Bump etcd client to 3.4. Use go modules

dnsprovider/pkg/dnsprovider/providers/coredns/BUILD.bazel

@@ -17,8 +17,8 @@ go_library(
         "//dnsprovider/pkg/dnsprovider:go_default_library",
         "//dnsprovider/pkg/dnsprovider/providers/coredns/stubs:go_default_library",
         "//dnsprovider/pkg/dnsprovider/rrstype:go_default_library",
-        "//vendor/github.com/coreos/etcd/client:go_default_library",
         "//vendor/github.com/miekg/coredns/middleware/etcd/msg:go_default_library",
+        "//vendor/go.etcd.io/etcd/client:go_default_library",
         "//vendor/gopkg.in/gcfg.v1:go_default_library",
         "//vendor/k8s.io/klog/v2:go_default_library",
     ],

dnsprovider/pkg/dnsprovider/providers/coredns/coredns.go

@@ -23,7 +23,7 @@ import (
 	"strconv"
 	"strings"
 
-	etcdc "github.com/coreos/etcd/client"
+	etcdc "go.etcd.io/etcd/client"
 	gcfg "gopkg.in/gcfg.v1"
 	"k8s.io/klog/v2"
 	"k8s.io/kops/dnsprovider/pkg/dnsprovider"

dnsprovider/pkg/dnsprovider/providers/coredns/rrchangeset.go

@@ -22,8 +22,8 @@ import (
 	"fmt"
 	"hash/fnv"
 
-	etcdc "github.com/coreos/etcd/client"
 	dnsmsg "github.com/miekg/coredns/middleware/etcd/msg"
+	etcdc "go.etcd.io/etcd/client"
 	"k8s.io/kops/dnsprovider/pkg/dnsprovider"
 )
 

dnsprovider/pkg/dnsprovider/providers/coredns/rrsets.go

@@ -22,8 +22,8 @@ import (
 	"fmt"
 	"net"
 
-	etcdc "github.com/coreos/etcd/client"
 	dnsmsg "github.com/miekg/coredns/middleware/etcd/msg"
+	etcdc "go.etcd.io/etcd/client"
 	"k8s.io/klog/v2"
 	"k8s.io/kops/dnsprovider/pkg/dnsprovider"
 	"k8s.io/kops/dnsprovider/pkg/dnsprovider/rrstype"

dnsprovider/pkg/dnsprovider/providers/coredns/stubs/BUILD.bazel

@@ -5,5 +5,5 @@ go_library(
     srcs = ["corednsapi.go"],
     importpath = "k8s.io/kops/dnsprovider/pkg/dnsprovider/providers/coredns/stubs",
     visibility = ["//visibility:public"],
-    deps = ["//vendor/github.com/coreos/etcd/client:go_default_library"],
+    deps = ["//vendor/go.etcd.io/etcd/client:go_default_library"],
 )

dnsprovider/pkg/dnsprovider/providers/coredns/stubs/corednsapi.go

@@ -21,7 +21,7 @@ import (
 	"context"
 	"strings"
 
-	etcd "github.com/coreos/etcd/client"
+	etcd "go.etcd.io/etcd/client"
 )
 
 // Compile time check for interface conformance

go.mod

@@ -60,7 +60,6 @@ require (
 	github.com/aws/aws-sdk-go v1.36.0
 	github.com/blang/semver/v4 v4.0.0
 	github.com/chai2010/gettext-go v0.0.0-20170215093142-bf70f2a70fb1 // indirect
-	github.com/coreos/etcd v3.3.17+incompatible
 	github.com/denverdino/aliyungo v0.0.0-20191128015008-acd8035bbb1d
 	github.com/digitalocean/godo v1.54.0
 	github.com/docker/docker v1.4.2-0.20200309214505-aa6a9891b09c
@@ -93,6 +92,7 @@ require (
 	github.com/urfave/cli v1.22.2
 	github.com/weaveworks/mesh v0.0.0-20170419100114-1f158d31de55
 	github.com/zclconf/go-cty v1.3.1
+	go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489
 	go.uber.org/zap v1.10.0
 	golang.org/x/crypto v0.0.0-20201002170205-7f63de1d35b0
 	golang.org/x/net v0.0.0-20201110031124-69a78807bb2b

