Waits till nvidia gpu disappears from all nodes after deleting the
device plug DaemonSet to make sure its pods are deleted from all nodes.

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federation: Remove manifests which are no longer used

Federation manifests files which are meant to be used by CI jobs are no longer used and are out-dated and no longer maintained. So removing them.

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

/cc @kubernetes/sig-federation-pr-reviews @madhusudancs

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federation/pkg/federation-controller/util: fix swallowed errors

**What this PR does / why we need it**: The re-declaration of `err` inside the `if` block causes it to be lost before the check on line 93, even though it is reassigned on lines 95 and 90. By declaring the secret variable on line 71 I was able to ditch the `:=` assignment on line 72, meaning we can keep the `err` variable previously defined before the block on line 47.

```release-note NONE
```

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Note that all importing cloud-providers not required implementing out-of-tree cloud-provider

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

[The documentation indicates](https://github.com/kubernetes/kubernetes.github.io/pull/5400/files#diff-9585dc0efb0450fd68728e7511754717R29) that authors of of out-of-tree cloud providers should

> Use [main.go in cloud-controller-manager](https://github.com/kubernetes/kubernetes/blob/master/cmd/cloud-controller-manager/controller-manager.go) from Kubernestes core as a template for your main.go

This PR adds a comment to indicate that when doing so they do not need to import all in-tree cloud-providers. This mistake had been made in the OCI, DO, and Rancher CCMs.

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

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

/cc @luxas @wlan0 @andrewsykim @jhorwit2
/area cloudprovider
/sig cluster-lifecycle

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Fix host network flake tests

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

Fix flaky test "Security Context when creating a pod in the host network namespace should listen on same port in the host network containers".

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #53091

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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Simplify deployment in federation CI jobs

**What this PR does / why we need it**:
Introduce a new variable `USE_PV_FOR_ETCD` to control whether to use PV for federation etcd. `USE_PV_FOR_ETCD` is set to false by default and can be overridden in CI jobs where we want to test with PV. For most of the federation CI jobs, it does not matter whether we use PV for etcd or not. We can overcome some issues by not depending on PV's in federation setup like failure to bind to PV and leaking PD's. etc...
#50543 is one such issue associated with PV.

This PR also contain a commit to fix couple of minor issues and removing unnecessary include of cluster/common script.

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

/assign @madhusudancs 
/cc @kubernetes/sig-federation-pr-reviews

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Add a negotiate method media type for use in explicit contexts

There are more cases now where we want to negotiate from contexts where we have a media type but no request.

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Modify traces in deletion handler

Ref https://github.com/kubernetes/kubernetes/issues/51899#issuecomment-332356230

cc @kubernetes/sig-release-members @jdumars @dims Can we get this into 1.8?

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Allow to use version labels in kubeadm upgrade apply command.

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

kubeadm upgrade apply now is able to utilize all possible combinations
of version argument, including labels (latest, stable-1.8, ci/latest-1.9)
as well as specific builds (v1.8.0-rc.1, ci/v1.9.0-alpha.1.123_01234567889)

As side effect, specifying exact build to deploy from CI area is now also
possible in kubeadm init command.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes kubernetes/kubeadm#451

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

**Release note**:
```release-note
- kubeadm init can now deploy exact build from CI area by specifying ID with "ci/" prefix. Example: "ci/v1.9.0-alpha.1.123+01234567889"
- kubeadm upgrade apply supports all standard ways of specifying version via labels. Examples: stable-1.8, latest-1.8, ci/latest-1.9 and similar.
```

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Fix pointer receiver handling in queryparams marshaler

**What this PR does / why we need it**:
`Time.MarshalQueryParameter()` and `Time.MarshalJSON()` try to handle nil pointer object (they call `t.IsZero()` which checks if t == nil) but fail because receiver is not a pointer so the dereference needed to pass it as receiver to these methods fails with npe.
In practice this happens with `Unstructured.SetDeletionTimestamp(Unstructured.GetDeletionTimestamp())`.

Here is the stacktrace of the failing test if receiver is not a pointer.
```go
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
	panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x1407969]

goroutine 22 [running]:
testing.tRunner.func1(0xc4204f0680)
	/usr/local/Cellar/go/1.8/libexec/src/testing/testing.go:622 +0x29d
panic(0x1485a80, 0x1782bc0)
	/usr/local/Cellar/go/1.8/libexec/src/runtime/panic.go:489 +0x2cf
k8s.io/kubernetes/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured.(*Unstructured).SetDeletionTimestamp(0xc420030790, 0x0)
	/Users/ash2k/gopath/src/k8s.io/kubernetes/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured.go:387 +0x29
k8s.io/kubernetes/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured.TestNilDeletionTimestamp(0xc4204f0680)
	/Users/ash2k/gopath/src/k8s.io/kubernetes/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/unstructured/unstructured_test.go:40 +0x4c
```

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Support apps.ReplicaSet in kubectl

Supersedes #53056, ref #53040 


**Release note**:

```release-note
NONE
```

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Detect major version mismatches between kubeadm and kubelet.

**What this PR does / why we need it**:
Kubeadm supports only one minor release back, thus for 1.9 it requires minimum kubelet from 1.8.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes kubernetes/kubeadm#430

**Special notes for your reviewer**:

**Release note**:
```release-note
- kubeadm 1.9 will detect and fail init or join pre-flight checks if kubelet is lower than 1.8.0-alpha
```

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Use patch to avoid overwriting potential pending status updates

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

Fix TODO(bsalamat): change this to patch PodStatus to avoid overwriting potential pending status updates.

