.
+  string ip = 3 [(validate.rules).string.ip = true];
+}
+
+// Bucket represents config of bucket.
+message Bucket {
+  // Bucket name.
+  string name = 1 [(validate.rules).string = {min_len: 1, max_len: 1024}];
+}
+
+// ListSchedulersRequest represents request of ListBuckets.
+message ListBucketsRequest {
+  // Request source type.
+  SourceType source_type = 1 [(validate.rules).enum.defined_only = true];
+  // Source service hostname.
+  string hostname = 2 [(validate.rules).string.hostname = true];
+  // Source service ip.
+  string ip = 3 [(validate.rules).string.ip = true];
+}
+
+// ListBucketsResponse represents response of ListBuckets.
+message ListBucketsResponse {
+  // Bucket configs.
+  repeated Bucket buckets = 1;
+}
+
 // URLPriority represents config of url priority.
 message URLPriority {
  // URL regex.
@ -290,6 +321,43 @@ message ListApplicationsResponse {
  repeated Application applications = 1;
 }

+// CreateGNNRequest represents to create GNN model request of TrainRequest.
+message CreateGNNRequest {
+  // Protocol buffer file of model.
+  bytes data = 1 [(validate.rules).bytes.min_len = 1];
+  // Recall of the model.
+  double recall = 2 [(validate.rules).double = {gte: 0, lte: 1}];
+  // Precision of the model.
+  double precision = 3 [(validate.rules).double = {gte: 0, lte: 1}];
+  // F1-Score of the model.
+  double f1_score = 4 [(validate.rules).double = {gte: 0, lte: 1}];
+}
+
+// CreateMLPRequest represents to create MLP model request of TrainRequest.
+message CreateMLPRequest {
+  // Protocol buffer file of model.
+  bytes data = 1 [(validate.rules).bytes.min_len = 1];
+  // MSE of the model.
+  double mse = 2 [(validate.rules).double = {gte: 0}];
+  // MAE of the model.
+  double mae = 3 [(validate.rules).double = {gte: 0}];
+}
+
+// CreateModelRequest represents request of CreateModel.
+message CreateModelRequest {
+  // Scheduler hostname.
+  string hostname = 1 [(validate.rules).string.min_len = 1];
+  // Scheduler ip.
+  string ip = 2 [(validate.rules).string.ip = true];
+
+  oneof request {
+    option (validate.required) = true;
+
+    CreateGNNRequest create_gnn_request = 3;
+    CreateMLPRequest create_mlp_request = 4;
+  }
+}
+
 // KeepAliveRequest represents request of KeepAlive.
 message KeepAliveRequest {
  // Request source type.
@ -307,9 +375,6 @@ service Manager {
  // Get SeedPeer and SeedPeer cluster configuration.
  rpc GetSeedPeer(GetSeedPeerRequest) returns(SeedPeer);

-  // List acitve schedulers configuration.
-  rpc ListSeedPeers(ListSeedPeersRequest)returns(ListSeedPeersResponse);
-
  // Update SeedPeer configuration.
  rpc UpdateSeedPeer(UpdateSeedPeerRequest) returns(SeedPeer);

@ -325,9 +390,18 @@ service Manager {
  // List acitve schedulers configuration.
  rpc ListSchedulers(ListSchedulersRequest)returns(ListSchedulersResponse);

+  // Get ObjectStorage configuration.
+  rpc GetObjectStorage(GetObjectStorageRequest) returns(ObjectStorage);
+
+  // List buckets configuration.
+  rpc ListBuckets(ListBucketsRequest)returns(ListBucketsResponse);
+
  // List applications configuration.
  rpc ListApplications(ListApplicationsRequest)returns(ListApplicationsResponse);

+  // Create model and update data of model to object storage.
+  rpc CreateModel(CreateModelRequest)returns(google.protobuf.Empty);
+
  // KeepAlive with manager.
  rpc KeepAlive(stream KeepAliveRequest)returns(google.protobuf.Empty);
 }
--- a/pkg/apis/manager/v2/manager_grpc.pb.go
+++ b/pkg/apis/manager/v2/manager_grpc.pb.go
@ -25,8 +25,6 @@ const _ = grpc.SupportPackageIsVersion7
 type ManagerClient interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
-	// List acitve schedulers configuration.
-	ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error)
 	// Delete SeedPeer configuration.
@ -37,8 +35,14 @@ type ManagerClient interface {
 	UpdateScheduler(ctx context.Context, in *UpdateSchedulerRequest, opts ...grpc.CallOption) (*Scheduler, error)
 	// List acitve schedulers configuration.
 	ListSchedulers(ctx context.Context, in *ListSchedulersRequest, opts ...grpc.CallOption) (*ListSchedulersResponse, error)
+	// Get ObjectStorage configuration.
+	GetObjectStorage(ctx context.Context, in *GetObjectStorageRequest, opts ...grpc.CallOption) (*ObjectStorage, error)
+	// List buckets configuration.
+	ListBuckets(ctx context.Context, in *ListBucketsRequest, opts ...grpc.CallOption) (*ListBucketsResponse, error)
 	// List applications configuration.
 	ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error)
+	// Create model and update data of model to object storage.
+	CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// KeepAlive with manager.
 	KeepAlive(ctx context.Context, opts ...grpc.CallOption) (Manager_KeepAliveClient, error)
 }
@ -60,15 +64,6 @@ func (c *managerClient) GetSeedPeer(ctx context.Context, in *GetSeedPeerRequest,
 	return out, nil
 }

-func (c *managerClient) ListSeedPeers(ctx context.Context, in *ListSeedPeersRequest, opts ...grpc.CallOption) (*ListSeedPeersResponse, error) {
-	out := new(ListSeedPeersResponse)
-	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListSeedPeers", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *managerClient) UpdateSeedPeer(ctx context.Context, in *UpdateSeedPeerRequest, opts ...grpc.CallOption) (*SeedPeer, error) {
 	out := new(SeedPeer)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/UpdateSeedPeer", in, out, opts...)
@ -114,6 +109,24 @@ func (c *managerClient) ListSchedulers(ctx context.Context, in *ListSchedulersRe
 	return out, nil
 }

+func (c *managerClient) GetObjectStorage(ctx context.Context, in *GetObjectStorageRequest, opts ...grpc.CallOption) (*ObjectStorage, error) {
+	out := new(ObjectStorage)
+	err := c.cc.Invoke(ctx, "/manager.v2.Manager/GetObjectStorage", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *managerClient) ListBuckets(ctx context.Context, in *ListBucketsRequest, opts ...grpc.CallOption) (*ListBucketsResponse, error) {
+	out := new(ListBucketsResponse)
+	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListBuckets", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *managerClient) ListApplications(ctx context.Context, in *ListApplicationsRequest, opts ...grpc.CallOption) (*ListApplicationsResponse, error) {
 	out := new(ListApplicationsResponse)
 	err := c.cc.Invoke(ctx, "/manager.v2.Manager/ListApplications", in, out, opts...)
@ -123,6 +136,15 @@ func (c *managerClient) ListApplications(ctx context.Context, in *ListApplicatio
 	return out, nil
 }

+func (c *managerClient) CreateModel(ctx context.Context, in *CreateModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	out := new(emptypb.Empty)
+	err := c.cc.Invoke(ctx, "/manager.v2.Manager/CreateModel", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *managerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOption) (Manager_KeepAliveClient, error) {
 	stream, err := c.cc.NewStream(ctx, &Manager_ServiceDesc.Streams[0], "/manager.v2.Manager/KeepAlive", opts...)
 	if err != nil {
@ -163,8 +185,6 @@ func (x *managerKeepAliveClient) CloseAndRecv() (*emptypb.Empty, error) {
 type ManagerServer interface {
 	// Get SeedPeer and SeedPeer cluster configuration.
 	GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error)
-	// List acitve schedulers configuration.
-	ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error)
 	// Update SeedPeer configuration.
 	UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error)
 	// Delete SeedPeer configuration.
@ -175,8 +195,14 @@ type ManagerServer interface {
 	UpdateScheduler(context.Context, *UpdateSchedulerRequest) (*Scheduler, error)
 	// List acitve schedulers configuration.
 	ListSchedulers(context.Context, *ListSchedulersRequest) (*ListSchedulersResponse, error)
+	// Get ObjectStorage configuration.
+	GetObjectStorage(context.Context, *GetObjectStorageRequest) (*ObjectStorage, error)
+	// List buckets configuration.
+	ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error)
 	// List applications configuration.
 	ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error)
+	// Create model and update data of model to object storage.
+	CreateModel(context.Context, *CreateModelRequest) (*emptypb.Empty, error)
 	// KeepAlive with manager.
 	KeepAlive(Manager_KeepAliveServer) error
 }
@ -188,9 +214,6 @@ type UnimplementedManagerServer struct {
 func (UnimplementedManagerServer) GetSeedPeer(context.Context, *GetSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetSeedPeer not implemented")
 }
-func (UnimplementedManagerServer) ListSeedPeers(context.Context, *ListSeedPeersRequest) (*ListSeedPeersResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListSeedPeers not implemented")
-}
 func (UnimplementedManagerServer) UpdateSeedPeer(context.Context, *UpdateSeedPeerRequest) (*SeedPeer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method UpdateSeedPeer not implemented")
 }
@ -206,9 +229,18 @@ func (UnimplementedManagerServer) UpdateScheduler(context.Context, *UpdateSchedu
 func (UnimplementedManagerServer) ListSchedulers(context.Context, *ListSchedulersRequest) (*ListSchedulersResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListSchedulers not implemented")
 }
+func (UnimplementedManagerServer) GetObjectStorage(context.Context, *GetObjectStorageRequest) (*ObjectStorage, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetObjectStorage not implemented")
+}
+func (UnimplementedManagerServer) ListBuckets(context.Context, *ListBucketsRequest) (*ListBucketsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListBuckets not implemented")
+}
 func (UnimplementedManagerServer) ListApplications(context.Context, *ListApplicationsRequest) (*ListApplicationsResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListApplications not implemented")
 }
+func (UnimplementedManagerServer) CreateModel(context.Context, *CreateModelRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateModel not implemented")
+}
 func (UnimplementedManagerServer) KeepAlive(Manager_KeepAliveServer) error {
 	return status.Errorf(codes.Unimplemented, "method KeepAlive not implemented")
 }
@ -242,24 +274,6 @@ func _Manager_GetSeedPeer_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }

-func _Manager_ListSeedPeers_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(ListSeedPeersRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(ManagerServer).ListSeedPeers(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/manager.v2.Manager/ListSeedPeers",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(ManagerServer).ListSeedPeers(ctx, req.(*ListSeedPeersRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _Manager_UpdateSeedPeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(UpdateSeedPeerRequest)
 	if err := dec(in); err != nil {
@ -350,6 +364,42 @@ func _Manager_ListSchedulers_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }

+func _Manager_GetObjectStorage_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetObjectStorageRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ManagerServer).GetObjectStorage(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/manager.v2.Manager/GetObjectStorage",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ManagerServer).GetObjectStorage(ctx, req.(*GetObjectStorageRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Manager_ListBuckets_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListBucketsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ManagerServer).ListBuckets(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/manager.v2.Manager/ListBuckets",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ManagerServer).ListBuckets(ctx, req.(*ListBucketsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Manager_ListApplications_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListApplicationsRequest)
 	if err := dec(in); err != nil {
@ -368,6 +418,24 @@ func _Manager_ListApplications_Handler(srv interface{}, ctx context.Context, dec
 	return interceptor(ctx, in, info, handler)
 }

+func _Manager_CreateModel_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateModelRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ManagerServer).CreateModel(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/manager.v2.Manager/CreateModel",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ManagerServer).CreateModel(ctx, req.(*CreateModelRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Manager_KeepAlive_Handler(srv interface{}, stream grpc.ServerStream) error {
 	return srv.(ManagerServer).KeepAlive(&managerKeepAliveServer{stream})
 }
@ -405,10 +473,6 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetSeedPeer",
 			Handler:    _Manager_GetSeedPeer_Handler,
 		},
-		{
-			MethodName: "ListSeedPeers",
-			Handler:    _Manager_ListSeedPeers_Handler,
-		},
 		{
 			MethodName: "UpdateSeedPeer",
 			Handler:    _Manager_UpdateSeedPeer_Handler,
@ -429,10 +493,22 @@ var Manager_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "ListSchedulers",
 			Handler:    _Manager_ListSchedulers_Handler,
 		},
+		{
+			MethodName: "GetObjectStorage",
+			Handler:    _Manager_GetObjectStorage_Handler,
+		},
+		{
+			MethodName: "ListBuckets",
+			Handler:    _Manager_ListBuckets_Handler,
+		},
 		{
 			MethodName: "ListApplications",
 			Handler:    _Manager_ListApplications_Handler,
 		},
+		{
+			MethodName: "CreateModel",
+			Handler:    _Manager_CreateModel_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
--- a/pkg/apis/manager/v2/mocks/manager_mock.go
+++ b/pkg/apis/manager/v2/mocks/manager_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../manager_grpc.pb.go
-//
-// Generated by this command:
-//
-//	mockgen -destination manager_mock.go -source ../manager_grpc.pb.go -package mocks
-//

 // Package mocks is a generated GoMock package.
 package mocks
@ -14,7 +9,7 @@ import (
 	reflect "reflect"

 	manager "d7y.io/api/v2/pkg/apis/manager/v2"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -24,7 +19,6 @@ import (
 type MockManagerClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerClientMockRecorder
-	isgomock struct{}
 }

 // MockManagerClientMockRecorder is the mock recorder for MockManagerClient.
@ -44,10 +38,30 @@ func (m *MockManagerClient) EXPECT() *MockManagerClientMockRecorder {
 	return m.recorder
 }

+// CreateModel mocks base method.
+func (m *MockManagerClient) CreateModel(ctx context.Context, in *manager.CreateModelRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "CreateModel", varargs...)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateModel indicates an expected call of CreateModel.
+func (mr *MockManagerClientMockRecorder) CreateModel(ctx, in interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerClient)(nil).CreateModel), varargs...)
+}
+
 // DeleteSeedPeer mocks base method.
 func (m *MockManagerClient) DeleteSeedPeer(ctx context.Context, in *manager.DeleteSeedPeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +72,36 @@ func (m *MockManagerClient) DeleteSeedPeer(ctx context.Context, in *manager.Dele
 }

 // DeleteSeedPeer indicates an expected call of DeleteSeedPeer.
-func (mr *MockManagerClientMockRecorder) DeleteSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) DeleteSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).DeleteSeedPeer), varargs...)
 }

+// GetObjectStorage mocks base method.
+func (m *MockManagerClient) GetObjectStorage(ctx context.Context, in *manager.GetObjectStorageRequest, opts ...grpc.CallOption) (*manager.ObjectStorage, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "GetObjectStorage", varargs...)
+	ret0, _ := ret[0].(*manager.ObjectStorage)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetObjectStorage indicates an expected call of GetObjectStorage.
+func (mr *MockManagerClientMockRecorder) GetObjectStorage(ctx, in interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerClient)(nil).GetObjectStorage), varargs...)
+}
+
 // GetScheduler mocks base method.
 func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +112,16 @@ func (m *MockManagerClient) GetScheduler(ctx context.Context, in *manager.GetSch
 }

 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerClient)(nil).GetScheduler), varargs...)
 }

 // GetSeedPeer mocks base method.
 func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,16 +132,16 @@ func (m *MockManagerClient) GetSeedPeer(ctx context.Context, in *manager.GetSeed
 }

 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) GetSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).GetSeedPeer), varargs...)
 }

 // KeepAlive mocks base method.
 func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOption) (manager.Manager_KeepAliveClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -118,16 +152,16 @@ func (m *MockManagerClient) KeepAlive(ctx context.Context, opts ...grpc.CallOpti
 }

 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerClientMockRecorder) KeepAlive(ctx any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) KeepAlive(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerClient)(nil).KeepAlive), varargs...)
 }

 // ListApplications mocks base method.
 func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.ListApplicationsRequest, opts ...grpc.CallOption) (*manager.ListApplicationsResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -138,16 +172,36 @@ func (m *MockManagerClient) ListApplications(ctx context.Context, in *manager.Li
 }

 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListApplications(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerClient)(nil).ListApplications), varargs...)
 }

+// ListBuckets mocks base method.
+func (m *MockManagerClient) ListBuckets(ctx context.Context, in *manager.ListBucketsRequest, opts ...grpc.CallOption) (*manager.ListBucketsResponse, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx, in}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "ListBuckets", varargs...)
+	ret0, _ := ret[0].(*manager.ListBucketsResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListBuckets indicates an expected call of ListBuckets.
+func (mr *MockManagerClientMockRecorder) ListBuckets(ctx, in interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx, in}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerClient)(nil).ListBuckets), varargs...)
+}
+
 // ListSchedulers mocks base method.
 func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.ListSchedulersRequest, opts ...grpc.CallOption) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -158,36 +212,16 @@ func (m *MockManagerClient) ListSchedulers(ctx context.Context, in *manager.List
 }

 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) ListSchedulers(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerClient)(nil).ListSchedulers), varargs...)
 }

-// ListSeedPeers mocks base method.
-func (m *MockManagerClient) ListSeedPeers(ctx context.Context, in *manager.ListSeedPeersRequest, opts ...grpc.CallOption) (*manager.ListSeedPeersResponse, error) {
-	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
-	for _, a := range opts {
-		varargs = append(varargs, a)
-	}
-	ret := m.ctrl.Call(m, "ListSeedPeers", varargs...)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// ListSeedPeers indicates an expected call of ListSeedPeers.
-func (mr *MockManagerClientMockRecorder) ListSeedPeers(ctx, in any, opts ...any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerClient)(nil).ListSeedPeers), varargs...)
-}
-
 // UpdateScheduler mocks base method.
 func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.UpdateSchedulerRequest, opts ...grpc.CallOption) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -198,16 +232,16 @@ func (m *MockManagerClient) UpdateScheduler(ctx context.Context, in *manager.Upd
 }

 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateScheduler(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerClient)(nil).UpdateScheduler), varargs...)
 }

 // UpdateSeedPeer mocks base method.
 func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.UpdateSeedPeerRequest, opts ...grpc.CallOption) (*manager.SeedPeer, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -218,9 +252,9 @@ func (m *MockManagerClient) UpdateSeedPeer(ctx context.Context, in *manager.Upda
 }

 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerClient)(nil).UpdateSeedPeer), varargs...)
 }

@ -228,7 +262,6 @@ func (mr *MockManagerClientMockRecorder) UpdateSeedPeer(ctx, in any, opts ...any
 type MockManager_KeepAliveClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveClientMockRecorder
-	isgomock struct{}
 }

 // MockManager_KeepAliveClientMockRecorder is the mock recorder for MockManager_KeepAliveClient.
@ -315,7 +348,7 @@ func (m_2 *MockManager_KeepAliveClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).RecvMsg), m)
 }
@ -329,7 +362,7 @@ func (m *MockManager_KeepAliveClient) Send(arg0 *manager.KeepAliveRequest) error
 }

 // Send indicates an expected call of Send.
-func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).Send), arg0)
 }
@ -343,7 +376,7 @@ func (m_2 *MockManager_KeepAliveClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveClient)(nil).SendMsg), m)
 }
@ -366,7 +399,6 @@ func (mr *MockManager_KeepAliveClientMockRecorder) Trailer() *gomock.Call {
 type MockManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManagerServerMockRecorder
-	isgomock struct{}
 }

 // MockManagerServerMockRecorder is the mock recorder for MockManagerServer.
@ -386,6 +418,21 @@ func (m *MockManagerServer) EXPECT() *MockManagerServerMockRecorder {
 	return m.recorder
 }

+// CreateModel mocks base method.
+func (m *MockManagerServer) CreateModel(arg0 context.Context, arg1 *manager.CreateModelRequest) (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CreateModel", arg0, arg1)
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CreateModel indicates an expected call of CreateModel.
+func (mr *MockManagerServerMockRecorder) CreateModel(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CreateModel", reflect.TypeOf((*MockManagerServer)(nil).CreateModel), arg0, arg1)
+}
+
 // DeleteSeedPeer mocks base method.
 func (m *MockManagerServer) DeleteSeedPeer(arg0 context.Context, arg1 *manager.DeleteSeedPeerRequest) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
@ -396,11 +443,26 @@ func (m *MockManagerServer) DeleteSeedPeer(arg0 context.Context, arg1 *manager.D
 }

 // DeleteSeedPeer indicates an expected call of DeleteSeedPeer.
-func (mr *MockManagerServerMockRecorder) DeleteSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) DeleteSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "DeleteSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).DeleteSeedPeer), arg0, arg1)
 }

+// GetObjectStorage mocks base method.
+func (m *MockManagerServer) GetObjectStorage(arg0 context.Context, arg1 *manager.GetObjectStorageRequest) (*manager.ObjectStorage, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetObjectStorage", arg0, arg1)
+	ret0, _ := ret[0].(*manager.ObjectStorage)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetObjectStorage indicates an expected call of GetObjectStorage.
+func (mr *MockManagerServerMockRecorder) GetObjectStorage(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetObjectStorage", reflect.TypeOf((*MockManagerServer)(nil).GetObjectStorage), arg0, arg1)
+}
+
 // GetScheduler mocks base method.
 func (m *MockManagerServer) GetScheduler(arg0 context.Context, arg1 *manager.GetSchedulerRequest) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
@ -411,7 +473,7 @@ func (m *MockManagerServer) GetScheduler(arg0 context.Context, arg1 *manager.Get
 }

 // GetScheduler indicates an expected call of GetScheduler.
-func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetScheduler", reflect.TypeOf((*MockManagerServer)(nil).GetScheduler), arg0, arg1)
 }
@ -426,7 +488,7 @@ func (m *MockManagerServer) GetSeedPeer(arg0 context.Context, arg1 *manager.GetS
 }

 // GetSeedPeer indicates an expected call of GetSeedPeer.
-func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) GetSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).GetSeedPeer), arg0, arg1)
 }
@ -440,7 +502,7 @@ func (m *MockManagerServer) KeepAlive(arg0 manager.Manager_KeepAliveServer) erro
 }

 // KeepAlive indicates an expected call of KeepAlive.
-func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) KeepAlive(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "KeepAlive", reflect.TypeOf((*MockManagerServer)(nil).KeepAlive), arg0)
 }
@ -455,11 +517,26 @@ func (m *MockManagerServer) ListApplications(arg0 context.Context, arg1 *manager
 }

 // ListApplications indicates an expected call of ListApplications.
-func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListApplications(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListApplications", reflect.TypeOf((*MockManagerServer)(nil).ListApplications), arg0, arg1)
 }

+// ListBuckets mocks base method.
+func (m *MockManagerServer) ListBuckets(arg0 context.Context, arg1 *manager.ListBucketsRequest) (*manager.ListBucketsResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "ListBuckets", arg0, arg1)
+	ret0, _ := ret[0].(*manager.ListBucketsResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// ListBuckets indicates an expected call of ListBuckets.
+func (mr *MockManagerServerMockRecorder) ListBuckets(arg0, arg1 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListBuckets", reflect.TypeOf((*MockManagerServer)(nil).ListBuckets), arg0, arg1)
+}
+
 // ListSchedulers mocks base method.
 func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.ListSchedulersRequest) (*manager.ListSchedulersResponse, error) {
 	m.ctrl.T.Helper()
@ -470,26 +547,11 @@ func (m *MockManagerServer) ListSchedulers(arg0 context.Context, arg1 *manager.L
 }

 // ListSchedulers indicates an expected call of ListSchedulers.
-func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) ListSchedulers(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSchedulers", reflect.TypeOf((*MockManagerServer)(nil).ListSchedulers), arg0, arg1)
 }

-// ListSeedPeers mocks base method.
-func (m *MockManagerServer) ListSeedPeers(arg0 context.Context, arg1 *manager.ListSeedPeersRequest) (*manager.ListSeedPeersResponse, error) {
-	m.ctrl.T.Helper()
-	ret := m.ctrl.Call(m, "ListSeedPeers", arg0, arg1)
-	ret0, _ := ret[0].(*manager.ListSeedPeersResponse)
-	ret1, _ := ret[1].(error)
-	return ret0, ret1
-}
-
-// ListSeedPeers indicates an expected call of ListSeedPeers.
-func (mr *MockManagerServerMockRecorder) ListSeedPeers(arg0, arg1 any) *gomock.Call {
-	mr.mock.ctrl.T.Helper()
-	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ListSeedPeers", reflect.TypeOf((*MockManagerServer)(nil).ListSeedPeers), arg0, arg1)
-}
-
 // UpdateScheduler mocks base method.
 func (m *MockManagerServer) UpdateScheduler(arg0 context.Context, arg1 *manager.UpdateSchedulerRequest) (*manager.Scheduler, error) {
 	m.ctrl.T.Helper()
@ -500,7 +562,7 @@ func (m *MockManagerServer) UpdateScheduler(arg0 context.Context, arg1 *manager.
 }

 // UpdateScheduler indicates an expected call of UpdateScheduler.
-func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateScheduler(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateScheduler", reflect.TypeOf((*MockManagerServer)(nil).UpdateScheduler), arg0, arg1)
 }
@ -515,7 +577,7 @@ func (m *MockManagerServer) UpdateSeedPeer(arg0 context.Context, arg1 *manager.U
 }

 // UpdateSeedPeer indicates an expected call of UpdateSeedPeer.
-func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.Call {
+func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "UpdateSeedPeer", reflect.TypeOf((*MockManagerServer)(nil).UpdateSeedPeer), arg0, arg1)
 }
@ -524,7 +586,6 @@ func (mr *MockManagerServerMockRecorder) UpdateSeedPeer(arg0, arg1 any) *gomock.
 type MockUnsafeManagerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeManagerServerMockRecorder
-	isgomock struct{}
 }

 // MockUnsafeManagerServerMockRecorder is the mock recorder for MockUnsafeManagerServer.
@ -560,7 +621,6 @@ func (mr *MockUnsafeManagerServerMockRecorder) mustEmbedUnimplementedManagerServ
 type MockManager_KeepAliveServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockManager_KeepAliveServerMockRecorder
-	isgomock struct{}
 }

 // MockManager_KeepAliveServerMockRecorder is the mock recorder for MockManager_KeepAliveServer.
@ -618,7 +678,7 @@ func (m_2 *MockManager_KeepAliveServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).RecvMsg), m)
 }
@ -632,7 +692,7 @@ func (m *MockManager_KeepAliveServer) SendAndClose(arg0 *emptypb.Empty) error {
 }

 // SendAndClose indicates an expected call of SendAndClose.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendAndClose(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAndClose", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendAndClose), arg0)
 }
@ -646,7 +706,7 @@ func (m *MockManager_KeepAliveServer) SendHeader(arg0 metadata.MD) error {
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendHeader), arg0)
 }
@ -660,7 +720,7 @@ func (m_2 *MockManager_KeepAliveServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SendMsg), m)
 }
@ -674,7 +734,7 @@ func (m *MockManager_KeepAliveServer) SetHeader(arg0 metadata.MD) error {
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetHeader), arg0)
 }
@ -686,7 +746,7 @@ func (m *MockManager_KeepAliveServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockManager_KeepAliveServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockManager_KeepAliveServer)(nil).SetTrailer), arg0)
 }
--- a/pkg/apis/scheduler/v1/mocks/scheduler_mock.go
+++ b/pkg/apis/scheduler/v1/mocks/scheduler_mock.go
@ -1,10 +1,5 @@
 // Code generated by MockGen. DO NOT EDIT.
 // Source: ../scheduler_grpc.pb.go
-//
-// Generated by this command:
-//
-//	mockgen -destination scheduler_mock.go -source ../scheduler_grpc.pb.go -package mocks
-//

 // Package mocks is a generated GoMock package.
 package mocks
@ -14,7 +9,7 @@ import (
 	reflect "reflect"

 	scheduler "d7y.io/api/v2/pkg/apis/scheduler/v1"
-	gomock "go.uber.org/mock/gomock"
+	gomock "github.com/golang/mock/gomock"
 	grpc "google.golang.org/grpc"
 	metadata "google.golang.org/grpc/metadata"
 	emptypb "google.golang.org/protobuf/types/known/emptypb"
@ -24,7 +19,6 @@ import (
 type MockSchedulerClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockSchedulerClientMockRecorder
-	isgomock struct{}
 }

 // MockSchedulerClientMockRecorder is the mock recorder for MockSchedulerClient.
@ -47,7 +41,7 @@ func (m *MockSchedulerClient) EXPECT() *MockSchedulerClientMockRecorder {
 // AnnounceHost mocks base method.
 func (m *MockSchedulerClient) AnnounceHost(ctx context.Context, in *scheduler.AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -58,16 +52,16 @@ func (m *MockSchedulerClient) AnnounceHost(ctx context.Context, in *scheduler.An
 }

 // AnnounceHost indicates an expected call of AnnounceHost.
-func (mr *MockSchedulerClientMockRecorder) AnnounceHost(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) AnnounceHost(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceHost", reflect.TypeOf((*MockSchedulerClient)(nil).AnnounceHost), varargs...)
 }

 // AnnounceTask mocks base method.
 func (m *MockSchedulerClient) AnnounceTask(ctx context.Context, in *scheduler.AnnounceTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -78,16 +72,16 @@ func (m *MockSchedulerClient) AnnounceTask(ctx context.Context, in *scheduler.An
 }

 // AnnounceTask indicates an expected call of AnnounceTask.
-func (mr *MockSchedulerClientMockRecorder) AnnounceTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) AnnounceTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceTask", reflect.TypeOf((*MockSchedulerClient)(nil).AnnounceTask), varargs...)
 }

 // LeaveHost mocks base method.
 func (m *MockSchedulerClient) LeaveHost(ctx context.Context, in *scheduler.LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -98,16 +92,16 @@ func (m *MockSchedulerClient) LeaveHost(ctx context.Context, in *scheduler.Leave
 }

 // LeaveHost indicates an expected call of LeaveHost.
-func (mr *MockSchedulerClientMockRecorder) LeaveHost(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) LeaveHost(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockSchedulerClient)(nil).LeaveHost), varargs...)
 }

 // LeaveTask mocks base method.
 func (m *MockSchedulerClient) LeaveTask(ctx context.Context, in *scheduler.PeerTarget, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -118,16 +112,16 @@ func (m *MockSchedulerClient) LeaveTask(ctx context.Context, in *scheduler.PeerT
 }

 // LeaveTask indicates an expected call of LeaveTask.
-func (mr *MockSchedulerClientMockRecorder) LeaveTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) LeaveTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveTask", reflect.TypeOf((*MockSchedulerClient)(nil).LeaveTask), varargs...)
 }

 // RegisterPeerTask mocks base method.
 func (m *MockSchedulerClient) RegisterPeerTask(ctx context.Context, in *scheduler.PeerTaskRequest, opts ...grpc.CallOption) (*scheduler.RegisterResult, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -138,16 +132,16 @@ func (m *MockSchedulerClient) RegisterPeerTask(ctx context.Context, in *schedule
 }

 // RegisterPeerTask indicates an expected call of RegisterPeerTask.
-func (mr *MockSchedulerClientMockRecorder) RegisterPeerTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) RegisterPeerTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RegisterPeerTask", reflect.TypeOf((*MockSchedulerClient)(nil).RegisterPeerTask), varargs...)
 }

 // ReportPeerResult mocks base method.
 func (m *MockSchedulerClient) ReportPeerResult(ctx context.Context, in *scheduler.PeerResult, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -158,16 +152,16 @@ func (m *MockSchedulerClient) ReportPeerResult(ctx context.Context, in *schedule
 }

 // ReportPeerResult indicates an expected call of ReportPeerResult.
-func (mr *MockSchedulerClientMockRecorder) ReportPeerResult(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) ReportPeerResult(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPeerResult", reflect.TypeOf((*MockSchedulerClient)(nil).ReportPeerResult), varargs...)
 }

 // ReportPieceResult mocks base method.
 func (m *MockSchedulerClient) ReportPieceResult(ctx context.Context, opts ...grpc.CallOption) (scheduler.Scheduler_ReportPieceResultClient, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx}
+	varargs := []interface{}{ctx}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -178,16 +172,16 @@ func (m *MockSchedulerClient) ReportPieceResult(ctx context.Context, opts ...grp
 }

 // ReportPieceResult indicates an expected call of ReportPieceResult.
-func (mr *MockSchedulerClientMockRecorder) ReportPieceResult(ctx any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) ReportPieceResult(ctx interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx}, opts...)
+	varargs := append([]interface{}{ctx}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPieceResult", reflect.TypeOf((*MockSchedulerClient)(nil).ReportPieceResult), varargs...)
 }

 // StatTask mocks base method.
 func (m *MockSchedulerClient) StatTask(ctx context.Context, in *scheduler.StatTaskRequest, opts ...grpc.CallOption) (*scheduler.Task, error) {
 	m.ctrl.T.Helper()
-	varargs := []any{ctx, in}
+	varargs := []interface{}{ctx, in}
 	for _, a := range opts {
 		varargs = append(varargs, a)
 	}
@ -198,17 +192,36 @@ func (m *MockSchedulerClient) StatTask(ctx context.Context, in *scheduler.StatTa
 }

