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e2e: Remove flaky from CSI E2E test

**What this PR does / why we need it**:
The tests have been passing consistently and now we can remove the Flaky tag.

See results here: https://k8s-testgrid.appspot.com/sig-storage#gce-flaky&width=5

**Release note**:

```release-note
NONE
```

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Fixing wrong unit test naming of (pkg/controller/podautoscaler)

**What this PR does / why we need it**:
/kind cleanup

Fixing wrong unit test naming of (pkg/controller/podautoscaler). Unit tests will not be executed, function name of _test.go file must start with Test*.

**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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fix session affinity for LoadBalancer service with ESIPP

**What this PR does / why we need it**:
fix session affinity for LoadBalancer service with ESIPP

**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 #63351

**Special notes for your reviewer**:
In cases that loadbalancer type service with externaltrafficpolicy=local and session-affinity specified, traffic to loadbalancer should only route to backends that in the same node with kube-proxy. 

**Release note**:
```release-note
NONE
```

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fix kubectl get --show-kind

This pull request fix `kubectl get --show-kind`
Before this change:
```json
$ kubectl get pods --show-kind
NAME                    READY     STATUS      RESTARTS   AGE
pi-with-timeout-52sjs   0/1       Completed   0          1d
pi-with-timeout-f5pb5   0/1       Completed   0          1d
```
After this change:
```
$ kubectl get pods --show-kind
NAME                        READY     STATUS      RESTARTS   AGE
pod/pi-with-timeout-52sjs   0/1       Completed   0          1d
pod/pi-with-timeout-f5pb5   0/1       Completed   0          1d
```


**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**:
/assign @soltysh 
**Release note**:

```release-note
NONE
```

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add kubectl wait

Adds a `kubectl wait --for=[delete|condition=condition-name] resource/string` command.  This allows generic waiting on well behaved conditions and for a resource or set of resources to be deleted.

This was requested for delete to do foreground deletion

WIP because I need to add test cases.


@kubernetes/sig-cli-maintainers this is using a separation of concerns made possible by the genericclioptions to make an easily unit testable command.
@smarterclayton 

```release-note
adds a kubectl wait command
```

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Fix preemption tests that use PDB

**What this PR does / why we need it**:
Scheduler integration tests that test preemption in presence of PDB had an issue causing PDB status not getting updated. This PR fixes the issue.

**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
```

/sig scheduling

xref/ #57057

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Enable SELinux relabeling in CSI volumes

**What this PR does / why we need it**:
CSI volume plugin should provide correct information in `GetAttributes` call so kubelet can ask container runtime to relabel the volume. Therefore CSI volume plugin needs to check if a random volume mounted by a CSI driver supports SELinux or not by checking for "seclabel" mount or superblock option.


**Which issue(s) this PR fixes**
Fixes #63965

**Release note**:
```release-note
NONE
```

@saad-ali @vladimirvivien @davidz627 
@cofyc, FYI, I'm changing `struct mountInfo`.

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remove portsforobject from factory

Removes another non-factory method out.

/assign @juanvallejo

```release-note
NONE
```

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kubeadm: Write kubelet config file to disk and persist in-cluster

**What this PR does / why we need it**:
In order to make configuration flow from the cluster level to node level, we need a way for kubeadm to tell the kubelet what config to use. As of v1.10 (I think) the kubelet can read `--config` using the kubelet Beta ComponentConfiguration API, so now we have an interface to talk to the kubelet properly.

This PR:
 - Writes the kubelet ComponentConfig to `/var/lib/kubelet/config.yaml` on init and join
 - Writes an environment file to source in the kubelet systemd dropin `/var/lib/kubelet/kubeadm-flags.env`. This file contain runtime flags that should be passed to the kubelet.
 - Uploads a ConfigMap with the name `kubelet-config-1.X`
 - Patches the node object so that it starts using the ConfigMap with updates using Dynamic Kubelet Configuration, **only if the feature gate is set** (currently alpha and off by default, not intended to be switched on in v1.11)
 - Updates the phase commands to reflect this new flow

The kubelet dropin file I used now looks like this:
```
# v1.11.x dropin as-is at HEAD
# /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
---
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
EnvironmentFile-=/var/lib/kubelet/kubeadm-flags.env
# Should default to 0 in v1.11: https://github.com/kubernetes/kubernetes/pull/63881, and hence not be here in the real v1.11 manifest
Environment="KUBELET_CADVISOR_ARGS=--cadvisor-port=0"
# Should be configurable via the config file: https://github.com/kubernetes/kubernetes/issues/63878, and hence be configured using the file in v1.11
Environment="KUBELET_CERTIFICATE_ARGS=--rotate-certificates=true"
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_CADVISOR_ARGS $KUBELET_CERTIFICATE_ARGS $KUBELET_EXTRA_ARGS
---
# v1.11.x dropin end goal
# /etc/systemd/system/kubelet.service.d/10-kubeadm.conf
---
[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml"
EnvironmentFile-=/var/lib/kubelet/kubeadm-flags.env
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS
---
# Environment file dynamically created at runtime by "kubeadm init"
# /var/lib/kubelet/kubeadm-flags.env
KUBELET_KUBEADM_ARGS=--cni-bin-dir=/opt/cni/bin --cni-conf-dir=/etc/cni/net.d --network-plugin=cni
```

**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 https://github.com/kubernetes/kubeadm/issues/822
Fixes https://github.com/kubernetes/kubeadm/issues/571

**Special notes for your reviewer**:

**Release note**:

