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add replicaset upgrade test

**What this PR does / why we need it**:
This PR adds existing replicaset upgrade test.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: xref #52118

**Release note**:

```release-note
NONE
```

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bump CNI to v0.6.0

**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)*: fixes #49480

**Special notes for your reviewer**:
/assign @luxas @bboreham @feiskyer 

**Release note**:

```release-note
bump CNI to v0.6.0
```

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kube-dns-anti-affinity: kube-dns never-co-located-in-the-same-node

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

This is upstreaming the kubernetes/kops#2705 pull request by @jamesbucher that was originally against [kops](github.com/kubernetes/kops).
Please see kubernetes/kops#2705 for more details, including a lengthy discussion.

Briefly, given the constraints of how the system works today:

+ if you need multiple DNS pods primarily for availability, then requiredDuringSchedulingIgnoredDuringExecution makes sense because putting more than one DNS pod on the same node isn't useful
+ if you need multiple DNS pods primarily for performance, then
preferredDuringScheduling IgnoredDuringExecution makes sense because it will allow the DNS pods to schedule even if they can't be spread across nodes

**Which issue this PR fixes**

fixes kubernetes/kops#2693

**Release note**:


```release-note
Improve resilience by annotating kube-dns addon with podAntiAffinity to prefer scheduling on different nodes.
```

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E2E test cases for Invalid user inputs for vSphere

Add E2E test cases to invalid inputs for vSphere

- Invalid FS Type in Storage Class.
- Invalid datastoreName in Storage Class.
- Invalid disksize for a persistent volume.

@divyenpatel @rohitjogvmw

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Do not crash when groupVersion doesn't have a group

**What this PR does / why we need it**: fixes a crash when the group is empty, because it assumes that split will return a two element array. Which it doesn't.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes kubernetes/kubectl#78

**Special notes for your reviewer**:

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

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fix controller manager crash issue on a manually created k8s cluster

**What this PR does / why we need it**:
fix controller manager crash issue on a manually created k8s cluster, it's due to availability set nil issue in azure loadbalancer

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
In the testing of a manually created k8s cluster, I found controller manager on master would crash in current scenario:
1. Use acs-engine to set up k8s 1.7.7 cluster (it's with an availability set)
2. Manually add a node to the k8s cluster (without an availibity set in this VM)
3. Set up a service and schedule the pod onto this newly added node
4. controller manager would crash on master because although this k8s cluster has an availability set, the newly added node's `machine.AvailabilitySet` is nil which would cause controller manager crash

**Special notes for your reviewer**:
@brendanburns @karataliu @JiangtianLi 

**Release note**:

```
fix controller manager crash issue on a manually created k8s cluster
```
/sig azure

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Fix build scripts on Mac

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typo in annotations

**What this PR does / why we need it**: just typo in annotations

**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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Add sample-apiserver namespace manifest

**What this PR does / why we need it**:
Adds a manifest to also create the required namespace for the api server example.

It was previously proposed here kubernetes/sample-apiserver#11

```release-note
```

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Enable autoscaling test of scale from 0 in GKE

This enables scale from zero test scenario in GKE jobs.

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Auto-calculate master disksize and cluster IP range in kubemark

/cc @wojtek-t

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unused para useInfDec  in quantity_test

**What this PR does / why we need it**:
the para useInfDec  unused and some comment error,so fix it!
**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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Make EVENT_PD variable useful for kubemark

/cc @wojtek-t

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Modify Schedule function

**What this PR does / why we need it**:
It is obvious that no need to prioritizing when only one node after predicate.

**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**:
@davidopp @timothysc

**Release note**:

```release-note
NONE
```

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 Update rules_go, repo-infra, and rules_docker dependencies

**What this PR does / why we need it**: several of our bazel dependencies were getting pretty old, since they required bazel 0.5.4+ but there were various failures if we tried to use them with bazel 0.5.4.