 // StatTask indicates an expected call of StatTask.
-func (mr *MockSchedulerClientMockRecorder) StatTask(ctx, in any, opts ...any) *gomock.Call {
+func (mr *MockSchedulerClientMockRecorder) StatTask(ctx, in interface{}, opts ...interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
-	varargs := append([]any{ctx, in}, opts...)
+	varargs := append([]interface{}{ctx, in}, opts...)
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockSchedulerClient)(nil).StatTask), varargs...)
 }

+// SyncProbes mocks base method.
+func (m *MockSchedulerClient) SyncProbes(ctx context.Context, opts ...grpc.CallOption) (scheduler.Scheduler_SyncProbesClient, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "SyncProbes", varargs...)
+	ret0, _ := ret[0].(scheduler.Scheduler_SyncProbesClient)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// SyncProbes indicates an expected call of SyncProbes.
+func (mr *MockSchedulerClientMockRecorder) SyncProbes(ctx interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncProbes", reflect.TypeOf((*MockSchedulerClient)(nil).SyncProbes), varargs...)
+}
+
 // MockScheduler_ReportPieceResultClient is a mock of Scheduler_ReportPieceResultClient interface.
 type MockScheduler_ReportPieceResultClient struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_ReportPieceResultClientMockRecorder
-	isgomock struct{}
 }

 // MockScheduler_ReportPieceResultClientMockRecorder is the mock recorder for MockScheduler_ReportPieceResultClient.
@ -295,7 +308,7 @@ func (m_2 *MockScheduler_ReportPieceResultClient) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockScheduler_ReportPieceResultClientMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).RecvMsg), m)
 }
@ -309,7 +322,7 @@ func (m *MockScheduler_ReportPieceResultClient) Send(arg0 *scheduler.PieceResult
 }

 // Send indicates an expected call of Send.
-func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).Send), arg0)
 }
@ -323,7 +336,7 @@ func (m_2 *MockScheduler_ReportPieceResultClient) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockScheduler_ReportPieceResultClientMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).SendMsg), m)
 }
@ -342,11 +355,147 @@ func (mr *MockScheduler_ReportPieceResultClientMockRecorder) Trailer() *gomock.C
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_ReportPieceResultClient)(nil).Trailer))
 }

+// MockScheduler_SyncProbesClient is a mock of Scheduler_SyncProbesClient interface.
+type MockScheduler_SyncProbesClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockScheduler_SyncProbesClientMockRecorder
+}
+
+// MockScheduler_SyncProbesClientMockRecorder is the mock recorder for MockScheduler_SyncProbesClient.
+type MockScheduler_SyncProbesClientMockRecorder struct {
+	mock *MockScheduler_SyncProbesClient
+}
+
+// NewMockScheduler_SyncProbesClient creates a new mock instance.
+func NewMockScheduler_SyncProbesClient(ctrl *gomock.Controller) *MockScheduler_SyncProbesClient {
+	mock := &MockScheduler_SyncProbesClient{ctrl: ctrl}
+	mock.recorder = &MockScheduler_SyncProbesClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockScheduler_SyncProbesClient) EXPECT() *MockScheduler_SyncProbesClientMockRecorder {
+	return m.recorder
+}
+
+// CloseSend mocks base method.
+func (m *MockScheduler_SyncProbesClient) CloseSend() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CloseSend")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CloseSend indicates an expected call of CloseSend.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) CloseSend() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).CloseSend))
+}
+
+// Context mocks base method.
+func (m *MockScheduler_SyncProbesClient) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Context))
+}
+
+// Header mocks base method.
+func (m *MockScheduler_SyncProbesClient) Header() (metadata.MD, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Header")
+	ret0, _ := ret[0].(metadata.MD)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Header indicates an expected call of Header.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) Header() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Header))
+}
+
+// Recv mocks base method.
+func (m *MockScheduler_SyncProbesClient) Recv() (*scheduler.SyncProbesResponse, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*scheduler.SyncProbesResponse)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockScheduler_SyncProbesClient) RecvMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockScheduler_SyncProbesClient) Send(arg0 *scheduler.SyncProbesRequest) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Send), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockScheduler_SyncProbesClient) SendMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).SendMsg), m)
+}
+
+// Trailer mocks base method.
+func (m *MockScheduler_SyncProbesClient) Trailer() metadata.MD {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Trailer")
+	ret0, _ := ret[0].(metadata.MD)
+	return ret0
+}
+
+// Trailer indicates an expected call of Trailer.
+func (mr *MockScheduler_SyncProbesClientMockRecorder) Trailer() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockScheduler_SyncProbesClient)(nil).Trailer))
+}
+
 // MockSchedulerServer is a mock of SchedulerServer interface.
 type MockSchedulerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockSchedulerServerMockRecorder
-	isgomock struct{}
 }

 // MockSchedulerServerMockRecorder is the mock recorder for MockSchedulerServer.
@ -376,7 +525,7 @@ func (m *MockSchedulerServer) AnnounceHost(arg0 context.Context, arg1 *scheduler
 }

 // AnnounceHost indicates an expected call of AnnounceHost.
-func (mr *MockSchedulerServerMockRecorder) AnnounceHost(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) AnnounceHost(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceHost", reflect.TypeOf((*MockSchedulerServer)(nil).AnnounceHost), arg0, arg1)
 }
@ -391,7 +540,7 @@ func (m *MockSchedulerServer) AnnounceTask(arg0 context.Context, arg1 *scheduler
 }

 // AnnounceTask indicates an expected call of AnnounceTask.
-func (mr *MockSchedulerServerMockRecorder) AnnounceTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) AnnounceTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "AnnounceTask", reflect.TypeOf((*MockSchedulerServer)(nil).AnnounceTask), arg0, arg1)
 }
@ -406,7 +555,7 @@ func (m *MockSchedulerServer) LeaveHost(arg0 context.Context, arg1 *scheduler.Le
 }

 // LeaveHost indicates an expected call of LeaveHost.
-func (mr *MockSchedulerServerMockRecorder) LeaveHost(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) LeaveHost(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveHost", reflect.TypeOf((*MockSchedulerServer)(nil).LeaveHost), arg0, arg1)
 }
@ -421,7 +570,7 @@ func (m *MockSchedulerServer) LeaveTask(arg0 context.Context, arg1 *scheduler.Pe
 }

 // LeaveTask indicates an expected call of LeaveTask.
-func (mr *MockSchedulerServerMockRecorder) LeaveTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) LeaveTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "LeaveTask", reflect.TypeOf((*MockSchedulerServer)(nil).LeaveTask), arg0, arg1)
 }
@ -436,7 +585,7 @@ func (m *MockSchedulerServer) RegisterPeerTask(arg0 context.Context, arg1 *sched
 }

 // RegisterPeerTask indicates an expected call of RegisterPeerTask.
-func (mr *MockSchedulerServerMockRecorder) RegisterPeerTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) RegisterPeerTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RegisterPeerTask", reflect.TypeOf((*MockSchedulerServer)(nil).RegisterPeerTask), arg0, arg1)
 }
@ -451,7 +600,7 @@ func (m *MockSchedulerServer) ReportPeerResult(arg0 context.Context, arg1 *sched
 }

 // ReportPeerResult indicates an expected call of ReportPeerResult.
-func (mr *MockSchedulerServerMockRecorder) ReportPeerResult(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) ReportPeerResult(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPeerResult", reflect.TypeOf((*MockSchedulerServer)(nil).ReportPeerResult), arg0, arg1)
 }
@ -465,7 +614,7 @@ func (m *MockSchedulerServer) ReportPieceResult(arg0 scheduler.Scheduler_ReportP
 }

 // ReportPieceResult indicates an expected call of ReportPieceResult.
-func (mr *MockSchedulerServerMockRecorder) ReportPieceResult(arg0 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) ReportPieceResult(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "ReportPieceResult", reflect.TypeOf((*MockSchedulerServer)(nil).ReportPieceResult), arg0)
 }
@ -480,16 +629,29 @@ func (m *MockSchedulerServer) StatTask(arg0 context.Context, arg1 *scheduler.Sta
 }

 // StatTask indicates an expected call of StatTask.
-func (mr *MockSchedulerServerMockRecorder) StatTask(arg0, arg1 any) *gomock.Call {
+func (mr *MockSchedulerServerMockRecorder) StatTask(arg0, arg1 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "StatTask", reflect.TypeOf((*MockSchedulerServer)(nil).StatTask), arg0, arg1)
 }

+// SyncProbes mocks base method.
+func (m *MockSchedulerServer) SyncProbes(arg0 scheduler.Scheduler_SyncProbesServer) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SyncProbes", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SyncProbes indicates an expected call of SyncProbes.
+func (mr *MockSchedulerServerMockRecorder) SyncProbes(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SyncProbes", reflect.TypeOf((*MockSchedulerServer)(nil).SyncProbes), arg0)
+}
+
 // MockUnsafeSchedulerServer is a mock of UnsafeSchedulerServer interface.
 type MockUnsafeSchedulerServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockUnsafeSchedulerServerMockRecorder
-	isgomock struct{}
 }

 // MockUnsafeSchedulerServerMockRecorder is the mock recorder for MockUnsafeSchedulerServer.
@ -525,7 +687,6 @@ func (mr *MockUnsafeSchedulerServerMockRecorder) mustEmbedUnimplementedScheduler
 type MockScheduler_ReportPieceResultServer struct {
 	ctrl     *gomock.Controller
 	recorder *MockScheduler_ReportPieceResultServerMockRecorder
-	isgomock struct{}
 }

 // MockScheduler_ReportPieceResultServerMockRecorder is the mock recorder for MockScheduler_ReportPieceResultServer.
@ -583,7 +744,7 @@ func (m_2 *MockScheduler_ReportPieceResultServer) RecvMsg(m any) error {
 }

 // RecvMsg indicates an expected call of RecvMsg.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) RecvMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).RecvMsg), m)
 }
@ -597,7 +758,7 @@ func (m *MockScheduler_ReportPieceResultServer) Send(arg0 *scheduler.PeerPacket)
 }

 // Send indicates an expected call of Send.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) Send(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).Send), arg0)
 }
@ -611,7 +772,7 @@ func (m *MockScheduler_ReportPieceResultServer) SendHeader(arg0 metadata.MD) err
 }

 // SendHeader indicates an expected call of SendHeader.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendHeader(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SendHeader), arg0)
 }
@ -625,7 +786,7 @@ func (m_2 *MockScheduler_ReportPieceResultServer) SendMsg(m any) error {
 }

 // SendMsg indicates an expected call of SendMsg.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendMsg(m any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SendMsg), m)
 }
@ -639,7 +800,7 @@ func (m *MockScheduler_ReportPieceResultServer) SetHeader(arg0 metadata.MD) erro
 }

 // SetHeader indicates an expected call of SetHeader.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetHeader(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SetHeader), arg0)
 }
@ -651,7 +812,141 @@ func (m *MockScheduler_ReportPieceResultServer) SetTrailer(arg0 metadata.MD) {
 }

 // SetTrailer indicates an expected call of SetTrailer.
-func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetTrailer(arg0 any) *gomock.Call {
+func (mr *MockScheduler_ReportPieceResultServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
 	mr.mock.ctrl.T.Helper()
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_ReportPieceResultServer)(nil).SetTrailer), arg0)
 }
+
+// MockScheduler_SyncProbesServer is a mock of Scheduler_SyncProbesServer interface.
+type MockScheduler_SyncProbesServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockScheduler_SyncProbesServerMockRecorder
+}
+
+// MockScheduler_SyncProbesServerMockRecorder is the mock recorder for MockScheduler_SyncProbesServer.
+type MockScheduler_SyncProbesServerMockRecorder struct {
+	mock *MockScheduler_SyncProbesServer
+}
+
+// NewMockScheduler_SyncProbesServer creates a new mock instance.
+func NewMockScheduler_SyncProbesServer(ctrl *gomock.Controller) *MockScheduler_SyncProbesServer {
+	mock := &MockScheduler_SyncProbesServer{ctrl: ctrl}
+	mock.recorder = &MockScheduler_SyncProbesServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockScheduler_SyncProbesServer) EXPECT() *MockScheduler_SyncProbesServerMockRecorder {
+	return m.recorder
+}
+
+// Context mocks base method.
+func (m *MockScheduler_SyncProbesServer) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).Context))
+}
+
+// Recv mocks base method.
+func (m *MockScheduler_SyncProbesServer) Recv() (*scheduler.SyncProbesRequest, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*scheduler.SyncProbesRequest)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockScheduler_SyncProbesServer) RecvMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockScheduler_SyncProbesServer) Send(arg0 *scheduler.SyncProbesResponse) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).Send), arg0)
+}
+
+// SendHeader mocks base method.
+func (m *MockScheduler_SyncProbesServer) SendHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendHeader indicates an expected call of SendHeader.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SendHeader), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockScheduler_SyncProbesServer) SendMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SendMsg), m)
+}
+
+// SetHeader mocks base method.
+func (m *MockScheduler_SyncProbesServer) SetHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SetHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SetHeader indicates an expected call of SetHeader.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SetHeader), arg0)
+}
+
+// SetTrailer mocks base method.
+func (m *MockScheduler_SyncProbesServer) SetTrailer(arg0 metadata.MD) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetTrailer", arg0)
+}
+
+// SetTrailer indicates an expected call of SetTrailer.
+func (mr *MockScheduler_SyncProbesServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockScheduler_SyncProbesServer)(nil).SetTrailer), arg0)
+}
--- a/pkg/apis/scheduler/v1/scheduler.pb.go
+++ b/pkg/apis/scheduler/v1/scheduler.pb.go
--- a/pkg/apis/scheduler/v1/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v1/scheduler.pb.validate.go
--- a/pkg/apis/scheduler/v1/scheduler.proto
+++ b/pkg/apis/scheduler/v1/scheduler.proto
@ -22,6 +22,8 @@ import "pkg/apis/common/v1/common.proto";
 import "pkg/apis/errordetails/v1/errordetails.proto";
 import "validate/validate.proto";
 import "google/protobuf/empty.proto";
+import "google/protobuf/duration.proto";
+import "google/protobuf/timestamp.proto";

 option go_package = "d7y.io/api/v2/pkg/apis/scheduler/v1;scheduler";

@ -35,8 +37,6 @@ message PeerTaskRequest{
  string peer_id = 3 [(validate.rules).string.min_len = 1];
  // Peer host info.
  PeerHost peer_host = 4;
-  // When requesting for range, it will trigger seed peer to download entire task.
-  bool prefetch = 5;
  // Whether this request is caused by migration.
  bool is_migrating = 6;
  // Task id.
@ -131,6 +131,8 @@ message PeerPacket{
  string task_id = 2 [(validate.rules).string.min_len = 1];
  // Source peer id.
  string src_pid = 3 [(validate.rules).string.min_len = 1];
+  // Concurrent downloading count from main peer.
+  int32 parallel_count = 4 [(validate.rules).int32.gte = 1];
  // Main peer.
  DestPeer main_peer = 5;
  // Candidate peers.
@ -317,9 +319,9 @@ message Memory {
  // RAM used by programs.
  uint64 used = 3;
  // Percentage of RAM used by programs.
-  double used_percent = 4;
+  double used_percent = 4 [(validate.rules).double = {gte: 0, lte: 100}];
  // Calculates the percentage of memory used by process.
-  double process_used_percent = 5;
+  double process_used_percent = 5 [(validate.rules).double = {gte: 0, lte: 100}];
  // This is the kernel's notion of free memory.
  uint64 free = 6;
 }
@ -368,6 +370,60 @@ message Build {
  string platform = 4;
 }

+// ProbeStartedRequest represents started request of SyncProbesRequest.
+message ProbeStartedRequest {
+}
+
+// Probe information.
+message Probe {
+  // Destination host metadata.
+  common.Host host = 1 [(validate.rules).message.required = true];
+  // RTT is the round-trip time sent via this pinger.
+  google.protobuf.Duration rtt = 2 [(validate.rules).duration.required = true];
+  // Probe create time.
+  google.protobuf.Timestamp created_at = 3 [(validate.rules).timestamp.required = true];
+}
+
+// ProbeFinishedRequest represents finished request of SyncProbesRequest.
+message ProbeFinishedRequest {
+  // Probes information.
+  repeated Probe probes = 1 [(validate.rules).repeated = {min_items: 1}];
+}
+
+// FailedProbe information.
+message FailedProbe {
+  // Destination host metadata.
+  common.Host host = 1 [(validate.rules).message.required = true];
+  // The description of probing failed.
+  string description = 2 [(validate.rules).string.min_len = 1];
+}
+
+// ProbeFailedRequest represents failed request of SyncProbesRequest.
+message ProbeFailedRequest {
+  // Failed probes information.
+  repeated FailedProbe probes = 1 [(validate.rules).repeated = {min_items: 1}];
+}
+
+// SyncProbesRequest represents request of SyncProbes.
+message SyncProbesRequest {
+  // Source host metadata.
+  common.Host host = 1 [(validate.rules).message.required = true];
+
+  oneof request {
+    option (validate.required) = true;
+
+    ProbeStartedRequest probe_started_request = 2;
+    ProbeFinishedRequest probe_finished_request = 3;
+    ProbeFailedRequest probe_failed_request = 4;
+  }
+}
+
+// SyncProbesResponse represents response of SyncProbes.
+message SyncProbesResponse {
+  // Hosts needs to be probed.
+  repeated common.Host hosts = 1 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
+}
+
 // Scheduler RPC Service.
 service Scheduler{
  // RegisterPeerTask registers a peer into task.
@ -393,4 +449,7 @@ service Scheduler{

  // LeaveHost makes the peers leaving from host.
  rpc LeaveHost(LeaveHostRequest)returns(google.protobuf.Empty);
+
+  // SyncProbes sync probes of the host.
+  rpc SyncProbes(stream SyncProbesRequest)returns(stream SyncProbesResponse);
 }
--- a/pkg/apis/scheduler/v1/scheduler_grpc.pb.go
+++ b/pkg/apis/scheduler/v1/scheduler_grpc.pb.go
@ -39,6 +39,8 @@ type SchedulerClient interface {
 	AnnounceHost(ctx context.Context, in *AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// LeaveHost makes the peers leaving from host.
 	LeaveHost(ctx context.Context, in *LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// SyncProbes sync probes of the host.
+	SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error)
 }

 type schedulerClient struct {
@ -143,6 +145,37 @@ func (c *schedulerClient) LeaveHost(ctx context.Context, in *LeaveHostRequest, o
 	return out, nil
 }

+func (c *schedulerClient) SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.Scheduler/SyncProbes", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &schedulerSyncProbesClient{stream}
+	return x, nil
+}
+
+type Scheduler_SyncProbesClient interface {
+	Send(*SyncProbesRequest) error
+	Recv() (*SyncProbesResponse, error)
+	grpc.ClientStream
+}
+
+type schedulerSyncProbesClient struct {
+	grpc.ClientStream
+}
+
+func (x *schedulerSyncProbesClient) Send(m *SyncProbesRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *schedulerSyncProbesClient) Recv() (*SyncProbesResponse, error) {
+	m := new(SyncProbesResponse)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 // SchedulerServer is the server API for Scheduler service.
 // All implementations should embed UnimplementedSchedulerServer
 // for forward compatibility
@ -163,6 +196,8 @@ type SchedulerServer interface {
 	AnnounceHost(context.Context, *AnnounceHostRequest) (*emptypb.Empty, error)
 	// LeaveHost makes the peers leaving from host.
 	LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error)
+	// SyncProbes sync probes of the host.
+	SyncProbes(Scheduler_SyncProbesServer) error
 }

 // UnimplementedSchedulerServer should be embedded to have forward compatible implementations.
@ -193,6 +228,9 @@ func (UnimplementedSchedulerServer) AnnounceHost(context.Context, *AnnounceHostR
 func (UnimplementedSchedulerServer) LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method LeaveHost not implemented")
 }
+func (UnimplementedSchedulerServer) SyncProbes(Scheduler_SyncProbesServer) error {
+	return status.Errorf(codes.Unimplemented, "method SyncProbes not implemented")
+}

 // UnsafeSchedulerServer may be embedded to opt out of forward compatibility for this service.
 // Use of this interface is not recommended, as added methods to SchedulerServer will
@ -357,6 +395,32 @@ func _Scheduler_LeaveHost_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }

+func _Scheduler_SyncProbes_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SchedulerServer).SyncProbes(&schedulerSyncProbesServer{stream})
+}
+
+type Scheduler_SyncProbesServer interface {
+	Send(*SyncProbesResponse) error
+	Recv() (*SyncProbesRequest, error)
+	grpc.ServerStream
+}
+
+type schedulerSyncProbesServer struct {
+	grpc.ServerStream
+}
+
+func (x *schedulerSyncProbesServer) Send(m *SyncProbesResponse) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *schedulerSyncProbesServer) Recv() (*SyncProbesRequest, error) {
+	m := new(SyncProbesRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 // Scheduler_ServiceDesc is the grpc.ServiceDesc for Scheduler service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -400,6 +464,12 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			ServerStreams: true,
 			ClientStreams: true,
 		},
+		{
+			StreamName:    "SyncProbes",
+			Handler:       _Scheduler_SyncProbes_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
 	},
 	Metadata: "pkg/apis/scheduler/v1/scheduler.proto",
 }
--- a/pkg/apis/scheduler/v2/mocks/scheduler_mock.go
+++ b/pkg/apis/scheduler/v2/mocks/scheduler_mock.go
--- a/pkg/apis/scheduler/v2/scheduler.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.go
--- a/pkg/apis/scheduler/v2/scheduler.pb.validate.go
+++ b/pkg/apis/scheduler/v2/scheduler.pb.validate.go
--- a/pkg/apis/scheduler/v2/scheduler.proto
+++ b/pkg/apis/scheduler/v2/scheduler.proto
@ -19,10 +19,10 @@ syntax = "proto3";
 package scheduler.v2;

 import "pkg/apis/common/v2/common.proto";
-import "pkg/apis/errordetails/v2/errordetails.proto";
 import "validate/validate.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/duration.proto";
+import "google/protobuf/timestamp.proto";

 option go_package = "d7y.io/api/v2/pkg/apis/scheduler/v2;scheduler";

@ -32,6 +32,12 @@ message RegisterPeerRequest {
  common.v2.Download download = 1 [(validate.rules).message.required = true];
 }

+// RegisterSeedPeerRequest represents seed peer registered request of AnnouncePeerRequest.
+message RegisterSeedPeerRequest {
+  // Download information.
+  common.v2.Download download = 1 [(validate.rules).message.required = true];
+}
+
 // DownloadPeerStartedRequest represents peer download started request of AnnouncePeerRequest.
 message DownloadPeerStartedRequest {
 }
@ -39,44 +45,35 @@ message DownloadPeerStartedRequest {
 // DownloadPeerBackToSourceStartedRequest represents peer download back-to-source started request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceStartedRequest {
  // The description of the back-to-source reason.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-}
-
-// ReschedulePeerRequest represents reschedule request of AnnouncePeerRequest.
-message ReschedulePeerRequest {
-  // Candidate parent ids.
-  repeated common.v2.Peer candidate_parents = 1;
-
-  // The description of the reschedule reason.
-  optional string description = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string description = 1 [(validate.rules).string.min_len = 1];
 }

 // DownloadPeerFinishedRequest represents peer download finished request of AnnouncePeerRequest.
 message DownloadPeerFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1 [(validate.rules).int64.gte = 0];
  // Total piece count.
-  uint32 piece_count = 2;
+  int32 piece_count = 2 [(validate.rules).int32.gte = 0];
 }

 // DownloadPeerBackToSourceFinishedRequest represents peer download back-to-source finished request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1 [(validate.rules).int64.gte = 0];
  // Total piece count.
-  uint32 piece_count = 2;
+  int32 piece_count = 2 [(validate.rules).int32.gte = 0];
 }

 // DownloadPeerFailedRequest represents peer download failed request of AnnouncePeerRequest.
 message DownloadPeerFailedRequest {
  // The description of the download failed.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string description = 1 [(validate.rules).string.min_len = 1];
 }

 // DownloadPeerBackToSourceFailedRequest represents peer download back-to-source failed request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFailedRequest {
  // The description of the download back-to-source failed.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string description = 1 [(validate.rules).string.min_len = 1];
 }

 // DownloadPieceFinishedRequest represents piece download finished request of AnnouncePeerRequest.
@ -93,27 +90,57 @@ message DownloadPieceBackToSourceFinishedRequest {

 // DownloadPieceFailedRequest downloads piece failed request of AnnouncePeerRequest.
 message DownloadPieceFailedRequest {
-  // Piece number.
-  optional uint32 piece_number = 1;
-  // Parent id.
-  string parent_id = 2 [(validate.rules).string.min_len = 1];
+  // Piece info.
+  common.v2.Piece piece = 1 [(validate.rules).message.required = true];
  // Temporary indicates whether the error is temporary.
-  bool temporary = 3;
+  bool temporary = 2;
+}
+
+// HTTPResponse represents http protocol response of DownloadPieceBackToSourceFailedRequest.
+message HTTPResponse {
+  // HTTP Response Header.
+  map<string, string> header = 1;
+  // HTTP Status Code.
+  int32 status_code = 2 [(validate.rules).int32 = {gte: 100, lt: 599}];
+  // HTTP Status.
+  string status = 3 [(validate.rules).string.min_len = 1];
+}
+
+// HDFSResponse represents hdfs protocol response of DownloadPieceBackToSourceFailedRequest.
+message HDFSResponse {
+}
+
+// S3Response represents s3 protocol response of DownloadPieceBackToSourceFailedRequest.
+message S3Response {
+}
+
+// OSSResponse represents oss protocol response of DownloadPieceBackToSourceFailedRequest.
+message OSSResponse {
 }

 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFailedRequest {
-  // Piece number.
-  optional uint32 piece_number = 1;
+  // Piece info.
+  common.v2.Piece piece = 1 [(validate.rules).message.required = true];

  oneof response {
    option (validate.required) = true;

-    errordetails.v2.Backend backend = 2;
-    errordetails.v2.Unknown unknown = 3;
+    HTTPResponse http_response = 2;
+    HDFSResponse hdfs_response = 3;
+    S3Response s3_response = 4;
+    OSSResponse oss_response = 5;
  }
 }

+// SyncPiecesFailedRequest syncs pieces failed request of AnnouncePeerRequest.
+message SyncPiecesFailedRequest {
+	// Parent peer id.
+  string parent_id = 1 [(validate.rules).string.min_len = 1];
+  // The description of the error.
+  string description = 2;
+}
+
 // AnnouncePeerRequest represents request of AnnouncePeer.
 message AnnouncePeerRequest {
  // Host id.
@ -127,9 +154,9 @@ message AnnouncePeerRequest {
    option (validate.required) = true;

    RegisterPeerRequest register_peer_request = 4;
-    DownloadPeerStartedRequest download_peer_started_request = 5;
-    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 6;
-    ReschedulePeerRequest reschedule_peer_request = 7;
+    RegisterSeedPeerRequest register_seed_peer_request = 5;
+    DownloadPeerStartedRequest download_peer_started_request = 6;
+    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 7;
    DownloadPeerFinishedRequest download_peer_finished_request = 8;
    DownloadPeerBackToSourceFinishedRequest download_peer_back_to_source_finished_request = 9;
    DownloadPeerFailedRequest download_peer_failed_request = 10;
@ -138,6 +165,7 @@ message AnnouncePeerRequest {
    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 13;
    DownloadPieceFailedRequest download_piece_failed_request = 14;
    DownloadPieceBackToSourceFailedRequest download_piece_back_to_source_failed_request = 15;
+    SyncPiecesFailedRequest sync_pieces_failed_request = 16;
  }
 }

@ -145,16 +173,30 @@ message AnnouncePeerRequest {
 message EmptyTaskResponse {
 }

+// TinyTaskResponse represents tiny task response of AnnouncePeerResponse.
+message TinyTaskResponse {
+  // Tiny task content.
+  bytes content = 1 [(validate.rules).bytes.min_len = 1];
+}
+
+// SmallTaskResponse represents small task response of AnnouncePeerResponse.
+message SmallTaskResponse {
+  // Candidate parent.
+  common.v2.Peer candidate_parent = 1 [(validate.rules).message.required = true];
+}
+
 // NormalTaskResponse represents normal task response of AnnouncePeerResponse.
 message NormalTaskResponse {
  // Candidate parents.
-  repeated common.v2.Peer candidate_parents = 1 [(validate.rules).repeated.min_items = 1];
+  repeated common.v2.Peer candidate_parents = 1 [(validate.rules).repeated = {min_items: 1}];
+  // Concurrent downloading piece count from the peers.
+  int32 concurrent_piece_count = 2 [(validate.rules).int32.gte = 1];
 }

 // NeedBackToSourceResponse represents need back-to-source response of AnnouncePeerResponse.
 message NeedBackToSourceResponse {
  // The description of the back-to-source reason.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+  string description = 1 [(validate.rules).string.min_len = 1];
 }

 // AnnouncePeerResponse represents response of AnnouncePeer.
@ -163,8 +205,10 @@ message AnnouncePeerResponse {
    option (validate.required) = true;

    EmptyTaskResponse empty_task_response = 1;
-    NormalTaskResponse normal_task_response = 2;
-    NeedBackToSourceResponse need_back_to_source_response = 3;
+    TinyTaskResponse tiny_task_response = 2;
+    SmallTaskResponse small_task_response = 3;
+    NormalTaskResponse normal_task_response = 4;
+    NeedBackToSourceResponse need_back_to_source_response = 5;
  }
 }

@ -178,8 +222,24 @@ message StatPeerRequest {
  string peer_id = 3 [(validate.rules).string.min_len = 1];
 }

-// DeletePeerRequest represents request of DeletePeer.
-message DeletePeerRequest {
+// TODO exchange peer request definition.
+// ExchangePeerRequest represents request of ExchangePeer.
+message ExchangePeerRequest {
+  // Host id.
+  string host_id = 1 [(validate.rules).string.min_len = 1];
+  // Task id.
+  string task_id = 2 [(validate.rules).string.min_len = 1];
+  // Peer id.
+  string peer_id = 3 [(validate.rules).string.min_len = 1];
+}
+
+// TODO exchange peer response definition.
+// ExchangePeerResponse represents response of ExchangePeer.
+message ExchangePeerResponse {
+}
+
+// LeavePeerRequest represents request of LeavePeer.
+message LeavePeerRequest {
  // Host id.
  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
@ -190,205 +250,74 @@ message DeletePeerRequest {

 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-}
-
-// DeleteTaskRequest represents request of DeleteTask.
-message DeleteTaskRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+  string id = 1 [(validate.rules).string.min_len = 1];
 }

 // AnnounceHostRequest represents request of AnnounceHost.
 message AnnounceHostRequest {
  // Host info.
  common.v2.Host host = 1 [(validate.rules).message.required = true];
-  // The interval between dfdaemon announces to scheduler.
-  optional google.protobuf.Duration interval = 2;
 }

-// ListHostsResponse represents response of ListHosts.
-message ListHostsResponse {
-  // Hosts info.
-  repeated common.v2.Host hosts = 1;
-}
-
-// DeleteHostRequest represents request of DeleteHost.
-message DeleteHostRequest{
+// LeaveHostRequest represents request of LeaveHost.
+message LeaveHostRequest{
  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
+  string id = 1 [(validate.rules).string.min_len = 1];
 }

-// RegisterPersistentCachePeerRequest represents persistent cache peer registered request of AnnouncePersistentCachePeerRequest.
-message RegisterPersistentCachePeerRequest {
-  // Persistent represents whether the persistent cache task is persistent.
-  // If the persistent cache task is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection.
-  bool persistent = 1;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 2;
-  // Application of task.
-  optional string application = 3;
-  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB)
-  uint64 piece_length = 4 [(validate.rules).uint64.gte = 4194304];
-  // File path to be exported.
-  optional string output_path = 5 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-  // Download timeout.
-  optional google.protobuf.Duration timeout = 6;
+// ProbeStartedRequest represents started request of SyncProbesRequest.
+message ProbeStartedRequest {
 }

-// DownloadPersistentCachePeerStartedRequest represents persistent cache peer download started request of AnnouncePersistentCachePeerRequest.
-message DownloadPersistentCachePeerStartedRequest {
+// Probe information.
+message Probe {
+  // Destination host metadata.
+  common.v2.Host host = 1 [(validate.rules).message.required = true];
+  // RTT is the round-trip time sent via this pinger.
+  google.protobuf.Duration rtt = 2 [(validate.rules).duration.required = true];
+  // Probe create time.
+  google.protobuf.Timestamp created_at = 3 [(validate.rules).timestamp.required = true];
 }

-// ReschedulePersistentCachePeerRequest represents reschedule request of AnnouncePersistentCachePeerRequest.
-message ReschedulePersistentCachePeerRequest {
-  // Candidate parent ids.
-  repeated common.v2.PersistentCachePeer candidate_parents = 1;
-
-  // The description of the reschedule reason.
-  optional string description = 2 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+// ProbeFinishedRequest represents finished request of SyncProbesRequest.
+message ProbeFinishedRequest {
+  // Probes information.
+  repeated Probe probes = 1 [(validate.rules).repeated = {min_items: 1}];
 }