```release-note
"kubeadm init" now writes a structured and versioned kubelet ComponentConfiguration file to `/var/lib/kubelet/config.yaml` and an environment file with runtime flags (you can source this file in the systemd kubelet dropin) to `/var/lib/kubelet/kubeadm-flags.env`.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @mtaufen

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Add initContainers into completion suggestions for kubectl logs/attach

**What this PR does / why we need it**: This PR improves autocomplete of kubectl logs/attach to add initContainers into completion suggestions in addition to containers.

```
$ cat <<EOL | kubectl apply -f -
apiVersion: v1
kind: Pod
metadata:
  name: myapp-pod
spec:
  initContainers:
  - name: init-myservice
    image: busybox
    command: ['sh', '-c', 'until nslookup myservice; do echo waiting for myservice; sleep 2; done;']
  - name: init-mydb
    image: busybox
    command: ['sh', '-c', 'until nslookup mydb; do echo waiting for mydb; sleep 2; done;']
  containers:
  - name: myapp-container
    image: busybox
    command: ['sh', '-c', 'echo The app is running! && sleep 3600']
EOL
$ kubectl logs myapp-pod <tab><tab>
init-mydb        init-myservice   myapp-container
```

**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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Sample controller tests

**What this PR does / why we need it**:
This PR adds unit tests to sample-controller.

**Special notes for your reviewer**:
This is currently based on the munnerz:sample-controller branch. Please don't merged it until #52753 is merged.

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Add unit tests to `kubeadm upgrade diff` and small improvements

**What this PR does / why we need it**:

has a couple of commits:

I.
```
1) Store the io.Writer and pass it to sub-commands in upgrade.go
2) Check if the manifest path is an empty string in diff.go:runDiff()
3) Use the io.Writer that upgrade.go defines instead of writing to
os.Stdout directly.
```
II.
```
Add the file diff_test.go, which has a single test:
  TestRunDiff

The test covers most error cases for the runDiff() function,
and also performs a valid diff.
```


**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 kubernetes/kubeadm#826

**Special notes for your reviewer**:
@liztio @luxas 

**Release note**:

```release-note
NONE
```

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switch rbac to external

The overall trajectory of the project is towards external types.  Having all helpers agree on the version they operate on makes life much easier.  We've already written one RBAC controller (role aggregation) and more may follow.  `v1` has been around for a while now and we know that any future changes have to reliably roundtrip through it.  This pull switches all the core helpers over to use the external types.

@kubernetes/sig-auth-pr-reviews 

```release-note
`kubectl auth reconcile` only works with rbac.v1
```

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remove one duplicated unit test

Unit test `TestGetAllListObjects` is exactly the same with unit test `TestGetListObjects`.



**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**:
/assign @soltysh 
**Release note**:
```release-note
NONE
```

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Make kubectl could create clusterrole with aggregation rules

**What this PR does / why we need it**:
The clusterrole aggregation rule features are available since v1.9:
https://kubernetes.io/docs/admin/authorization/rbac/#aggregated-clusterroles
This patch makes kubectl could create clusterrole with aggregation rules.
**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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check error when parse field failed

**What this PR does / why we need it**:
check error when parse field failed
**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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Automatically load ipvs required kernel modules in kubeadm

**What this PR does / why we need it**:
This PR is part of [https://github.com/kubernetes/kubernetes/issues/59402](https://github.com/kubernetes/kubernetes/issues/59402), aiming to load kernel modules in kubeadm

**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 #[https://github.com/kubernetes/kubernetes/issues/59402](https://github.com/kubernetes/kubernetes/issues/59402)

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

Added unit tests.

