Remove containerd submodule

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

.gitmodules

@@ -1,6 +0,0 @@
-[submodule "crates/protos/vendor/github.com/containerd/containerd"]
-	path = crates/protos/vendor/github.com/containerd/containerd
-	url = https://github.com/containerd/containerd.git
-[submodule "crates/shim-protos/vendor/github.com/containerd/containerd"]
-	path = crates/shim-protos/vendor/github.com/containerd/containerd
-	url = https://github.com/containerd/containerd.git

crates/shim-protos/vendor/README.md

@@ -2,6 +2,7 @@
 
 This directory contains vendor dependencies needed to generate protobuf bindings.
 
-Certain proto files are copy-pasted directly from upstream repos:
+Proto files are copy-pasted directly from upstream repos:
++ https://github.com/containerd/containerd
 + https://github.com/protocolbuffers/protobuf
 + https://github.com/gogo/protobuf

crates/shim-protos/vendor/github.com/containerd/containerd

@@ -1 +0,0 @@
-Subproject commit a137b64f5099d47a0935f8cbb78a729ca44d2712

crates/shim-protos/vendor/github.com/containerd/containerd/api/events/container.proto

@@ -0,0 +1,47 @@
+/*
+	Copyright The containerd 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 containerd.events;
+
+import "google/protobuf/any.proto";
+import weak "gogoproto/gogo.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message ContainerCreate {
+	string id = 1;
+	string image = 2;
+	message Runtime {
+		string name = 1;
+		google.protobuf.Any options = 2;
+	}
+	Runtime runtime = 3;
+}
+
+message ContainerUpdate {
+	string id = 1;
+	string image = 2;
+	map<string, string> labels  = 3;
+	string snapshot_key = 4;
+}
+
+message ContainerDelete {
+	string id = 1;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/events/content.proto

@@ -0,0 +1,29 @@
+/*
+	Copyright The containerd 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 containerd.events;
+
+import weak "gogoproto/gogo.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message ContentDelete {
+	string digest = 1 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/events/image.proto

@@ -0,0 +1,38 @@
+/*
+	Copyright The containerd 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 containerd.services.images.v1;
+
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message ImageCreate {
+	string name = 1;
+	map<string, string> labels = 2;
+}
+
+message ImageUpdate {
+	string name = 1;
+	map<string, string> labels = 2;
+}
+
+message ImageDelete {
+	string name = 1;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/events/namespace.proto

@@ -0,0 +1,39 @@
+/*
+	Copyright The containerd 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 containerd.events;
+
+import weak "gogoproto/gogo.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message NamespaceCreate {
+	string name = 1;
+	map<string, string> labels  = 2;
+}
+
+message NamespaceUpdate {
+	string name = 1;
+	map<string, string> labels  = 2;
+}
+
+message NamespaceDelete {
+	string name = 1;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/events/snapshot.proto

@@ -0,0 +1,38 @@
+/*
+	Copyright The containerd 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 containerd.events;
+
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message SnapshotPrepare {
+	string key = 1;
+	string parent = 2;
+}
+
+message SnapshotCommit {
+	string key = 1;
+	string name = 2;
+}
+
+message SnapshotRemove {
+	string key = 1;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/events/task.proto

@@ -0,0 +1,94 @@
+/*
+	Copyright The containerd 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 containerd.events;
+
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "github.com/containerd/containerd/api/types/mount.proto";
+import weak "github.com/containerd/containerd/protobuf/plugin/fieldpath.proto";
+
+option go_package = "github.com/containerd/containerd/api/events;events";
+option (containerd.plugin.fieldpath_all) = true;
+
+message TaskCreate {
+	string container_id = 1;
+	string bundle = 2;
+	repeated containerd.types.Mount rootfs = 3;
+	TaskIO io = 4 [(gogoproto.customname) = "IO"];
+	string checkpoint = 5;
+	uint32 pid = 6;
+}
+
+message TaskStart {
+	string container_id = 1;
+	uint32 pid = 2;
+}
+
+message TaskDelete {
+	string container_id = 1;
+	uint32 pid = 2;
+	uint32 exit_status = 3;
+	google.protobuf.Timestamp exited_at = 4 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+	// id is the specific exec. By default if omitted will be `""` thus matches
+	// the init exec of the task matching `container_id`.
+	string id = 5;
+}
+
+message TaskIO {
+	string stdin = 1;
+	string stdout = 2;
+	string stderr = 3;
+	bool terminal = 4;
+}
+
+message TaskExit {
+	string container_id = 1;
+	string id = 2;
+	uint32 pid = 3;
+	uint32 exit_status = 4;
+	google.protobuf.Timestamp exited_at = 5 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message TaskOOM {
+	string container_id = 1;
+}
+
+message TaskExecAdded {
+	string container_id = 1;
+	string exec_id = 2;
+}
+
+message TaskExecStarted {
+	string container_id = 1;
+	string exec_id = 2;
+	uint32 pid = 3;
+}
+
+message TaskPaused {
+	string container_id = 1;
+}
+
+message TaskResumed {
+	string container_id = 1;
+}
+
+message TaskCheckpointed {
+	string container_id = 1;
+	string checkpoint = 2;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/types/descriptor.proto