-// DownloadPersistentCachePeerFinishedRequest represents persistent cache peer download finished request of AnnouncePersistentCachePeerRequest.
-message DownloadPersistentCachePeerFinishedRequest {
-  // Total piece count.
-  uint32 piece_count = 1;
+// FailedProbe information.
+message FailedProbe {
+  // Destination host metadata.
+  common.v2.Host host = 1 [(validate.rules).message.required = true];
+  // The description of probing failed.
+  string description = 2 [(validate.rules).string.min_len = 1];
 }

-// DownloadPersistentCachePeerFailedRequest represents persistent cache peer download failed request of AnnouncePersistentCachePeerRequest.
-message DownloadPersistentCachePeerFailedRequest {
-  // The description of the download failed.
-  optional string description = 1 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
+// ProbeFailedRequest represents failed request of SyncProbesRequest.
+message ProbeFailedRequest {
+  // Failed probes information.
+  repeated FailedProbe probes = 1 [(validate.rules).repeated = {min_items: 1}];
 }

-// AnnouncePersistentCachePeerRequest represents request of AnnouncePersistentCachePeer.
-message AnnouncePersistentCachePeerRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
+// SyncProbesRequest represents request of SyncProbes.
+message SyncProbesRequest {
+  // Source host metadata.
+  common.v2.Host host = 1 [(validate.rules).message.required = true];

  oneof request {
    option (validate.required) = true;

-    RegisterPersistentCachePeerRequest register_persistent_cache_peer_request = 4;
-    DownloadPersistentCachePeerStartedRequest download_persistent_cache_peer_started_request = 5;
-    ReschedulePersistentCachePeerRequest reschedule_persistent_cache_peer_request = 6;
-    DownloadPersistentCachePeerFinishedRequest download_persistent_cache_peer_finished_request = 7;
-    DownloadPersistentCachePeerFailedRequest download_persistent_cache_peer_failed_request = 8;
-    DownloadPieceFinishedRequest download_piece_finished_request = 9;
-    DownloadPieceFailedRequest download_piece_failed_request = 10;
+    ProbeStartedRequest probe_started_request = 2;
+    ProbeFinishedRequest probe_finished_request = 3;
+    ProbeFailedRequest probe_failed_request = 4;
  }
 }

-// EmptyPersistentCacheTaskResponse represents empty persistent cache task response of AnnouncePersistentCachePeerResponse.
-message EmptyPersistentCacheTaskResponse {
-}
-
-// NormalPersistentCacheTaskResponse represents normal persistent cache task response of AnnouncePersistentCachePeerResponse.
-message NormalPersistentCacheTaskResponse {
-  // Candidate parents.
-  repeated common.v2.PersistentCachePeer candidate_parents = 1 [(validate.rules).repeated.min_items = 1];
-}
-
-// AnnouncePersistentCachePeerResponse represents response of AnnouncePersistentCachePeer.
-message AnnouncePersistentCachePeerResponse {
-  oneof response {
-    option (validate.required) = true;
-
-    EmptyPersistentCacheTaskResponse empty_persistent_cache_task_response = 1;
-    NormalPersistentCacheTaskResponse normal_persistent_cache_task_response = 2;
-  }
-}
-
-// StatPersistentCachePeerRequest represents request of StatPersistentCachePeer.
-message StatPersistentCachePeerRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-}
-
-// DeletePersistentCachePeerRequest represents request of DeletePersistentCachePeer.
-message DeletePersistentCachePeerRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-}
-
-// UploadPersistentCacheTaskStartedRequest represents upload persistent cache task started request of UploadPersistentCacheTaskStartedRequest.
-message UploadPersistentCacheTaskStartedRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-  // Replica count of the persistent cache task.
-  uint64 persistent_replica_count = 4 [(validate.rules).uint64.gte = 1];
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 5;
-  // Application of task.
-  optional string application = 6;
-  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB)
-  uint64 piece_length = 7 [(validate.rules).uint64.gte = 4194304];
-  // Task content length.
-  uint64 content_length = 8;
-  // Task piece count.
-  uint32 piece_count = 9;
-  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 10 [(validate.rules).duration = {gte:{seconds: 300}, lte:{seconds: 604800}}];
-}
-
-// UploadPersistentCacheTaskFinishedRequest represents upload persistent cache task finished request of UploadPersistentCacheTaskFinishedRequest.
-message UploadPersistentCacheTaskFinishedRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-}
-
-// UploadPersistentCacheTaskFailedRequest represents upload persistent cache task failed request of UploadPersistentCacheTaskFailedRequest.
-message UploadPersistentCacheTaskFailedRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-  // Peer id.
-  string peer_id = 3 [(validate.rules).string.min_len = 1];
-  // The description of the upload failed.
-  optional string description = 4 [(validate.rules).string = {min_len: 1, ignore_empty: true}];
-}
-
-// StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
-message StatPersistentCacheTaskRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
-}
-
-// DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
-message DeletePersistentCacheTaskRequest {
-  // Host id.
-  string host_id = 1 [(validate.rules).string.min_len = 1];
-  // Task id.
-  string task_id = 2 [(validate.rules).string.min_len = 1];
+// SyncProbesResponse represents response of SyncProbes.
+message SyncProbesResponse {
+  // Hosts needs to be probed.
+  repeated common.v2.Host hosts = 1 [(validate.rules).repeated = {min_items: 1, ignore_empty: true}];
 }

 // Scheduler RPC Service.
@ -399,45 +328,22 @@ service Scheduler {
  // Checks information of peer.
  rpc StatPeer(StatPeerRequest)returns(common.v2.Peer);

-  // DeletePeer releases peer in scheduler.
-  rpc DeletePeer(DeletePeerRequest)returns(google.protobuf.Empty);
+  // LeavePeer releases peer in scheduler.
+  rpc LeavePeer(LeavePeerRequest)returns(google.protobuf.Empty);
+
+  // TODO exchange peer api definition.
+  // ExchangePeer exchanges peer information.
+  rpc ExchangePeer(ExchangePeerRequest)returns(ExchangePeerResponse);

  // Checks information of task.
  rpc StatTask(StatTaskRequest)returns(common.v2.Task);

-  // DeleteTask releases task in scheduler.
-  rpc DeleteTask(DeleteTaskRequest)returns(google.protobuf.Empty);
-
  // AnnounceHost announces host to scheduler.
  rpc AnnounceHost(AnnounceHostRequest)returns(google.protobuf.Empty);

-  // ListHosts lists hosts in scheduler.
-  rpc ListHosts(google.protobuf.Empty)returns(ListHostsResponse);
+  // LeaveHost releases host in scheduler.
+  rpc LeaveHost(LeaveHostRequest)returns(google.protobuf.Empty);

-  // DeleteHost releases host in scheduler.
-  rpc DeleteHost(DeleteHostRequest)returns(google.protobuf.Empty);
-
-  // AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
-  rpc AnnouncePersistentCachePeer(stream AnnouncePersistentCachePeerRequest) returns(stream AnnouncePersistentCachePeerResponse);
-
-  // Checks information of persistent cache peer.
-  rpc StatPersistentCachePeer(StatPersistentCachePeerRequest)returns(common.v2.PersistentCachePeer);
-
-  // DeletePersistentCachePeer releases persistent cache peer in scheduler.
-  rpc DeletePersistentCachePeer(DeletePersistentCachePeerRequest)returns(google.protobuf.Empty);
-
-  // UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
-  rpc UploadPersistentCacheTaskStarted(UploadPersistentCacheTaskStartedRequest)returns(google.protobuf.Empty);
-
-  // UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
-  rpc UploadPersistentCacheTaskFinished(UploadPersistentCacheTaskFinishedRequest)returns(common.v2.PersistentCacheTask);
-
-  // UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
-  rpc UploadPersistentCacheTaskFailed(UploadPersistentCacheTaskFailedRequest)returns(google.protobuf.Empty);
-
-  // Checks information of persistent cache task.
-  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest)returns(common.v2.PersistentCacheTask);
-
-  // DeletePersistentCacheTask releases persistent cache task in scheduler.
-  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest)returns(google.protobuf.Empty);
+  // SyncProbes sync probes of the host.
+  rpc SyncProbes(stream SyncProbesRequest)returns(stream SyncProbesResponse);
 }
--- a/pkg/apis/scheduler/v2/scheduler_grpc.pb.go
+++ b/pkg/apis/scheduler/v2/scheduler_grpc.pb.go
@ -28,34 +28,19 @@ type SchedulerClient interface {
 	AnnouncePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePeerClient, error)
 	// Checks information of peer.
 	StatPeer(ctx context.Context, in *StatPeerRequest, opts ...grpc.CallOption) (*v2.Peer, error)
-	// DeletePeer releases peer in scheduler.
-	DeletePeer(ctx context.Context, in *DeletePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// LeavePeer releases peer in scheduler.
+	LeavePeer(ctx context.Context, in *LeavePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// TODO exchange peer api definition.
+	// ExchangePeer exchanges peer information.
+	ExchangePeer(ctx context.Context, in *ExchangePeerRequest, opts ...grpc.CallOption) (*ExchangePeerResponse, error)
 	// Checks information of task.
 	StatTask(ctx context.Context, in *StatTaskRequest, opts ...grpc.CallOption) (*v2.Task, error)
-	// DeleteTask releases task in scheduler.
-	DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
 	// AnnounceHost announces host to scheduler.
 	AnnounceHost(ctx context.Context, in *AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// ListHosts lists hosts in scheduler.
-	ListHosts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListHostsResponse, error)
-	// DeleteHost releases host in scheduler.
-	DeleteHost(ctx context.Context, in *DeleteHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
-	AnnouncePersistentCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePersistentCachePeerClient, error)
-	// Checks information of persistent cache peer.
-	StatPersistentCachePeer(ctx context.Context, in *StatPersistentCachePeerRequest, opts ...grpc.CallOption) (*v2.PersistentCachePeer, error)
-	// DeletePersistentCachePeer releases persistent cache peer in scheduler.
-	DeletePersistentCachePeer(ctx context.Context, in *DeletePersistentCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
-	UploadPersistentCacheTaskStarted(ctx context.Context, in *UploadPersistentCacheTaskStartedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
-	UploadPersistentCacheTaskFinished(ctx context.Context, in *UploadPersistentCacheTaskFinishedRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
-	// UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
-	UploadPersistentCacheTaskFailed(ctx context.Context, in *UploadPersistentCacheTaskFailedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
-	// Checks information of persistent cache task.
-	StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error)
-	// DeletePersistentCacheTask releases persistent cache task in scheduler.
-	DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// LeaveHost releases host in scheduler.
+	LeaveHost(ctx context.Context, in *LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error)
+	// SyncProbes sync probes of the host.
+	SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error)
 }

 type schedulerClient struct {
@ -106,9 +91,18 @@ func (c *schedulerClient) StatPeer(ctx context.Context, in *StatPeerRequest, opt
 	return out, nil
 }

-func (c *schedulerClient) DeletePeer(ctx context.Context, in *DeletePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+func (c *schedulerClient) LeavePeer(ctx context.Context, in *LeavePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeletePeer", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/LeavePeer", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *schedulerClient) ExchangePeer(ctx context.Context, in *ExchangePeerRequest, opts ...grpc.CallOption) (*ExchangePeerResponse, error) {
+	out := new(ExchangePeerResponse)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/ExchangePeer", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
@ -124,15 +118,6 @@ func (c *schedulerClient) StatTask(ctx context.Context, in *StatTaskRequest, opt
 	return out, nil
 }

-func (c *schedulerClient) DeleteTask(ctx context.Context, in *DeleteTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeleteTask", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *schedulerClient) AnnounceHost(ctx context.Context, in *AnnounceHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
 	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/AnnounceHost", in, out, opts...)
@ -142,118 +127,46 @@ func (c *schedulerClient) AnnounceHost(ctx context.Context, in *AnnounceHostRequ
 	return out, nil
 }

-func (c *schedulerClient) ListHosts(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*ListHostsResponse, error) {
-	out := new(ListHostsResponse)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/ListHosts", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) DeleteHost(ctx context.Context, in *DeleteHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
+func (c *schedulerClient) LeaveHost(ctx context.Context, in *LeaveHostRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
 	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeleteHost", in, out, opts...)
+	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/LeaveHost", in, out, opts...)
 	if err != nil {
 		return nil, err
 	}
 	return out, nil
 }

-func (c *schedulerClient) AnnouncePersistentCachePeer(ctx context.Context, opts ...grpc.CallOption) (Scheduler_AnnouncePersistentCachePeerClient, error) {
-	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.v2.Scheduler/AnnouncePersistentCachePeer", opts...)
+func (c *schedulerClient) SyncProbes(ctx context.Context, opts ...grpc.CallOption) (Scheduler_SyncProbesClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Scheduler_ServiceDesc.Streams[1], "/scheduler.v2.Scheduler/SyncProbes", opts...)
 	if err != nil {
 		return nil, err
 	}
-	x := &schedulerAnnouncePersistentCachePeerClient{stream}
+	x := &schedulerSyncProbesClient{stream}
 	return x, nil
 }

-type Scheduler_AnnouncePersistentCachePeerClient interface {
-	Send(*AnnouncePersistentCachePeerRequest) error
-	Recv() (*AnnouncePersistentCachePeerResponse, error)
+type Scheduler_SyncProbesClient interface {
+	Send(*SyncProbesRequest) error
+	Recv() (*SyncProbesResponse, error)
 	grpc.ClientStream
 }

-type schedulerAnnouncePersistentCachePeerClient struct {
+type schedulerSyncProbesClient struct {
 	grpc.ClientStream
 }

-func (x *schedulerAnnouncePersistentCachePeerClient) Send(m *AnnouncePersistentCachePeerRequest) error {
+func (x *schedulerSyncProbesClient) Send(m *SyncProbesRequest) error {
 	return x.ClientStream.SendMsg(m)
 }

-func (x *schedulerAnnouncePersistentCachePeerClient) Recv() (*AnnouncePersistentCachePeerResponse, error) {
-	m := new(AnnouncePersistentCachePeerResponse)
+func (x *schedulerSyncProbesClient) Recv() (*SyncProbesResponse, error) {
+	m := new(SyncProbesResponse)
 	if err := x.ClientStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }

-func (c *schedulerClient) StatPersistentCachePeer(ctx context.Context, in *StatPersistentCachePeerRequest, opts ...grpc.CallOption) (*v2.PersistentCachePeer, error) {
-	out := new(v2.PersistentCachePeer)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatPersistentCachePeer", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) DeletePersistentCachePeer(ctx context.Context, in *DeletePersistentCachePeerRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeletePersistentCachePeer", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) UploadPersistentCacheTaskStarted(ctx context.Context, in *UploadPersistentCacheTaskStartedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/UploadPersistentCacheTaskStarted", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) UploadPersistentCacheTaskFinished(ctx context.Context, in *UploadPersistentCacheTaskFinishedRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error) {
-	out := new(v2.PersistentCacheTask)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFinished", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) UploadPersistentCacheTaskFailed(ctx context.Context, in *UploadPersistentCacheTaskFailedRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFailed", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) StatPersistentCacheTask(ctx context.Context, in *StatPersistentCacheTaskRequest, opts ...grpc.CallOption) (*v2.PersistentCacheTask, error) {
-	out := new(v2.PersistentCacheTask)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/StatPersistentCacheTask", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
-func (c *schedulerClient) DeletePersistentCacheTask(ctx context.Context, in *DeletePersistentCacheTaskRequest, opts ...grpc.CallOption) (*emptypb.Empty, error) {
-	out := new(emptypb.Empty)
-	err := c.cc.Invoke(ctx, "/scheduler.v2.Scheduler/DeletePersistentCacheTask", in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 // SchedulerServer is the server API for Scheduler service.
 // All implementations should embed UnimplementedSchedulerServer
 // for forward compatibility
@ -262,34 +175,19 @@ type SchedulerServer interface {
 	AnnouncePeer(Scheduler_AnnouncePeerServer) error
 	// Checks information of peer.
 	StatPeer(context.Context, *StatPeerRequest) (*v2.Peer, error)
-	// DeletePeer releases peer in scheduler.
-	DeletePeer(context.Context, *DeletePeerRequest) (*emptypb.Empty, error)
+	// LeavePeer releases peer in scheduler.
+	LeavePeer(context.Context, *LeavePeerRequest) (*emptypb.Empty, error)
+	// TODO exchange peer api definition.
+	// ExchangePeer exchanges peer information.
+	ExchangePeer(context.Context, *ExchangePeerRequest) (*ExchangePeerResponse, error)
 	// Checks information of task.
 	StatTask(context.Context, *StatTaskRequest) (*v2.Task, error)
-	// DeleteTask releases task in scheduler.
-	DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error)
 	// AnnounceHost announces host to scheduler.
 	AnnounceHost(context.Context, *AnnounceHostRequest) (*emptypb.Empty, error)
-	// ListHosts lists hosts in scheduler.
-	ListHosts(context.Context, *emptypb.Empty) (*ListHostsResponse, error)
-	// DeleteHost releases host in scheduler.
-	DeleteHost(context.Context, *DeleteHostRequest) (*emptypb.Empty, error)
-	// AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
-	AnnouncePersistentCachePeer(Scheduler_AnnouncePersistentCachePeerServer) error
-	// Checks information of persistent cache peer.
-	StatPersistentCachePeer(context.Context, *StatPersistentCachePeerRequest) (*v2.PersistentCachePeer, error)
-	// DeletePersistentCachePeer releases persistent cache peer in scheduler.
-	DeletePersistentCachePeer(context.Context, *DeletePersistentCachePeerRequest) (*emptypb.Empty, error)
-	// UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
-	UploadPersistentCacheTaskStarted(context.Context, *UploadPersistentCacheTaskStartedRequest) (*emptypb.Empty, error)
-	// UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
-	UploadPersistentCacheTaskFinished(context.Context, *UploadPersistentCacheTaskFinishedRequest) (*v2.PersistentCacheTask, error)
-	// UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
-	UploadPersistentCacheTaskFailed(context.Context, *UploadPersistentCacheTaskFailedRequest) (*emptypb.Empty, error)
-	// Checks information of persistent cache task.
-	StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error)
-	// DeletePersistentCacheTask releases persistent cache task in scheduler.
-	DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error)
+	// LeaveHost releases host in scheduler.
+	LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error)
+	// SyncProbes sync probes of the host.
+	SyncProbes(Scheduler_SyncProbesServer) error
 }

 // UnimplementedSchedulerServer should be embedded to have forward compatible implementations.
@ -302,47 +200,23 @@ func (UnimplementedSchedulerServer) AnnouncePeer(Scheduler_AnnouncePeerServer) e
 func (UnimplementedSchedulerServer) StatPeer(context.Context, *StatPeerRequest) (*v2.Peer, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatPeer not implemented")
 }
-func (UnimplementedSchedulerServer) DeletePeer(context.Context, *DeletePeerRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeletePeer not implemented")
+func (UnimplementedSchedulerServer) LeavePeer(context.Context, *LeavePeerRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LeavePeer not implemented")
+}
+func (UnimplementedSchedulerServer) ExchangePeer(context.Context, *ExchangePeerRequest) (*ExchangePeerResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ExchangePeer not implemented")
 }
 func (UnimplementedSchedulerServer) StatTask(context.Context, *StatTaskRequest) (*v2.Task, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method StatTask not implemented")
 }
-func (UnimplementedSchedulerServer) DeleteTask(context.Context, *DeleteTaskRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteTask not implemented")
-}
 func (UnimplementedSchedulerServer) AnnounceHost(context.Context, *AnnounceHostRequest) (*emptypb.Empty, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method AnnounceHost not implemented")
 }
-func (UnimplementedSchedulerServer) ListHosts(context.Context, *emptypb.Empty) (*ListHostsResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method ListHosts not implemented")
+func (UnimplementedSchedulerServer) LeaveHost(context.Context, *LeaveHostRequest) (*emptypb.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method LeaveHost not implemented")
 }
-func (UnimplementedSchedulerServer) DeleteHost(context.Context, *DeleteHostRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeleteHost not implemented")
-}
-func (UnimplementedSchedulerServer) AnnouncePersistentCachePeer(Scheduler_AnnouncePersistentCachePeerServer) error {
-	return status.Errorf(codes.Unimplemented, "method AnnouncePersistentCachePeer not implemented")
-}
-func (UnimplementedSchedulerServer) StatPersistentCachePeer(context.Context, *StatPersistentCachePeerRequest) (*v2.PersistentCachePeer, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method StatPersistentCachePeer not implemented")
-}
-func (UnimplementedSchedulerServer) DeletePersistentCachePeer(context.Context, *DeletePersistentCachePeerRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeletePersistentCachePeer not implemented")
-}
-func (UnimplementedSchedulerServer) UploadPersistentCacheTaskStarted(context.Context, *UploadPersistentCacheTaskStartedRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UploadPersistentCacheTaskStarted not implemented")
-}
-func (UnimplementedSchedulerServer) UploadPersistentCacheTaskFinished(context.Context, *UploadPersistentCacheTaskFinishedRequest) (*v2.PersistentCacheTask, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UploadPersistentCacheTaskFinished not implemented")
-}
-func (UnimplementedSchedulerServer) UploadPersistentCacheTaskFailed(context.Context, *UploadPersistentCacheTaskFailedRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method UploadPersistentCacheTaskFailed not implemented")
-}
-func (UnimplementedSchedulerServer) StatPersistentCacheTask(context.Context, *StatPersistentCacheTaskRequest) (*v2.PersistentCacheTask, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method StatPersistentCacheTask not implemented")
-}
-func (UnimplementedSchedulerServer) DeletePersistentCacheTask(context.Context, *DeletePersistentCacheTaskRequest) (*emptypb.Empty, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method DeletePersistentCacheTask not implemented")
+func (UnimplementedSchedulerServer) SyncProbes(Scheduler_SyncProbesServer) error {
+	return status.Errorf(codes.Unimplemented, "method SyncProbes not implemented")
 }

 // UnsafeSchedulerServer may be embedded to opt out of forward compatibility for this service.
@ -400,20 +274,38 @@ func _Scheduler_StatPeer_Handler(srv interface{}, ctx context.Context, dec func(
 	return interceptor(ctx, in, info, handler)
 }

-func _Scheduler_DeletePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeletePeerRequest)
+func _Scheduler_LeavePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LeavePeerRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(SchedulerServer).DeletePeer(ctx, in)
+		return srv.(SchedulerServer).LeavePeer(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/DeletePeer",
+		FullMethod: "/scheduler.v2.Scheduler/LeavePeer",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).DeletePeer(ctx, req.(*DeletePeerRequest))
+		return srv.(SchedulerServer).LeavePeer(ctx, req.(*LeavePeerRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Scheduler_ExchangePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ExchangePeerRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(SchedulerServer).ExchangePeer(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/scheduler.v2.Scheduler/ExchangePeer",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(SchedulerServer).ExchangePeer(ctx, req.(*ExchangePeerRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@ -436,24 +328,6 @@ func _Scheduler_StatTask_Handler(srv interface{}, ctx context.Context, dec func(
 	return interceptor(ctx, in, info, handler)
 }

-func _Scheduler_DeleteTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeleteTaskRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).DeleteTask(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/DeleteTask",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).DeleteTask(ctx, req.(*DeleteTaskRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _Scheduler_AnnounceHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(AnnounceHostRequest)
 	if err := dec(in); err != nil {
@ -472,194 +346,50 @@ func _Scheduler_AnnounceHost_Handler(srv interface{}, ctx context.Context, dec f
 	return interceptor(ctx, in, info, handler)
 }

-func _Scheduler_ListHosts_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(emptypb.Empty)
+func _Scheduler_LeaveHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(LeaveHostRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(SchedulerServer).ListHosts(ctx, in)
+		return srv.(SchedulerServer).LeaveHost(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/ListHosts",
+		FullMethod: "/scheduler.v2.Scheduler/LeaveHost",
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).ListHosts(ctx, req.(*emptypb.Empty))
+		return srv.(SchedulerServer).LeaveHost(ctx, req.(*LeaveHostRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }

-func _Scheduler_DeleteHost_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeleteHostRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).DeleteHost(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/DeleteHost",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).DeleteHost(ctx, req.(*DeleteHostRequest))
-	}
-	return interceptor(ctx, in, info, handler)
+func _Scheduler_SyncProbes_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(SchedulerServer).SyncProbes(&schedulerSyncProbesServer{stream})
 }

-func _Scheduler_AnnouncePersistentCachePeer_Handler(srv interface{}, stream grpc.ServerStream) error {
-	return srv.(SchedulerServer).AnnouncePersistentCachePeer(&schedulerAnnouncePersistentCachePeerServer{stream})
-}
-
-type Scheduler_AnnouncePersistentCachePeerServer interface {
-	Send(*AnnouncePersistentCachePeerResponse) error
-	Recv() (*AnnouncePersistentCachePeerRequest, error)
+type Scheduler_SyncProbesServer interface {
+	Send(*SyncProbesResponse) error
+	Recv() (*SyncProbesRequest, error)
 	grpc.ServerStream
 }

-type schedulerAnnouncePersistentCachePeerServer struct {
+type schedulerSyncProbesServer struct {
 	grpc.ServerStream
 }

-func (x *schedulerAnnouncePersistentCachePeerServer) Send(m *AnnouncePersistentCachePeerResponse) error {
+func (x *schedulerSyncProbesServer) Send(m *SyncProbesResponse) error {
 	return x.ServerStream.SendMsg(m)
 }

-func (x *schedulerAnnouncePersistentCachePeerServer) Recv() (*AnnouncePersistentCachePeerRequest, error) {
-	m := new(AnnouncePersistentCachePeerRequest)
+func (x *schedulerSyncProbesServer) Recv() (*SyncProbesRequest, error) {
+	m := new(SyncProbesRequest)
 	if err := x.ServerStream.RecvMsg(m); err != nil {
 		return nil, err
 	}
 	return m, nil
 }

