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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.
```
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.
Automatic merge from submit-queue (batch tested with PRs 58595, 58689). 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>.
fix invalid admission name LimitPodHardAntiAffinityTopology
@hzxuzhonghu
@sttts
**Release note**:
```release-note
NONE
```
Automatic merge from submit-queue (batch tested with PRs 57257, 55442). 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>.
Fix a typo and improve some documentation.
Fix a typo and add some better help docs.
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kube-apiserver: fix runtime-config flag docs
This `apis/<GV>` syntax must predate API groups? It's not what we support today at least.
As part of the larger plan to drop --cloud-provider and --cloud-config
from kube-apiserver, we need to stop calling Cloud Provider API to
find the external ip address when one is not specified on the command
line.
When ExternalHost is not specified, we check if AdvertiseAddress is
specified and use that, if that is missing then we use os.Hostname().
When testing this feature, found a problem that when ExternalHost
is specified, the port was not added in the generated URL. So fixed
that as well.
Long term plan is to remove all uses of cloud provider from kube api
server. As part of that, we need to remove the dependency on
figuring out the host address of the node running the kube api server
using the cloud provider. In this review, we log a warning that this
feature that is usually used for example with swagger generation
will go away in the future.