@@ -0,0 +1,35 @@
+/*
+	Copyright The containerd 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 containerd.types;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+// Descriptor describes a blob in a content store.
+//
+// This descriptor can be used to reference content from an
+// oci descriptor found in a manifest.
+// See https://godoc.org/github.com/opencontainers/image-spec/specs-go/v1#Descriptor
+message Descriptor {
+	string media_type = 1;
+	string digest = 2 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
+	int64 size = 3;
+	map<string, string> annotations = 5;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/types/metrics.proto

@@ -0,0 +1,31 @@
+/*
+	Copyright The containerd 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 containerd.types;
+
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/any.proto";
+import "google/protobuf/timestamp.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+message Metric {
+	google.protobuf.Timestamp timestamp = 1 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+	string id = 2;
+	google.protobuf.Any data = 3;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/types/mount.proto

@@ -0,0 +1,45 @@
+/*
+	Copyright The containerd 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 containerd.types;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+// Mount describes mounts for a container.
+//
+// This type is the lingua franca of ContainerD. All services provide mounts
+// to be used with the container at creation time.
+//
+// The Mount type follows the structure of the mount syscall, including a type,
+// source, target and options.
+message Mount {
+	// Type defines the nature of the mount.
+	string type = 1;
+
+	// Source specifies the name of the mount. Depending on mount type, this
+	// may be a volume name or a host path, or even ignored.
+	string source = 2;
+
+	// Target path in container
+	string target = 3;
+
+	// Options specifies zero or more fstab style mount options.
+	repeated string options = 4;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/types/platform.proto

@@ -0,0 +1,31 @@
+/*
+	Copyright The containerd 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 containerd.types;
+
+import weak "gogoproto/gogo.proto";
+
+option go_package = "github.com/containerd/containerd/api/types;types";
+
+// Platform follows the structure of the OCI platform specification, from
+// descriptors.
+message Platform {
+	string os = 1 [(gogoproto.customname) = "OS"];
+	string architecture = 2;
+	string variant = 3;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/api/types/task/task.proto

@@ -0,0 +1,57 @@
+/*
+	Copyright The containerd 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 containerd.v1.types;
+
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "google/protobuf/any.proto";
+
+enum Status {
+	option (gogoproto.goproto_enum_prefix) = false;
+	option (gogoproto.enum_customname) = "Status";
+
+	UNKNOWN = 0 [(gogoproto.enumvalue_customname) = "StatusUnknown"];
+	CREATED = 1 [(gogoproto.enumvalue_customname) = "StatusCreated"];
+	RUNNING = 2 [(gogoproto.enumvalue_customname) = "StatusRunning"];
+	STOPPED = 3 [(gogoproto.enumvalue_customname) = "StatusStopped"];
+	PAUSED = 4 [(gogoproto.enumvalue_customname) = "StatusPaused"];
+	PAUSING = 5 [(gogoproto.enumvalue_customname) = "StatusPausing"];
+}
+
+message Process {
+	string container_id = 1;
+	string id = 2;
+	uint32 pid = 3;
+	Status status = 4;
+	string stdin = 5;
+	string stdout = 6;
+	string stderr = 7;
+	bool terminal = 8;
+	uint32 exit_status = 9;
+	google.protobuf.Timestamp exited_at = 10 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message ProcessInfo {
+	// PID is the process ID.
+	uint32 pid = 1;
+	// Info contains additional process information.
+	//
+	// Info varies by platform.
+	google.protobuf.Any info = 2;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/protobuf/plugin/fieldpath.proto

@@ -0,0 +1,40 @@
+// Protocol Buffers for Go with Gadgets
+//
+// Copyright (c) 2013, The GoGo Authors. All rights reserved.
+// http://github.com/gogo/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto2";
+package containerd.plugin;
+
+import "google/protobuf/descriptor.proto";
+
+extend google.protobuf.FileOptions {
+	optional bool fieldpath_all = 63300;
+}
+
+extend google.protobuf.MessageOptions {
+	optional bool fieldpath = 64400;
+}

crates/shim-protos/vendor/github.com/containerd/containerd/runtime/v2/task/shim.proto