go.sum

@@ -164,6 +164,7 @@ github.com/cilium/ebpf v0.0.0-20200702112145-1c8d4c9ef775/go.mod h1:7cR51M8ViRLI
 github.com/client9/misspell v0.3.4 h1:ta993UF76GwbvJcIo3Y68y/M3WxlpEHPWIGDkJYwzJI=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/clusterhq/flocker-go v0.0.0-20160920122132-2b8b7259d313/go.mod h1:P1wt9Z3DP8O6W3rvwCt0REIlshg1InHImaLW0t3ObY0=
+github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa h1:OaNxuTZr7kxeODyLWsRMC+OD03aFUH+mW6r2d+MWa5Y=
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codegangsta/negroni v1.0.0/go.mod h1:v0y3T5G7Y1UlFfyxFn/QLRU4a2EuNau2iZY63YTKWo0=
 github.com/container-storage-interface/spec v1.2.0/go.mod h1:6URME8mwIBbpVyZV93Ce5St17xBiQJQY67NDsuohiy4=
@@ -186,8 +187,6 @@ github.com/coreos/bbolt v1.3.2 h1:wZwiHHUieZCquLkDL0B8UhzreNWsPHooDAG3q34zk0s=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/etcd v3.3.13+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
-github.com/coreos/etcd v3.3.17+incompatible h1:f/Z3EoDSx1yjaIjLQGo1diYUlQYSBrrAQ5vP8NjwXwo=
-github.com/coreos/etcd v3.3.17+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
 github.com/coreos/go-oidc v2.1.0+incompatible/go.mod h1:CgnwVTmzoESiwO9qyAFEMiHoZ1nMCKZlZ9V6mm3/LKc=
 github.com/coreos/go-semver v0.2.0/go.mod h1:nnelYz7RCh+5ahJtPPxZlU+153eP4D4r3EedlOD2RNk=
 github.com/coreos/go-semver v0.3.0 h1:wkHLiw0WNATZnSG7epLsujiMCgPAc9xhjJ4tgnAxmfM=
@@ -235,6 +234,7 @@ github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c h1:ZfSZ3P3BedhKG
 github.com/docker/spdystream v0.0.0-20181023171402-6480d4af844c/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153 h1:yUdfgN0XgIJw7foRItutHYUIhlcKzcSf5vDpdhQAKTc=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
@@ -827,6 +827,7 @@ go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
 go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
 go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/etcd v0.5.0-alpha.5.0.20200819165624-17cef6e3e9d5/go.mod h1:skWido08r9w6Lq/w70DO5XYIKMu4QFu1+4VsqLQuJy8=
+go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489 h1:1JFLBqwIgdyHN1ZtgjTBwO+blA6gVOmZurpiMEsETKo=
 go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489/go.mod h1:yVHk9ub3CSBatqGNg7GRmsnfLWtoW60w4eDYfh7vHDg=
 go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
 go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=

vendor/github.com/coreos/etcd/pkg/srv/BUILD.bazel

@@ -1,10 +0,0 @@
-load("@io_bazel_rules_go//go:def.bzl", "go_library")
-
-go_library(
-    name = "go_default_library",
-    srcs = ["srv.go"],
-    importmap = "k8s.io/kops/vendor/github.com/coreos/etcd/pkg/srv",
-    importpath = "github.com/coreos/etcd/pkg/srv",
-    visibility = ["//visibility:public"],
-    deps = ["//vendor/github.com/coreos/etcd/pkg/types:go_default_library"],
-)

vendor/go.etcd.io/etcd/client/BUILD.bazel

@@ -16,15 +16,15 @@ go_library(
         "members.go",
         "util.go",
     ],
-    importmap = "k8s.io/kops/vendor/github.com/coreos/etcd/client",
+    importmap = "k8s.io/kops/vendor/go.etcd.io/etcd/client",
-    importpath = "github.com/coreos/etcd/client",
+    importpath = "go.etcd.io/etcd/client",
     visibility = ["//visibility:public"],
     deps = [
-        "//vendor/github.com/coreos/etcd/pkg/pathutil:go_default_library",
-        "//vendor/github.com/coreos/etcd/pkg/srv:go_default_library",
-        "//vendor/github.com/coreos/etcd/pkg/types:go_default_library",
-        "//vendor/github.com/coreos/etcd/version:go_default_library",
         "//vendor/github.com/json-iterator/go:go_default_library",
         "//vendor/github.com/modern-go/reflect2:go_default_library",
+        "//vendor/go.etcd.io/etcd/pkg/pathutil:go_default_library",
+        "//vendor/go.etcd.io/etcd/pkg/srv:go_default_library",
+        "//vendor/go.etcd.io/etcd/pkg/types:go_default_library",
+        "//vendor/go.etcd.io/etcd/version:go_default_library",
     ],
 )

vendor/go.etcd.io/etcd/client/README.md

@@ -2,19 +2,14 @@
 
 etcd/client is the Go client library for etcd.
 
