Merge pull request #53795 from xiangpengzhao/deprecate-eqr

Automatic merge from submit-queue (batch tested with PRs 53119, 53753, 53795, 52981). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Mark etcd-quorum-read as deprecated. **What this PR does / why we need it**: **Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes # ref: #53662 ##53717 **Special notes for your reviewer**: /cc @liggitt @dims @anguslees **Release note**: ```release-note Deprecation: The flag `etcd-quorum-read ` of kube-apiserver is deprecated and the ability to switch off quorum read will be removed in a future release. ```

Merge pull request #53795 from xiangpengzhao/deprecate-eqr
1289fac5 · Kubernetes Submit Queue · GitHub · 03adf92a · 2a454dce · 1289fac5
Commit 1289fac5 authored Oct 12, 2017 by Kubernetes Submit Queue Committed by GitHub Oct 12, 2017
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etcd.go staging/src/k8s.io/apiserver/pkg/server/options/etcd.go +2 -1

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--- a/staging/src/k8s.io/apiserver/pkg/server/options/etcd.go
+++ b/staging/src/k8s.io/apiserver/pkg/server/options/etcd.go
@@ -144,7 +144,8 @@ func (s *EtcdOptions) AddFlags(fs *pflag.FlagSet) {
 		"SSL Certificate Authority file used to secure etcd communication.")
 	fs.BoolVar(&s.StorageConfig.Quorum, "etcd-quorum-read", s.StorageConfig.Quorum,
-		"If true, enable quorum read.")
+		"If true, enable quorum read. It defaults to true and is strongly recommended not setting to false.")
+	fs.MarkDeprecated("etcd-quorum-read", "This flag is deprecated and the ability to switch off quorum read will be removed in a future release.")
 	fs.StringVar(&s.EncryptionProviderConfigFilepath, "experimental-encryption-provider-config", s.EncryptionProviderConfigFilepath,
 		"The file containing configuration for encryption providers to be used for storing secrets in etcd")