Version bump to etcd v3.2.11

vendor/github.com/coreos/etcd/client/BUILD

@@ -14,14 +14,15 @@ go_library(
         "keys.generated.go",
         "keys.go",
         "members.go",
-        "srv.go",
         "util.go",
     ],
     importpath = "github.com/coreos/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/ugorji/go/codec:go_default_library",
         "//vendor/golang.org/x/net/context:go_default_library",
     ],

vendor/github.com/coreos/etcd/client/client.go

@@ -15,6 +15,7 @@
 package client
 
 import (
+	"encoding/json"
 	"errors"
 	"fmt"
 	"io/ioutil"
@@ -27,6 +28,8 @@ import (
 	"sync"
 	"time"
 
+	"github.com/coreos/etcd/version"
+
 	"golang.org/x/net/context"
 )
 
@@ -201,6 +204,9 @@ type Client interface {
 	// returned
 	SetEndpoints(eps []string) error
 
+	// GetVersion retrieves the current etcd server and cluster version
+	GetVersion(ctx context.Context) (*version.Versions, error)
+
 	httpClient
 }
 
@@ -366,12 +372,7 @@ func (c *httpClusterClient) Do(ctx context.Context, act httpAction) (*http.Respo
 			if err == context.Canceled || err == context.DeadlineExceeded {
 				return nil, nil, err
 			}
-			if isOneShot {
-				return nil, nil, err
-			}
-			continue
-		}
-		if resp.StatusCode/100 == 5 {
+		} else if resp.StatusCode/100 == 5 {
 			switch resp.StatusCode {
 			case http.StatusInternalServerError, http.StatusServiceUnavailable:
 				// TODO: make sure this is a no leader response
@@ -379,10 +380,16 @@ func (c *httpClusterClient) Do(ctx context.Context, act httpAction) (*http.Respo
 			default:
 				cerr.Errors = append(cerr.Errors, fmt.Errorf("client: etcd member %s returns server error [%s]", eps[k].String(), http.StatusText(resp.StatusCode)))
 			}
-			if isOneShot {
-				return nil, nil, cerr.Errors[0]
+			err = cerr.Errors[0]
+		}
+		if err != nil {
+			if !isOneShot {
+				continue
 			}
-			continue
+			c.Lock()
+			c.pinned = (k + 1) % leps
+			c.Unlock()
+			return nil, nil, err
 		}
 		if k != pinned {
 			c.Lock()
@@ -477,6 +484,33 @@ func (c *httpClusterClient) AutoSync(ctx context.Context, interval time.Duration
 	}
 }
 
+func (c *httpClusterClient) GetVersion(ctx context.Context) (*version.Versions, error) {
+	act := &getAction{Prefix: "/version"}
+
+	resp, body, err := c.Do(ctx, act)
+	if err != nil {
+		return nil, err
+	}
+
+	switch resp.StatusCode {
+	case http.StatusOK:
+		if len(body) == 0 {
+			return nil, ErrEmptyBody
+		}
+		var vresp version.Versions
+		if err := json.Unmarshal(body, &vresp); err != nil {
+			return nil, ErrInvalidJSON
+		}
+		return &vresp, nil
+	default:
+		var etcdErr Error
+		if err := json.Unmarshal(body, &etcdErr); err != nil {
+			return nil, ErrInvalidJSON
+		}
+		return nil, etcdErr
+	}
+}
+
 type roundTripResponse struct {
 	resp *http.Response
 	err  error

vendor/github.com/coreos/etcd/client/discover.go

@@ -14,8 +14,27 @@
 
 package client
 
+import (
+	"github.com/coreos/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)
 }
+
+type srvDiscover struct{}
+
+// NewSRVDiscover constructs a new Discoverer that uses the stdlib to lookup SRV records.
+func NewSRVDiscover() Discoverer {
+	return &srvDiscover{}
+}
+
+func (d *srvDiscover) Discover(domain string) ([]string, error) {
+	srvs, err := srv.GetClient("etcd-client", domain)
+	if err != nil {
+		return nil, err
+	}
+	return srvs.Endpoints, nil
+}

vendor/github.com/coreos/etcd/client/srv.go

@@ -1,65 +0,0 @@
-// Copyright 2015 The etcd 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 client
-
-import (
-	"fmt"
-	"net"
-	"net/url"
-)
-
-var (
-	// indirection for testing
-	lookupSRV = net.LookupSRV
-)
-
-type srvDiscover struct{}
-
-// NewSRVDiscover constructs a new Discoverer that uses the stdlib to lookup SRV records.
-func NewSRVDiscover() Discoverer {
-	return &srvDiscover{}
-}
-
-// Discover looks up the etcd servers for the domain.
-func (d *srvDiscover) Discover(domain string) ([]string, error) {
-	var urls []*url.URL
-
-	updateURLs := func(service, scheme string) error {
-		_, addrs, err := lookupSRV(service, "tcp", domain)
-		if err != nil {
-			return err
-		}
-		for _, srv := range addrs {
-			urls = append(urls, &url.URL{
-				Scheme: scheme,
-				Host:   net.JoinHostPort(srv.Target, fmt.Sprintf("%d", srv.Port)),
-			})
-		}
-		return nil
-	}
-
-	errHTTPS := updateURLs("etcd-client-ssl", "https")
-	errHTTP := updateURLs("etcd-client", "http")
-
-	if errHTTPS != nil && errHTTP != nil {
-		return nil, fmt.Errorf("dns lookup errors: %s and %s", errHTTPS, errHTTP)
-	}
-
-	endpoints := make([]string, len(urls))
-	for i := range urls {
-		endpoints[i] = urls[i].String()
-	}
-	return endpoints, nil
-}