-func _Scheduler_StatPersistentCachePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(StatPersistentCachePeerRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).StatPersistentCachePeer(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/StatPersistentCachePeer",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).StatPersistentCachePeer(ctx, req.(*StatPersistentCachePeerRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Scheduler_DeletePersistentCachePeer_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeletePersistentCachePeerRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).DeletePersistentCachePeer(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/DeletePersistentCachePeer",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).DeletePersistentCachePeer(ctx, req.(*DeletePersistentCachePeerRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Scheduler_UploadPersistentCacheTaskStarted_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(UploadPersistentCacheTaskStartedRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).UploadPersistentCacheTaskStarted(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/UploadPersistentCacheTaskStarted",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).UploadPersistentCacheTaskStarted(ctx, req.(*UploadPersistentCacheTaskStartedRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Scheduler_UploadPersistentCacheTaskFinished_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(UploadPersistentCacheTaskFinishedRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).UploadPersistentCacheTaskFinished(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFinished",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).UploadPersistentCacheTaskFinished(ctx, req.(*UploadPersistentCacheTaskFinishedRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Scheduler_UploadPersistentCacheTaskFailed_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(UploadPersistentCacheTaskFailedRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).UploadPersistentCacheTaskFailed(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/UploadPersistentCacheTaskFailed",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).UploadPersistentCacheTaskFailed(ctx, req.(*UploadPersistentCacheTaskFailedRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Scheduler_StatPersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(StatPersistentCacheTaskRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).StatPersistentCacheTask(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/StatPersistentCacheTask",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).StatPersistentCacheTask(ctx, req.(*StatPersistentCacheTaskRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
-func _Scheduler_DeletePersistentCacheTask_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DeletePersistentCacheTaskRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(SchedulerServer).DeletePersistentCacheTask(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: "/scheduler.v2.Scheduler/DeletePersistentCacheTask",
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(SchedulerServer).DeletePersistentCacheTask(ctx, req.(*DeletePersistentCacheTaskRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 // Scheduler_ServiceDesc is the grpc.ServiceDesc for Scheduler service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -672,56 +402,24 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			Handler:    _Scheduler_StatPeer_Handler,
 		},
 		{
-			MethodName: "DeletePeer",
-			Handler:    _Scheduler_DeletePeer_Handler,
+			MethodName: "LeavePeer",
+			Handler:    _Scheduler_LeavePeer_Handler,
+		},
+		{
+			MethodName: "ExchangePeer",
+			Handler:    _Scheduler_ExchangePeer_Handler,
 		},
 		{
 			MethodName: "StatTask",
 			Handler:    _Scheduler_StatTask_Handler,
 		},
-		{
-			MethodName: "DeleteTask",
-			Handler:    _Scheduler_DeleteTask_Handler,
-		},
 		{
 			MethodName: "AnnounceHost",
 			Handler:    _Scheduler_AnnounceHost_Handler,
 		},
 		{
-			MethodName: "ListHosts",
-			Handler:    _Scheduler_ListHosts_Handler,
-		},
-		{
-			MethodName: "DeleteHost",
-			Handler:    _Scheduler_DeleteHost_Handler,
-		},
-		{
-			MethodName: "StatPersistentCachePeer",
-			Handler:    _Scheduler_StatPersistentCachePeer_Handler,
-		},
-		{
-			MethodName: "DeletePersistentCachePeer",
-			Handler:    _Scheduler_DeletePersistentCachePeer_Handler,
-		},
-		{
-			MethodName: "UploadPersistentCacheTaskStarted",
-			Handler:    _Scheduler_UploadPersistentCacheTaskStarted_Handler,
-		},
-		{
-			MethodName: "UploadPersistentCacheTaskFinished",
-			Handler:    _Scheduler_UploadPersistentCacheTaskFinished_Handler,
-		},
-		{
-			MethodName: "UploadPersistentCacheTaskFailed",
-			Handler:    _Scheduler_UploadPersistentCacheTaskFailed_Handler,
-		},
-		{
-			MethodName: "StatPersistentCacheTask",
-			Handler:    _Scheduler_StatPersistentCacheTask_Handler,
-		},
-		{
-			MethodName: "DeletePersistentCacheTask",
-			Handler:    _Scheduler_DeletePersistentCacheTask_Handler,
+			MethodName: "LeaveHost",
+			Handler:    _Scheduler_LeaveHost_Handler,
 		},
 	},
 	Streams: []grpc.StreamDesc{
@ -732,8 +430,8 @@ var Scheduler_ServiceDesc = grpc.ServiceDesc{
 			ClientStreams: true,
 		},
 		{
-			StreamName:    "AnnouncePersistentCachePeer",
-			Handler:       _Scheduler_AnnouncePersistentCachePeer_Handler,
+			StreamName:    "SyncProbes",
+			Handler:       _Scheduler_SyncProbes_Handler,
 			ServerStreams: true,
 			ClientStreams: true,
 		},
--- a/pkg/apis/security/v1/security.pb.go
+++ b/pkg/apis/security/v1/security.pb.go
@ -0,0 +1,264 @@
+//
+//     Copyright 2022 The Dragonfly Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.6
+// source: pkg/apis/security/v1/security.proto
+
+package security
+
+import (
+	_ "github.com/envoyproxy/protoc-gen-validate/validate"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	durationpb "google.golang.org/protobuf/types/known/durationpb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// Certificate request type.
+// Dragonfly supports peers authentication with Mutual TLS(mTLS)
+// For mTLS, all peers need to request TLS certificates for communicating
+// The server side may overwrite ant requested certificate filed based on its policies.
+type CertificateRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// ASN.1 DER form certificate request.
+	// The public key in the CSR is used to generate the certificate,
+	// and other fields in the generated certificate may be overwritten by the CA.
+	Csr []byte `protobuf:"bytes,1,opt,name=csr,proto3" json:"csr,omitempty"`
+	// Optional: requested certificate validity period.
+	ValidityPeriod *durationpb.Duration `protobuf:"bytes,2,opt,name=validity_period,json=validityPeriod,proto3" json:"validity_period,omitempty"`
+}
+
+func (x *CertificateRequest) Reset() {
+	*x = CertificateRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_apis_security_v1_security_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertificateRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertificateRequest) ProtoMessage() {}
+
+func (x *CertificateRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_apis_security_v1_security_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertificateRequest.ProtoReflect.Descriptor instead.
+func (*CertificateRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_apis_security_v1_security_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *CertificateRequest) GetCsr() []byte {
+	if x != nil {
+		return x.Csr
+	}
+	return nil
+}
+
+func (x *CertificateRequest) GetValidityPeriod() *durationpb.Duration {
+	if x != nil {
+		return x.ValidityPeriod
+	}
+	return nil
+}
+
+// Certificate response type.
+type CertificateResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// ASN.1 DER form certificate chain.
+	CertificateChain [][]byte `protobuf:"bytes,1,rep,name=certificate_chain,json=certificateChain,proto3" json:"certificate_chain,omitempty"`
+}
+
+func (x *CertificateResponse) Reset() {
+	*x = CertificateResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_apis_security_v1_security_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CertificateResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CertificateResponse) ProtoMessage() {}
+
+func (x *CertificateResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_apis_security_v1_security_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CertificateResponse.ProtoReflect.Descriptor instead.
+func (*CertificateResponse) Descriptor() ([]byte, []int) {
+	return file_pkg_apis_security_v1_security_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CertificateResponse) GetCertificateChain() [][]byte {
+	if x != nil {
+		return x.CertificateChain
+	}
+	return nil
+}
+
+var File_pkg_apis_security_v1_security_proto protoreflect.FileDescriptor
+
+var file_pkg_apis_security_v1_security_proto_rawDesc = []byte{
+	0x0a, 0x23, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x73, 0x65, 0x63, 0x75, 0x72,
+	0x69, 0x74, 0x79, 0x2f, 0x76, 0x31, 0x2f, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x08, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x1a,
+	0x1e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
+	0x2f, 0x64, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a,
+	0x17, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2f, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61,
+	0x74, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x7d, 0x0a, 0x12, 0x43, 0x65, 0x72, 0x74,
+	0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x19,
+	0x0a, 0x03, 0x63, 0x73, 0x72, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x42, 0x07, 0xfa, 0x42, 0x04,
+	0x7a, 0x02, 0x10, 0x01, 0x52, 0x03, 0x63, 0x73, 0x72, 0x12, 0x4c, 0x0a, 0x0f, 0x76, 0x61, 0x6c,
+	0x69, 0x64, 0x69, 0x74, 0x79, 0x5f, 0x70, 0x65, 0x72, 0x69, 0x6f, 0x64, 0x18, 0x02, 0x20, 0x01,
+	0x28, 0x0b, 0x32, 0x19, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x62, 0x75, 0x66, 0x2e, 0x44, 0x75, 0x72, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x42, 0x08, 0xfa,
+	0x42, 0x05, 0xaa, 0x01, 0x02, 0x08, 0x01, 0x52, 0x0e, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x69, 0x74,
+	0x79, 0x50, 0x65, 0x72, 0x69, 0x6f, 0x64, 0x22, 0x4c, 0x0a, 0x13, 0x43, 0x65, 0x72, 0x74, 0x69,
+	0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x35,
+	0x0a, 0x11, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x5f, 0x63, 0x68,
+	0x61, 0x69, 0x6e, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0c, 0x42, 0x08, 0xfa, 0x42, 0x05, 0x92, 0x01,
+	0x02, 0x08, 0x01, 0x52, 0x10, 0x63, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65,
+	0x43, 0x68, 0x61, 0x69, 0x6e, 0x32, 0x60, 0x0a, 0x0b, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69,
+	0x63, 0x61, 0x74, 0x65, 0x12, 0x51, 0x0a, 0x10, 0x49, 0x73, 0x73, 0x75, 0x65, 0x43, 0x65, 0x72,
+	0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x12, 0x1c, 0x2e, 0x73, 0x65, 0x63, 0x75, 0x72,
+	0x69, 0x74, 0x79, 0x2e, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x52,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x1a, 0x1d, 0x2e, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74,
+	0x79, 0x2e, 0x43, 0x65, 0x72, 0x74, 0x69, 0x66, 0x69, 0x63, 0x61, 0x74, 0x65, 0x52, 0x65, 0x73,
+	0x70, 0x6f, 0x6e, 0x73, 0x65, 0x22, 0x00, 0x42, 0x2d, 0x5a, 0x2b, 0x64, 0x37, 0x79, 0x2e, 0x69,
+	0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69,
+	0x73, 0x2f, 0x73, 0x65, 0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x2f, 0x76, 0x31, 0x3b, 0x73, 0x65,
+	0x63, 0x75, 0x72, 0x69, 0x74, 0x79, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_pkg_apis_security_v1_security_proto_rawDescOnce sync.Once
+	file_pkg_apis_security_v1_security_proto_rawDescData = file_pkg_apis_security_v1_security_proto_rawDesc
+)
+
+func file_pkg_apis_security_v1_security_proto_rawDescGZIP() []byte {
+	file_pkg_apis_security_v1_security_proto_rawDescOnce.Do(func() {
+		file_pkg_apis_security_v1_security_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_apis_security_v1_security_proto_rawDescData)
+	})
+	return file_pkg_apis_security_v1_security_proto_rawDescData
+}
+
+var file_pkg_apis_security_v1_security_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_pkg_apis_security_v1_security_proto_goTypes = []interface{}{
+	(*CertificateRequest)(nil),  // 0: security.CertificateRequest
+	(*CertificateResponse)(nil), // 1: security.CertificateResponse
+	(*durationpb.Duration)(nil), // 2: google.protobuf.Duration
+}
+var file_pkg_apis_security_v1_security_proto_depIdxs = []int32{
+	2, // 0: security.CertificateRequest.validity_period:type_name -> google.protobuf.Duration
+	0, // 1: security.Certificate.IssueCertificate:input_type -> security.CertificateRequest
+	1, // 2: security.Certificate.IssueCertificate:output_type -> security.CertificateResponse
+	2, // [2:3] is the sub-list for method output_type
+	1, // [1:2] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_pkg_apis_security_v1_security_proto_init() }
+func file_pkg_apis_security_v1_security_proto_init() {
+	if File_pkg_apis_security_v1_security_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_pkg_apis_security_v1_security_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertificateRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_apis_security_v1_security_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CertificateResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_pkg_apis_security_v1_security_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_pkg_apis_security_v1_security_proto_goTypes,
+		DependencyIndexes: file_pkg_apis_security_v1_security_proto_depIdxs,
+		MessageInfos:      file_pkg_apis_security_v1_security_proto_msgTypes,
+	}.Build()
+	File_pkg_apis_security_v1_security_proto = out.File
+	file_pkg_apis_security_v1_security_proto_rawDesc = nil
+	file_pkg_apis_security_v1_security_proto_goTypes = nil
+	file_pkg_apis_security_v1_security_proto_depIdxs = nil
+}
--- a/pkg/apis/security/v1/security.pb.validate.go
+++ b/pkg/apis/security/v1/security.pb.validate.go
@ -0,0 +1,273 @@
+// Code generated by protoc-gen-validate. DO NOT EDIT.
+// source: pkg/apis/security/v1/security.proto
+
+package security
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"net"
+	"net/mail"
+	"net/url"
+	"regexp"
+	"sort"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"google.golang.org/protobuf/types/known/anypb"
+)
+
+// ensure the imports are used
+var (
+	_ = bytes.MinRead
+	_ = errors.New("")
+	_ = fmt.Print
+	_ = utf8.UTFMax
+	_ = (*regexp.Regexp)(nil)
+	_ = (*strings.Reader)(nil)
+	_ = net.IPv4len
+	_ = time.Duration(0)
+	_ = (*url.URL)(nil)
+	_ = (*mail.Address)(nil)
+	_ = anypb.Any{}
+	_ = sort.Sort
+)
+
+// Validate checks the field values on CertificateRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the first error encountered is returned, or nil if there are no violations.
+func (m *CertificateRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CertificateRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// CertificateRequestMultiError, or nil if none found.
+func (m *CertificateRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CertificateRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetCsr()) < 1 {
+		err := CertificateRequestValidationError{
+			field:  "Csr",
+			reason: "value length must be at least 1 bytes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if m.GetValidityPeriod() == nil {
+		err := CertificateRequestValidationError{
+			field:  "ValidityPeriod",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return CertificateRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// CertificateRequestMultiError is an error wrapping multiple validation errors
+// returned by CertificateRequest.ValidateAll() if the designated constraints
+// aren't met.
+type CertificateRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CertificateRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CertificateRequestMultiError) AllErrors() []error { return m }
+
+// CertificateRequestValidationError is the validation error returned by
+// CertificateRequest.Validate if the designated constraints aren't met.
+type CertificateRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CertificateRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CertificateRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CertificateRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CertificateRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CertificateRequestValidationError) ErrorName() string {
+	return "CertificateRequestValidationError"
+}
+
+// Error satisfies the builtin error interface
+func (e CertificateRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCertificateRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CertificateRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CertificateRequestValidationError{}
+
+// Validate checks the field values on CertificateResponse with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the first error encountered is returned, or nil if there are no violations.
+func (m *CertificateResponse) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on CertificateResponse with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// CertificateResponseMultiError, or nil if none found.
+func (m *CertificateResponse) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *CertificateResponse) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetCertificateChain()) < 1 {
+		err := CertificateResponseValidationError{
+			field:  "CertificateChain",
+			reason: "value must contain at least 1 item(s)",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return CertificateResponseMultiError(errors)
+	}
+
+	return nil
+}
+
+// CertificateResponseMultiError is an error wrapping multiple validation
+// errors returned by CertificateResponse.ValidateAll() if the designated
+// constraints aren't met.
+type CertificateResponseMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m CertificateResponseMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m CertificateResponseMultiError) AllErrors() []error { return m }
+
+// CertificateResponseValidationError is the validation error returned by
+// CertificateResponse.Validate if the designated constraints aren't met.
+type CertificateResponseValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e CertificateResponseValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e CertificateResponseValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e CertificateResponseValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e CertificateResponseValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e CertificateResponseValidationError) ErrorName() string {
+	return "CertificateResponseValidationError"
+}
+
+// Error satisfies the builtin error interface
+func (e CertificateResponseValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sCertificateResponse.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = CertificateResponseValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = CertificateResponseValidationError{}
--- a/pkg/apis/security/v1/security.proto
+++ b/pkg/apis/security/v1/security.proto
@ -0,0 +1,54 @@
+/*
+ *     Copyright 2022 The Dragonfly Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+
+package security;
+
+import "google/protobuf/duration.proto";
+import "validate/validate.proto";
+
+option go_package = "d7y.io/api/v2/pkg/apis/security/v1;security";
+
+// Refer: https://github.com/istio/api/blob/master/security/v1alpha1/ca.proto
+// Istio defines similar api for signing certificate, but it's not applicable in Dragonfly.
+
+// Certificate request type.
+// Dragonfly supports peers authentication with Mutual TLS(mTLS)
+// For mTLS, all peers need to request TLS certificates for communicating
+// The server side may overwrite ant requested certificate filed based on its policies.
+message CertificateRequest {
+  // ASN.1 DER form certificate request.
+  // The public key in the CSR is used to generate the certificate,
+  // and other fields in the generated certificate may be overwritten by the CA.
+  bytes csr = 1 [(validate.rules).bytes.min_len = 1];
+  // Optional: requested certificate validity period.
+  google.protobuf.Duration validity_period = 2 [(validate.rules).duration.required = true];
+}
+
+// Certificate response type.
+message CertificateResponse {
+  // ASN.1 DER form certificate chain.
+  repeated bytes certificate_chain = 1 [(validate.rules).repeated.min_items = 1];
+}
+
+// Service for managing certificates issued by the CA.
+service Certificate {
+  // Using provided CSR, returns a signed certificate.
+  rpc IssueCertificate(CertificateRequest)
+      returns (CertificateResponse) {
+  }
+}
--- a/pkg/apis/security/v1/security_grpc.pb.go
+++ b/pkg/apis/security/v1/security_grpc.pb.go
@ -0,0 +1,105 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.6
+// source: pkg/apis/security/v1/security.proto
+
+package security
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// CertificateClient is the client API for Certificate service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type CertificateClient interface {
+	// Using provided CSR, returns a signed certificate.
+	IssueCertificate(ctx context.Context, in *CertificateRequest, opts ...grpc.CallOption) (*CertificateResponse, error)
+}
+
+type certificateClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewCertificateClient(cc grpc.ClientConnInterface) CertificateClient {
+	return &certificateClient{cc}
+}
+
+func (c *certificateClient) IssueCertificate(ctx context.Context, in *CertificateRequest, opts ...grpc.CallOption) (*CertificateResponse, error) {
+	out := new(CertificateResponse)
+	err := c.cc.Invoke(ctx, "/security.Certificate/IssueCertificate", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// CertificateServer is the server API for Certificate service.
+// All implementations should embed UnimplementedCertificateServer
+// for forward compatibility
+type CertificateServer interface {
+	// Using provided CSR, returns a signed certificate.
+	IssueCertificate(context.Context, *CertificateRequest) (*CertificateResponse, error)
+}
+
+// UnimplementedCertificateServer should be embedded to have forward compatible implementations.
+type UnimplementedCertificateServer struct {
+}
+
+func (UnimplementedCertificateServer) IssueCertificate(context.Context, *CertificateRequest) (*CertificateResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method IssueCertificate not implemented")
+}
+
+// UnsafeCertificateServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to CertificateServer will
+// result in compilation errors.
+type UnsafeCertificateServer interface {
+	mustEmbedUnimplementedCertificateServer()
+}
+
+func RegisterCertificateServer(s grpc.ServiceRegistrar, srv CertificateServer) {
+	s.RegisterService(&Certificate_ServiceDesc, srv)
+}
+
+func _Certificate_IssueCertificate_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CertificateRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(CertificateServer).IssueCertificate(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/security.Certificate/IssueCertificate",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(CertificateServer).IssueCertificate(ctx, req.(*CertificateRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Certificate_ServiceDesc is the grpc.ServiceDesc for Certificate service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Certificate_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "security.Certificate",
+	HandlerType: (*CertificateServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "IssueCertificate",
+			Handler:    _Certificate_IssueCertificate_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "pkg/apis/security/v1/security.proto",
+}
--- a/pkg/apis/trainer/v1/mocks/mocks.go
+++ b/pkg/apis/trainer/v1/mocks/mocks.go
@ -0,0 +1,19 @@
+/*
+ *     Copyright 2023 The Dragonfly Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package mocks
+
+//go:generate mockgen -destination trainer_mock.go -source ../trainer_grpc.pb.go -package mocks
--- a/pkg/apis/trainer/v1/mocks/trainer_mock.go
+++ b/pkg/apis/trainer/v1/mocks/trainer_mock.go
@ -0,0 +1,402 @@
+// Code generated by MockGen. DO NOT EDIT.
+// Source: ../trainer_grpc.pb.go
+
+// Package mocks is a generated GoMock package.
+package mocks
+
+import (
+	context "context"
+	reflect "reflect"
+
+	trainer "d7y.io/api/v2/pkg/apis/trainer/v1"
+	gomock "github.com/golang/mock/gomock"
+	grpc "google.golang.org/grpc"
+	metadata "google.golang.org/grpc/metadata"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+)
+
+// MockTrainerClient is a mock of TrainerClient interface.
+type MockTrainerClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockTrainerClientMockRecorder
+}
+
+// MockTrainerClientMockRecorder is the mock recorder for MockTrainerClient.
+type MockTrainerClientMockRecorder struct {
+	mock *MockTrainerClient
+}
+
+// NewMockTrainerClient creates a new mock instance.
+func NewMockTrainerClient(ctrl *gomock.Controller) *MockTrainerClient {
+	mock := &MockTrainerClient{ctrl: ctrl}
+	mock.recorder = &MockTrainerClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTrainerClient) EXPECT() *MockTrainerClientMockRecorder {
+	return m.recorder
+}
+
+// Train mocks base method.
+func (m *MockTrainerClient) Train(ctx context.Context, opts ...grpc.CallOption) (trainer.Trainer_TrainClient, error) {
+	m.ctrl.T.Helper()
+	varargs := []interface{}{ctx}
+	for _, a := range opts {
+		varargs = append(varargs, a)
+	}
+	ret := m.ctrl.Call(m, "Train", varargs...)
+	ret0, _ := ret[0].(trainer.Trainer_TrainClient)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Train indicates an expected call of Train.
+func (mr *MockTrainerClientMockRecorder) Train(ctx interface{}, opts ...interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	varargs := append([]interface{}{ctx}, opts...)
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Train", reflect.TypeOf((*MockTrainerClient)(nil).Train), varargs...)
+}
+
+// MockTrainer_TrainClient is a mock of Trainer_TrainClient interface.
+type MockTrainer_TrainClient struct {
+	ctrl     *gomock.Controller
+	recorder *MockTrainer_TrainClientMockRecorder
+}
+
+// MockTrainer_TrainClientMockRecorder is the mock recorder for MockTrainer_TrainClient.
+type MockTrainer_TrainClientMockRecorder struct {
+	mock *MockTrainer_TrainClient
+}
+
+// NewMockTrainer_TrainClient creates a new mock instance.
+func NewMockTrainer_TrainClient(ctrl *gomock.Controller) *MockTrainer_TrainClient {
+	mock := &MockTrainer_TrainClient{ctrl: ctrl}
+	mock.recorder = &MockTrainer_TrainClientMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTrainer_TrainClient) EXPECT() *MockTrainer_TrainClientMockRecorder {
+	return m.recorder
+}
+
+// CloseAndRecv mocks base method.
+func (m *MockTrainer_TrainClient) CloseAndRecv() (*emptypb.Empty, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CloseAndRecv")
+	ret0, _ := ret[0].(*emptypb.Empty)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// CloseAndRecv indicates an expected call of CloseAndRecv.
+func (mr *MockTrainer_TrainClientMockRecorder) CloseAndRecv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseAndRecv", reflect.TypeOf((*MockTrainer_TrainClient)(nil).CloseAndRecv))
+}
+
+// CloseSend mocks base method.
+func (m *MockTrainer_TrainClient) CloseSend() error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "CloseSend")
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// CloseSend indicates an expected call of CloseSend.
+func (mr *MockTrainer_TrainClientMockRecorder) CloseSend() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "CloseSend", reflect.TypeOf((*MockTrainer_TrainClient)(nil).CloseSend))
+}
+
+// Context mocks base method.
+func (m *MockTrainer_TrainClient) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockTrainer_TrainClientMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockTrainer_TrainClient)(nil).Context))
+}
+
+// Header mocks base method.
+func (m *MockTrainer_TrainClient) Header() (metadata.MD, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Header")
+	ret0, _ := ret[0].(metadata.MD)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Header indicates an expected call of Header.
+func (mr *MockTrainer_TrainClientMockRecorder) Header() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Header", reflect.TypeOf((*MockTrainer_TrainClient)(nil).Header))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockTrainer_TrainClient) RecvMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockTrainer_TrainClientMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockTrainer_TrainClient)(nil).RecvMsg), m)
+}
+
+// Send mocks base method.
+func (m *MockTrainer_TrainClient) Send(arg0 *trainer.TrainRequest) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Send", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Send indicates an expected call of Send.
+func (mr *MockTrainer_TrainClientMockRecorder) Send(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Send", reflect.TypeOf((*MockTrainer_TrainClient)(nil).Send), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockTrainer_TrainClient) SendMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockTrainer_TrainClientMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockTrainer_TrainClient)(nil).SendMsg), m)
+}
+
+// Trailer mocks base method.
+func (m *MockTrainer_TrainClient) Trailer() metadata.MD {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Trailer")
+	ret0, _ := ret[0].(metadata.MD)
+	return ret0
+}
+
+// Trailer indicates an expected call of Trailer.
+func (mr *MockTrainer_TrainClientMockRecorder) Trailer() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Trailer", reflect.TypeOf((*MockTrainer_TrainClient)(nil).Trailer))
+}
+
+// MockTrainerServer is a mock of TrainerServer interface.
+type MockTrainerServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockTrainerServerMockRecorder
+}
+
+// MockTrainerServerMockRecorder is the mock recorder for MockTrainerServer.
+type MockTrainerServerMockRecorder struct {
+	mock *MockTrainerServer
+}
+
+// NewMockTrainerServer creates a new mock instance.
+func NewMockTrainerServer(ctrl *gomock.Controller) *MockTrainerServer {
+	mock := &MockTrainerServer{ctrl: ctrl}
+	mock.recorder = &MockTrainerServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTrainerServer) EXPECT() *MockTrainerServerMockRecorder {
+	return m.recorder
+}
+
+// Train mocks base method.
+func (m *MockTrainerServer) Train(arg0 trainer.Trainer_TrainServer) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Train", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// Train indicates an expected call of Train.
+func (mr *MockTrainerServerMockRecorder) Train(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Train", reflect.TypeOf((*MockTrainerServer)(nil).Train), arg0)
+}
+
+// MockUnsafeTrainerServer is a mock of UnsafeTrainerServer interface.
+type MockUnsafeTrainerServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockUnsafeTrainerServerMockRecorder
+}
+
+// MockUnsafeTrainerServerMockRecorder is the mock recorder for MockUnsafeTrainerServer.
+type MockUnsafeTrainerServerMockRecorder struct {
+	mock *MockUnsafeTrainerServer
+}
+
+// NewMockUnsafeTrainerServer creates a new mock instance.
+func NewMockUnsafeTrainerServer(ctrl *gomock.Controller) *MockUnsafeTrainerServer {
+	mock := &MockUnsafeTrainerServer{ctrl: ctrl}
+	mock.recorder = &MockUnsafeTrainerServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockUnsafeTrainerServer) EXPECT() *MockUnsafeTrainerServerMockRecorder {
+	return m.recorder
+}
+
+// mustEmbedUnimplementedTrainerServer mocks base method.
+func (m *MockUnsafeTrainerServer) mustEmbedUnimplementedTrainerServer() {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "mustEmbedUnimplementedTrainerServer")
+}
+
+// mustEmbedUnimplementedTrainerServer indicates an expected call of mustEmbedUnimplementedTrainerServer.
+func (mr *MockUnsafeTrainerServerMockRecorder) mustEmbedUnimplementedTrainerServer() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "mustEmbedUnimplementedTrainerServer", reflect.TypeOf((*MockUnsafeTrainerServer)(nil).mustEmbedUnimplementedTrainerServer))
+}
+
+// MockTrainer_TrainServer is a mock of Trainer_TrainServer interface.
+type MockTrainer_TrainServer struct {
+	ctrl     *gomock.Controller
+	recorder *MockTrainer_TrainServerMockRecorder
+}
+
+// MockTrainer_TrainServerMockRecorder is the mock recorder for MockTrainer_TrainServer.
+type MockTrainer_TrainServerMockRecorder struct {
+	mock *MockTrainer_TrainServer
+}
+
+// NewMockTrainer_TrainServer creates a new mock instance.
+func NewMockTrainer_TrainServer(ctrl *gomock.Controller) *MockTrainer_TrainServer {
+	mock := &MockTrainer_TrainServer{ctrl: ctrl}
+	mock.recorder = &MockTrainer_TrainServerMockRecorder{mock}
+	return mock
+}
+
+// EXPECT returns an object that allows the caller to indicate expected use.
+func (m *MockTrainer_TrainServer) EXPECT() *MockTrainer_TrainServerMockRecorder {
+	return m.recorder
+}
+
+// Context mocks base method.
+func (m *MockTrainer_TrainServer) Context() context.Context {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Context")
+	ret0, _ := ret[0].(context.Context)
+	return ret0
+}
+
+// Context indicates an expected call of Context.
+func (mr *MockTrainer_TrainServerMockRecorder) Context() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Context", reflect.TypeOf((*MockTrainer_TrainServer)(nil).Context))
+}
+
+// Recv mocks base method.
+func (m *MockTrainer_TrainServer) Recv() (*trainer.TrainRequest, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "Recv")
+	ret0, _ := ret[0].(*trainer.TrainRequest)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// Recv indicates an expected call of Recv.
+func (mr *MockTrainer_TrainServerMockRecorder) Recv() *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "Recv", reflect.TypeOf((*MockTrainer_TrainServer)(nil).Recv))
+}
+
+// RecvMsg mocks base method.
+func (m_2 *MockTrainer_TrainServer) RecvMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "RecvMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// RecvMsg indicates an expected call of RecvMsg.
+func (mr *MockTrainer_TrainServerMockRecorder) RecvMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "RecvMsg", reflect.TypeOf((*MockTrainer_TrainServer)(nil).RecvMsg), m)
+}
+
+// SendAndClose mocks base method.
+func (m *MockTrainer_TrainServer) SendAndClose(arg0 *emptypb.Empty) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendAndClose", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendAndClose indicates an expected call of SendAndClose.
+func (mr *MockTrainer_TrainServerMockRecorder) SendAndClose(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendAndClose", reflect.TypeOf((*MockTrainer_TrainServer)(nil).SendAndClose), arg0)
+}
+
+// SendHeader mocks base method.
+func (m *MockTrainer_TrainServer) SendHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SendHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendHeader indicates an expected call of SendHeader.
+func (mr *MockTrainer_TrainServerMockRecorder) SendHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendHeader", reflect.TypeOf((*MockTrainer_TrainServer)(nil).SendHeader), arg0)
+}
+
+// SendMsg mocks base method.
+func (m_2 *MockTrainer_TrainServer) SendMsg(m any) error {
+	m_2.ctrl.T.Helper()
+	ret := m_2.ctrl.Call(m_2, "SendMsg", m)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SendMsg indicates an expected call of SendMsg.
+func (mr *MockTrainer_TrainServerMockRecorder) SendMsg(m interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SendMsg", reflect.TypeOf((*MockTrainer_TrainServer)(nil).SendMsg), m)
+}
+
+// SetHeader mocks base method.
+func (m *MockTrainer_TrainServer) SetHeader(arg0 metadata.MD) error {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "SetHeader", arg0)
+	ret0, _ := ret[0].(error)
+	return ret0
+}
+
+// SetHeader indicates an expected call of SetHeader.
+func (mr *MockTrainer_TrainServerMockRecorder) SetHeader(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetHeader", reflect.TypeOf((*MockTrainer_TrainServer)(nil).SetHeader), arg0)
+}
+
+// SetTrailer mocks base method.
+func (m *MockTrainer_TrainServer) SetTrailer(arg0 metadata.MD) {
+	m.ctrl.T.Helper()
+	m.ctrl.Call(m, "SetTrailer", arg0)
+}
+
+// SetTrailer indicates an expected call of SetTrailer.
+func (mr *MockTrainer_TrainServerMockRecorder) SetTrailer(arg0 interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "SetTrailer", reflect.TypeOf((*MockTrainer_TrainServer)(nil).SetTrailer), arg0)
+}
--- a/pkg/apis/trainer/v1/trainer.pb.go
+++ b/pkg/apis/trainer/v1/trainer.pb.go
@ -0,0 +1,376 @@
+//
+//     Copyright 2023 The Dragonfly Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v3.21.6
+// source: pkg/apis/trainer/v1/trainer.proto
+
+package trainer
+
+import (
+	_ "github.com/envoyproxy/protoc-gen-validate/validate"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+// TrainGNNRequest represents to train GNN model request of TrainRequest.
+type TrainGNNRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Dataset of training GNN.
+	Dataset []byte `protobuf:"bytes,1,opt,name=dataset,proto3" json:"dataset,omitempty"`
+}
+
+func (x *TrainGNNRequest) Reset() {
+	*x = TrainGNNRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_apis_trainer_v1_trainer_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TrainGNNRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TrainGNNRequest) ProtoMessage() {}
+
+func (x *TrainGNNRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_apis_trainer_v1_trainer_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TrainGNNRequest.ProtoReflect.Descriptor instead.
+func (*TrainGNNRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_apis_trainer_v1_trainer_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *TrainGNNRequest) GetDataset() []byte {
+	if x != nil {
+		return x.Dataset
+	}
+	return nil
+}
+
+// TrainMLPRequest represents to train MLP model request of TrainRequest.
+type TrainMLPRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Dataset of training MLP.
+	Dataset []byte `protobuf:"bytes,1,opt,name=dataset,proto3" json:"dataset,omitempty"`
+}
+
+func (x *TrainMLPRequest) Reset() {
+	*x = TrainMLPRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_apis_trainer_v1_trainer_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TrainMLPRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TrainMLPRequest) ProtoMessage() {}
+
+func (x *TrainMLPRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_apis_trainer_v1_trainer_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TrainMLPRequest.ProtoReflect.Descriptor instead.
+func (*TrainMLPRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_apis_trainer_v1_trainer_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *TrainMLPRequest) GetDataset() []byte {
+	if x != nil {
+		return x.Dataset
+	}
+	return nil
+}
+
+// TrainRequest represents request of Train.
+type TrainRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Scheduler hostname.
+	Hostname string `protobuf:"bytes,1,opt,name=hostname,proto3" json:"hostname,omitempty"`
+	// Scheduler ip.
+	Ip string `protobuf:"bytes,2,opt,name=ip,proto3" json:"ip,omitempty"`
+	// Types that are assignable to Request:
+	//
+	//	*TrainRequest_TrainGnnRequest
+	//	*TrainRequest_TrainMlpRequest
+	Request isTrainRequest_Request `protobuf_oneof:"request"`
+}
+
+func (x *TrainRequest) Reset() {
+	*x = TrainRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_pkg_apis_trainer_v1_trainer_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *TrainRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*TrainRequest) ProtoMessage() {}
+
+func (x *TrainRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_pkg_apis_trainer_v1_trainer_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use TrainRequest.ProtoReflect.Descriptor instead.
+func (*TrainRequest) Descriptor() ([]byte, []int) {
+	return file_pkg_apis_trainer_v1_trainer_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *TrainRequest) GetHostname() string {
+	if x != nil {
+		return x.Hostname
+	}
+	return ""
+}
+
+func (x *TrainRequest) GetIp() string {
+	if x != nil {
+		return x.Ip
+	}
+	return ""
+}
+
+func (m *TrainRequest) GetRequest() isTrainRequest_Request {
+	if m != nil {
+		return m.Request
+	}
+	return nil
+}
+
+func (x *TrainRequest) GetTrainGnnRequest() *TrainGNNRequest {
+	if x, ok := x.GetRequest().(*TrainRequest_TrainGnnRequest); ok {
+		return x.TrainGnnRequest
+	}
+	return nil
+}
+
+func (x *TrainRequest) GetTrainMlpRequest() *TrainMLPRequest {
+	if x, ok := x.GetRequest().(*TrainRequest_TrainMlpRequest); ok {
+		return x.TrainMlpRequest
+	}
+	return nil
+}
+
+type isTrainRequest_Request interface {
+	isTrainRequest_Request()
+}
+
+type TrainRequest_TrainGnnRequest struct {
+	TrainGnnRequest *TrainGNNRequest `protobuf:"bytes,3,opt,name=train_gnn_request,json=trainGnnRequest,proto3,oneof"`
+}
+
+type TrainRequest_TrainMlpRequest struct {
+	TrainMlpRequest *TrainMLPRequest `protobuf:"bytes,4,opt,name=train_mlp_request,json=trainMlpRequest,proto3,oneof"`
+}
+
+func (*TrainRequest_TrainGnnRequest) isTrainRequest_Request() {}
+
+func (*TrainRequest_TrainMlpRequest) isTrainRequest_Request() {}
+
+var File_pkg_apis_trainer_v1_trainer_proto protoreflect.FileDescriptor
+
+var file_pkg_apis_trainer_v1_trainer_proto_rawDesc = []byte{
+	0x0a, 0x21, 0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x74, 0x72, 0x61, 0x69, 0x6e,
+	0x65, 0x72, 0x2f, 0x76, 0x31, 0x2f, 0x74, 0x72, 0x61, 0x69, 0x6e, 0x65, 0x72, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x12, 0x0a, 0x74, 0x72, 0x61, 0x69, 0x6e, 0x65, 0x72, 0x2e, 0x76, 0x31, 0x1a,
+	0x1b, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
+	0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x1a, 0x17, 0x76, 0x61,
+	0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2f, 0x76, 0x61, 0x6c, 0x69, 0x64, 0x61, 0x74, 0x65, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x34, 0x0a, 0x0f, 0x54, 0x72, 0x61, 0x69, 0x6e, 0x47, 0x4e,
+	0x4e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x21, 0x0a, 0x07, 0x64, 0x61, 0x74, 0x61,
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+	0x72, 0x61, 0x69, 0x6e, 0x4d, 0x4c, 0x50, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x21,
+	0x0a, 0x07, 0x64, 0x61, 0x74, 0x61, 0x73, 0x65, 0x74, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x42,
+	0x07, 0xfa, 0x42, 0x04, 0x7a, 0x02, 0x10, 0x01, 0x52, 0x07, 0x64, 0x61, 0x74, 0x61, 0x73, 0x65,
+	0x74, 0x22, 0xf2, 0x01, 0x0a, 0x0c, 0x54, 0x72, 0x61, 0x69, 0x6e, 0x52, 0x65, 0x71, 0x75, 0x65,
+	0x73, 0x74, 0x12, 0x23, 0x0a, 0x08, 0x68, 0x6f, 0x73, 0x74, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01,
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+	0x6f, 0x73, 0x74, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x17, 0x0a, 0x02, 0x69, 0x70, 0x18, 0x02, 0x20,
+	0x01, 0x28, 0x09, 0x42, 0x07, 0xfa, 0x42, 0x04, 0x72, 0x02, 0x70, 0x01, 0x52, 0x02, 0x69, 0x70,
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+	0x6e, 0x47, 0x6e, 0x6e, 0x52, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x12, 0x49, 0x0a, 0x11, 0x74,
+	0x72, 0x61, 0x69, 0x6e, 0x5f, 0x6d, 0x6c, 0x70, 0x5f, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73, 0x74,
+	0x18, 0x04, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x74, 0x72, 0x61, 0x69, 0x6e, 0x65, 0x72,
+	0x2e, 0x76, 0x31, 0x2e, 0x54, 0x72, 0x61, 0x69, 0x6e, 0x4d, 0x4c, 0x50, 0x52, 0x65, 0x71, 0x75,
+	0x65, 0x73, 0x74, 0x48, 0x00, 0x52, 0x0f, 0x74, 0x72, 0x61, 0x69, 0x6e, 0x4d, 0x6c, 0x70, 0x52,
+	0x65, 0x71, 0x75, 0x65, 0x73, 0x74, 0x42, 0x0e, 0x0a, 0x07, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73,
+	0x74, 0x12, 0x03, 0xf8, 0x42, 0x01, 0x32, 0x46, 0x0a, 0x07, 0x54, 0x72, 0x61, 0x69, 0x6e, 0x65,
+	0x72, 0x12, 0x3b, 0x0a, 0x05, 0x54, 0x72, 0x61, 0x69, 0x6e, 0x12, 0x18, 0x2e, 0x74, 0x72, 0x61,
+	0x69, 0x6e, 0x65, 0x72, 0x2e, 0x76, 0x31, 0x2e, 0x54, 0x72, 0x61, 0x69, 0x6e, 0x52, 0x65, 0x71,
+	0x75, 0x65, 0x73, 0x74, 0x1a, 0x16, 0x2e, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x28, 0x01, 0x42, 0x2b,
+	0x5a, 0x29, 0x64, 0x37, 0x79, 0x2e, 0x69, 0x6f, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f,
+	0x70, 0x6b, 0x67, 0x2f, 0x61, 0x70, 0x69, 0x73, 0x2f, 0x74, 0x72, 0x61, 0x69, 0x6e, 0x65, 0x72,
+	0x2f, 0x76, 0x31, 0x3b, 0x74, 0x72, 0x61, 0x69, 0x6e, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f,
+	0x74, 0x6f, 0x33,
+}
+
+var (
+	file_pkg_apis_trainer_v1_trainer_proto_rawDescOnce sync.Once
+	file_pkg_apis_trainer_v1_trainer_proto_rawDescData = file_pkg_apis_trainer_v1_trainer_proto_rawDesc
+)
+
+func file_pkg_apis_trainer_v1_trainer_proto_rawDescGZIP() []byte {
+	file_pkg_apis_trainer_v1_trainer_proto_rawDescOnce.Do(func() {
+		file_pkg_apis_trainer_v1_trainer_proto_rawDescData = protoimpl.X.CompressGZIP(file_pkg_apis_trainer_v1_trainer_proto_rawDescData)
+	})
+	return file_pkg_apis_trainer_v1_trainer_proto_rawDescData
+}
+
+var file_pkg_apis_trainer_v1_trainer_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_pkg_apis_trainer_v1_trainer_proto_goTypes = []interface{}{
+	(*TrainGNNRequest)(nil), // 0: trainer.v1.TrainGNNRequest
+	(*TrainMLPRequest)(nil), // 1: trainer.v1.TrainMLPRequest
+	(*TrainRequest)(nil),    // 2: trainer.v1.TrainRequest
+	(*emptypb.Empty)(nil),   // 3: google.protobuf.Empty
+}
+var file_pkg_apis_trainer_v1_trainer_proto_depIdxs = []int32{
+	0, // 0: trainer.v1.TrainRequest.train_gnn_request:type_name -> trainer.v1.TrainGNNRequest
+	1, // 1: trainer.v1.TrainRequest.train_mlp_request:type_name -> trainer.v1.TrainMLPRequest
+	2, // 2: trainer.v1.Trainer.Train:input_type -> trainer.v1.TrainRequest
+	3, // 3: trainer.v1.Trainer.Train:output_type -> google.protobuf.Empty
+	3, // [3:4] is the sub-list for method output_type
+	2, // [2:3] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_pkg_apis_trainer_v1_trainer_proto_init() }
+func file_pkg_apis_trainer_v1_trainer_proto_init() {
+	if File_pkg_apis_trainer_v1_trainer_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_pkg_apis_trainer_v1_trainer_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TrainGNNRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_apis_trainer_v1_trainer_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TrainMLPRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_pkg_apis_trainer_v1_trainer_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*TrainRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	file_pkg_apis_trainer_v1_trainer_proto_msgTypes[2].OneofWrappers = []interface{}{
+		(*TrainRequest_TrainGnnRequest)(nil),
+		(*TrainRequest_TrainMlpRequest)(nil),
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_pkg_apis_trainer_v1_trainer_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_pkg_apis_trainer_v1_trainer_proto_goTypes,
+		DependencyIndexes: file_pkg_apis_trainer_v1_trainer_proto_depIdxs,
+		MessageInfos:      file_pkg_apis_trainer_v1_trainer_proto_msgTypes,
+	}.Build()
+	File_pkg_apis_trainer_v1_trainer_proto = out.File
+	file_pkg_apis_trainer_v1_trainer_proto_rawDesc = nil
+	file_pkg_apis_trainer_v1_trainer_proto_goTypes = nil
+	file_pkg_apis_trainer_v1_trainer_proto_depIdxs = nil
+}
--- a/pkg/apis/trainer/v1/trainer.pb.validate.go
+++ b/pkg/apis/trainer/v1/trainer.pb.validate.go
@ -0,0 +1,479 @@
+// Code generated by protoc-gen-validate. DO NOT EDIT.
+// source: pkg/apis/trainer/v1/trainer.proto
+
+package trainer
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"net"
+	"net/mail"
+	"net/url"
+	"regexp"
+	"sort"
+	"strings"
+	"time"
+	"unicode/utf8"
+
+	"google.golang.org/protobuf/types/known/anypb"
+)
+
+// ensure the imports are used
+var (
+	_ = bytes.MinRead
+	_ = errors.New("")
+	_ = fmt.Print
+	_ = utf8.UTFMax
+	_ = (*regexp.Regexp)(nil)
+	_ = (*strings.Reader)(nil)
+	_ = net.IPv4len
+	_ = time.Duration(0)
+	_ = (*url.URL)(nil)
+	_ = (*mail.Address)(nil)
+	_ = anypb.Any{}
+	_ = sort.Sort
+)
+
+// Validate checks the field values on TrainGNNRequest with the rules defined
+// in the proto definition for this message. If any rules are violated, the
+// first error encountered is returned, or nil if there are no violations.
+func (m *TrainGNNRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on TrainGNNRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// TrainGNNRequestMultiError, or nil if none found.
+func (m *TrainGNNRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *TrainGNNRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetDataset()) < 1 {
+		err := TrainGNNRequestValidationError{
+			field:  "Dataset",
+			reason: "value length must be at least 1 bytes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return TrainGNNRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// TrainGNNRequestMultiError is an error wrapping multiple validation errors
+// returned by TrainGNNRequest.ValidateAll() if the designated constraints
+// aren't met.
+type TrainGNNRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m TrainGNNRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m TrainGNNRequestMultiError) AllErrors() []error { return m }
+
+// TrainGNNRequestValidationError is the validation error returned by
+// TrainGNNRequest.Validate if the designated constraints aren't met.
+type TrainGNNRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e TrainGNNRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e TrainGNNRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e TrainGNNRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e TrainGNNRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e TrainGNNRequestValidationError) ErrorName() string { return "TrainGNNRequestValidationError" }
+
+// Error satisfies the builtin error interface
+func (e TrainGNNRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sTrainGNNRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = TrainGNNRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = TrainGNNRequestValidationError{}
+
+// Validate checks the field values on TrainMLPRequest with the rules defined
+// in the proto definition for this message. If any rules are violated, the
+// first error encountered is returned, or nil if there are no violations.
+func (m *TrainMLPRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on TrainMLPRequest with the rules
+// defined in the proto definition for this message. If any rules are
+// violated, the result is a list of violation errors wrapped in
+// TrainMLPRequestMultiError, or nil if none found.
+func (m *TrainMLPRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *TrainMLPRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if len(m.GetDataset()) < 1 {
+		err := TrainMLPRequestValidationError{
+			field:  "Dataset",
+			reason: "value length must be at least 1 bytes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return TrainMLPRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// TrainMLPRequestMultiError is an error wrapping multiple validation errors
+// returned by TrainMLPRequest.ValidateAll() if the designated constraints
+// aren't met.
+type TrainMLPRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m TrainMLPRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m TrainMLPRequestMultiError) AllErrors() []error { return m }
+
+// TrainMLPRequestValidationError is the validation error returned by
+// TrainMLPRequest.Validate if the designated constraints aren't met.
+type TrainMLPRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e TrainMLPRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e TrainMLPRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e TrainMLPRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e TrainMLPRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e TrainMLPRequestValidationError) ErrorName() string { return "TrainMLPRequestValidationError" }
+
+// Error satisfies the builtin error interface
+func (e TrainMLPRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sTrainMLPRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = TrainMLPRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = TrainMLPRequestValidationError{}
+
+// Validate checks the field values on TrainRequest with the rules defined in
+// the proto definition for this message. If any rules are violated, the first
+// error encountered is returned, or nil if there are no violations.
+func (m *TrainRequest) Validate() error {
+	return m.validate(false)
+}
+
+// ValidateAll checks the field values on TrainRequest with the rules defined
+// in the proto definition for this message. If any rules are violated, the
+// result is a list of violation errors wrapped in TrainRequestMultiError, or
+// nil if none found.
+func (m *TrainRequest) ValidateAll() error {
+	return m.validate(true)
+}
+
+func (m *TrainRequest) validate(all bool) error {
+	if m == nil {
+		return nil
+	}
+
+	var errors []error
+
+	if utf8.RuneCountInString(m.GetHostname()) < 1 {
+		err := TrainRequestValidationError{
+			field:  "Hostname",
+			reason: "value length must be at least 1 runes",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if ip := net.ParseIP(m.GetIp()); ip == nil {
+		err := TrainRequestValidationError{
+			field:  "Ip",
+			reason: "value must be a valid IP address",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	oneofRequestPresent := false
+	switch v := m.Request.(type) {
+	case *TrainRequest_TrainGnnRequest:
+		if v == nil {
+			err := TrainRequestValidationError{
+				field:  "Request",
+				reason: "oneof value cannot be a typed-nil",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+		oneofRequestPresent = true
+
+		if all {
+			switch v := interface{}(m.GetTrainGnnRequest()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, TrainRequestValidationError{
+						field:  "TrainGnnRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, TrainRequestValidationError{
+						field:  "TrainGnnRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetTrainGnnRequest()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return TrainRequestValidationError{
+					field:  "TrainGnnRequest",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	case *TrainRequest_TrainMlpRequest:
+		if v == nil {
+			err := TrainRequestValidationError{
+				field:  "Request",
+				reason: "oneof value cannot be a typed-nil",
+			}
+			if !all {
+				return err
+			}
+			errors = append(errors, err)
+		}
+		oneofRequestPresent = true
+
+		if all {
+			switch v := interface{}(m.GetTrainMlpRequest()).(type) {
+			case interface{ ValidateAll() error }:
+				if err := v.ValidateAll(); err != nil {
+					errors = append(errors, TrainRequestValidationError{
+						field:  "TrainMlpRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			case interface{ Validate() error }:
+				if err := v.Validate(); err != nil {
+					errors = append(errors, TrainRequestValidationError{
+						field:  "TrainMlpRequest",
+						reason: "embedded message failed validation",
+						cause:  err,
+					})
+				}
+			}
+		} else if v, ok := interface{}(m.GetTrainMlpRequest()).(interface{ Validate() error }); ok {
+			if err := v.Validate(); err != nil {
+				return TrainRequestValidationError{
+					field:  "TrainMlpRequest",
+					reason: "embedded message failed validation",
+					cause:  err,
+				}
+			}
+		}
+
+	default:
+		_ = v // ensures v is used
+	}
+	if !oneofRequestPresent {
+		err := TrainRequestValidationError{
+			field:  "Request",
+			reason: "value is required",
+		}
+		if !all {
+			return err
+		}
+		errors = append(errors, err)
+	}
+
+	if len(errors) > 0 {
+		return TrainRequestMultiError(errors)
+	}
+
+	return nil
+}
+
+// TrainRequestMultiError is an error wrapping multiple validation errors
+// returned by TrainRequest.ValidateAll() if the designated constraints aren't met.
+type TrainRequestMultiError []error
+
+// Error returns a concatenation of all the error messages it wraps.
+func (m TrainRequestMultiError) Error() string {
+	var msgs []string
+	for _, err := range m {
+		msgs = append(msgs, err.Error())
+	}
+	return strings.Join(msgs, "; ")
+}
+
+// AllErrors returns a list of validation violation errors.
+func (m TrainRequestMultiError) AllErrors() []error { return m }
+
+// TrainRequestValidationError is the validation error returned by
+// TrainRequest.Validate if the designated constraints aren't met.
+type TrainRequestValidationError struct {
+	field  string
+	reason string
+	cause  error
+	key    bool
+}
+
+// Field function returns field value.
+func (e TrainRequestValidationError) Field() string { return e.field }
+
+// Reason function returns reason value.
+func (e TrainRequestValidationError) Reason() string { return e.reason }
+
+// Cause function returns cause value.
+func (e TrainRequestValidationError) Cause() error { return e.cause }
+
+// Key function returns key value.
+func (e TrainRequestValidationError) Key() bool { return e.key }
+
+// ErrorName returns error name.
+func (e TrainRequestValidationError) ErrorName() string { return "TrainRequestValidationError" }
+
+// Error satisfies the builtin error interface
+func (e TrainRequestValidationError) Error() string {
+	cause := ""
+	if e.cause != nil {
+		cause = fmt.Sprintf(" | caused by: %v", e.cause)
+	}
+
+	key := ""
+	if e.key {
+		key = "key for "
+	}
+
+	return fmt.Sprintf(
+		"invalid %sTrainRequest.%s: %s%s",
+		key,
+		e.field,
+		e.reason,
+		cause)
+}
+
+var _ error = TrainRequestValidationError{}
+
+var _ interface {
+	Field() string
+	Reason() string
+	Key() bool
+	Cause() error
+	ErrorName() string
+} = TrainRequestValidationError{}
--- a/pkg/apis/trainer/v1/trainer.proto
+++ b/pkg/apis/trainer/v1/trainer.proto
@ -0,0 +1,57 @@
+/*
+ *     Copyright 2023 The Dragonfly Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+
+package trainer.v1;
+
+import "google/protobuf/empty.proto";
+import "validate/validate.proto";
+
+option go_package = "d7y.io/api/v2/pkg/apis/trainer/v1;trainer";
+
+// TrainGNNRequest represents to train GNN model request of TrainRequest.
+message TrainGNNRequest {
+  // Dataset of training GNN.
+  bytes dataset = 1 [(validate.rules).bytes.min_len = 1];
+}
+
+// TrainMLPRequest represents to train MLP model request of TrainRequest.
+message TrainMLPRequest {
+  // Dataset of training MLP.
+  bytes dataset = 1 [(validate.rules).bytes.min_len = 1];
+}
+
+// TrainRequest represents request of Train.
+message TrainRequest {
+  // Scheduler hostname.
+  string hostname = 1 [(validate.rules).string.min_len = 1];
+  // Scheduler ip.
+  string ip = 2 [(validate.rules).string.ip = true];
+
+  oneof request {
+    option (validate.required) = true;
+
+    TrainGNNRequest train_gnn_request = 3;
+    TrainMLPRequest train_mlp_request = 4;
+  }
+}
+
+// Trainer RPC Service.
+service Trainer {
+  // Train trains models of scheduler using dataset.
+  rpc Train(stream TrainRequest) returns(google.protobuf.Empty);
+}
--- a/pkg/apis/trainer/v1/trainer_grpc.pb.go
+++ b/pkg/apis/trainer/v1/trainer_grpc.pb.go
@ -0,0 +1,140 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v3.21.6
+// source: pkg/apis/trainer/v1/trainer.proto
+
+package trainer
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// TrainerClient is the client API for Trainer service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type TrainerClient interface {
+	// Train trains models of scheduler using dataset.
+	Train(ctx context.Context, opts ...grpc.CallOption) (Trainer_TrainClient, error)
+}
+
+type trainerClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewTrainerClient(cc grpc.ClientConnInterface) TrainerClient {
+	return &trainerClient{cc}
+}
+
+func (c *trainerClient) Train(ctx context.Context, opts ...grpc.CallOption) (Trainer_TrainClient, error) {
+	stream, err := c.cc.NewStream(ctx, &Trainer_ServiceDesc.Streams[0], "/trainer.v1.Trainer/Train", opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &trainerTrainClient{stream}
+	return x, nil
+}
+
+type Trainer_TrainClient interface {
+	Send(*TrainRequest) error
+	CloseAndRecv() (*emptypb.Empty, error)
+	grpc.ClientStream
+}
+
+type trainerTrainClient struct {
+	grpc.ClientStream
+}
+
+func (x *trainerTrainClient) Send(m *TrainRequest) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *trainerTrainClient) CloseAndRecv() (*emptypb.Empty, error) {
+	if err := x.ClientStream.CloseSend(); err != nil {
+		return nil, err
+	}
+	m := new(emptypb.Empty)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// TrainerServer is the server API for Trainer service.
+// All implementations should embed UnimplementedTrainerServer
+// for forward compatibility
+type TrainerServer interface {
+	// Train trains models of scheduler using dataset.
+	Train(Trainer_TrainServer) error
+}
+
+// UnimplementedTrainerServer should be embedded to have forward compatible implementations.
+type UnimplementedTrainerServer struct {
+}
+
+func (UnimplementedTrainerServer) Train(Trainer_TrainServer) error {
+	return status.Errorf(codes.Unimplemented, "method Train not implemented")
+}
+
+// UnsafeTrainerServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to TrainerServer will
+// result in compilation errors.
+type UnsafeTrainerServer interface {
+	mustEmbedUnimplementedTrainerServer()
+}
+
+func RegisterTrainerServer(s grpc.ServiceRegistrar, srv TrainerServer) {
+	s.RegisterService(&Trainer_ServiceDesc, srv)
+}
+
+func _Trainer_Train_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(TrainerServer).Train(&trainerTrainServer{stream})
+}
+
+type Trainer_TrainServer interface {
+	SendAndClose(*emptypb.Empty) error
+	Recv() (*TrainRequest, error)
+	grpc.ServerStream
+}
+
+type trainerTrainServer struct {
+	grpc.ServerStream
+}
+
+func (x *trainerTrainServer) SendAndClose(m *emptypb.Empty) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *trainerTrainServer) Recv() (*TrainRequest, error) {
+	m := new(TrainRequest)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// Trainer_ServiceDesc is the grpc.ServiceDesc for Trainer service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Trainer_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "trainer.v1.Trainer",
+	HandlerType: (*TrainerServer)(nil),
+	Methods:     []grpc.MethodDesc{},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "Train",
+			Handler:       _Trainer_Train_Handler,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "pkg/apis/trainer/v1/trainer.proto",
+}
--- a/proto/common.proto
+++ b/proto/common.proto
@ -38,24 +38,18 @@ enum SizeScope {