-[![GoDoc](https://godoc.org/github.com/coreos/etcd/client?status.png)](https://godoc.org/github.com/coreos/etcd/client)
+[![GoDoc](https://godoc.org/go.etcd.io/etcd/client?status.png)](https://godoc.org/go.etcd.io/etcd/client)
 
-etcd uses `cmd/vendor` directory to store external dependencies, which are
+For full compatibility, it is recommended to vendor builds using etcd's vendored packages, using tools like `golang/dep`, as in [vendor directories](https://golang.org/cmd/go/#hdr-Vendor_Directories).
-to be compiled into etcd release binaries. `client` can be imported without
-vendoring. For full compatibility, it is recommended to vendor builds using
-etcd's vendored packages, using tools like godep, as in
-[vendor directories](https://golang.org/cmd/go/#hdr-Vendor_Directories).
-For more detail, please read [Go vendor design](https://golang.org/s/go15vendor).
 
 ## Install
 
 ```bash
-go get github.com/coreos/etcd/client
+go get go.etcd.io/etcd/client
 ```
 
 ## Usage
@@ -27,7 +22,7 @@ import (
 	"time"
 	"context"
 
-	"github.com/coreos/etcd/client"
+	"go.etcd.io/etcd/client"
 )
 
 func main() {

vendor/go.etcd.io/etcd/client/client.go

@@ -29,7 +29,7 @@ import (
 	"sync"
 	"time"
 
-	"github.com/coreos/etcd/version"
+	"go.etcd.io/etcd/version"
 )
 
 var (
@@ -640,11 +640,11 @@ func (r *redirectFollowingHTTPClient) Do(ctx context.Context, act httpAction) (*
 		if resp.StatusCode/100 == 3 {
 			hdr := resp.Header.Get("Location")
 			if hdr == "" {
-				return nil, nil, fmt.Errorf("Location header not set")
+				return nil, nil, fmt.Errorf("location header not set")
 			}
 			loc, err := url.Parse(hdr)
 			if err != nil {
-				return nil, nil, fmt.Errorf("Location header not valid URL: %s", hdr)
+				return nil, nil, fmt.Errorf("location header not valid URL: %s", hdr)
 			}
 			next = &redirectedHTTPAction{
 				action:   act,

vendor/go.etcd.io/etcd/client/discover.go

@@ -15,13 +15,13 @@
 package client
 
 import (
-	"github.com/coreos/etcd/pkg/srv"
+	"go.etcd.io/etcd/pkg/srv"
 )
 
 // Discoverer is an interface that wraps the Discover method.
 type Discoverer interface {
 	// Discover looks up the etcd servers for the domain.
-	Discover(domain string) ([]string, error)
+	Discover(domain string, serviceName string) ([]string, error)
 }
 
 type srvDiscover struct{}
@@ -31,8 +31,8 @@ func NewSRVDiscover() Discoverer {
 	return &srvDiscover{}
 }
 
-func (d *srvDiscover) Discover(domain string) ([]string, error) {
+func (d *srvDiscover) Discover(domain string, serviceName string) ([]string, error) {
-	srvs, err := srv.GetClient("etcd-client", domain)
+	srvs, err := srv.GetClient("etcd-client", domain, serviceName)
 	if err != nil {
 		return nil, err
 	}

vendor/go.etcd.io/etcd/client/doc.go

@@ -21,7 +21,7 @@ Create a Config and exchange it for a Client:
 		"net/http"
 		"context"
 
-		"github.com/coreos/etcd/client"
+		"go.etcd.io/etcd/client"
 	)
 
 	cfg := client.Config{

vendor/go.etcd.io/etcd/client/keys.go

@@ -19,13 +19,12 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"go.etcd.io/etcd/pkg/pathutil"
 	"net/http"
 	"net/url"
 	"strconv"
 	"strings"
 	"time"
-
-	"github.com/coreos/etcd/pkg/pathutil"
 )
 
 const (
@@ -63,7 +62,7 @@ func (e Error) Error() string {
 }
 
 var (
-	ErrInvalidJSON = errors.New("client: response is invalid json. The endpoint is probably not valid etcd cluster endpoint.")
+	ErrInvalidJSON = errors.New("client: response is invalid json. The endpoint is probably not valid etcd cluster endpoint")
 	ErrEmptyBody   = errors.New("client: response body is empty")
 )
 

vendor/go.etcd.io/etcd/client/members.go

@@ -23,7 +23,7 @@ import (
 	"net/url"
 	"path"
 