@@ -0,0 +1,202 @@
+/*
+	Copyright The containerd 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 containerd.task.v2;
+
+import "google/protobuf/any.proto";
+import "google/protobuf/empty.proto";
+import weak "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
+import "github.com/containerd/containerd/api/types/mount.proto";
+import "github.com/containerd/containerd/api/types/task/task.proto";
+
+option go_package = "github.com/containerd/containerd/runtime/v2/task;task";
+
+// Shim service is launched for each container and is responsible for owning the IO
+// for the container and its additional processes.  The shim is also the parent of
+// each container and allows reattaching to the IO and receiving the exit status
+// for the container processes.
+service Task {
+	rpc State(StateRequest) returns (StateResponse);
+	rpc Create(CreateTaskRequest) returns (CreateTaskResponse);
+	rpc Start(StartRequest) returns (StartResponse);
+	rpc Delete(DeleteRequest) returns (DeleteResponse);
+	rpc Pids(PidsRequest) returns (PidsResponse);
+	rpc Pause(PauseRequest) returns (google.protobuf.Empty);
+	rpc Resume(ResumeRequest) returns (google.protobuf.Empty);
+	rpc Checkpoint(CheckpointTaskRequest) returns (google.protobuf.Empty);
+	rpc Kill(KillRequest) returns (google.protobuf.Empty);
+	rpc Exec(ExecProcessRequest) returns (google.protobuf.Empty);
+	rpc ResizePty(ResizePtyRequest) returns (google.protobuf.Empty);
+	rpc CloseIO(CloseIORequest) returns (google.protobuf.Empty);
+	rpc Update(UpdateTaskRequest) returns (google.protobuf.Empty);
+	rpc Wait(WaitRequest) returns (WaitResponse);
+	rpc Stats(StatsRequest) returns (StatsResponse);
+	rpc Connect(ConnectRequest) returns (ConnectResponse);
+	rpc Shutdown(ShutdownRequest) returns (google.protobuf.Empty);
+}
+
+message CreateTaskRequest {
+	string id = 1;
+	string bundle = 2;
+	repeated containerd.types.Mount rootfs = 3;
+	bool terminal = 4;
+	string stdin = 5;
+	string stdout = 6;
+	string stderr = 7;
+	string checkpoint = 8;
+	string parent_checkpoint = 9;
+	google.protobuf.Any options = 10;
+}
+
+message CreateTaskResponse {
+	uint32 pid = 1;
+}
+
+message DeleteRequest {
+	string id = 1;
+	string exec_id = 2;
+}
+
+message DeleteResponse {
+	uint32 pid = 1;
+	uint32 exit_status = 2;
+	google.protobuf.Timestamp exited_at = 3 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message ExecProcessRequest {
+	string id = 1;
+	string exec_id = 2;
+	bool terminal = 3;
+	string stdin = 4;
+	string stdout = 5;
+	string stderr = 6;
+	google.protobuf.Any spec = 7;
+}
+
+message ExecProcessResponse {
+}
+
+message ResizePtyRequest {
+	string id = 1;
+	string exec_id = 2;
+	uint32 width = 3;
+	uint32 height = 4;
+}
+
+message StateRequest {
+	string id = 1;
+	string exec_id = 2;
+}
+
+message StateResponse {
+	string id = 1;
+	string bundle = 2;
+	uint32 pid = 3;
+	containerd.v1.types.Status status = 4;
+	string stdin = 5;
+	string stdout = 6;
+	string stderr = 7;
+	bool terminal = 8;
+	uint32 exit_status = 9;
+	google.protobuf.Timestamp exited_at = 10 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+	string exec_id = 11;
+}
+
+message KillRequest {
+	string id = 1;
+	string exec_id = 2;
+	uint32 signal = 3;
+	bool all = 4;
+}
+
+message CloseIORequest {
+	string id = 1;
+	string exec_id = 2;
+	bool stdin = 3;
+}
+
+message PidsRequest {
+	string id = 1;
+}
+
+message PidsResponse {
+	repeated containerd.v1.types.ProcessInfo processes = 1;
+}
+
+message CheckpointTaskRequest {
+	string id = 1;
+	string path = 2;
+	google.protobuf.Any options = 3;
+}
+
+message UpdateTaskRequest {
+	string id = 1;
+	google.protobuf.Any resources = 2;
+	map<string, string> annotations = 3;
+}
+
+message StartRequest {
+	string id = 1;
+	string exec_id = 2;
+}
+
+message StartResponse {
+	uint32 pid = 1;
+}
+
+message WaitRequest {
+	string id = 1;
+	string exec_id = 2;
+}
+
+message WaitResponse {
+	uint32 exit_status = 1;
+	google.protobuf.Timestamp exited_at = 2 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
+}
+
+message StatsRequest {
+	string id = 1;
+}
+
+message StatsResponse {
+	google.protobuf.Any stats = 1;
+}
+
+message ConnectRequest {
+	string id = 1;
+}
+
+message ConnectResponse {
+	uint32 shim_pid = 1;
+	uint32 task_pid = 2;
+	string version = 3;
+}
+
+message ShutdownRequest {
+	string id = 1;
+	bool now = 2;
+}
+
+message PauseRequest {
+	string id = 1;
+}
+
+message ResumeRequest {
+	string id = 1;
+}