 // TaskType represents type of task.
 enum TaskType {
-  // STANDARD is standard type of task, it can download from source, remote peer and
-  // local peer(local cache). When the standard task is never downloaded in the
-  // P2P cluster, dfdaemon will download the task from the source. When the standard
-  // task is downloaded in the P2P cluster, dfdaemon will download the task from
-  // the remote peer or local peer(local cache).
-  STANDARD = 0;
+  // DFDAEMON is dfdeamon type of task,
+  // dfdeamon task is a normal p2p task.
+  DFDAEMON = 0;

-  // PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
-  // When the persistent task is imported into the P2P cluster, dfdaemon will store
-  // the task in the peer's disk and copy multiple replicas to remote peers to
-  // prevent data loss.
-  PERSISTENT = 1;
+  // DFCACHE is dfcache type of task,
+  // dfcache task is a cache task, and the task url is fake url.
+  // It can only be used for caching and cannot be downloaded back to source.
+  DFCACHE = 1;

-  // PERSISTENT_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
-  // When the persistent cache task is imported into the P2P cluster, dfdaemon will store
-  // the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
-  // When the expiration time is reached, task will be deleted in the P2P cluster.
-  PERSISTENT_CACHE = 2;
+  // DFSTORE is dfstore type of task,
+  // dfstore task is a persistent task in backend.
+  DFSTORE = 2;
 }

 // TrafficType represents type of traffic.
@ -132,29 +126,6 @@ message Peer {
  google.protobuf.Timestamp updated_at = 11;
 }

-// PersistentCachePeer metadata.
-message PersistentCachePeer {
-  // Peer id.
-  string id = 1;
-  // Persistent represents whether the persistent cache peer is persistent.
-  // If the persistent cache peer is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  bool persistent = 2;
-  // Peer downloads costs time.
-  google.protobuf.Duration cost = 3;
-  // Peer state.
-  string state = 4;
-  // Persistent task info.
-  PersistentCacheTask task = 5;
-  // Host info.
-  Host host = 6;
-  // Peer create time.
-  google.protobuf.Timestamp created_at = 7;
-  // Peer update time.
-  google.protobuf.Timestamp updated_at = 8;
-}
-
 // Task metadata.
 message Task {
  // Task id.
@ -163,78 +134,36 @@ message Task {
  TaskType type = 2;
  // Download url.
  string url = 3;
-  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
-  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
-  // Returns an error if the computed digest mismatches the expected value.
-  //
-  // Performance
-  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
+  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
  optional string digest = 4;
  // URL tag identifies different task for same url.
  optional string tag = 5;
  // Application of task.
  optional string application = 6;
-  // Filtered query params to generate the task id.
-  // When filter is ["Signature", "Expires", "ns"], for example:
-  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
-  // will generate the same task id.
-  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
-  repeated string filtered_query_params = 7;
+  // Filter url used to generate task id.
+  repeated string filters = 7;
  // Task request headers.
-  map<string, string> request_header = 8;
-  // Task content length.
-  uint64 content_length = 9;
-  // Task piece count.
-  uint32 piece_count = 10;
-  // Task size scope.
-  SizeScope size_scope = 11;
-  // Pieces of task.
-  repeated Piece pieces = 12;
-  // Task state.
-  string state = 13;
-  // Task peer count.
-  uint32 peer_count = 14;
-  // Task contains available peer.
-  bool has_available_peer = 15;
-  // Task create time.
-  google.protobuf.Timestamp created_at = 16;
-  // Task update time.
-  google.protobuf.Timestamp updated_at = 17;
-}
-
-// PersistentCacheTask metadata.
-message PersistentCacheTask {
-  // Task id.
-  string id = 1;
-  // Replica count of the persistent cache task. The persistent cache task will
-  // not be deleted when dfdamon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  uint64 persistent_replica_count = 2;
-  // Current replica count of the persistent cache task. The persistent cache task
-  // will not be deleted when dfdaemon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  uint64 current_persistent_replica_count = 3;
-  // Current replica count of the cache task. If cache task is not persistent,
-  // the persistent cache task will be deleted when dfdaemon runs garbage collection.
-  uint64 current_replica_count = 4;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 5;
-  // Application of task.
-  optional string application = 6;
+  map<string, string> header = 8;
  // Task piece length.
-  uint64 piece_length = 7;
+  int32 piece_length = 9;
  // Task content length.
-  uint64 content_length = 8;
+  int64 content_length = 10;
  // Task piece count.
-  uint32 piece_count = 9;
+  int32 piece_count = 11;
+  // Task size scope.
+  SizeScope size_scope = 12;
+  // Pieces of task.
+  repeated Piece pieces = 13;
  // Task state.
-  string state = 10;
-  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 11;
+  string state = 14;
+  // Task peer count.
+  int32 peer_count = 15;
+  // Task contains available peer.
+  bool hasAvailablePeer = 16;
  // Task create time.
-  google.protobuf.Timestamp created_at = 12;
+  google.protobuf.Timestamp created_at = 17;
  // Task update time.
-  google.protobuf.Timestamp updated_at = 13;
+  google.protobuf.Timestamp updated_at = 18;
 }

 // Host metadata.
@ -273,8 +202,8 @@ message Host {
  optional Build build = 16;
  // ID of the cluster to which the host belongs.
  uint64 scheduler_cluster_id = 17;
-  // Disable shared data for other peers.
-  bool disable_shared = 18;
+  // Port of object storage server.
+  int32 object_storage_port = 18;
 }

 // CPU Stat.
@ -342,14 +271,6 @@ message Network {
  optional string location = 3;
  // IDC where the peer host is located
  optional string idc = 4;
-  // Download rate is received bytes per second.
-  uint64 download_rate = 5;
-  // Download rate is the limit of received bytes per second.
-  uint64 download_rate_limit = 6;
-  // Upload rate is transmitted bytes per second.
-  uint64 upload_rate = 7;
-  // Upload rate is the limit of transmitted bytes per second.
-  uint64 upload_rate_limit = 8;
 }

 // Disk Stat.
@ -370,10 +291,6 @@ message Disk {
  uint64 inodes_free = 7;
  // Used percent of indoes on the data path of dragonfly directory.
  double inodes_used_percent = 8;
-  // Disk read bandwidth, in bytes per second.
-  uint64 read_bandwidth = 9;
-  // Disk write bandwidth, in bytes per second.
-  uint64 write_bandwidth = 10;
 }

 // Build information.
@ -394,11 +311,9 @@ message Build {
 message Download {
  // Download url.
  string url = 1;
-  // Digest of the task digest, for example :xxx or sha256:yyy.
+  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
  optional string digest = 2;
-  // Range is url range of request. If protocol is http, range
-  // will set in request header. If protocol is others, range
-  // will set in range field.
+  // Range is url range of request.
  optional Range range = 3;
  // Task type.
  TaskType type = 4;
@ -408,104 +323,46 @@ message Download {
  optional string application = 6;
  // Peer priority.
  Priority priority = 7;
-  // Filtered query params to generate the task id.
-  // When filter is ["Signature", "Expires", "ns"], for example:
-  // http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io and http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io
-  // will generate the same task id.
-  // Default value includes the filtered query params of s3, gcs, oss, obs, cos.
-  repeated string filtered_query_params = 8;
+  // Filter url used to generate task id.
+  repeated string filters = 8;
  // Task request headers.
-  map<string, string> request_header = 9;
+  map<string, string> header = 9;
  // Task piece length.
-  optional uint64 piece_length = 10;
-  // File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
-  // Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
-  // it will copy the file to the output path after the download is completed.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  optional string output_path = 11;
+  int32 piece_length = 10;
+  // File path to be exported.
+  string output_path = 11;
  // Download timeout.
  optional google.protobuf.Duration timeout = 12;
-  // Dfdaemon cannot download the task from the source if disable_back_to_source is true.
-  bool disable_back_to_source = 13;
-  // Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+  // Download rate limit in bytes per second.
+  optional double download_rate_limit = 13;
+  // NeedBackToSource needs downloaded from source.
  bool need_back_to_source = 14;
-  // certificate_chain is the client certs with DER format for the backend client to download back-to-source.
-  repeated bytes certificate_chain = 15;
-  // Prefetch pre-downloads all pieces of the task when the download task request is a range request.
-  bool prefetch = 16;
-  // Object storage protocol information.
-  optional ObjectStorage object_storage = 17;
-  // HDFS protocol information.
-  optional HDFS hdfs = 18;
-  // is_prefetch is the flag to indicate whether the request is a prefetch request.
-  bool is_prefetch = 19;
-  // need_piece_content is the flag to indicate whether the response needs to return piece content.
-  bool need_piece_content = 20;
-  // load_to_cache indicates whether the content downloaded will be stored in the cache storage.
-  // Cache storage is designed to store downloaded piece content from preheat tasks, 
-  // allowing other peers to access the content from memory instead of disk.
-  bool load_to_cache = 21;
-  // force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  bool force_hard_link = 22;
-  // content_for_calculating_task_id is the content used to calculate the task id.
-  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
-  // Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
-  optional string content_for_calculating_task_id = 23;
-  // remote_ip represents the IP address of the client initiating the download request.
-  // For proxy requests, it is set to the IP address of the request source.
-  // For dfget requests, it is set to the IP address of the dfget.
-  optional string remote_ip = 24;
-}
-
-// Object Storage related information.
-message ObjectStorage {
-  // Region is the region of the object storage service.
-  optional string region = 1;
-  // Endpoint is the endpoint of the object storage service.
-  optional string endpoint = 2;
-  // Access key that used to access the object storage service.
-  optional string access_key_id = 3;
-  // Access secret that used to access the object storage service.
-  optional string access_key_secret = 4;
-  // Session token that used to access s3 storage service.
-  optional string session_token = 5;
-  // Local path to credential file for Google Cloud Storage service OAuth2 authentication.
-  optional string credential_path = 6;
-  // Predefined ACL that used for the Google Cloud Storage service.
-  optional string predefined_acl = 7;
-}
-
-// HDFS related information.
-message HDFS {
-  // Delegation token for Web HDFS operator.
-  optional string delegation_token = 1;
 }

 // Range represents download range.
 message Range {
  // Start of range.
-  uint64 start = 1;
+  int64 start = 1;
  // Length of range.
-  uint64 length = 2;
+  int64 length = 2;
 }

 // Piece represents information of piece.
 message Piece {
  // Piece number.
-  uint32 number = 1;
+  int32 number = 1;
  // Parent peer id.
  optional string parent_id = 2;
  // Piece offset.
  uint64 offset = 3;
  // Piece length.
  uint64 length = 4;
-  // Digest of the piece data, for example blake3:xxx or sha256:yyy.
+  // Digest of the piece data, for example md5:xxx or sha256:yyy.
  string digest = 5;
  // Piece content.
-  optional bytes content = 6;
+  bytes content = 6;
  // Traffic type.
-  optional TrafficType traffic_type = 7;
+  TrafficType traffic_type = 7;
  // Downloading piece costs time.
  google.protobuf.Duration cost = 8;
  // Piece create time.
--- a/proto/dfdaemon.proto
+++ b/proto/dfdaemon.proto
@ -19,8 +19,42 @@ syntax = "proto3";
 package dfdaemon.v2;

 import "common.proto";
-import "google/protobuf/duration.proto";
 import "google/protobuf/empty.proto";
+import "google/protobuf/timestamp.proto";
+
+// InterestedAllPiecesRequest represents interested all pieces request of SyncPiecesRequest.
+message InterestedAllPiecesRequest {
+}
+
+// InterestedPiecesRequest represents interested pieces request of SyncPiecesRequest.
+message InterestedPiecesRequest {
+  // Interested piece numbers.
+  repeated uint32 piece_numbers = 1;
+}
+
+// SyncPiecesRequest represents request of AnnouncePeer.
+message SyncPiecesRequest{
+  // Task id.
+  string task_id = 1;
+
+  oneof request {
+    InterestedAllPiecesRequest interested_all_pieces_request = 2;
+    InterestedPiecesRequest interested_pieces_request = 3;
+  }
+}
+
+// InterestedPiecesResponse represents interested pieces response of SyncPiecesResponse.
+message InterestedPiecesResponse {
+  // Interested pieces of task.
+  repeated common.v2.Piece pieces = 1;
+}
+
+// SyncPiecesResponse represents response of SyncPieces.
+message SyncPiecesResponse {
+  oneof response {
+    InterestedPiecesResponse interested_pieces_response = 1;
+  }
+}

 // DownloadTaskRequest represents request of DownloadTask.
 message DownloadTaskRequest {
@ -28,382 +62,64 @@ message DownloadTaskRequest {
  common.v2.Download download = 1;
 }

-// DownloadTaskStartedResponse represents task download started response of DownloadTaskResponse.
-message DownloadTaskStartedResponse {
-  // Task content length.
-  uint64 content_length = 1;
-
-  // Range is url range of request. If protocol is http, range
-  // is parsed from http header. If other protocol, range comes
-  // from download range field.
-  optional common.v2.Range range = 2;
-
-  // Task response headers.
-  map<string, string> response_header = 3;
-
-  // Need to download pieces.
-  repeated common.v2.Piece pieces = 4;
-}
-
-// DownloadPieceFinishedResponse represents piece download finished response of DownloadTaskResponse.
-message DownloadPieceFinishedResponse {
-  // Finished piece of task.
-  common.v2.Piece piece = 1;
-}
-
-// DownloadTaskResponse represents response of DownloadTask.
-message DownloadTaskResponse {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-
-  oneof response {
-    DownloadTaskStartedResponse download_task_started_response = 4;
-    DownloadPieceFinishedResponse download_piece_finished_response = 5;
-  }
-}
-
-// SyncPiecesRequest represents request of SyncPieces.
-message SyncPiecesRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Interested piece numbers.
-  repeated uint32 interested_piece_numbers = 3;
-}
-
-// SyncPiecesResponse represents response of SyncPieces.
-message SyncPiecesResponse {
-  // Exist piece number.
-  uint32 number = 1;
-  // Piece offset.
-  uint64 offset = 2;
-  // Piece length.
-  uint64 length = 3;
-}
-
-// DownloadPieceRequest represents request of DownloadPiece.
-message DownloadPieceRequest{
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Piece number.
-  uint32 piece_number = 3;
-}
-
-// DownloadPieceResponse represents response of DownloadPieces.
-message DownloadPieceResponse {
-  // Piece information.
-  common.v2.Piece piece = 1;
-  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
-  optional string digest = 2;
+// UploadTaskRequest represents request of UploadTask.
+message UploadTaskRequest {
+  // Task metadata.
+  common.v2.Task task = 1;
 }

 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
  // Task id.
  string task_id = 1;
-  // Remote IP represents the IP address of the client initiating the stat request.
-  optional string remote_ip = 2;
 }