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

**Release note**:

```release-note
NONE
```

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fix fuzz of micro time

**Release note**:
```
NONE
```
/assign @sttts

Note that importing all cloud-providers is not required when
implementing an out-of-tree cloud-provider.

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federation: simplify deepcopy calls

We have static DeepCopy now without the possibility of errors. Makes the code much simpler.

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Added device plugin e2e kubelet failure test
Signed-off-by: Renaud Gaubert <renaud.gaubert@gmail.com>

**What this PR does / why we need it**:
This is part of issue #52859 (fixes #52859)

This PR adds a e2e_node test for the device plugin.
Specifically it implements testing of failure handling by the device plugin components in case Kubelet restart / crashes.

I might try to refactor the GPU tests in a later PR.

**Special notes for your reviewer**:
@jiayingz @vishh 

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

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s390x ingress controller support

**What this PR does / why we need it**: Adds support for an s390x ingress image to the juju kubernetes-worker charm.

**Release note**:
```
Adds support for an s390x ingress image to the juju kubernetes-worker charm.
```

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To be consistent with http package, check also no_proxy

**What this PR does / why we need it**:
Default http.ProxyFromEnvironment uses uppper case proxy
environment variables first, and if they are not defined,
tries lower case. For NewProxierWithNoProxyCIDR we should
provide similar user experience.
Example: cluster will not be able to access service or pod CIDRs in case user uses lower case version of proxy variables.

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

**Special notes for your reviewer**:

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

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Create container log symlink for all containers

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

dockershim only makes  log symlink for running containers now, we should also create the log symlink for failed containers.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #50499

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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Fix typo in docs of remote package

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

Fix typo in docs of kubelet/remote package

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

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

Merge pull request #52238 from mattjmcnaughton/mattjmcnaughton/address-golint-errors-in-podautoscaler

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Fix golint errors in `pkg/controller/podautoscaler`

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

Address `golint` errors in `pkg/controller/podautoscaler`. Note,
I did not address issues around exported types/functions missing
comments, because I'm not sure what the convention within the k8s project is.

```release-note
NONE
```
Signed-off-by: mattjmcnaughton <mattjmcnaughton@gmail.com>

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Add YAML example to kubectl patch.

**What this PR does / why we need it**:
A YAML example has been requested for the kubectl patch reference doc.

fixes #458

**Special notes for your reviewer**:

* Added a YAML example.
* Updated the description to include JSON patch and JSON merge patch.

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

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Add more reviewers for volume components

**Release note**:

NONE

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Align imagefs eviction defaults with image gc defaults

**What this PR does / why we need it**:
If a node is configured to use an imagefs for container storage, we should align the default imagefs eviction threshold with the default image-gc threshold.  This PR updates the default imagesfs.available threshold to trigger when below 15% available space, which is same as default image-gc high threshold for 85%.

Fixes https://github.com/kubernetes/kubernetes/issues/53074

**Special notes for your reviewer**:
none, this only impacts nodes running an imagefs otherwise its ignored.

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

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Always populate volume status from node

Fixes https://github.com/kubernetes/kubernetes/issues/52036 

As discussed offline with @jingxu97 

/sig storage

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CRI: Allow configuring stdout/stderr streams for Exec/Attach requests

Add stdout/stderr to exec and attach requests. Also check the request to
ensure it meets the requirements.

**Which issue this PR fixes**: fixes #44448

```release-note
CRI: Add stdout/stderr fields to Exec and Attach requests.
```

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Allow kubelet metrics tests to run on gke

**What this PR does / why we need it**:
On GKE, you can still access kubelet metrics, so allow the kubelet metrics test.

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

**Special notes for your reviewer**:

**Release note**:

NONE

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Improve HT detection

**What this PR does / why we need it**:
Fix Cpu Manager e2e node tests that fail due to hard-coded `Thread(s) per core` char position.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #52988

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Add an OWNERS file for deviceplugin package. Update OWNERS file for gpu package.

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

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Move deployment collision avoidance e2e test to integration

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

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: ref #52113

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

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Adjust audit policy to omit high-volume or large responses from expected actors

Builds on https://github.com/kubernetes/kubernetes/pull/52960

Possibly related to density test failures https://github.com/kubernetes/kubernetes/issues/51899#issuecomment-331924016

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Fix a potential file leak

Previously, if a write or sync error occurred, we would not have called
Close(). This commit refactors ReplaceFile() so that we are sure to call
Close(), and also attempts to delete the temporary file if errors occur.

See: https://github.com/kubernetes/kubernetes/pull/52119#discussion_r137916659
Fixes: #53060

```release-note
NONE
```

@yujuhong @ash2k

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In autoscaling tests, add waiting for new pool to become ready

This adds missing timeout when adding a node pool in GKE scale to 0 test and improves logging error when enabling autoscaling.

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Fix typo in e2e-node-test.sh

Correct 'Makfile' to 'Makefile'

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Collapse all metrics handlers into common code

Remove the MonitorRequest method and replace with a method that takes
request.RequestInfo, which is our default way to talk about API objects.
Preserves existing semantics for calls.

Not for 1.8, but fixes the ugliness and code duplication in #52237