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kube-{apiserver,ctrl-mgr}: unify into DeprecatedInsecureServingOptions
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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Add limit to the TokenRequest expiration time
**What this PR does / why we need it**:
A new API TokenRequest has been implemented.It improves current serviceaccount model from many ways.
This patch adds limit to TokenRequest expiration time.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes#63575
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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disable PersistentVolumeLabel admission controller by default
**What this PR does / why we need it**:
Disables PersisntVolumeLabel admission controller by default. This was set for [deprecation since 1.8](https://github.com/kubernetes/kubernetes/pull/52618) so we can now disable it by default. PersisntVolumeLabel admission controller can still be explicitly enabled and can also run on external cloud controller manageres.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
https://github.com/kubernetes/kubernetes/issues/52617
**Special notes for your reviewer**:
**Release note**:
```release-note
(ACTION REQUIRED) PersisntVolumeLabel admission controller is now disabled by default. If you depend on this feature (AWS/GCE) then ensure it is added to the `--enable-admission-plugins` flag on the kube-apiserver.
```
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Show deprecated kube-apiserver flags
**What this PR does / why we need it**:
This PR unhides deprecated kube-apiserver flags, so that the deprecation notice is clearly visible in --help.
Fixes#62617
**Release note**:
```release-note
NONE
```
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remove deprecated initresource admission plugin
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
xref https://github.com/kubernetes/kubernetes/pull/55375#issuecomment-360329586
**Special notes for your reviewer**:
/assign @piosz @deads2k
**Release note**:
```release-note
remove deprecated initresource admission plugin
```
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kube-apiserver add BuiltInAuthorizationOptions validation
Validate BuiltInAuthorizationOptions after flags parsed.
**Release note**:
```release-note
NONE
```
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remove kube-apiserver `--storage-version` flag
#`--storage-version` has been deprecated more than a year ago, should remove it.
**Release note**:
```release-note
Remove kube-apiserver `--storage-version` flag, use `--storage-versions` instead.
```
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Remove deprecated paramter "authorization-rbac-super-user"
**What this PR does / why we need it**: As RBAC is v1 now, we need remove the deprecated "authorization-rbac-super-user" paramter for RBAC alpha
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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Move `persistentvolume` into `storage` package under `plugin/pkg/admission`
Sorry for omitting this in the previous PR #60367
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Following #60367
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
/assign @jsafrane @thockin
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Move `storageclass` into `storage` package under `plugin/pkg/admission`
We have two directories `storage` and `storageclass` under package `plugin/pkg/admission` and one subdir `storageobjectinuseprotection` of `storage` now.
- 1. Move `storageclass` into `storage` being `storage`'s sub-package since storageclass is one of the storage objects
- 2. fix golint failures
**What this PR does / why we need it**:
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
NONE
```
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Expose default service IP CIDR in apiserver
**What this PR does / why we need it**:
The `--service-cluster-ip-range` parameter of API server is very important for deploying Kubernetes on some clouds. The default CIDR "10.0.0.0/24" should be exposed at least from the API server's help message so that users have a better idea whether they need to change it.
This patch exposes this default value in API server's help message.
**Which issue this PR fixes** : fixes#51248
**Release note**:
```
NONE
```
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set default enabled admission plugins by official document
**What this PR does / why we need it**:
https://kubernetes.io/docs/admin/admission-controllers/#is-there-a-recommended-set-of-admission-controllers-to-use
recommend running the following set of admission controllers
```
If you previously had not set the `--admission-control` flag, your cluster behavior may change (to be more standard). See [https://kubernetes.io/docs/admin/admission-controllers/] for explanation of admission control.
```
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
Set default enabled admission plugins `NamespaceLifecycle,LimitRanger,ServiceAccount,PersistentVolumeLabel,DefaultStorageClass,DefaultTolerationSeconds,MutatingAdmissionWebhook,ValidatingAdmissionWebhook,ResourceQuota`
```
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oidc authentication: switch to v2 of coreos/go-oidc
Switch to v2 of [coreos/go-oidc](https://github.com/coreos/go-oidc), which uses square/go-jose to verify tokens and supports more signing algorithms.
Most of this PR removes dependencies used by the older version of github.com/coreos/go-oidc, and updates vendor files.
This PR has been tested against tokens issued by Okta, Google, and CoreOS's dex.
Closes https://github.com/kubernetes/kubernetes/issues/57806
```release-note
kube-apiserver: the OpenID Connect authenticator can now verify ID Tokens signed with JOSE algorithms other than RS256 through the --oidc-signing-algs flag.
kube-apiserver: the OpenID Connect authenticator no longer accepts tokens from the Google v3 token APIs, users must switch to the "https://www.googleapis.com/oauth2/v4/token" endpoint.
```
cc @rithujohn191 @liggitt
cc @kubernetes/sig-auth-pr-reviews
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Add IPv6 to command options.
**What this PR does / why we need it**:
This PR adds IPv6 information to the descriptions for several command options.
[Related PR in kubernetes/website](https://github.com/kubernetes/website/pull/6498)
**Release note**:
```release-note
NONE
```
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Remove experimental keystone authenticator
**What this PR does / why we need it**:
experimental-keystone-url and experimental-keystone-ca-file were always
experimental. So we don't need a deprecation period.
KeystoneAuthenticator was on the server side and needed userid/password
to be passed in and used that to authenticate with Keystone. We now
have authentication and authorization web hooks that can be used. There
is a external repo with a webook for keystone which works fine along
with the kubectl auth provider that was added in:
a0cebcb559
So we don't need this older style / hard coded / experimental code
anymore.
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #
**Special notes for your reviewer**:
**Release note**:
```release-note
kube-apiserver: the experimental in-tree Keystone password authenticator has been removed in favor of extensions that enable use of Keystone tokens.
```
Chao Xu