-// ListTaskEntriesRequest represents request of ListTaskEntries.
-message ListTaskEntriesRequest {
+// StatTaskResponse represents response of StatTask.
+message StatTaskResponse {
  // Task id.
-  string task_id = 1;
-  // URL to be listed the entries.
-  string url = 2;
-  // HTTP header to be sent with the request.
-  map<string, string> request_header = 3;
-  // List timeout.
-  optional google.protobuf.Duration timeout = 4;
-  // certificate_chain is the client certs with DER format for the backend client to list the entries.
-  repeated bytes certificate_chain = 5;
-  // Object storage protocol information.
-  optional common.v2.ObjectStorage object_storage = 6;
-  // HDFS protocol information.
-  optional common.v2.HDFS hdfs = 7;
-  // Remote IP represents the IP address of the client initiating the list request.
-  optional string remote_ip = 8;
-}
-
-// ListTaskEntriesResponse represents response of ListTaskEntries.
-message ListTaskEntriesResponse {
-  // Content length is the content length of the response
-  uint64 content_length = 1;
-  // HTTP header to be sent with the request.
-  map<string, string> response_header = 2;
-  // Backend HTTP status code.
-  optional int32 status_code = 3;
-  /// Entries is the information of the entries in the directory.
-  repeated Entry entries = 4;
-}
-
-// Entry represents an entry in a directory.
-message Entry {
-  // URL of the entry.
-  string url = 1;
-  // Size of the entry.
-  uint64 content_length = 2;
-  // Is directory or not.
-  bool is_dir = 3;
+  string id = 1;
+  // Task type.
+  common.v2.TaskType type = 2;
+  // Download url.
+  string url = 3;
+  // Digest of the pieces digest, for example md5:xxx or sha256:yyy.
+  optional string digest = 4;
+  // URL tag identifies different task for same url.
+  optional string tag = 5;
+  // Application of task.
+  optional string application = 6;
+  // Filter url used to generate task id.
+  repeated string filters = 7;
+  // Task request headers.
+  map<string, string> header = 8;
+  // Task piece length.
+  int32 piece_length = 9;
+  // Task create time.
+  google.protobuf.Timestamp created_at = 10;
+  // Task update time.
+  google.protobuf.Timestamp updated_at = 11;
 }

 // DeleteTaskRequest represents request of DeleteTask.
 message DeleteTaskRequest {
  // Task id.
  string task_id = 1;
-  // Remote IP represents the IP address of the client initiating the delete request.
-  optional string remote_ip = 2;
 }

-// DownloadPersistentCacheTaskRequest represents request of DownloadPersistentCacheTask.
-message DownloadPersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1;
-  // Persistent represents whether the persistent cache task is persistent.
-  // If the persistent cache task is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection.
-  bool persistent = 2;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 3;
-  // Application of task.
-  optional string application = 4;
-  // File path to be exported. If output_path is set, the exported file will be saved to the specified path.
-  // Dfdaemon will try to create hard link to the output path before starting the export. If hard link creation fails,
-  // it will copy the file to the output path after the export is completed.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  optional string output_path = 5;
-  // Download timeout.
-  optional google.protobuf.Duration timeout = 6;
-  // need_piece_content is the flag to indicate whether the response needs to return piece content.
-  bool need_piece_content = 7;
-  // force_hard_link is the flag to indicate whether the exported file must be hard linked to the output path.
-  // For more details refer to https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.
-  bool force_hard_link = 8;
-  // Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
-  // Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
-  // Returns an error if the computed digest mismatches the expected value.
-  //
-  // Performance
-  // Digest calculation increases processing time. Enable only when data integrity verification is critical.
-  optional string digest = 9;
-  // Remote IP represents the IP address of the client initiating the download request.
-  optional string remote_ip = 10;
-}
+// Dfdaemon RPC Service.
+service Dfdaemon{
+  // SyncPieces syncs pieces from the other peers.
+  rpc SyncPieces(stream SyncPiecesRequest)returns(stream SyncPiecesResponse);

-// DownloadPersistentCacheTaskStartedResponse represents task download started response of DownloadPersistentCacheTaskResponse.
-message DownloadPersistentCacheTaskStartedResponse {
-  // Task content length.
-  uint64 content_length = 1;
-}
+  // DownloadTask downloads task back-to-source.
+  rpc DownloadTask(DownloadTaskRequest) returns(google.protobuf.Empty);

-// DownloadPersistentCacheTaskResponse represents response of DownloadPersistentCacheTask.
-message DownloadPersistentCacheTaskResponse {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-
-  oneof response {
-    DownloadPersistentCacheTaskStartedResponse download_persistent_cache_task_started_response = 4;
-    DownloadPieceFinishedResponse download_piece_finished_response = 5;
-  }
-}
-
-// UploadPersistentCacheTaskRequest represents request of UploadPersistentCacheTask.
-message UploadPersistentCacheTaskRequest {
-  // content_for_calculating_task_id is the content used to calculate the task id.
-  // If content_for_calculating_task_id is set, use its value to calculate the task ID.
-  // Otherwise, calculate the task ID based on the file content, tag and application by crc32 algorithm`.
-  optional string content_for_calculating_task_id = 1;
-  // Upload file path of persistent cache task.
-  string path = 2;
-  // Replica count of the persistent persistent cache task.
-  uint64 persistent_replica_count = 3;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 4;
-  // Application of the persistent cache task.
-  optional string application = 5;
-  // Piece length of the persistent cache task, the value needs to be greater than or equal to 4194304(4MiB).
-  optional uint64 piece_length = 6;
-  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 7;
-  // Download timeout.
-  optional google.protobuf.Duration timeout = 8;
-  // Remote IP represents the IP address of the client initiating the upload request.
-  optional string remote_ip = 9;
-}
-
-// UpdatePersistentCacheTaskRequest represents request of UpdatePersistentCacheTask.
-message UpdatePersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1;
-  // Persistent represents whether the persistent cache peer is persistent.
-  // If the persistent cache peer is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection. It only be deleted
-  // when the task is deleted by the user.
-  bool persistent = 2;
-  // Remote IP represents the IP address of the client initiating the list request.
-  optional string remote_ip = 3;
-}
-
-// StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
-message StatPersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1;
-  // Remote IP represents the IP address of the client initiating the stat request.
-  optional string remote_ip = 2;
-}
-
-// DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
-message DeletePersistentCacheTaskRequest {
-  // Task id.
-  string task_id = 1;
-  // Remote IP represents the IP address of the client initiating the delete request.
-  optional string remote_ip = 2;
-}
-
-// SyncPersistentCachePiecesRequest represents request of SyncPersistentCachePieces.
-message SyncPersistentCachePiecesRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Interested piece numbers.
-  repeated uint32 interested_piece_numbers = 3;
-}
-
-// SyncPersistentCachePiecesResponse represents response of SyncPersistentCachePieces.
-message SyncPersistentCachePiecesResponse {
-  // Exist piece number.
-  uint32 number = 1;
-  // Piece offset.
-  uint64 offset = 2;
-  // Piece length.
-  uint64 length = 3;
-}
-
-// DownloadPersistentCachePieceRequest represents request of DownloadPersistentCachePiece.
-message DownloadPersistentCachePieceRequest{
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Piece number.
-  uint32 piece_number = 3;
-}
-
-// DownloadPersistentCachePieceResponse represents response of DownloadPersistentCachePieces.
-message DownloadPersistentCachePieceResponse {
-  // Piece information.
-  common.v2.Piece piece = 1;
-  // Piece metadata digest, it is used to verify the integrity of the piece metadata.
-  optional string digest = 2;
-}
-
-// SyncHostRequest represents request of SyncHost.
-message SyncHostRequest {
-  // Host id.
-  string host_id = 1;
-  // Peer id.
-  string peer_id = 2;
-}
-
-// IBVerbsQueuePairEndpoint represents queue pair endpoint of IBVerbs.
-message IBVerbsQueuePairEndpoint {
-  // Number of the queue pair.
-  uint32 num = 1;
-  // Local identifier of the context.
-  uint32 lid = 2;
-  // Global identifier of the context.
-  bytes gid = 3;
-}
-
-// ExchangeIBVerbsQueuePairEndpointRequest represents request of ExchangeIBVerbsQueuePairEndpoint.
-message ExchangeIBVerbsQueuePairEndpointRequest {
-  // Information of the source's queue pair endpoint of IBVerbs.
-  IBVerbsQueuePairEndpoint endpoint = 1;
-}
-
-// ExchangeIBVerbsQueuePairEndpointResponse represents response of ExchangeIBVerbsQueuePairEndpoint.
-message ExchangeIBVerbsQueuePairEndpointResponse {
-  // Information of the destination's queue pair endpoint of IBVerbs.
-  IBVerbsQueuePairEndpoint endpoint = 1;
-}
-
-// DfdaemonUpload represents upload service of dfdaemon.
-service DfdaemonUpload {
-  // DownloadTask downloads task from p2p network.
-  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
+  // UploadTask uploads task to p2p network.
+  rpc UploadTask(UploadTaskRequest) returns(google.protobuf.Empty);

  // StatTask stats task information.
  rpc StatTask(StatTaskRequest) returns(common.v2.Task);

  // DeleteTask deletes task from p2p network.
  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
-
-  // SyncPieces syncs piece metadatas from remote peer.
-  rpc SyncPieces(SyncPiecesRequest) returns(stream SyncPiecesResponse);
-
-  // DownloadPiece downloads piece from the remote peer.
-  rpc DownloadPiece(DownloadPieceRequest)returns(DownloadPieceResponse);
-
-  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
-  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
-
-  // UpdatePersistentCacheTask updates metadate of thr persistent cache task in p2p network.
-  rpc UpdatePersistentCacheTask(UpdatePersistentCacheTaskRequest) returns(google.protobuf.Empty);
-
-  // StatPersistentCacheTask stats persistent cache task information.
-  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
-
-  // DeletePersistentCacheTask deletes persistent cache task from p2p network.
-  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest) returns(google.protobuf.Empty);
-
-  // SyncPersistentCachePieces syncs persistent cache pieces from remote peer.
-  rpc SyncPersistentCachePieces(SyncPersistentCachePiecesRequest) returns(stream SyncPersistentCachePiecesResponse);
-
-  // DownloadPersistentCachePiece downloads persistent cache piece from p2p network.
-  rpc DownloadPersistentCachePiece(DownloadPersistentCachePieceRequest)returns(DownloadPersistentCachePieceResponse);
-
-  // SyncHost sync host info from parents.
-  rpc SyncHost(SyncHostRequest) returns (stream common.v2.Host);
-
-  // ExchangeIBVerbsQueuePairEndpoint exchanges queue pair endpoint of IBVerbs with remote peer.
-  rpc ExchangeIBVerbsQueuePairEndpoint(ExchangeIBVerbsQueuePairEndpointRequest) returns(ExchangeIBVerbsQueuePairEndpointResponse);
-}
-
-// DfdaemonDownload represents download service of dfdaemon.
-service DfdaemonDownload {
-  // DownloadTask downloads task from p2p network.
-  rpc DownloadTask(DownloadTaskRequest) returns(stream DownloadTaskResponse);
-
-  // StatTask stats task information.
-  rpc StatTask(StatTaskRequest) returns(common.v2.Task);
-
-  // ListTaskEntries lists task entries for downloading directory.
-  rpc ListTaskEntries(ListTaskEntriesRequest) returns(ListTaskEntriesResponse);
-
-  // DeleteTask deletes task from p2p network.
-  rpc DeleteTask(DeleteTaskRequest) returns(google.protobuf.Empty);
-
-  // DeleteHost releases host in scheduler.
-  rpc DeleteHost(google.protobuf.Empty)returns(google.protobuf.Empty);
-
-  // DownloadPersistentCacheTask downloads persistent cache task from p2p network.
-  rpc DownloadPersistentCacheTask(DownloadPersistentCacheTaskRequest) returns(stream DownloadPersistentCacheTaskResponse);
-
-  // UploadPersistentCacheTask uploads persistent cache task to p2p network.
-  rpc UploadPersistentCacheTask(UploadPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
-
-  // StatPersistentCacheTask stats persistent cache task information.
-  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest) returns(common.v2.PersistentCacheTask);
 }
--- a/proto/manager.proto
+++ b/proto/manager.proto
@ -25,10 +25,8 @@ import "google/protobuf/empty.proto";
 enum SourceType {
  // Scheduler service.
  SCHEDULER_SOURCE = 0;
-
  // Peer service.
  PEER_SOURCE = 1;
-
  // SeedPeer service.
  SEED_PEER_SOURCE = 2;
 }
@ -71,6 +69,8 @@ message SeedPeer {
  SeedPeerCluster seed_peer_cluster = 11;
  // Schedulers included in seed peer.
  repeated Scheduler schedulers = 12;
+  // Seed peer object storage port.
+  int32 object_storage_port = 13;
 }

 // GetSeedPeerRequest represents request of GetSeedPeer.
@ -85,26 +85,6 @@ message GetSeedPeerRequest {
  string ip = 4;
 }

-// ListSeedPeersRequest represents request of ListSeedPeers.
-message ListSeedPeersRequest {
-  // Request source type.
-  SourceType source_type = 1;
-  // Source service hostname.
-  string hostname = 2;
-  // Source service ip.
-  string ip = 3;
-  // Dfdaemon version.
-  string version = 4;
-  // Dfdaemon commit.
-  string commit = 5;
-}
-
-// ListSeedPeersResponse represents response of ListSeedPeers.
-message ListSeedPeersResponse {
-  // Seed peers to which the source service belongs.
-  repeated SeedPeer seed_peers = 1;
-}
-
 // UpdateSeedPeerRequest represents request of UpdateSeedPeer.
 message UpdateSeedPeerRequest {
  // Request source type.
@ -125,6 +105,8 @@ message UpdateSeedPeerRequest {
  int32 download_port = 8;
  // ID of the cluster to which the seed peer belongs.
  uint64 seed_peer_cluster_id = 9;
+  // Seed peer object storage port.
+  int32 object_storage_port = 10;
 }

 // DeleteSeedPeerRequest represents request of DeleteSeedPeer.
@ -209,10 +191,6 @@ message UpdateSchedulerRequest {
  string ip = 6;
  // Scheduler port.
  int32 port = 7;
-  // Scheduler features.
-  repeated string features = 8;
-  // Scheduler Configuration.
-  bytes config = 9;
 }

 // ListSchedulersRequest represents request of ListSchedulers.
@ -231,8 +209,6 @@ message ListSchedulersRequest {
  string version = 6;
  // Dfdaemon commit.
  string commit = 7;
-  // ID of the cluster to which the scheduler belongs.
-  uint64 scheduler_cluster_id = 8;
 }

 // ListSchedulersResponse represents response of ListSchedulers.
@ -241,6 +217,61 @@ message ListSchedulersResponse {
  repeated Scheduler schedulers = 1;
 }

+// ObjectStorage represents config of object storage.
+message ObjectStorage {
+  // name is object storage name of type, it can be s3, oss or obs.
+  string name = 1;
+  // Region is storage region.
+  string region = 2;
+  // Endpoint is datacenter endpoint.
+  string endpoint = 3;
+  // AccessKey is access key ID.
+  string access_key = 4;
+  // SecretKey is access key secret.
+  string secret_key = 5;
+  // S3ForcePathStyle sets force path style for s3, true by default.
+  // Set this to `true` to force the request to use path-style addressing,
+  // i.e., `http://s3.amazonaws.com/BUCKET/KEY`. By default, the S3 client
+  // will use virtual hosted bucket addressing when possible
+  // (`http://BUCKET.s3.amazonaws.com/KEY`).
+  // Refer to https://github.com/aws/aws-sdk-go/blob/main/aws/config.go#L118.
+  bool s3_force_path_style = 6;
+  // Scheme is the scheme of the http client.
+  string scheme = 7;
+}
+
+// GetObjectStorageRequest represents request of GetObjectStorage.
+message GetObjectStorageRequest {
+  // Request source type.
+  SourceType source_type = 1;
+  // Source service hostname.
+  string hostname = 2;
+  // Source service ip.
+  string ip = 3;
+}
+
+// Bucket represents config of bucket.
+message Bucket {
+  // Bucket name.
+  string name = 1;
+}
+
+// ListSchedulersRequest represents request of ListBuckets.
+message ListBucketsRequest {
+  // Request source type.
+  SourceType source_type = 1;
+  // Source service hostname.
+  string hostname = 2;
+  // Source service ip.
+  string ip = 3;
+}
+
+// ListBucketsResponse represents response of ListBuckets.
+message ListBucketsResponse {
+  // Bucket configs.
+  repeated Bucket buckets = 1;
+}
+
 // URLPriority represents config of url priority.
 message URLPriority {
  // URL regex.
@ -287,6 +318,41 @@ message ListApplicationsResponse {
  repeated Application applications = 1;
 }

+// CreateGNNRequest represents to create GNN model request of TrainRequest.
+message CreateGNNRequest {
+  // Protocol buffer file of model.
+  bytes data = 1;
+  // Recall of the model.
+  double recall = 2;
+  // Precision of the model.
+  double precision = 3;
+  // F1-Score of the model.
+  double f1_score = 4;
+}
+
+// CreateMLPRequest represents to create MLP model request of TrainRequest.
+message CreateMLPRequest {
+  // Protocol buffer file of model.
+  bytes data = 1;
+  // MSE of the model.
+  double mse = 2;
+  // MAE of the model.
+  double mae = 3;
+}
+
+// CreateModelRequest represents request of CreateModel.
+message CreateModelRequest {
+  // Scheduler hostname.
+  string hostname = 1;
+  // Scheduler ip.
+  string ip = 2;
+
+  oneof request {
+    CreateGNNRequest create_gnn_request = 3;
+    CreateMLPRequest create_mlp_request = 4;
+  }
+}
+
 // KeepAliveRequest represents request of KeepAlive.
 message KeepAliveRequest {
  // Request source type.
@ -304,9 +370,6 @@ service Manager {
  // Get SeedPeer and SeedPeer cluster configuration.
  rpc GetSeedPeer(GetSeedPeerRequest) returns(SeedPeer);

-  // List acitve schedulers configuration.
-  rpc ListSeedPeers(ListSeedPeersRequest)returns(ListSeedPeersResponse);
-
  // Update SeedPeer configuration.
  rpc UpdateSeedPeer(UpdateSeedPeerRequest) returns(SeedPeer);

@ -322,9 +385,18 @@ service Manager {
  // List acitve schedulers configuration.
  rpc ListSchedulers(ListSchedulersRequest)returns(ListSchedulersResponse);

+  // Get ObjectStorage configuration.
+  rpc GetObjectStorage(GetObjectStorageRequest) returns(ObjectStorage);
+
+  // List buckets configuration.
+  rpc ListBuckets(ListBucketsRequest)returns(ListBucketsResponse);
+
  // List applications configuration.
  rpc ListApplications(ListApplicationsRequest)returns(ListApplicationsResponse);

+  // Create model and update data of model to object storage.
+  rpc CreateModel(CreateModelRequest)returns(google.protobuf.Empty);
+
  // KeepAlive with manager.
  rpc KeepAlive(stream KeepAliveRequest)returns(google.protobuf.Empty);
 }
--- a/proto/scheduler.proto
+++ b/proto/scheduler.proto
@ -19,7 +19,6 @@ syntax = "proto3";
 package scheduler.v2;

 import "common.proto";
-import "errordetails.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/duration.proto";
 import "google/protobuf/timestamp.proto";
@ -30,6 +29,12 @@ message RegisterPeerRequest {
  common.v2.Download download = 1;
 }

+// RegisterSeedPeerRequest represents seed peer registered request of AnnouncePeerRequest.
+message RegisterSeedPeerRequest {
+  // Download information.
+  common.v2.Download download = 1;
+}
+
 // DownloadPeerStartedRequest represents peer download started request of AnnouncePeerRequest.
 message DownloadPeerStartedRequest {
 }
@ -37,43 +42,35 @@ message DownloadPeerStartedRequest {
 // DownloadPeerBackToSourceStartedRequest represents peer download back-to-source started request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceStartedRequest {
  // The description of the back-to-source reason.
-  optional string description = 1;
-}
-
-// ReschedulePeerRequest represents reschedule request of AnnouncePeerRequest.
-message ReschedulePeerRequest {
-  // Candidate parent ids.
-  repeated common.v2.Peer candidate_parents = 1;
-  // The description of the reschedule reason.
-  optional string description = 2;
+  string description = 1;
 }

 // DownloadPeerFinishedRequest represents peer download finished request of AnnouncePeerRequest.
 message DownloadPeerFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1;
  // Total piece count.
-  uint32 piece_count = 2;
+  int32 piece_count = 2;
 }

 // DownloadPeerBackToSourceFinishedRequest represents peer download back-to-source finished request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFinishedRequest {
  // Total content length.
-  uint64 content_length = 1;
+  int64 content_length = 1;
  // Total piece count.
-  uint32 piece_count = 2;
+  int32 piece_count = 2;
 }

 // DownloadPeerFailedRequest represents peer download failed request of AnnouncePeerRequest.
 message DownloadPeerFailedRequest {
  // The description of the download failed.
-  optional string description = 1;
+  string description = 1;
 }

 // DownloadPeerBackToSourceFailedRequest represents peer download back-to-source failed request of AnnouncePeerRequest.
 message DownloadPeerBackToSourceFailedRequest {
  // The description of the download back-to-source failed.
-  optional string description = 1;
+  string description = 1;
 }

 // DownloadPieceFinishedRequest represents piece download finished request of AnnouncePeerRequest.
@ -90,25 +87,55 @@ message DownloadPieceBackToSourceFinishedRequest {

 // DownloadPieceFailedRequest downloads piece failed request of AnnouncePeerRequest.
 message DownloadPieceFailedRequest {
-  // Piece number.
-  optional uint32 piece_number = 1;
-  // Parent id.
-  string parent_id = 2;
+  // Piece info.
+  common.v2.Piece piece = 1;
  // Temporary indicates whether the error is temporary.
-  bool temporary = 3;
+  bool temporary = 2;
+}
+
+// HTTPResponse represents http protocol response of DownloadPieceBackToSourceFailedRequest.
+message HTTPResponse {
+  // HTTP Response Header.
+  map<string, string> header = 1;
+  // HTTP Status Code.
+  int32 status_code = 2;
+  // HTTP Status.
+  string status = 3;
+}
+
+// HDFSResponse represents hdfs protocol response of DownloadPieceBackToSourceFailedRequest.
+message HDFSResponse {
+}
+
+// S3Response represents s3 protocol response of DownloadPieceBackToSourceFailedRequest.
+message S3Response {
+}
+
+// OSSResponse represents oss protocol response of DownloadPieceBackToSourceFailedRequest.
+message OSSResponse {
 }

 // DownloadPieceBackToSourceFailedRequest downloads piece back-to-source failed request of AnnouncePeerRequest.
 message DownloadPieceBackToSourceFailedRequest {
-  // Piece number.
-  optional uint32 piece_number = 1;
+  // Piece info.
+  common.v2.Piece piece = 1;

  oneof response {
-    errordetails.v2.Backend backend = 2;
-    errordetails.v2.Unknown unknown = 3;
+    HTTPResponse http_response = 2;
+    HDFSResponse hdfs_response = 3;
+    S3Response s3_response = 4;
+    OSSResponse oss_response = 5;
  }
 }

+// SyncPiecesFailedRequest syncs pieces failed request of AnnouncePeerRequest.
+message SyncPiecesFailedRequest {
+	// Parent peer id.
+  string parent_id = 1;
+  // The description of the error.
+  string description = 2;
+}
+
 // AnnouncePeerRequest represents request of AnnouncePeer.
 message AnnouncePeerRequest {
  // Host id.
@ -120,9 +147,9 @@ message AnnouncePeerRequest {

  oneof request {
    RegisterPeerRequest register_peer_request = 4;
-    DownloadPeerStartedRequest download_peer_started_request = 5;
-    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 6;
-    ReschedulePeerRequest reschedule_peer_request = 7;
+    RegisterSeedPeerRequest register_seed_peer_request = 5;
+    DownloadPeerStartedRequest download_peer_started_request = 6;
+    DownloadPeerBackToSourceStartedRequest download_peer_back_to_source_started_request = 7;
    DownloadPeerFinishedRequest download_peer_finished_request = 8;
    DownloadPeerBackToSourceFinishedRequest download_peer_back_to_source_finished_request = 9;
    DownloadPeerFailedRequest download_peer_failed_request = 10;
@ -131,6 +158,7 @@ message AnnouncePeerRequest {
    DownloadPieceBackToSourceFinishedRequest download_piece_back_to_source_finished_request = 13;
    DownloadPieceFailedRequest download_piece_failed_request = 14;
    DownloadPieceBackToSourceFailedRequest download_piece_back_to_source_failed_request = 15;
+    SyncPiecesFailedRequest sync_pieces_failed_request = 16;
  }
 }

@ -138,24 +166,44 @@ message AnnouncePeerRequest {
 message EmptyTaskResponse {
 }

+// TinyTaskResponse represents tiny task response of AnnouncePeerResponse.
+message TinyTaskResponse {
+  // Tiny task content.
+  bytes content = 1;
+}
+
+// SmallTaskResponse represents small task response of AnnouncePeerResponse.
+message SmallTaskResponse {
+  // TODO Fix clippy lint PR into new version.
+  // The version of tonic needs to be upgraded,
+  // refer to https://github.com/hyperium/tonic/pull/1181.
+  // 
+  // Candidate parent.
+  // common.Peer candidate_parent = 1;
+}
+
 // NormalTaskResponse represents normal task response of AnnouncePeerResponse.
 message NormalTaskResponse {
  // Candidate parents.
  repeated common.v2.Peer candidate_parents = 1;
+  // Concurrent downloading piece count from the peers.
+  int32 concurrent_piece_count = 2;
 }

 // NeedBackToSourceResponse represents need back-to-source response of AnnouncePeerResponse.
 message NeedBackToSourceResponse {
  // The description of the back-to-source reason.
-  optional string description = 1;
+  string description = 1;
 }

 // AnnouncePeerResponse represents response of AnnouncePeer.
 message AnnouncePeerResponse {
  oneof response {
    EmptyTaskResponse empty_task_response = 1;
-    NormalTaskResponse normal_task_response = 2;
-    NeedBackToSourceResponse need_back_to_source_response = 3;
+    TinyTaskResponse tiny_task_response = 2;
+    SmallTaskResponse small_task_response = 3;
+    NormalTaskResponse normal_task_response = 4;
+    NeedBackToSourceResponse need_back_to_source_response = 5;
  }
 }

@ -169,8 +217,24 @@ message StatPeerRequest {
  string peer_id = 3;
 }

-// DeletePeerRequest represents request of DeletePeer.
-message DeletePeerRequest {
+// TODO exchange peer request definition.
+// ExchangePeerRequest represents request of ExchangePeer.
+message ExchangePeerRequest {
+  // Host id.
+  string host_id = 1;
+  // Task id.
+  string task_id = 2;
+  // Peer id.
+  string peer_id = 3;
+}
+
+// TODO exchange peer response definition.
+// ExchangePeerResponse represents response of ExchangePeer.
+message ExchangePeerResponse {
+}
+
+// LeavePeerRequest represents request of LeavePeer.
+message LeavePeerRequest {
  // Host id.
  string host_id = 1;
  // Task id.
@ -181,250 +245,98 @@ message DeletePeerRequest {

 // StatTaskRequest represents request of StatTask.
 message StatTaskRequest {
-  // Host id.
-  string host_id = 1;
  // Task id.
-  string task_id = 2;
-}
-
-// DeleteTaskRequest represents request of DeleteTask.
-message DeleteTaskRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
+  string id = 1;
 }

 // AnnounceHostRequest represents request of AnnounceHost.
 message AnnounceHostRequest {
  // Host information.
  common.v2.Host host = 1;
-  // The interval between dfdaemon announces to scheduler.
-  optional google.protobuf.Duration interval = 2;
 }

-// ListHostsResponse represents response of ListHosts.
-message ListHostsResponse {
-  // Hosts info.
+// LeaveHostRequest represents request of LeaveHost.
+message LeaveHostRequest{
+  // Host id.
+  string id = 1;
+}
+
+// ProbeStartedRequest represents started request of SyncProbesRequest.
+message ProbeStartedRequest {
+}
+
+// Probe information.
+message Probe {
+  // Destination host metadata.
+  common.v2.Host host = 1;
+  // RTT is the round-trip time sent via this pinger.
+  google.protobuf.Duration rtt = 2;
+  // Probe create time.
+  google.protobuf.Timestamp created_at = 3;
+}
+
+// ProbeFinishedRequest represents finished request of SyncProbesRequest.
+message ProbeFinishedRequest {
+  // Probes information.
+  repeated Probe probes = 1;
+}
+
+// FailedProbe information.
+message FailedProbe {
+  // Destination host metadata.
+  common.v2.Host host = 1;
+  // The description of probing failed.
+  string description = 2;
+}
+
+// ProbeFailedRequest represents failed request of SyncProbesRequest.
+message ProbeFailedRequest {
+  // Failed probes information.
+  repeated FailedProbe probes = 1;
+}
+
+// SyncProbesRequest represents request of SyncProbes.
+message SyncProbesRequest {
+  // Source host metadata.
+  common.v2.Host host = 1;
+
+  oneof request {
+    ProbeStartedRequest probe_started_request = 2;
+    ProbeFinishedRequest probe_finished_request = 3;
+    ProbeFailedRequest probe_failed_request = 4;
+  }
+}
+
+// SyncProbesResponse represents response of SyncProbes.
+message SyncProbesResponse {
+  // Hosts needs to be probed.
  repeated common.v2.Host hosts = 1;
 }

-// DeleteHostRequest represents request of DeleteHost.
-message DeleteHostRequest{
-  // Host id.
-  string host_id = 1;
-}
-
-// RegisterPersistentCachePeerRequest represents persistent cache peer registered request of AnnouncePersistentCachePeerRequest.
-message RegisterPersistentCachePeerRequest {
-  // Persistent represents whether the persistent cache task is persistent.
-  // If the persistent cache task is persistent, the persistent cache peer will
-  // not be deleted when dfdaemon runs garbage collection.
-  bool persistent = 1;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 2;
-  // Application of task.
-  optional string application = 3;
-  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
-  uint64 piece_length = 4;
-  // File path to be exported.
-  optional string output_path = 5;
-  // Download timeout.
-  optional google.protobuf.Duration timeout = 6;
-}
-
-// DownloadPersistentCachePeerStartedRequest represents persistent cache peer download started request of AnnouncePersistentCachePeerRequest.
-message DownloadPersistentCachePeerStartedRequest {
-}
-
-// ReschedulePersistentCachePeerRequest represents reschedule request of AnnouncePersistentCachePeerRequest.
-message ReschedulePersistentCachePeerRequest {
-  // Candidate parent ids.
-  repeated common.v2.PersistentCachePeer candidate_parents = 1;
-
-  // The description of the reschedule reason.
-  optional string description = 2;
-}
-
-// DownloadPersistentCachePeerFinishedRequest represents persistent cache peer download finished request of AnnouncePersistentCachePeerRequest.
-message DownloadPersistentCachePeerFinishedRequest {
-  // Total piece count.
-  uint32 piece_count = 1;
-}
-
-// DownloadPersistentCachePeerFailedRequest represents persistent cache peer download failed request of AnnouncePersistentCachePeerRequest.
-message DownloadPersistentCachePeerFailedRequest {
-  // The description of the download failed.
-  optional string description = 1;
-}
-
-// AnnouncePersistentCachePeerRequest represents request of AnnouncePersistentCachePeer.
-message AnnouncePersistentCachePeerRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-
-  oneof request {
-    RegisterPersistentCachePeerRequest register_persistent_cache_peer_request = 4;
-    DownloadPersistentCachePeerStartedRequest download_persistent_cache_peer_started_request = 5;
-    ReschedulePersistentCachePeerRequest reschedule_persistent_cache_peer_request = 6;
-    DownloadPersistentCachePeerFinishedRequest download_persistent_cache_peer_finished_request = 7;
-    DownloadPersistentCachePeerFailedRequest download_persistent_cache_peer_failed_request = 8;
-    DownloadPieceFinishedRequest download_piece_finished_request = 9;
-    DownloadPieceFailedRequest download_piece_failed_request = 10;
-  }
-}
-
-// EmptyPersistentCacheTaskResponse represents empty persistent cache task response of AnnouncePersistentCachePeerResponse.
-message EmptyPersistentCacheTaskResponse {
-}
-
-// NormalPersistentCacheTaskResponse represents normal persistent cache task response of AnnouncePersistentCachePeerResponse.
-message NormalPersistentCacheTaskResponse {
-  // Candidate parents.
-  repeated common.v2.PersistentCachePeer candidate_cache_parents = 1;
-}
-
-// AnnouncePersistentCachePeerResponse represents response of AnnouncePersistentCachePeer.
-message AnnouncePersistentCachePeerResponse {
-  oneof response {
-    EmptyPersistentCacheTaskResponse empty_persistent_cache_task_response = 1;
-    NormalPersistentCacheTaskResponse normal_persistent_cache_task_response = 2;
-  }
-}
-
-// StatPersistentCachePeerRequest represents request of StatPersistentCachePeer.
-message StatPersistentCachePeerRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-}
-
-// DeletePersistentCachePeerRequest represents request of DeletePersistentCachePeer.
-message DeletePersistentCachePeerRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-}
-
-// UploadPersistentCacheTaskStartedRequest represents upload persistent cache task started request of UploadPersistentCacheTaskStarted.
-message UploadPersistentCacheTaskStartedRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-  // Replica count of the persistent cache task.
-  uint64 persistent_replica_count = 4;
-  // Tag is used to distinguish different persistent cache tasks.
-  optional string tag = 5;
-  // Application of task.
-  optional string application = 6;
-  // Task piece length, the value needs to be greater than or equal to 4194304(4MiB).
-  uint64 piece_length = 7;
-  // Task content length.
-  uint64 content_length = 8;
-  // Task piece count.
-  uint32 piece_count = 9;
-  // TTL of the persistent cache task.
-  google.protobuf.Duration ttl = 10;
-}
-
-// UploadPersistentCacheTaskFinishedRequest represents upload persistent cache task finished request of UploadPersistentCacheTaskFinished.
-message UploadPersistentCacheTaskFinishedRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-}
-
-// UploadPersistentCacheTaskFailedRequest represents upload persistent cache task failed request of UploadPersistentCacheTaskFailed.
-message UploadPersistentCacheTaskFailedRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-  // Peer id.
-  string peer_id = 3;
-  // The description of the upload failed.
-  optional string description = 4;
-}
-
-// StatPersistentCacheTaskRequest represents request of StatPersistentCacheTask.
-message StatPersistentCacheTaskRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-}
-
-// DeletePersistentCacheTaskRequest represents request of DeletePersistentCacheTask.
-message DeletePersistentCacheTaskRequest {
-  // Host id.
-  string host_id = 1;
-  // Task id.
-  string task_id = 2;
-}
-
 // Scheduler RPC Service.
-service Scheduler {
+service Scheduler{
  // AnnouncePeer announces peer to scheduler.
  rpc AnnouncePeer(stream AnnouncePeerRequest) returns(stream AnnouncePeerResponse);