Now that bazel 0.6.0 (and 0.6.1) have been out for a while, we can bump our dependencies and get a number of fixes and new functionality.

x-ref #52677 and others

**Special notes for your reviewer**:
* This will now explicitly require bazel 0.6.0+ to build kubernetes.
* Our staging directories are causing some issues for `gazelle`; it wants to set `importpath = "k8s.io/kubernetes/staging/src/k8s.io/blah"` instead of `importpath = "k8s.io/blah"`. I'm not sure what is the correct way to fix this; what we're doing here is pretty weird and nonstandard. I've used a `sed` substitution for now.
* The `-proto=default` option of `gazelle` has a number of bugs right now (https://github.com/bazelbuild/rules_go/issues/888, https://github.com/bazelbuild/rules_go/issues/900, https://github.com/bazelbuild/rules_go/issues/907), so I am forcing the legacy behavior.

**Release note**:

```release-note
NONE
```

/assign @mikedanese @spxtr @BenTheElder

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remove redundant error test case in autoscaling validation
Signed-off-by: allencloud <allen.sun@daocloud.io>



**What this PR does / why we need it**:
I think the error test case I removed is the same as https://github.com/kubernetes/kubernetes/blob/master/pkg/apis/autoscaling/validation/validation_test.go#L393-L412 .
So maybe removal of this part is proper, since it would reduce the codes and save a little bit time in testing.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
NONE

**Special notes for your reviewer**:
NONE

**Release note**:

```release-note
NONE
```

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improve kubectl cp command in several ways 

**Release note**:
"kubectl cp" process soft link in better ways as well as some little bugs
  
**Soft link**:
before this patch 
    "kubectl cp" command will copy the soft link to destination as an empty regular file
after this patch
    "kubectl cp" command will behave the same as tar command
this patch improves it on both from container and to container

**some bugs**
1.from container to host
     a.when copy a file ends with '/', it will cause a panic.
        for example, container gakki has a regular file /tmp/test, then run command 
         _kubectl cp gakki:/tmp/test/  /tmp_
         a panic happens
 b.when copy a file which does not exist in container, the command ends up without 
         any error information

2.from host to container
    a.when run command like
        kubectl cp ""  gakki:/tmp
        it will try cp current directory to container, in other words, this command works
        the same as kubectl cp . gakki:/tmp
  b.current cp command will omit  an empty directory

This requires bazel 0.6.0+.

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Fix duplicate unbind action in kube-proxy

**What this PR does / why we need it**:
Fix duplicate unbind action in kube-proxy. It will generate unnecessary error info If unbind multi-ports on one service .

**Which issue this PR fixes**:
fixes #51694

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

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Volunteer to help with sig/openstack

I would like to do some code review/approve for OpenStack cloud
provider and cinder volume.

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

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add unit test for cloud-controller-manager

**What this PR does / why we need it**:
Add more unit test for coud-controller-manager

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
NONE

**Special notes for your reviewer**:
NONE

```release-note
NONE
```

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Fix broken links in kubeadm after moving proposals to subdirs

**What this PR does / why we need it**:
fix incorrect links in kubeadm after kubernetes/community#1010

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes  kubernetes/community#918

**Special notes for your reviewer**:
CC @bgrant0607
**Release note**:

```
NONE
```

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Remove the old Kubelet TLS Bootstrapping mode

**What this PR does / why we need it**:
As part of 1.9 clean up, remove old TLS Bootstrapping mode.

**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#447

**Special notes for your reviewer**:

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

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Fix broken url

**What this PR does / why we need it**:
I install kubernetes with kubeadm. after kubeadm init, need to install podnetwork with addons. but the output of 'kubeadm init' is to broken url. fix it is available.
 
**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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kubeadm: add Priority to admission control

**What this PR does / why we need it**:
Adds Priority admission control to kubeadm for all kubernetes versions > v1.9 alpha.

Related: https://github.com/kubernetes/kubernetes/pull/49322

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*:
fixes https://github.com/kubernetes/kubeadm/issues/434

**Special notes for your reviewer**:

**Release note**:
```release-note
Enable Priority admission control in kubeadm. 
```

cc @luxas

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Added more unit tests for kube-scheduler.

**What this PR does / why we need it**:
Added more unit tests for kube-scheduler.

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #
NONE

**Special notes for your reviewer**:
NONE

**Release note**:

```release-note
NONE
```

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Improve generated proxy URLs for cluster-info

Fixes #53927

improves the output of `kubectl cluster-info` to print more qualified URLs, including changing the proxied scheme to `https` if the service port name is `https` or port number is 443

```release-note
NONE
```