Changed NewController function to accept informers and not informers
factory. This make code more testable and align it with other
controllers.

The tests have been passing consistently and now we can remove
the Flaky tag.

kubeadm: Write kubelet config file to disk and persist in-cluster. Also write runtime environment file and fixup the kubelet phases command

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remove LabelsForObject and ResolveImage from factory

**Release note**:
```release-note
NONE
```

Removes the `ResolveImage` and `LabelsForObject` methods from factory_client_access, which are not needed.

cc @soltysh

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kubeadm: Remove .AuthorizationModes in the v1alpha2 API

**What this PR does / why we need it**:
Now that we have https://github.com/kubernetes/kubernetes/pull/63879, we don't actually need to have `:AuthorizationModes` in our API anymore. This PR removes support for `.AuthorizationModes` in the v1alpha2 API, but keeps an upgrade path available (automatic conversion) from the v1alpha1 version.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Part of kubernetes/community#2131

**Special notes for your reviewer**:
Depends on:
 - [x] https://github.com/kubernetes/kubernetes/pull/63879
 - [x] https://github.com/kubernetes/kubernetes/pull/63917

**Release note**:

```release-note
[action required] kubeadm: Support for `.AuthorizationModes` in the kubeadm v1alpha2 API has been removed. Instead, you can use the `.APIServerExtraArgs` and `.APIServerExtraVolumes` fields to achieve the same effect. Files using the v1alpha1 API and setting this field will be automatically upgraded to this v1alpha2 API and the information will be preserved.
```
@kubernetes/sig-cluster-lifecycle-pr-reviews @liztio

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kubelet: fix checkpoint manager logic bug on restore

**What this PR does / why we need it**:
I am testing the new checkpoint logic within the kubelet and ran across a logic bug on API server restores.

Initial PR: https://github.com/kubernetes/kubernetes/pull/56040

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:

**Special notes for your reviewer**:
/cc @vikaschoudhary16 

**Release note**:
```release-note
NONE
```

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Implement watch-based secret manager

Initial experiments on 5000-node Kubemark show that apiserver is handling those with no real issues.
That said, we shouldn't enable it in prod without much more extensive scalability tests (so most probably not in 1.11), but having that in would enable easier testing.

@liggitt

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Add optional flag of node port range

**What this PR does / why we need it**:
Add option of setting port range when using hack/local-up-cluster.sh
**Which issue(s) this PR fixes**
Inability to set port range flag

**Release note**:

```release-note
NONE
```

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correct test logging package stackdrvier -> stackdriver

**What this PR does / why we need it**: corrects the name of the stackdriver logging test package

**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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fix typo: peirodically->periodically

**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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move updatepodspecforobject out of factory

Updating a podspec is a polymorphic helper, but it isn't a factory method.

@kubernetes/sig-cli-maintainers 
/assign @juanvallejo 

```release-note
NONE
```

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Kubelet responds to ConfigMap mutations for dynamic Kubelet config

This PR makes dynamic Kubelet config easier to reason about by leaving less room for silent skew scenarios. The new behavior is as follows:
- ConfigMap does not exist: Kubelet reports error status due to missing source
- ConfigMap is created: Kubelet starts using it
- ConfigMap is updated: Kubelet respects the update (but we discourage this pattern, in favor of incrementally migrating to a new ConfigMap)
- ConfigMap is deleted: Kubelet keeps using the config (non-disruptive), but reports error status due to missing source
- ConfigMap is recreated: Kubelet respects any updates (but, again, we discourage this pattern)

This PR also makes a small change to the config checkpoint file tree structure, because ResourceVersion is now taken into account when saving checkpoints. The new structure is as follows:
```
- dir named by --dynamic-config-dir (root for managing dynamic config)
| - meta
  | - assigned (encoded kubeletconfig/v1beta1.SerializedNodeConfigSource object, indicating the assigned config)
  | - last-known-good (encoded kubeletconfig/v1beta1.SerializedNodeConfigSource object, indicating the last-known-good config)
| - checkpoints
  | - uid1 (dir for versions of object identified by uid1)
    | - resourceVersion1 (dir for unpacked files from resourceVersion1)
    | - ...
  | - ...
```


fixes: #61643

```release-note
The dynamic Kubelet config feature will now update config in the event of a ConfigMap mutation, which reduces the chance for silent config skew. Only name, namespace, and kubeletConfigKey may now be set in Node.Spec.ConfigSource.ConfigMap. The least disruptive pattern for config management is still to create a new ConfigMap and incrementally roll out a new Node.Spec.ConfigSource.
```