  // Checks information of peer.
  rpc StatPeer(StatPeerRequest)returns(common.v2.Peer);

-  // DeletePeer releases peer in scheduler.
-  rpc DeletePeer(DeletePeerRequest)returns(google.protobuf.Empty);
+  // LeavePeer releases peer in scheduler.
+  rpc LeavePeer(LeavePeerRequest)returns(google.protobuf.Empty);
+
+  // TODO exchange peer api definition.
+  // ExchangePeer exchanges peer information.
+  rpc ExchangePeer(ExchangePeerRequest)returns(ExchangePeerResponse);

  // Checks information of task.
  rpc StatTask(StatTaskRequest)returns(common.v2.Task);

-  // DeleteTask releases task in scheduler.
-  rpc DeleteTask(DeleteTaskRequest)returns(google.protobuf.Empty);
-
  // AnnounceHost announces host to scheduler.
  rpc AnnounceHost(AnnounceHostRequest)returns(google.protobuf.Empty);

-  // ListHosts lists hosts in scheduler.
-  rpc ListHosts(google.protobuf.Empty)returns(ListHostsResponse);
+  // LeaveHost releases host in scheduler.
+  rpc LeaveHost(LeaveHostRequest)returns(google.protobuf.Empty);

-  // DeleteHost releases host in scheduler.
-  rpc DeleteHost(DeleteHostRequest)returns(google.protobuf.Empty);
-
-  // AnnouncePersistentCachePeer announces persistent cache peer to scheduler.
-  rpc AnnouncePersistentCachePeer(stream AnnouncePersistentCachePeerRequest) returns(stream AnnouncePersistentCachePeerResponse);
-
-  // Checks information of persistent cache peer.
-  rpc StatPersistentCachePeer(StatPersistentCachePeerRequest)returns(common.v2.PersistentCachePeer);
-
-  // DeletePersistentCachePeer releases persistent cache peer in scheduler.
-  rpc DeletePersistentCachePeer(DeletePersistentCachePeerRequest)returns(google.protobuf.Empty);
-
-  // UploadPersistentCacheTaskStarted uploads persistent cache task started to scheduler.
-  rpc UploadPersistentCacheTaskStarted(UploadPersistentCacheTaskStartedRequest)returns(google.protobuf.Empty);
-
-  // UploadPersistentCacheTaskFinished uploads persistent cache task finished to scheduler.
-  rpc UploadPersistentCacheTaskFinished(UploadPersistentCacheTaskFinishedRequest)returns(common.v2.PersistentCacheTask);
-
-  // UploadPersistentCacheTaskFailed uploads persistent cache task failed to scheduler.
-  rpc UploadPersistentCacheTaskFailed(UploadPersistentCacheTaskFailedRequest)returns(google.protobuf.Empty);
-
-  // Checks information of persistent cache task.
-  rpc StatPersistentCacheTask(StatPersistentCacheTaskRequest)returns(common.v2.PersistentCacheTask);
-
-  // DeletePersistentCacheTask releases persistent cache task in scheduler.
-  rpc DeletePersistentCacheTask(DeletePersistentCacheTaskRequest)returns(google.protobuf.Empty);
+  // SyncProbes sync probes of the host.
+  rpc SyncProbes(stream SyncProbesRequest)returns(stream SyncProbesResponse);
 }
--- a/proto/security.proto
+++ b/proto/security.proto
@ -0,0 +1,51 @@
+/*
+ *     Copyright 2022 The Dragonfly Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto3";
+
+package security;
+
+import "google/protobuf/duration.proto";
+
+// Refer: https://github.com/istio/api/blob/master/security/v1alpha1/ca.proto
+// Istio defines similar api for signing certificate, but it's not applicable in Dragonfly.
+
+// Certificate request type.
+// Dragonfly supports peers authentication with Mutual TLS(mTLS)
+// For mTLS, all peers need to request TLS certificates for communicating
+// The server side may overwrite ant requested certificate filed based on its policies.
+message CertificateRequest {
+  // ASN.1 DER form certificate request.
+  // The public key in the CSR is used to generate the certificate,
+  // and other fields in the generated certificate may be overwritten by the CA.
+  bytes csr = 1;
+  // Optional: requested certificate validity period.
+  google.protobuf.Duration validity_period = 2;
+}
+
+// Certificate response type.
+message CertificateResponse {
+  // ASN.1 DER form certificate chain.
+  repeated bytes certificate_chain = 1;
+}
+
+// Service for managing certificates issued by the CA.
+service Certificate {
+  // Using provided CSR, returns a signed certificate.
+  rpc IssueCertificate(CertificateRequest)
+      returns (CertificateResponse) {
+  }
+}
--- a/src/common.v2.rs
+++ b/src/common.v2.rs
@ -1,6 +1,4 @@
-// This file is @generated by prost-build.
 /// Peer metadata.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Peer {
@ -18,7 +16,7 @@ pub struct Peer {
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Peer downloads costs time.
    #[prost(message, optional, tag = "5")]
-    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
+    pub cost: ::core::option::Option<::prost_types::Duration>,
    /// Peer state.
    #[prost(string, tag = "6")]
    pub state: ::prost::alloc::string::String,
@ -33,46 +31,12 @@ pub struct Peer {
    pub need_back_to_source: bool,
    /// Peer create time.
    #[prost(message, optional, tag = "10")]
-    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
    /// Peer update time.
    #[prost(message, optional, tag = "11")]
-    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
-}
-/// PersistentCachePeer metadata.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct PersistentCachePeer {
-    /// Peer id.
-    #[prost(string, tag = "1")]
-    pub id: ::prost::alloc::string::String,
-    /// Persistent represents whether the persistent cache peer is persistent.
-    /// If the persistent cache peer is persistent, the persistent cache peer will
-    /// not be deleted when dfdaemon runs garbage collection. It only be deleted
-    /// when the task is deleted by the user.
-    #[prost(bool, tag = "2")]
-    pub persistent: bool,
-    /// Peer downloads costs time.
-    #[prost(message, optional, tag = "3")]
-    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
-    /// Peer state.
-    #[prost(string, tag = "4")]
-    pub state: ::prost::alloc::string::String,
-    /// Persistent task info.
-    #[prost(message, optional, tag = "5")]
-    pub task: ::core::option::Option<PersistentCacheTask>,
-    /// Host info.
-    #[prost(message, optional, tag = "6")]
-    pub host: ::core::option::Option<Host>,
-    /// Peer create time.
-    #[prost(message, optional, tag = "7")]
-    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
-    /// Peer update time.
-    #[prost(message, optional, tag = "8")]
-    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    pub updated_at: ::core::option::Option<::prost_types::Timestamp>,
 }
 /// Task metadata.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Task {
@ -85,12 +49,7 @@ pub struct Task {
    /// Download url.
    #[prost(string, tag = "3")]
    pub url: ::prost::alloc::string::String,
-    /// Verifies task data integrity after download using a digest. Supports CRC32, SHA256, and SHA512 algorithms.
-    /// Format: `<algorithm>:<hash>`, e.g., `crc32:xxx`, `sha256:yyy`, `sha512:zzz`.
-    /// Returns an error if the computed digest mismatches the expected value.
-    ///
-    /// Performance
-    /// Digest calculation increases processing time. Enable only when data integrity verification is critical.
+    /// Digest of the pieces digest, for example md5:xxx or sha256:yyy.
    #[prost(string, optional, tag = "4")]
    pub digest: ::core::option::Option<::prost::alloc::string::String>,
    /// URL tag identifies different task for same url.
@ -99,99 +58,47 @@ pub struct Task {
    /// Application of task.
    #[prost(string, optional, tag = "6")]
    pub application: ::core::option::Option<::prost::alloc::string::String>,
-    /// Filtered query params to generate the task id.
-    /// When filter is \["Signature", "Expires", "ns"\], for example:
-    /// <http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io> and <http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io>
-    /// will generate the same task id.
-    /// Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+    /// Filter url used to generate task id.
    #[prost(string, repeated, tag = "7")]
-    pub filtered_query_params: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    pub filters: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
    /// Task request headers.
    #[prost(map = "string, string", tag = "8")]
-    pub request_header: ::std::collections::HashMap<
+    pub header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
+    /// Task piece length.
+    #[prost(int32, tag = "9")]
+    pub piece_length: i32,
    /// Task content length.
-    #[prost(uint64, tag = "9")]
-    pub content_length: u64,
+    #[prost(int64, tag = "10")]
+    pub content_length: i64,
    /// Task piece count.
-    #[prost(uint32, tag = "10")]
-    pub piece_count: u32,
+    #[prost(int32, tag = "11")]
+    pub piece_count: i32,
    /// Task size scope.
-    #[prost(enumeration = "SizeScope", tag = "11")]
+    #[prost(enumeration = "SizeScope", tag = "12")]
    pub size_scope: i32,
    /// Pieces of task.
-    #[prost(message, repeated, tag = "12")]
+    #[prost(message, repeated, tag = "13")]
    pub pieces: ::prost::alloc::vec::Vec<Piece>,
    /// Task state.
-    #[prost(string, tag = "13")]
+    #[prost(string, tag = "14")]
    pub state: ::prost::alloc::string::String,
    /// Task peer count.
-    #[prost(uint32, tag = "14")]
-    pub peer_count: u32,
+    #[prost(int32, tag = "15")]
+    pub peer_count: i32,
    /// Task contains available peer.
-    #[prost(bool, tag = "15")]
+    #[prost(bool, tag = "16")]
    pub has_available_peer: bool,
    /// Task create time.
-    #[prost(message, optional, tag = "16")]
-    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
-    /// Task update time.
    #[prost(message, optional, tag = "17")]
-    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
-}
-/// PersistentCacheTask metadata.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct PersistentCacheTask {
-    /// Task id.
-    #[prost(string, tag = "1")]
-    pub id: ::prost::alloc::string::String,
-    /// Replica count of the persistent cache task. The persistent cache task will
-    /// not be deleted when dfdamon runs garbage collection. It only be deleted
-    /// when the task is deleted by the user.
-    #[prost(uint64, tag = "2")]
-    pub persistent_replica_count: u64,
-    /// Current replica count of the persistent cache task. The persistent cache task
-    /// will not be deleted when dfdaemon runs garbage collection. It only be deleted
-    /// when the task is deleted by the user.
-    #[prost(uint64, tag = "3")]
-    pub current_persistent_replica_count: u64,
-    /// Current replica count of the cache task. If cache task is not persistent,
-    /// the persistent cache task will be deleted when dfdaemon runs garbage collection.
-    #[prost(uint64, tag = "4")]
-    pub current_replica_count: u64,
-    /// Tag is used to distinguish different persistent cache tasks.
-    #[prost(string, optional, tag = "5")]
-    pub tag: ::core::option::Option<::prost::alloc::string::String>,
-    /// Application of task.
-    #[prost(string, optional, tag = "6")]
-    pub application: ::core::option::Option<::prost::alloc::string::String>,
-    /// Task piece length.
-    #[prost(uint64, tag = "7")]
-    pub piece_length: u64,
-    /// Task content length.
-    #[prost(uint64, tag = "8")]
-    pub content_length: u64,
-    /// Task piece count.
-    #[prost(uint32, tag = "9")]
-    pub piece_count: u32,
-    /// Task state.
-    #[prost(string, tag = "10")]
-    pub state: ::prost::alloc::string::String,
-    /// TTL of the persistent cache task.
-    #[prost(message, optional, tag = "11")]
-    pub ttl: ::core::option::Option<::prost_wkt_types::Duration>,
-    /// Task create time.
-    #[prost(message, optional, tag = "12")]
-    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
    /// Task update time.
-    #[prost(message, optional, tag = "13")]
-    pub updated_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    #[prost(message, optional, tag = "18")]
+    pub updated_at: ::core::option::Option<::prost_types::Timestamp>,
 }
 /// Host metadata.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Host {
@ -246,14 +153,13 @@ pub struct Host {
    /// ID of the cluster to which the host belongs.
    #[prost(uint64, tag = "17")]
    pub scheduler_cluster_id: u64,
-    /// Disable shared data for other peers.
-    #[prost(bool, tag = "18")]
-    pub disable_shared: bool,
+    /// Port of object storage server.
+    #[prost(int32, tag = "18")]
+    pub object_storage_port: i32,
 }
 /// CPU Stat.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Cpu {
    /// Number of logical cores in the system.
    #[prost(uint32, tag = "1")]
@ -273,9 +179,8 @@ pub struct Cpu {
 }
 /// CPUTimes contains the amounts of time the CPU has spent performing different
 /// kinds of work. Time units are in seconds.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct CpuTimes {
    /// CPU time of user.
    #[prost(double, tag = "1")]
@ -309,9 +214,8 @@ pub struct CpuTimes {
    pub guest_nice: f64,
 }
 /// Memory Stat.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Memory {
    /// Total amount of RAM on this system.
    #[prost(uint64, tag = "1")]
@ -333,7 +237,6 @@ pub struct Memory {
    pub free: u64,
 }
 /// Network Stat.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Network {
@ -349,23 +252,10 @@ pub struct Network {
    /// IDC where the peer host is located
    #[prost(string, optional, tag = "4")]
    pub idc: ::core::option::Option<::prost::alloc::string::String>,
-    /// Download rate is received bytes per second.
-    #[prost(uint64, tag = "5")]
-    pub download_rate: u64,
-    /// Download rate is the limit of received bytes per second.
-    #[prost(uint64, tag = "6")]
-    pub download_rate_limit: u64,
-    /// Upload rate is transmitted bytes per second.
-    #[prost(uint64, tag = "7")]
-    pub upload_rate: u64,
-    /// Upload rate is the limit of transmitted bytes per second.
-    #[prost(uint64, tag = "8")]
-    pub upload_rate_limit: u64,
 }
 /// Disk Stat.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Disk {
    /// Total amount of disk on the data path of dragonfly.
    #[prost(uint64, tag = "1")]
@ -391,15 +281,8 @@ pub struct Disk {
    /// Used percent of indoes on the data path of dragonfly directory.
    #[prost(double, tag = "8")]
    pub inodes_used_percent: f64,
-    /// Disk read bandwidth, in bytes per second.
-    #[prost(uint64, tag = "9")]
-    pub read_bandwidth: u64,
-    /// Disk write bandwidth, in bytes per second.
-    #[prost(uint64, tag = "10")]
-    pub write_bandwidth: u64,
 }
 /// Build information.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Build {
@ -420,19 +303,16 @@ pub struct Build {
    pub platform: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Download information.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Download {
    /// Download url.
    #[prost(string, tag = "1")]
    pub url: ::prost::alloc::string::String,
-    /// Digest of the task digest, for example :xxx or sha256:yyy.
+    /// Digest of the pieces digest, for example md5:xxx or sha256:yyy.
    #[prost(string, optional, tag = "2")]
    pub digest: ::core::option::Option<::prost::alloc::string::String>,
-    /// Range is url range of request. If protocol is http, range
-    /// will set in request header. If protocol is others, range
-    /// will set in range field.
+    /// Range is url range of request.
    #[prost(message, optional, tag = "3")]
    pub range: ::core::option::Option<Range>,
    /// Task type.
@ -447,133 +327,49 @@ pub struct Download {
    /// Peer priority.
    #[prost(enumeration = "Priority", tag = "7")]
    pub priority: i32,
-    /// Filtered query params to generate the task id.
-    /// When filter is \["Signature", "Expires", "ns"\], for example:
-    /// <http://example.com/xyz?Expires=e1&Signature=s1&ns=docker.io> and <http://example.com/xyz?Expires=e2&Signature=s2&ns=docker.io>
-    /// will generate the same task id.
-    /// Default value includes the filtered query params of s3, gcs, oss, obs, cos.
+    /// Filter url used to generate task id.
    #[prost(string, repeated, tag = "8")]
-    pub filtered_query_params: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
+    pub filters: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
    /// Task request headers.
    #[prost(map = "string, string", tag = "9")]
-    pub request_header: ::std::collections::HashMap<
+    pub header: ::std::collections::HashMap<
        ::prost::alloc::string::String,
        ::prost::alloc::string::String,
    >,
    /// Task piece length.
-    #[prost(uint64, optional, tag = "10")]
-    pub piece_length: ::core::option::Option<u64>,
-    /// File path to be downloaded. If output_path is set, the downloaded file will be saved to the specified path.
-    /// Dfdaemon will try to create hard link to the output path before starting the download. If hard link creation fails,
-    /// it will copy the file to the output path after the download is completed.
-    /// For more details refer to <https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.>
-    #[prost(string, optional, tag = "11")]
-    pub output_path: ::core::option::Option<::prost::alloc::string::String>,
+    #[prost(int32, tag = "10")]
+    pub piece_length: i32,
+    /// File path to be exported.
+    #[prost(string, tag = "11")]
+    pub output_path: ::prost::alloc::string::String,
    /// Download timeout.
    #[prost(message, optional, tag = "12")]
-    pub timeout: ::core::option::Option<::prost_wkt_types::Duration>,
-    /// Dfdaemon cannot download the task from the source if disable_back_to_source is true.
-    #[prost(bool, tag = "13")]
-    pub disable_back_to_source: bool,
-    /// Scheduler needs to schedule the task downloads from the source if need_back_to_source is true.
+    pub timeout: ::core::option::Option<::prost_types::Duration>,
+    /// Download rate limit in bytes per second.
+    #[prost(double, optional, tag = "13")]
+    pub download_rate_limit: ::core::option::Option<f64>,
+    /// NeedBackToSource needs downloaded from source.
    #[prost(bool, tag = "14")]
    pub need_back_to_source: bool,
-    /// certificate_chain is the client certs with DER format for the backend client to download back-to-source.
-    #[prost(bytes = "vec", repeated, tag = "15")]
-    pub certificate_chain: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
-    /// Prefetch pre-downloads all pieces of the task when the download task request is a range request.
-    #[prost(bool, tag = "16")]
-    pub prefetch: bool,
-    /// Object storage protocol information.
-    #[prost(message, optional, tag = "17")]
-    pub object_storage: ::core::option::Option<ObjectStorage>,
-    /// HDFS protocol information.
-    #[prost(message, optional, tag = "18")]
-    pub hdfs: ::core::option::Option<Hdfs>,
-    /// is_prefetch is the flag to indicate whether the request is a prefetch request.
-    #[prost(bool, tag = "19")]
-    pub is_prefetch: bool,
-    /// need_piece_content is the flag to indicate whether the response needs to return piece content.
-    #[prost(bool, tag = "20")]
-    pub need_piece_content: bool,
-    /// load_to_cache indicates whether the content downloaded will be stored in the cache storage.
-    /// Cache storage is designed to store downloaded piece content from preheat tasks,
-    /// allowing other peers to access the content from memory instead of disk.
-    #[prost(bool, tag = "21")]
-    pub load_to_cache: bool,
-    /// force_hard_link is the flag to indicate whether the download file must be hard linked to the output path.
-    /// For more details refer to <https://github.com/dragonflyoss/design/blob/main/systems-analysis/file-download-workflow-with-hard-link/README.md.>
-    #[prost(bool, tag = "22")]
-    pub force_hard_link: bool,
-    /// content_for_calculating_task_id is the content used to calculate the task id.
-    /// If content_for_calculating_task_id is set, use its value to calculate the task ID.
-    /// Otherwise, calculate the task ID based on url, piece_length, tag, application, and filtered_query_params.
-    #[prost(string, optional, tag = "23")]
-    pub content_for_calculating_task_id: ::core::option::Option<
-        ::prost::alloc::string::String,
-    >,
-    /// remote_ip represents the IP address of the client initiating the download request.
-    /// For proxy requests, it is set to the IP address of the request source.
-    /// For dfget requests, it is set to the IP address of the dfget.
-    #[prost(string, optional, tag = "24")]
-    pub remote_ip: ::core::option::Option<::prost::alloc::string::String>,
-}
-/// Object Storage related information.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ObjectStorage {
-    /// Region is the region of the object storage service.
-    #[prost(string, optional, tag = "1")]
-    pub region: ::core::option::Option<::prost::alloc::string::String>,
-    /// Endpoint is the endpoint of the object storage service.
-    #[prost(string, optional, tag = "2")]
-    pub endpoint: ::core::option::Option<::prost::alloc::string::String>,
-    /// Access key that used to access the object storage service.
-    #[prost(string, optional, tag = "3")]
-    pub access_key_id: ::core::option::Option<::prost::alloc::string::String>,
-    /// Access secret that used to access the object storage service.
-    #[prost(string, optional, tag = "4")]
-    pub access_key_secret: ::core::option::Option<::prost::alloc::string::String>,
-    /// Session token that used to access s3 storage service.
-    #[prost(string, optional, tag = "5")]
-    pub session_token: ::core::option::Option<::prost::alloc::string::String>,
-    /// Local path to credential file for Google Cloud Storage service OAuth2 authentication.
-    #[prost(string, optional, tag = "6")]
-    pub credential_path: ::core::option::Option<::prost::alloc::string::String>,
-    /// Predefined ACL that used for the Google Cloud Storage service.
-    #[prost(string, optional, tag = "7")]
-    pub predefined_acl: ::core::option::Option<::prost::alloc::string::String>,
-}
-/// HDFS related information.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct Hdfs {
-    /// Delegation token for Web HDFS operator.
-    #[prost(string, optional, tag = "1")]
-    pub delegation_token: ::core::option::Option<::prost::alloc::string::String>,
 }
 /// Range represents download range.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, Copy, PartialEq, ::prost::Message)]
+#[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Range {
    /// Start of range.
-    #[prost(uint64, tag = "1")]
-    pub start: u64,
+    #[prost(int64, tag = "1")]
+    pub start: i64,
    /// Length of range.
-    #[prost(uint64, tag = "2")]
-    pub length: u64,
+    #[prost(int64, tag = "2")]
+    pub length: i64,
 }
 /// Piece represents information of piece.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Piece {
    /// Piece number.
-    #[prost(uint32, tag = "1")]
-    pub number: u32,
+    #[prost(int32, tag = "1")]
+    pub number: i32,
    /// Parent peer id.
    #[prost(string, optional, tag = "2")]
    pub parent_id: ::core::option::Option<::prost::alloc::string::String>,
@ -583,24 +379,23 @@ pub struct Piece {
    /// Piece length.
    #[prost(uint64, tag = "4")]
    pub length: u64,
-    /// Digest of the piece data, for example blake3:xxx or sha256:yyy.
+    /// Digest of the piece data, for example md5:xxx or sha256:yyy.
    #[prost(string, tag = "5")]
    pub digest: ::prost::alloc::string::String,
    /// Piece content.
-    #[prost(bytes = "vec", optional, tag = "6")]
-    pub content: ::core::option::Option<::prost::alloc::vec::Vec<u8>>,
+    #[prost(bytes = "vec", tag = "6")]
+    pub content: ::prost::alloc::vec::Vec<u8>,
    /// Traffic type.
-    #[prost(enumeration = "TrafficType", optional, tag = "7")]
-    pub traffic_type: ::core::option::Option<i32>,
+    #[prost(enumeration = "TrafficType", tag = "7")]
+    pub traffic_type: i32,
    /// Downloading piece costs time.
    #[prost(message, optional, tag = "8")]
-    pub cost: ::core::option::Option<::prost_wkt_types::Duration>,
+    pub cost: ::core::option::Option<::prost_types::Duration>,
    /// Piece create time.
    #[prost(message, optional, tag = "9")]
-    pub created_at: ::core::option::Option<::prost_wkt_types::Timestamp>,
+    pub created_at: ::core::option::Option<::prost_types::Timestamp>,
 }
 /// SizeScope represents size scope of task.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum SizeScope {
@ -638,26 +433,19 @@ impl SizeScope {
    }
 }
 /// TaskType represents type of task.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum TaskType {
-    /// STANDARD is standard type of task, it can download from source, remote peer and
-    /// local peer(local cache). When the standard task is never downloaded in the
-    /// P2P cluster, dfdaemon will download the task from the source. When the standard
-    /// task is downloaded in the P2P cluster, dfdaemon will download the task from
-    /// the remote peer or local peer(local cache).
-    Standard = 0,
-    /// PERSISTENT is persistent type of task, it can import file and export file in P2P cluster.
-    /// When the persistent task is imported into the P2P cluster, dfdaemon will store
-    /// the task in the peer's disk and copy multiple replicas to remote peers to
-    /// prevent data loss.
-    Persistent = 1,
-    /// PERSISTENT_CACHE is persistent cache type of task, it can import file and export file in P2P cluster.
-    /// When the persistent cache task is imported into the P2P cluster, dfdaemon will store
-    /// the task in the peer's disk and copy multiple replicas to remote peers to prevent data loss.
-    /// When the expiration time is reached, task will be deleted in the P2P cluster.
-    PersistentCache = 2,
+    /// DFDAEMON is dfdeamon type of task,
+    /// dfdeamon task is a normal p2p task.
+    Dfdaemon = 0,
+    /// DFCACHE is dfcache type of task,
+    /// dfcache task is a cache task, and the task url is fake url.
+    /// It can only be used for caching and cannot be downloaded back to source.
+    Dfcache = 1,
+    /// DFSTORE is dfstore type of task,
+    /// dfstore task is a persistent task in backend.
+    Dfstore = 2,
 }
 impl TaskType {
    /// String value of the enum field names used in the ProtoBuf definition.
@ -666,23 +454,22 @@ impl TaskType {
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
-            TaskType::Standard => "STANDARD",
-            TaskType::Persistent => "PERSISTENT",
-            TaskType::PersistentCache => "PERSISTENT_CACHE",
+            TaskType::Dfdaemon => "DFDAEMON",
+            TaskType::Dfcache => "DFCACHE",
+            TaskType::Dfstore => "DFSTORE",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
-            "STANDARD" => Some(Self::Standard),
-            "PERSISTENT" => Some(Self::Persistent),
-            "PERSISTENT_CACHE" => Some(Self::PersistentCache),
+            "DFDAEMON" => Some(Self::Dfdaemon),
+            "DFCACHE" => Some(Self::Dfcache),
+            "DFSTORE" => Some(Self::Dfstore),
            _ => None,
        }
    }
 }
 /// TrafficType represents type of traffic.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum TrafficType {
@ -716,7 +503,6 @@ impl TrafficType {
    }
 }
 /// Priority represents priority of application.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum Priority {
--- a/src/descriptor.bin
+++ b/src/descriptor.bin
--- a/src/dfdaemon.v2.rs
+++ b/src/dfdaemon.v2.rs
--- a/src/errordetails.v2.rs
+++ b/src/errordetails.v2.rs
@ -1,28 +0,0 @@
-// This file is @generated by prost-build.
-/// Backend is error detail for Backend.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct Backend {
-    /// Backend error message.
-    #[prost(string, tag = "1")]
-    pub message: ::prost::alloc::string::String,
-    /// Backend HTTP response header.
-    #[prost(map = "string, string", tag = "2")]
-    pub header: ::std::collections::HashMap<
-        ::prost::alloc::string::String,
-        ::prost::alloc::string::String,
-    >,
-    /// Backend HTTP status code.
-    #[prost(int32, optional, tag = "3")]
-    pub status_code: ::core::option::Option<i32>,
-}
-/// Unknown is error detail for Unknown.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct Unknown {
-    /// Unknown error message.
-    #[prost(string, optional, tag = "1")]
-    pub message: ::core::option::Option<::prost::alloc::string::String>,
-}
--- a/src/lib.rs
+++ b/src/lib.rs
@ -4,12 +4,6 @@ pub mod common {
    pub mod v2;
 }

-#[path = ""]
-pub mod errordetails {
-    #[path = "errordetails.v2.rs"]
-    pub mod v2;
-}
-
 #[path = ""]
 pub mod dfdaemon {
    #[path = "dfdaemon.v2.rs"]
@ -28,5 +22,7 @@ pub mod scheduler {
    pub mod v2;
 }

