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eliminate duplicated codes in estimateContainer method
**What this PR does / why we need it**:
there are two code snippets about when to estimate resource for cpu and mem are duplicated, i extracted them into method `getEstimationIfNeeded` method
Signed-off-by: bruceauyeung <ouyang.qinhua@zte.com.cn>
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Admission control support for versioned configuration files
**What this PR does / why we need it**:
Today, the `--admission-control-config-file=` argument takes an opaque file that is shared across all admission controllers to provide configuration. This file is not well-versioned and it's shared across multiple plug-ins. Some plugins take file based configuration (`ImagePolicyWebhook`) and others abuse flags to provide configuration because we lacked a good example (`InitialResources`). This PR defines a versioned configuration format that we can use moving forward to provide configuration input to admission controllers that is well-versioned, and does not require the addition of new flags.
The sample configuration file would look as follows:
```
apiVersion: componentconfig/v1alpha1
kind: AdmissionConfiguration
plugins:
- name: "ImagePolicyWebhook"
path: "image-policy-webhook.json"
```
The general behavior is each plugin that requires additional configuration is enumerated by name. An alternate file location is provided for its specific configuration, or the configuration can be embedded as a raw extension via the configuration section.
**Special notes for your reviewer**:
A follow-on PR will be needed to make `ImagePolicyWebhook` to use versioned configuration. This PR maintains backwards compatibility by ignoring configuration it cannot understand and therefore treating the file as opaque. I plan to make use of this PR to complete https://github.com/kubernetes/kubernetes/pull/36765 which attempts to allow more configuration parameters to the `ResourceQuota` admission plugin.
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Made cache.Controller to be interface.
**What this PR does / why we need it**:
#37504
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run staging client-go update
Chasing to see what real problems we have in staging-client-go.
@sttts you get similar results?
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replace global registry in apimachinery with global registry in k8s.io/kubernetes
We'd like to remove all globals, but our immediate problem is that a shared registry between k8s.io/kubernetes and k8s.io/client-go doesn't work. Since client-go makes a copy, we can actually keep a global registry with other globals in pkg/api for now.
@kubernetes/sig-api-machinery-misc @lavalamp @smarterclayton @sttts
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[scheduling] Moved pod affinity and anti-affinity from annotations to api fields #25319
Converted pod affinity and anti-affinity from annotations to api fields
Related: #25319
Related: #34508
**Release note**:
```Pod affinity and anti-affinity has moved from annotations to api fields in the pod spec. Pod affinity or anti-affinity that is defined in the annotations will be ignored.```
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Use controller interface for everything in config factory
**What this PR does / why we need it**:
We want to replace controller structs with interfaces
- per the TODO in `ControllerInterface`
- Specifically this will make the decoupling from Config and reuse of the scheduler's subcomponents cleaner.
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Remove special case for StatefulSets in scheduler
**What this PR does / why we need it**: Removes special case for StatefulSet in scheduler code
/ref: https://github.com/kubernetes/kubernetes/issues/39687
**Special notes for your reviewer**:
**Release note**:
```release-note
Scheduler treats StatefulSet pods as belonging to a single equivalence class.
```
Automatic merge from submit-queue (batch tested with PRs 39684, 39577, 38989, 39534, 39702)
Set PodStatus QOSClass field
This PR continues the work for https://github.com/kubernetes/kubernetes/pull/37968
It converts all local usage of the `qos` package class types to the new API level types (first commit) and sets the pod status QOSClass field in the at pod creation time on the API server in `PrepareForCreate` and in the kubelet in the pod status update path (second commit). This way the pod QOS class is set even if the pod isn't scheduled yet.
Fixes#33255
@ConnorDoyle @derekwaynecarr @vishh
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Add support for groups to passwordfile
As we move deployment methods to using RBAC, it is useful to be able to place the admin user in the bootstrap kubeconfig files in a superuser group. The tokencsv file supports specifying group membership, but the basicauth file does not. This adds it for parity.
I plan to update the generated password file to put the admin user in a group (similar to the way https://github.com/kubernetes/kubernetes/pull/39537 puts that user in a group in the token file)
```release-note
--basic-auth-file supports optionally specifying groups in the fourth column of the file
```
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Allow node-controller to update node status
ref: #39639
* adds required permissions to node-controller
* fixes typo in role name for pod-garbage-collector role
* adds event watching permissions to persistent volume controller
* adds event permissions to node proxier
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Update FitError as a message component into the PodConditionUpdater.
Fixes#20064 , after a roundabout volley of ideas, we ended up digging into existing Conditions for this, rather then a first class API object. This is just a quick sketch of the skeleton minimal implementation, it should pretty much "just work". I'll test it more later today.
Release Note:
```
Histogram data of predicate failures is contained in pod conditions and thus available to users by kubectl commands.
```
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Start moving genericapiserver to staging
This moves `pkg/auth/user` to `staging/k8s.io/genericapiserver/pkg/authentication/user`. I'll open a separate pull into the upstream gengo to support using `import-boss` on vendored folders to support staging.
After we agree this is the correct approach and see everything build, I'll start moving other packages over which don't have k8s.io/kubernetes deps.
@kubernetes/sig-api-machinery-misc @lavalamp
@sttts @caesarxuchao ptal
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Fix comment and optimize code
**What this PR does / why we need it**:
Fix comment and optimize code.
Thanks.
**Special notes for your reviewer**:
**Release note**:
```release-note
```
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oidc auth-n plugin: enforce email_verified claim
This change causes the OpenID Connect authenticator to start
enforcing the 'email_verified' claim.
https://openid.net/specs/openid-connect-core-1_0.html#StandardClaims
If the OIDC authenticator uses the 'email' claim as a user's username
and the 'email_verified' is not set to `true`, reject that authentication attempt.
cc @erictune @kubernetes/sig-auth @mlbiam
```release-note
When using OIDC authentication and specifying --oidc-username-claim=email, an `"email_verified":true` claim must be returned from the identity provider.
```
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