-	"github.com/coreos/etcd/pkg/types"
+	"go.etcd.io/etcd/pkg/types"
 )
 
 var (

vendor/go.etcd.io/etcd/pkg/pathutil/BUILD.bazel

@@ -3,7 +3,7 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
 go_library(
     name = "go_default_library",
     srcs = ["path.go"],
-    importmap = "k8s.io/kops/vendor/github.com/coreos/etcd/pkg/pathutil",
+    importmap = "k8s.io/kops/vendor/go.etcd.io/etcd/pkg/pathutil",
-    importpath = "github.com/coreos/etcd/pkg/pathutil",
+    importpath = "go.etcd.io/etcd/pkg/pathutil",
     visibility = ["//visibility:public"],
 )

vendor/go.etcd.io/etcd/pkg/srv/BUILD.bazel

@@ -0,0 +1,10 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["srv.go"],
+    importmap = "k8s.io/kops/vendor/go.etcd.io/etcd/pkg/srv",
+    importpath = "go.etcd.io/etcd/pkg/srv",
+    visibility = ["//visibility:public"],
+    deps = ["//vendor/go.etcd.io/etcd/pkg/types:go_default_library"],
+)

vendor/go.etcd.io/etcd/pkg/srv/srv.go

@@ -21,7 +21,7 @@ import (
 	"net/url"
 	"strings"
 
-	"github.com/coreos/etcd/pkg/types"
+	"go.etcd.io/etcd/pkg/types"
 )
 
 var (
@@ -32,7 +32,7 @@ var (
 
 // GetCluster gets the cluster information via DNS discovery.
 // Also sees each entry as a separate instance.
-func GetCluster(service, name, dns string, apurls types.URLs) ([]string, error) {
+func GetCluster(serviceScheme, service, name, dns string, apurls types.URLs) ([]string, error) {
 	tempName := int(0)
 	tcp2ap := make(map[string]url.URL)
 
@@ -83,20 +83,9 @@ func GetCluster(service, name, dns string, apurls types.URLs) ([]string, error)
 		return nil
 	}
 
-	failCount := 0
+	err := updateNodeMap(service, serviceScheme)
-	err := updateNodeMap(service+"-ssl", "https")
-	srvErr := make([]string, 2)
 	if err != nil {
-		srvErr[0] = fmt.Sprintf("error querying DNS SRV records for _%s-ssl %s", service, err)
+		return nil, fmt.Errorf("error querying DNS SRV records for _%s %s", service, err)
-		failCount++
-	}
-	err = updateNodeMap(service, "http")
-	if err != nil {
-		srvErr[1] = fmt.Sprintf("error querying DNS SRV records for _%s %s", service, err)
-		failCount++
-	}
-	if failCount == 2 {
-		return nil, fmt.Errorf("srv: too many errors querying DNS SRV records (%q, %q)", srvErr[0], srvErr[1])
 	}
 	return stringParts, nil
 }
@@ -107,7 +96,7 @@ type SRVClients struct {
 }
 
 // GetClient looks up the client endpoints for a service and domain.
-func GetClient(service, domain string) (*SRVClients, error) {
+func GetClient(service, domain string, serviceName string) (*SRVClients, error) {
 	var urls []*url.URL
 	var srvs []*net.SRV
 
@@ -126,8 +115,8 @@ func GetClient(service, domain string) (*SRVClients, error) {
 		return nil
 	}
 
-	errHTTPS := updateURLs(service+"-ssl", "https")
+	errHTTPS := updateURLs(GetSRVService(service, serviceName, "https"), "https")
-	errHTTP := updateURLs(service, "http")
+	errHTTP := updateURLs(GetSRVService(service, serviceName, "http"), "http")
 
 	if errHTTPS != nil && errHTTP != nil {
 		return nil, fmt.Errorf("dns lookup errors: %s and %s", errHTTPS, errHTTP)
@@ -139,3 +128,15 @@ func GetClient(service, domain string) (*SRVClients, error) {
 	}
 	return &SRVClients{Endpoints: endpoints, SRVs: srvs}, nil
 }
+
+// GetSRVService generates a SRV service including an optional suffix.
+func GetSRVService(service, serviceName string, scheme string) (SRVService string) {
+	if scheme == "https" {
+		service = fmt.Sprintf("%s-ssl", service)
+	}
+
+	if serviceName != "" {
+		return fmt.Sprintf("%s-%s", service, serviceName)
+	}
+	return service
+}

vendor/go.etcd.io/etcd/pkg/types/BUILD.bazel

@@ -10,7 +10,7 @@ go_library(
         "urls.go",
         "urlsmap.go",
     ],
-    importmap = "k8s.io/kops/vendor/github.com/coreos/etcd/pkg/types",
+    importmap = "k8s.io/kops/vendor/go.etcd.io/etcd/pkg/types",
-    importpath = "github.com/coreos/etcd/pkg/types",
+    importpath = "go.etcd.io/etcd/pkg/types",
     visibility = ["//visibility:public"],
 )

vendor/go.etcd.io/etcd/pkg/types/id.go

@@ -14,9 +14,7 @@
 
 package types
 
-import (
+import "strconv"
-	"strconv"
-)
 