+pub mod security;
+
 // FILE_DESCRIPTOR_SET is the serialized FileDescriptorSet of the proto files.
 pub const FILE_DESCRIPTOR_SET: &[u8] = include_bytes!("descriptor.bin");
--- a/src/manager.v2.rs
+++ b/src/manager.v2.rs
@ -1,6 +1,4 @@
-// This file is @generated by prost-build.
 /// SeedPeerCluster represents cluster of seed peer.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SeedPeerCluster {
@ -18,7 +16,6 @@ pub struct SeedPeerCluster {
    pub config: ::prost::alloc::vec::Vec<u8>,
 }
 /// SeedPeer represents seed peer for network.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SeedPeer {
@ -58,9 +55,11 @@ pub struct SeedPeer {
    /// Schedulers included in seed peer.
    #[prost(message, repeated, tag = "12")]
    pub schedulers: ::prost::alloc::vec::Vec<Scheduler>,
+    /// Seed peer object storage port.
+    #[prost(int32, tag = "13")]
+    pub object_storage_port: i32,
 }
 /// GetSeedPeerRequest represents request of GetSeedPeer.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetSeedPeerRequest {
@ -77,38 +76,7 @@ pub struct GetSeedPeerRequest {
    #[prost(string, tag = "4")]
    pub ip: ::prost::alloc::string::String,
 }
-/// ListSeedPeersRequest represents request of ListSeedPeers.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ListSeedPeersRequest {
-    /// Request source type.
-    #[prost(enumeration = "SourceType", tag = "1")]
-    pub source_type: i32,
-    /// Source service hostname.
-    #[prost(string, tag = "2")]
-    pub hostname: ::prost::alloc::string::String,
-    /// Source service ip.
-    #[prost(string, tag = "3")]
-    pub ip: ::prost::alloc::string::String,
-    /// Dfdaemon version.
-    #[prost(string, tag = "4")]
-    pub version: ::prost::alloc::string::String,
-    /// Dfdaemon commit.
-    #[prost(string, tag = "5")]
-    pub commit: ::prost::alloc::string::String,
-}
-/// ListSeedPeersResponse represents response of ListSeedPeers.
-#[derive(serde::Serialize, serde::Deserialize)]
-#[allow(clippy::derive_partial_eq_without_eq)]
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ListSeedPeersResponse {
-    /// Seed peers to which the source service belongs.
-    #[prost(message, repeated, tag = "1")]
-    pub seed_peers: ::prost::alloc::vec::Vec<SeedPeer>,
-}
 /// UpdateSeedPeerRequest represents request of UpdateSeedPeer.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateSeedPeerRequest {
@ -139,9 +107,11 @@ pub struct UpdateSeedPeerRequest {
    /// ID of the cluster to which the seed peer belongs.
    #[prost(uint64, tag = "9")]
    pub seed_peer_cluster_id: u64,
+    /// Seed peer object storage port.
+    #[prost(int32, tag = "10")]
+    pub object_storage_port: i32,
 }
 /// DeleteSeedPeerRequest represents request of DeleteSeedPeer.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct DeleteSeedPeerRequest {
@ -159,7 +129,6 @@ pub struct DeleteSeedPeerRequest {
    pub ip: ::prost::alloc::string::String,
 }
 /// SeedPeerCluster represents cluster of scheduler.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SchedulerCluster {
@ -183,7 +152,6 @@ pub struct SchedulerCluster {
    pub scopes: ::prost::alloc::vec::Vec<u8>,
 }
 /// SeedPeerCluster represents scheduler for network.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Scheduler {
@ -222,7 +190,6 @@ pub struct Scheduler {
    pub features: ::prost::alloc::vec::Vec<u8>,
 }
 /// GetSchedulerRequest represents request of GetScheduler.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct GetSchedulerRequest {
@ -240,7 +207,6 @@ pub struct GetSchedulerRequest {
    pub ip: ::prost::alloc::string::String,
 }
 /// UpdateSchedulerRequest represents request of UpdateScheduler.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UpdateSchedulerRequest {
@ -265,15 +231,8 @@ pub struct UpdateSchedulerRequest {
    /// Scheduler port.
    #[prost(int32, tag = "7")]
    pub port: i32,
-    /// Scheduler features.
-    #[prost(string, repeated, tag = "8")]
-    pub features: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
-    /// Scheduler Configuration.
-    #[prost(bytes = "vec", tag = "9")]
-    pub config: ::prost::alloc::vec::Vec<u8>,
 }
 /// ListSchedulersRequest represents request of ListSchedulers.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListSchedulersRequest {
@ -298,12 +257,8 @@ pub struct ListSchedulersRequest {
    /// Dfdaemon commit.
    #[prost(string, tag = "7")]
    pub commit: ::prost::alloc::string::String,
-    /// ID of the cluster to which the scheduler belongs.
-    #[prost(uint64, tag = "8")]
-    pub scheduler_cluster_id: u64,
 }
 /// ListSchedulersResponse represents response of ListSchedulers.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListSchedulersResponse {
@ -311,8 +266,82 @@ pub struct ListSchedulersResponse {
    #[prost(message, repeated, tag = "1")]
    pub schedulers: ::prost::alloc::vec::Vec<Scheduler>,
 }
+/// ObjectStorage represents config of object storage.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ObjectStorage {
+    /// name is object storage name of type, it can be s3, oss or obs.
+    #[prost(string, tag = "1")]
+    pub name: ::prost::alloc::string::String,
+    /// Region is storage region.
+    #[prost(string, tag = "2")]
+    pub region: ::prost::alloc::string::String,
+    /// Endpoint is datacenter endpoint.
+    #[prost(string, tag = "3")]
+    pub endpoint: ::prost::alloc::string::String,
+    /// AccessKey is access key ID.
+    #[prost(string, tag = "4")]
+    pub access_key: ::prost::alloc::string::String,
+    /// SecretKey is access key secret.
+    #[prost(string, tag = "5")]
+    pub secret_key: ::prost::alloc::string::String,
+    /// S3ForcePathStyle sets force path style for s3, true by default.
+    /// Set this to `true` to force the request to use path-style addressing,
+    /// i.e., `<http://s3.amazonaws.com/BUCKET/KEY`.> By default, the S3 client
+    /// will use virtual hosted bucket addressing when possible
+    /// (`<http://BUCKET.s3.amazonaws.com/KEY`>).
+    /// Refer to <https://github.com/aws/aws-sdk-go/blob/main/aws/config.go#L118.>
+    #[prost(bool, tag = "6")]
+    pub s3_force_path_style: bool,
+    /// Scheme is the scheme of the http client.
+    #[prost(string, tag = "7")]
+    pub scheme: ::prost::alloc::string::String,
+}
+/// GetObjectStorageRequest represents request of GetObjectStorage.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct GetObjectStorageRequest {
+    /// Request source type.
+    #[prost(enumeration = "SourceType", tag = "1")]
+    pub source_type: i32,
+    /// Source service hostname.
+    #[prost(string, tag = "2")]
+    pub hostname: ::prost::alloc::string::String,
+    /// Source service ip.
+    #[prost(string, tag = "3")]
+    pub ip: ::prost::alloc::string::String,
+}
+/// Bucket represents config of bucket.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct Bucket {
+    /// Bucket name.
+    #[prost(string, tag = "1")]
+    pub name: ::prost::alloc::string::String,
+}
+/// ListSchedulersRequest represents request of ListBuckets.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListBucketsRequest {
+    /// Request source type.
+    #[prost(enumeration = "SourceType", tag = "1")]
+    pub source_type: i32,
+    /// Source service hostname.
+    #[prost(string, tag = "2")]
+    pub hostname: ::prost::alloc::string::String,
+    /// Source service ip.
+    #[prost(string, tag = "3")]
+    pub ip: ::prost::alloc::string::String,
+}
+/// ListBucketsResponse represents response of ListBuckets.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct ListBucketsResponse {
+    /// Bucket configs.
+    #[prost(message, repeated, tag = "1")]
+    pub buckets: ::prost::alloc::vec::Vec<Bucket>,
+}
 /// URLPriority represents config of url priority.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct UrlPriority {
@ -324,7 +353,6 @@ pub struct UrlPriority {
    pub value: i32,
 }
 /// ApplicationPriority represents config of application priority.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ApplicationPriority {
@ -336,7 +364,6 @@ pub struct ApplicationPriority {
    pub urls: ::prost::alloc::vec::Vec<UrlPriority>,
 }
 /// Application represents config of application.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct Application {
@ -357,7 +384,6 @@ pub struct Application {
    pub priority: ::core::option::Option<ApplicationPriority>,
 }
 /// ListApplicationsRequest represents request of ListApplications.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListApplicationsRequest {
@ -372,7 +398,6 @@ pub struct ListApplicationsRequest {
    pub ip: ::prost::alloc::string::String,
 }
 /// ListApplicationsResponse represents response of ListApplications.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct ListApplicationsResponse {
@ -380,8 +405,62 @@ pub struct ListApplicationsResponse {
    #[prost(message, repeated, tag = "1")]
    pub applications: ::prost::alloc::vec::Vec<Application>,
 }
+/// CreateGNNRequest represents to create GNN model request of TrainRequest.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CreateGnnRequest {
+    /// Protocol buffer file of model.
+    #[prost(bytes = "vec", tag = "1")]
+    pub data: ::prost::alloc::vec::Vec<u8>,
+    /// Recall of the model.
+    #[prost(double, tag = "2")]
+    pub recall: f64,
+    /// Precision of the model.
+    #[prost(double, tag = "3")]
+    pub precision: f64,
+    /// F1-Score of the model.
+    #[prost(double, tag = "4")]
+    pub f1_score: f64,
+}
+/// CreateMLPRequest represents to create MLP model request of TrainRequest.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CreateMlpRequest {
+    /// Protocol buffer file of model.
+    #[prost(bytes = "vec", tag = "1")]
+    pub data: ::prost::alloc::vec::Vec<u8>,
+    /// MSE of the model.
+    #[prost(double, tag = "2")]
+    pub mse: f64,
+    /// MAE of the model.
+    #[prost(double, tag = "3")]
+    pub mae: f64,
+}
+/// CreateModelRequest represents request of CreateModel.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CreateModelRequest {
+    /// Scheduler hostname.
+    #[prost(string, tag = "1")]
+    pub hostname: ::prost::alloc::string::String,
+    /// Scheduler ip.
+    #[prost(string, tag = "2")]
+    pub ip: ::prost::alloc::string::String,
+    #[prost(oneof = "create_model_request::Request", tags = "3, 4")]
+    pub request: ::core::option::Option<create_model_request::Request>,
+}
+/// Nested message and enum types in `CreateModelRequest`.
+pub mod create_model_request {
+    #[allow(clippy::derive_partial_eq_without_eq)]
+    #[derive(Clone, PartialEq, ::prost::Oneof)]
+    pub enum Request {
+        #[prost(message, tag = "3")]
+        CreateGnnRequest(super::CreateGnnRequest),
+        #[prost(message, tag = "4")]
+        CreateMlpRequest(super::CreateMlpRequest),
+    }
+}
 /// KeepAliveRequest represents request of KeepAlive.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[allow(clippy::derive_partial_eq_without_eq)]
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct KeepAliveRequest {
@ -399,7 +478,6 @@ pub struct KeepAliveRequest {
    pub ip: ::prost::alloc::string::String,
 }
 /// Request source type.
-#[derive(serde::Serialize, serde::Deserialize)]
 #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
 #[repr(i32)]
 pub enum SourceType {
@ -457,8 +535,8 @@ pub mod manager_client {
    where
        T: tonic::client::GrpcService<tonic::body::BoxBody>,
        T::Error: Into<StdError>,
-        T::ResponseBody: Body<Data = Bytes> + std::marker::Send + 'static,
-        <T::ResponseBody as Body>::Error: Into<StdError> + std::marker::Send,
+        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
    {
        pub fn new(inner: T) -> Self {
            let inner = tonic::client::Grpc::new(inner);
@ -483,7 +561,7 @@ pub mod manager_client {
            >,
            <T as tonic::codegen::Service<
                http::Request<tonic::body::BoxBody>,
-            >>::Error: Into<StdError> + std::marker::Send + std::marker::Sync,
+            >>::Error: Into<StdError> + Send + Sync,
        {
            ManagerClient::new(InterceptedService::new(inner, interceptor))
        }
@ -541,32 +619,6 @@ pub mod manager_client {
                .insert(GrpcMethod::new("manager.v2.Manager", "GetSeedPeer"));
            self.inner.unary(req, path, codec).await
        }
-        /// List acitve schedulers configuration.
-        pub async fn list_seed_peers(
-            &mut self,
-            request: impl tonic::IntoRequest<super::ListSeedPeersRequest>,
-        ) -> std::result::Result<
-            tonic::Response<super::ListSeedPeersResponse>,
-            tonic::Status,
-        > {
-            self.inner
-                .ready()
-                .await
-                .map_err(|e| {
-                    tonic::Status::new(
-                        tonic::Code::Unknown,
-                        format!("Service was not ready: {}", e.into()),
-                    )
-                })?;
-            let codec = tonic::codec::ProstCodec::default();
-            let path = http::uri::PathAndQuery::from_static(
-                "/manager.v2.Manager/ListSeedPeers",
-            );
-            let mut req = request.into_request();
-            req.extensions_mut()
-                .insert(GrpcMethod::new("manager.v2.Manager", "ListSeedPeers"));
-            self.inner.unary(req, path, codec).await
-        }
        /// Update SeedPeer configuration.
        pub async fn update_seed_peer(
            &mut self,
@ -685,6 +737,55 @@ pub mod manager_client {
                .insert(GrpcMethod::new("manager.v2.Manager", "ListSchedulers"));
            self.inner.unary(req, path, codec).await
        }
+        /// Get ObjectStorage configuration.
+        pub async fn get_object_storage(
+            &mut self,
+            request: impl tonic::IntoRequest<super::GetObjectStorageRequest>,
+        ) -> std::result::Result<tonic::Response<super::ObjectStorage>, tonic::Status> {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/manager.v2.Manager/GetObjectStorage",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("manager.v2.Manager", "GetObjectStorage"));
+            self.inner.unary(req, path, codec).await
+        }
+        /// List buckets configuration.
+        pub async fn list_buckets(
+            &mut self,
+            request: impl tonic::IntoRequest<super::ListBucketsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::ListBucketsResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/manager.v2.Manager/ListBuckets",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("manager.v2.Manager", "ListBuckets"));
+            self.inner.unary(req, path, codec).await
+        }
        /// List applications configuration.
        pub async fn list_applications(
            &mut self,
@ -711,6 +812,29 @@ pub mod manager_client {
                .insert(GrpcMethod::new("manager.v2.Manager", "ListApplications"));
            self.inner.unary(req, path, codec).await
        }
+        /// Create model and update data of model to object storage.
+        pub async fn create_model(
+            &mut self,
+            request: impl tonic::IntoRequest<super::CreateModelRequest>,
+        ) -> std::result::Result<tonic::Response<()>, tonic::Status> {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/manager.v2.Manager/CreateModel",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("manager.v2.Manager", "CreateModel"));
+            self.inner.unary(req, path, codec).await
+        }
        /// KeepAlive with manager.
        pub async fn keep_alive(
            &mut self,
@ -742,20 +866,12 @@ pub mod manager_server {
    use tonic::codegen::*;
    /// Generated trait containing gRPC methods that should be implemented for use with ManagerServer.
    #[async_trait]
-    pub trait Manager: std::marker::Send + std::marker::Sync + 'static {
+    pub trait Manager: Send + Sync + 'static {
        /// Get SeedPeer and SeedPeer cluster configuration.
        async fn get_seed_peer(
            &self,
            request: tonic::Request<super::GetSeedPeerRequest>,
        ) -> std::result::Result<tonic::Response<super::SeedPeer>, tonic::Status>;
-        /// List acitve schedulers configuration.
-        async fn list_seed_peers(
-            &self,
-            request: tonic::Request<super::ListSeedPeersRequest>,
-        ) -> std::result::Result<
-            tonic::Response<super::ListSeedPeersResponse>,
-            tonic::Status,
-        >;
        /// Update SeedPeer configuration.
        async fn update_seed_peer(
            &self,
@ -784,6 +900,19 @@ pub mod manager_server {
            tonic::Response<super::ListSchedulersResponse>,
            tonic::Status,
        >;
+        /// Get ObjectStorage configuration.
+        async fn get_object_storage(
+            &self,
+            request: tonic::Request<super::GetObjectStorageRequest>,
+        ) -> std::result::Result<tonic::Response<super::ObjectStorage>, tonic::Status>;
+        /// List buckets configuration.
+        async fn list_buckets(
+            &self,
+            request: tonic::Request<super::ListBucketsRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::ListBucketsResponse>,
+            tonic::Status,
+        >;
        /// List applications configuration.
        async fn list_applications(
            &self,
@ -792,6 +921,11 @@ pub mod manager_server {
            tonic::Response<super::ListApplicationsResponse>,
            tonic::Status,
        >;
+        /// Create model and update data of model to object storage.
+        async fn create_model(
+            &self,
+            request: tonic::Request<super::CreateModelRequest>,
+        ) -> std::result::Result<tonic::Response<()>, tonic::Status>;
        /// KeepAlive with manager.
        async fn keep_alive(
            &self,
@ -800,18 +934,20 @@ pub mod manager_server {
    }
    /// Manager RPC Service.
    #[derive(Debug)]
-    pub struct ManagerServer<T> {
-        inner: Arc<T>,
+    pub struct ManagerServer<T: Manager> {
+        inner: _Inner<T>,
        accept_compression_encodings: EnabledCompressionEncodings,
        send_compression_encodings: EnabledCompressionEncodings,
        max_decoding_message_size: Option<usize>,
        max_encoding_message_size: Option<usize>,
    }
-    impl<T> ManagerServer<T> {
+    struct _Inner<T>(Arc<T>);
+    impl<T: Manager> ManagerServer<T> {
        pub fn new(inner: T) -> Self {
            Self::from_arc(Arc::new(inner))
        }
        pub fn from_arc(inner: Arc<T>) -> Self {
+            let inner = _Inner(inner);
            Self {
                inner,
                accept_compression_encodings: Default::default(),
@ -861,8 +997,8 @@ pub mod manager_server {
    impl<T, B> tonic::codegen::Service<http::Request<B>> for ManagerServer<T>
    where
        T: Manager,
-        B: Body + std::marker::Send + 'static,
-        B::Error: Into<StdError> + std::marker::Send + 'static,
+        B: Body + Send + 'static,
+        B::Error: Into<StdError> + Send + 'static,
    {
        type Response = http::Response<tonic::body::BoxBody>;
        type Error = std::convert::Infallible;
@ -874,6 +1010,7 @@ pub mod manager_server {
            Poll::Ready(Ok(()))
        }
        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            let inner = self.inner.clone();
            match req.uri().path() {
                "/manager.v2.Manager/GetSeedPeer" => {
                    #[allow(non_camel_case_types)]
@ -893,7 +1030,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::get_seed_peer(&inner, request).await
+                                (*inner).get_seed_peer(request).await
                            };
                            Box::pin(fut)
                        }
@ -904,6 +1041,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = GetSeedPeerSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -920,51 +1058,6 @@ pub mod manager_server {
                    };
                    Box::pin(fut)
                }
-                "/manager.v2.Manager/ListSeedPeers" => {
-                    #[allow(non_camel_case_types)]
-                    struct ListSeedPeersSvc<T: Manager>(pub Arc<T>);
-                    impl<
-                        T: Manager,
-                    > tonic::server::UnaryService<super::ListSeedPeersRequest>
-                    for ListSeedPeersSvc<T> {
-                        type Response = super::ListSeedPeersResponse;
-                        type Future = BoxFuture<
-                            tonic::Response<Self::Response>,
-                            tonic::Status,
-                        >;
-                        fn call(
-                            &mut self,
-                            request: tonic::Request<super::ListSeedPeersRequest>,
-                        ) -> Self::Future {
-                            let inner = Arc::clone(&self.0);
-                            let fut = async move {
-                                <T as Manager>::list_seed_peers(&inner, request).await
-                            };
-                            Box::pin(fut)
-                        }
-                    }
-                    let accept_compression_encodings = self.accept_compression_encodings;
-                    let send_compression_encodings = self.send_compression_encodings;
-                    let max_decoding_message_size = self.max_decoding_message_size;
-                    let max_encoding_message_size = self.max_encoding_message_size;
-                    let inner = self.inner.clone();
-                    let fut = async move {
-                        let method = ListSeedPeersSvc(inner);
-                        let codec = tonic::codec::ProstCodec::default();
-                        let mut grpc = tonic::server::Grpc::new(codec)
-                            .apply_compression_config(
-                                accept_compression_encodings,
-                                send_compression_encodings,
-                            )
-                            .apply_max_message_size_config(
-                                max_decoding_message_size,
-                                max_encoding_message_size,
-                            );
-                        let res = grpc.unary(method, req).await;
-                        Ok(res)
-                    };
-                    Box::pin(fut)
-                }
                "/manager.v2.Manager/UpdateSeedPeer" => {
                    #[allow(non_camel_case_types)]
                    struct UpdateSeedPeerSvc<T: Manager>(pub Arc<T>);
@ -983,7 +1076,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::update_seed_peer(&inner, request).await
+                                (*inner).update_seed_peer(request).await
                            };
                            Box::pin(fut)
                        }
@ -994,6 +1087,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = UpdateSeedPeerSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1028,7 +1122,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::delete_seed_peer(&inner, request).await
+                                (*inner).delete_seed_peer(request).await
                            };
                            Box::pin(fut)
                        }
@ -1039,6 +1133,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = DeleteSeedPeerSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1073,7 +1168,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::get_scheduler(&inner, request).await
+                                (*inner).get_scheduler(request).await
                            };
                            Box::pin(fut)
                        }
@ -1084,6 +1179,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = GetSchedulerSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1118,7 +1214,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::update_scheduler(&inner, request).await
+                                (*inner).update_scheduler(request).await
                            };
                            Box::pin(fut)
                        }
@ -1129,6 +1225,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = UpdateSchedulerSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1163,7 +1260,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::list_schedulers(&inner, request).await
+                                (*inner).list_schedulers(request).await
                            };
                            Box::pin(fut)
                        }
@ -1174,6 +1271,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = ListSchedulersSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1190,6 +1288,98 @@ pub mod manager_server {
                    };
                    Box::pin(fut)
                }
+                "/manager.v2.Manager/GetObjectStorage" => {
+                    #[allow(non_camel_case_types)]
+                    struct GetObjectStorageSvc<T: Manager>(pub Arc<T>);
+                    impl<
+                        T: Manager,
+                    > tonic::server::UnaryService<super::GetObjectStorageRequest>
+                    for GetObjectStorageSvc<T> {
+                        type Response = super::ObjectStorage;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::GetObjectStorageRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                (*inner).get_object_storage(request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = GetObjectStorageSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                "/manager.v2.Manager/ListBuckets" => {
+                    #[allow(non_camel_case_types)]
+                    struct ListBucketsSvc<T: Manager>(pub Arc<T>);
+                    impl<
+                        T: Manager,
+                    > tonic::server::UnaryService<super::ListBucketsRequest>
+                    for ListBucketsSvc<T> {
+                        type Response = super::ListBucketsResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::ListBucketsRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                (*inner).list_buckets(request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = ListBucketsSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
                "/manager.v2.Manager/ListApplications" => {
                    #[allow(non_camel_case_types)]
                    struct ListApplicationsSvc<T: Manager>(pub Arc<T>);
@ -1208,7 +1398,7 @@ pub mod manager_server {
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
                            let fut = async move {
-                                <T as Manager>::list_applications(&inner, request).await
+                                (*inner).list_applications(request).await
                            };
                            Box::pin(fut)
                        }
@ -1219,6 +1409,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = ListApplicationsSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1235,6 +1426,52 @@ pub mod manager_server {
                    };
                    Box::pin(fut)
                }
+                "/manager.v2.Manager/CreateModel" => {
+                    #[allow(non_camel_case_types)]
+                    struct CreateModelSvc<T: Manager>(pub Arc<T>);
+                    impl<
+                        T: Manager,
+                    > tonic::server::UnaryService<super::CreateModelRequest>
+                    for CreateModelSvc<T> {
+                        type Response = ();
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::CreateModelRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                (*inner).create_model(request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = CreateModelSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
                "/manager.v2.Manager/KeepAlive" => {
                    #[allow(non_camel_case_types)]
                    struct KeepAliveSvc<T: Manager>(pub Arc<T>);
@ -1254,9 +1491,7 @@ pub mod manager_server {
                            >,
                        ) -> Self::Future {
                            let inner = Arc::clone(&self.0);
-                            let fut = async move {
-                                <T as Manager>::keep_alive(&inner, request).await
-                            };
+                            let fut = async move { (*inner).keep_alive(request).await };
                            Box::pin(fut)
                        }
                    }
@ -1266,6 +1501,7 @@ pub mod manager_server {
                    let max_encoding_message_size = self.max_encoding_message_size;
                    let inner = self.inner.clone();
                    let fut = async move {
+                        let inner = inner.0;
                        let method = KeepAliveSvc(inner);
                        let codec = tonic::codec::ProstCodec::default();
                        let mut grpc = tonic::server::Grpc::new(codec)
@ -1287,11 +1523,8 @@ pub mod manager_server {
                        Ok(
                            http::Response::builder()
                                .status(200)
-                                .header("grpc-status", tonic::Code::Unimplemented as i32)
-                                .header(
-                                    http::header::CONTENT_TYPE,
-                                    tonic::metadata::GRPC_CONTENT_TYPE,
-                                )
+                                .header("grpc-status", "12")
+                                .header("content-type", "application/grpc")
                                .body(empty_body())
                                .unwrap(),
                        )
@ -1300,7 +1533,7 @@ pub mod manager_server {
            }
        }
    }
-    impl<T> Clone for ManagerServer<T> {
+    impl<T: Manager> Clone for ManagerServer<T> {
        fn clone(&self) -> Self {
            let inner = self.inner.clone();
            Self {
@ -1312,9 +1545,17 @@ pub mod manager_server {
            }
        }
    }
-    /// Generated gRPC service name
-    pub const SERVICE_NAME: &str = "manager.v2.Manager";
-    impl<T> tonic::server::NamedService for ManagerServer<T> {
-        const NAME: &'static str = SERVICE_NAME;
+    impl<T: Manager> Clone for _Inner<T> {
+        fn clone(&self) -> Self {
+            Self(Arc::clone(&self.0))
+        }
+    }
+    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            write!(f, "{:?}", self.0)
+        }
+    }
+    impl<T: Manager> tonic::server::NamedService for ManagerServer<T> {
+        const NAME: &'static str = "manager.v2.Manager";
    }
 }
--- a/src/scheduler.v2.rs
+++ b/src/scheduler.v2.rs
--- a/src/security.rs
+++ b/src/security.rs
@ -0,0 +1,321 @@
+/// Certificate request type.
+/// Dragonfly supports peers authentication with Mutual TLS(mTLS)
+/// For mTLS, all peers need to request TLS certificates for communicating
+/// The server side may overwrite ant requested certificate filed based on its policies.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CertificateRequest {
+    /// ASN.1 DER form certificate request.
+    /// The public key in the CSR is used to generate the certificate,
+    /// and other fields in the generated certificate may be overwritten by the CA.
+    #[prost(bytes = "vec", tag = "1")]
+    pub csr: ::prost::alloc::vec::Vec<u8>,
+    /// Optional: requested certificate validity period.
+    #[prost(message, optional, tag = "2")]
+    pub validity_period: ::core::option::Option<::prost_types::Duration>,
+}
+/// Certificate response type.
+#[allow(clippy::derive_partial_eq_without_eq)]
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct CertificateResponse {
+    /// ASN.1 DER form certificate chain.
+    #[prost(bytes = "vec", repeated, tag = "1")]
+    pub certificate_chain: ::prost::alloc::vec::Vec<::prost::alloc::vec::Vec<u8>>,
+}
+/// Generated client implementations.
+pub mod certificate_client {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    use tonic::codegen::http::Uri;
+    /// Service for managing certificates issued by the CA.
+    #[derive(Debug, Clone)]
+    pub struct CertificateClient<T> {
+        inner: tonic::client::Grpc<T>,
+    }
+    impl CertificateClient<tonic::transport::Channel> {
+        /// Attempt to create a new client by connecting to a given endpoint.
+        pub async fn connect<D>(dst: D) -> Result<Self, tonic::transport::Error>
+        where
+            D: TryInto<tonic::transport::Endpoint>,
+            D::Error: Into<StdError>,
+        {
+            let conn = tonic::transport::Endpoint::new(dst)?.connect().await?;
+            Ok(Self::new(conn))
+        }
+    }
+    impl<T> CertificateClient<T>
+    where
+        T: tonic::client::GrpcService<tonic::body::BoxBody>,
+        T::Error: Into<StdError>,
+        T::ResponseBody: Body<Data = Bytes> + Send + 'static,
+        <T::ResponseBody as Body>::Error: Into<StdError> + Send,
+    {
+        pub fn new(inner: T) -> Self {
+            let inner = tonic::client::Grpc::new(inner);
+            Self { inner }
+        }
+        pub fn with_origin(inner: T, origin: Uri) -> Self {
+            let inner = tonic::client::Grpc::with_origin(inner, origin);
+            Self { inner }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> CertificateClient<InterceptedService<T, F>>
+        where
+            F: tonic::service::Interceptor,
+            T::ResponseBody: Default,
+            T: tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+                Response = http::Response<
+                    <T as tonic::client::GrpcService<tonic::body::BoxBody>>::ResponseBody,
+                >,
+            >,
+            <T as tonic::codegen::Service<
+                http::Request<tonic::body::BoxBody>,
+            >>::Error: Into<StdError> + Send + Sync,
+        {
+            CertificateClient::new(InterceptedService::new(inner, interceptor))
+        }
+        /// Compress requests with the given encoding.
+        ///
+        /// This requires the server to support it otherwise it might respond with an
+        /// error.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.send_compressed(encoding);
+            self
+        }
+        /// Enable decompressing responses.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.inner = self.inner.accept_compressed(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_decoding_message_size(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.inner = self.inner.max_encoding_message_size(limit);
+            self
+        }
+        /// Using provided CSR, returns a signed certificate.
+        pub async fn issue_certificate(
+            &mut self,
+            request: impl tonic::IntoRequest<super::CertificateRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::CertificateResponse>,
+            tonic::Status,
+        > {
+            self.inner
+                .ready()
+                .await
+                .map_err(|e| {
+                    tonic::Status::new(
+                        tonic::Code::Unknown,
+                        format!("Service was not ready: {}", e.into()),
+                    )
+                })?;
+            let codec = tonic::codec::ProstCodec::default();
+            let path = http::uri::PathAndQuery::from_static(
+                "/security.Certificate/IssueCertificate",
+            );
+            let mut req = request.into_request();
+            req.extensions_mut()
+                .insert(GrpcMethod::new("security.Certificate", "IssueCertificate"));
+            self.inner.unary(req, path, codec).await
+        }
+    }
+}
+/// Generated server implementations.
+pub mod certificate_server {
+    #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
+    use tonic::codegen::*;
+    /// Generated trait containing gRPC methods that should be implemented for use with CertificateServer.
+    #[async_trait]
+    pub trait Certificate: Send + Sync + 'static {
+        /// Using provided CSR, returns a signed certificate.
+        async fn issue_certificate(
+            &self,
+            request: tonic::Request<super::CertificateRequest>,
+        ) -> std::result::Result<
+            tonic::Response<super::CertificateResponse>,
+            tonic::Status,
+        >;
+    }
+    /// Service for managing certificates issued by the CA.
+    #[derive(Debug)]
+    pub struct CertificateServer<T: Certificate> {
+        inner: _Inner<T>,
+        accept_compression_encodings: EnabledCompressionEncodings,
+        send_compression_encodings: EnabledCompressionEncodings,
+        max_decoding_message_size: Option<usize>,
+        max_encoding_message_size: Option<usize>,
+    }
+    struct _Inner<T>(Arc<T>);
+    impl<T: Certificate> CertificateServer<T> {
+        pub fn new(inner: T) -> Self {
+            Self::from_arc(Arc::new(inner))
+        }
+        pub fn from_arc(inner: Arc<T>) -> Self {
+            let inner = _Inner(inner);
+            Self {
+                inner,
+                accept_compression_encodings: Default::default(),
+                send_compression_encodings: Default::default(),
+                max_decoding_message_size: None,
+                max_encoding_message_size: None,
+            }
+        }
+        pub fn with_interceptor<F>(
+            inner: T,
+            interceptor: F,
+        ) -> InterceptedService<Self, F>
+        where
+            F: tonic::service::Interceptor,
+        {
+            InterceptedService::new(Self::new(inner), interceptor)
+        }
+        /// Enable decompressing requests with the given encoding.
+        #[must_use]
+        pub fn accept_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.accept_compression_encodings.enable(encoding);
+            self
+        }
+        /// Compress responses with the given encoding, if the client supports it.
+        #[must_use]
+        pub fn send_compressed(mut self, encoding: CompressionEncoding) -> Self {
+            self.send_compression_encodings.enable(encoding);
+            self
+        }
+        /// Limits the maximum size of a decoded message.
+        ///
+        /// Default: `4MB`
+        #[must_use]
+        pub fn max_decoding_message_size(mut self, limit: usize) -> Self {
+            self.max_decoding_message_size = Some(limit);
+            self
+        }
+        /// Limits the maximum size of an encoded message.
+        ///
+        /// Default: `usize::MAX`
+        #[must_use]
+        pub fn max_encoding_message_size(mut self, limit: usize) -> Self {
+            self.max_encoding_message_size = Some(limit);
+            self
+        }
+    }
+    impl<T, B> tonic::codegen::Service<http::Request<B>> for CertificateServer<T>
+    where
+        T: Certificate,
+        B: Body + Send + 'static,
+        B::Error: Into<StdError> + Send + 'static,
+    {
+        type Response = http::Response<tonic::body::BoxBody>;
+        type Error = std::convert::Infallible;
+        type Future = BoxFuture<Self::Response, Self::Error>;
+        fn poll_ready(
+            &mut self,
+            _cx: &mut Context<'_>,
+        ) -> Poll<std::result::Result<(), Self::Error>> {
+            Poll::Ready(Ok(()))
+        }
+        fn call(&mut self, req: http::Request<B>) -> Self::Future {
+            let inner = self.inner.clone();
+            match req.uri().path() {
+                "/security.Certificate/IssueCertificate" => {
+                    #[allow(non_camel_case_types)]
+                    struct IssueCertificateSvc<T: Certificate>(pub Arc<T>);
+                    impl<
+                        T: Certificate,
+                    > tonic::server::UnaryService<super::CertificateRequest>
+                    for IssueCertificateSvc<T> {
+                        type Response = super::CertificateResponse;
+                        type Future = BoxFuture<
+                            tonic::Response<Self::Response>,
+                            tonic::Status,
+                        >;
+                        fn call(
+                            &mut self,
+                            request: tonic::Request<super::CertificateRequest>,
+                        ) -> Self::Future {
+                            let inner = Arc::clone(&self.0);
+                            let fut = async move {
+                                (*inner).issue_certificate(request).await
+                            };
+                            Box::pin(fut)
+                        }
+                    }
+                    let accept_compression_encodings = self.accept_compression_encodings;
+                    let send_compression_encodings = self.send_compression_encodings;
+                    let max_decoding_message_size = self.max_decoding_message_size;
+                    let max_encoding_message_size = self.max_encoding_message_size;
+                    let inner = self.inner.clone();
+                    let fut = async move {
+                        let inner = inner.0;
+                        let method = IssueCertificateSvc(inner);
+                        let codec = tonic::codec::ProstCodec::default();
+                        let mut grpc = tonic::server::Grpc::new(codec)
+                            .apply_compression_config(
+                                accept_compression_encodings,
+                                send_compression_encodings,
+                            )
+                            .apply_max_message_size_config(
+                                max_decoding_message_size,
+                                max_encoding_message_size,
+                            );
+                        let res = grpc.unary(method, req).await;
+                        Ok(res)
+                    };
+                    Box::pin(fut)
+                }
+                _ => {
+                    Box::pin(async move {
+                        Ok(
+                            http::Response::builder()
+                                .status(200)
+                                .header("grpc-status", "12")
+                                .header("content-type", "application/grpc")
+                                .body(empty_body())
+                                .unwrap(),
+                        )
+                    })
+                }
+            }
+        }
+    }
+    impl<T: Certificate> Clone for CertificateServer<T> {
+        fn clone(&self) -> Self {
+            let inner = self.inner.clone();
+            Self {
+                inner,
+                accept_compression_encodings: self.accept_compression_encodings,
+                send_compression_encodings: self.send_compression_encodings,
+                max_decoding_message_size: self.max_decoding_message_size,
+                max_encoding_message_size: self.max_encoding_message_size,
+            }
+        }
+    }
+    impl<T: Certificate> Clone for _Inner<T> {
+        fn clone(&self) -> Self {
+            Self(Arc::clone(&self.0))
+        }
+    }
+    impl<T: std::fmt::Debug> std::fmt::Debug for _Inner<T> {
+        fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+            write!(f, "{:?}", self.0)
+        }
+    }
+    impl<T: Certificate> tonic::server::NamedService for CertificateServer<T> {
+        const NAME: &'static str = "security.Certificate";
+    }
+}