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Merge pull request #52551 from mattmoyer/drop-experimental-bootstrap-token-auth

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Automatic merge from submit-queue (batch tested with PRs 52355, 52537, 52551, 52403, 50673). 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>..

Drop --experimental-bootstrap-token-auth flag.

**What this PR does / why we need it**:
Drops support for the `--experimental-bootstrap-token-auth` flag for the API server. This flag was replaced by `--enable-bootstrap-token-auth` in 1.8 (https://github.com/kubernetes/kubernetes/pull/51198) but the old flag was accepted with a deprecation warning. In 1.9 we want to totally drop it.

**Which issue this PR fixes**: fixes #50613

**Special notes for your reviewer**:
There are other places in kubeadm where we need to drop support for this flag (at init and at postupgrade). We can tackle those in a separate PR.

**Release note**:
I think this change is already document well enough in the changelog for 1.8.
```release-note
NONE
```

@kubernetes/sig-cluster-lifecycle-pr-reviews @kubernetes/sig-auth-pr-reviews 

/kind cleanup
This commit is contained in:
Kubernetes Submit Queue 2017-09-23 15:26:57 -07:00 committed by GitHub
commit 2dc33077f6
1 changed files with 0 additions and 4 deletions
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4
pkg/kubeapiserver/options/authentication.go
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@ -180,10 +180,6 @@ func (s *BuiltInAuthenticationOptions) AddFlags(fs *pflag.FlagSet) {
}
if s.BootstrapToken != nil {
fs.BoolVar(&s.BootstrapToken.Enable, "experimental-bootstrap-token-auth", s.BootstrapToken.Enable, ""+
"Deprecated (use --enable-bootstrap-token-auth).")
fs.MarkDeprecated("experimental-bootstrap-token-auth", "use --enable-bootstrap-token-auth instead.")
fs.BoolVar(&s.BootstrapToken.Enable, "enable-bootstrap-token-auth", s.BootstrapToken.Enable, ""+
"Enable to allow secrets of type 'bootstrap.kubernetes.io/token' in the 'kube-system' "+
"namespace to be used for TLS bootstrapping authentication.")