 // ID represents a generic identifier which is canonically
 // stored as a uint64 but is typically represented as a

vendor/go.etcd.io/etcd/pkg/types/set.go

@@ -148,6 +148,14 @@ func (ts *tsafeSet) Contains(value string) (exists bool) {
 func (ts *tsafeSet) Equals(other Set) bool {
 	ts.m.RLock()
 	defer ts.m.RUnlock()
+
+	// If ts and other represent the same variable, avoid calling
+	// ts.us.Equals(other), to avoid double RLock bug
+	if _other, ok := other.(*tsafeSet); ok {
+		if _other == ts {
+			return true
+		}
+	}
 	return ts.us.Equals(other)
 }
 
@@ -173,6 +181,15 @@ func (ts *tsafeSet) Copy() Set {
 func (ts *tsafeSet) Sub(other Set) Set {
 	ts.m.RLock()
 	defer ts.m.RUnlock()
+
+	// If ts and other represent the same variable, avoid calling
+	// ts.us.Sub(other), to avoid double RLock bug
+	if _other, ok := other.(*tsafeSet); ok {
+		if _other == ts {
+			usResult := NewUnsafeSet()
+			return &tsafeSet{usResult, sync.RWMutex{}}
+		}
+	}
 	usResult := ts.us.Sub(other).(*unsafeSet)
 	return &tsafeSet{usResult, sync.RWMutex{}}
 }

vendor/go.etcd.io/etcd/version/BUILD.bazel

@@ -3,8 +3,8 @@ load("@io_bazel_rules_go//go:def.bzl", "go_library")
 go_library(
     name = "go_default_library",
     srcs = ["version.go"],
-    importmap = "k8s.io/kops/vendor/github.com/coreos/etcd/version",
+    importmap = "k8s.io/kops/vendor/go.etcd.io/etcd/version",
-    importpath = "github.com/coreos/etcd/version",
+    importpath = "go.etcd.io/etcd/version",
     visibility = ["//visibility:public"],
     deps = ["//vendor/github.com/coreos/go-semver/semver:go_default_library"],
 )

vendor/go.etcd.io/etcd/version/version.go

@@ -26,7 +26,7 @@ import (
 var (
 	// MinClusterVersion is the min cluster version this etcd binary is compatible with.
 	MinClusterVersion = "3.0.0"
-	Version           = "3.3.17"
+	Version           = "3.4.13"
 	APIVersion        = "unknown"
 
 	// Git SHA Value will be set during build

vendor/modules.txt

@@ -151,13 +151,6 @@ github.com/chai2010/gettext-go/gettext/plural
 github.com/chai2010/gettext-go/gettext/po
 # github.com/containerd/containerd v1.3.3
 github.com/containerd/containerd/errdefs
-# github.com/coreos/etcd v3.3.17+incompatible
-## explicit
-github.com/coreos/etcd/client
-github.com/coreos/etcd/pkg/pathutil
-github.com/coreos/etcd/pkg/srv
-github.com/coreos/etcd/pkg/types
-github.com/coreos/etcd/version
 # github.com/coreos/go-semver v0.3.0
 github.com/coreos/go-semver/semver
 # github.com/cpuguy83/go-md2man/v2 v2.0.0
@@ -548,6 +541,13 @@ github.com/zclconf/go-cty/cty/function/stdlib
 github.com/zclconf/go-cty/cty/gocty
 github.com/zclconf/go-cty/cty/json
 github.com/zclconf/go-cty/cty/set
+# go.etcd.io/etcd v0.5.0-alpha.5.0.20200910180754-dd1b699fc489
+## explicit
+go.etcd.io/etcd/client
+go.etcd.io/etcd/pkg/pathutil
+go.etcd.io/etcd/pkg/srv
+go.etcd.io/etcd/pkg/types
+go.etcd.io/etcd/version
 # go.opencensus.io v0.22.3
 go.opencensus.io
 go.opencensus.io/internal