Automatic merge from submit-queue

Fix volume states out of sync problem after kubelet restarts

When kubelet restarts, all the information about the volumes will be
gone from actual/desired states. When update node status with mounted
volumes, the volume list might be empty although there are still volumes
are mounted and in turn causing master to detach those volumes since
they are not in the mounted volumes list. This fix is to make sure only
update mounted volumes list after reconciler starts sync states process.
This sync state process will scan the existing volume directories and
reconstruct actual states if they are missing.

This PR also fixes the problem during orphaned pods' directories. In
case of the pod directory is unmounted but has not yet deleted (e.g.,
interrupted with kubelet restarts), clean up routine will delete the
directory so that the pod directoriy could be cleaned up (it is safe to
delete directory since it is no longer mounted)

The third issue this PR fixes is that during reconstruct volume in
actual state, mounter could not be nil since it is required for creating
container.VolumeMap. If it is nil, it might cause nil pointer exception
in kubelet.
Detailed design proposal is #33203

Automatic merge from submit-queue

CRI: Add dockershim grpc server.

This PR adds a in-process grpc server for dockershim.

Flags change:
1. `container-runtime` will not be automatically set to remote when `container-runtime-endpoint` is set. @feiskyer 
2. set kubelet flag `--experimental-runtime-integration-type=remote --container-runtime-endpoint=UNIX_SOCKET_FILE_PATH` to enable the in-process dockershim grpc server.
3. set node e2e test flag `--runtime-integration-type=remote -container-runtime-endpoint=UNIX_SOCKET_FILE_PATH` to run node e2e test against in-process dockershim grpc server.

I've run node e2e test against the remote cri integration, tests which don't rely on stream and log functions can pass.

This unblocks the following work:
1) CRI conformance test.
2) Performance comparison between in-process integration and in-process grpc integration.

@yujuhong @feiskyer 
/cc @kubernetes/sig-node

Automatic merge from submit-queue

Adding rkt binary to GCI 

rkt is being used to support containerized storage plugins on GCI.

Automatic merge from submit-queue

Fixed mutation warning in Attach/Detach controller

Objects from shared informer must not be changed, they are shared among all
controllers.

```release-note
Fixed mutation warning in Attach/Detach controller
```

This fixes CacheMutationDetector panic with this output:

```
CACHE *api.Node[5] ALTERED!
{"metadata":{"name":"ip-172-18-8-71.ec2.internal","selfLink":"/api/v1/nodes/ip-172-18-8-71.ec2.internal","uid":"73d07d16-976e-11e6-8225-0e2f14b56070","resourceVersion":"136","creationTimestamp":"2016-10-21T09:12:12Z","labels":{"beta.kubernetes.io/arch":"amd64","beta.kubernetes.io/instance-type":"t2.medium","beta.kubernetes.io/os":"linux","failure-domain.beta.kubernetes.io/region":"us-east-1","failure-domain.beta.kubernetes.io/zone":"us-east-1d","kubernetes.io/hostname":"ip-172-18-8-71.ec2.internal"},"annotations":{"volumes.kubernetes.io/controller-managed-attach-detach":"true"}},"spec":{"externalID":"i-9cb6180f","providerID":"aws:///us-east-1d/i-9cb6180f"},"status":{"capacity":{"alpha.kubernetes.io/nvidia-gpu":"0","cpu":"2","memory":"4045568Ki","pods":"110"},"allocatable":{"alpha.kubernetes.io/nvidia-gpu":"0","cpu":"2","memory":"4045568Ki","pods":"110"},"conditions":[{"type":"OutOfDisk","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasSufficientDisk","message":"kubelet has sufficient disk space available"},{"type":"MemoryPressure","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasSufficientMemory","message":"kubelet has sufficient memory available"},{"type":"DiskPressure","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasNoDiskPressure","message":"kubelet has no disk pressure"},{"type":"InodePressure","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasNoInodePressure","message":"kubelet has no inode pressure"},{"type":"Ready","status":"True","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:22Z","reason":"KubeletReady","message":"kubelet is posting ready status"}],"addresses":[{"type":"InternalIP","address":"172.18.8.71"},{"type":"LegacyHostIP","address":"172.18.8.71"},{"type":"ExternalIP","address":"54.85.104.236"}],"daemonEndpoints":{"kubeletEndpoint":{"Port":10250}},"nodeInfo":{"machineID":"78a79498db8e4fdc9ac24b5e436a982c","systemUUID":"EC2BB406-5467-4ABE-B54D-D9993C45714F","bootID":"2553d6b8-1ddb-4ef0-902a-d09a807b89ba","kernelVersion":"4.6.7-300.fc24.x86_64","osImage":"Fedora 24 (Cloud Edition)","containerRuntimeVersion":"docker://1.10.3","kubeletVersion":"v1.5.0-alpha.1.726+5aac5eddb809e4","kubeProxyVersion":"v1.5.0-alpha.1.726+5aac5eddb809e4","operatingSystem":"linux","architecture":"amd64"},"images":[{"names":["openshift/origin-release:latest"],"sizeBytes":714569002},{"names":["openshift/origin-haproxy-router-base:latest"],"sizeBytes":294417608},{"names":["openshift/origin-base:latest"],"sizeBytes":275310761},{"names":["docker.io/centos@sha256:2ae0d2c881c7123870114fb9cc7afabd1e31f9888dac8286884f6cf59373ed9b","docker.io/centos:centos7"],"sizeBytes":196744353},{"names":["gcr.io/google_containers/busybox@sha256:4bdd623e848417d96127e16037743f0cd8b528c026e9175e22a84f639eca58ff","gcr.io/google_containers/busybox:1.24"],"sizeBytes":1113554},{"names":["gcr.io/google_containers/pause-amd64@sha256:163ac025575b775d1c0f9bf0bdd0f086883171eb475b5068e7defa4ca9e76516","gcr.io/google_containers/pause-amd64:3.0"],"sizeBytes":746888}],"volumesInUse":["kubernetes.io/aws-ebs/aws://us-east-1d/vol-f4bd0352"]

A: ,"volumesAttached":[{"name":"kubernetes.io/aws-ebs/aws://us-east-1d/vol-f4bd0352","devicePath":"/dev/xvdba"}]}}

B: }}
```

@saad-ali @jingxu97

Add jbeda to top level OWNERS

Automatic merge from submit-queue

Make hack/update_owners.py get list from local repo, add --check option.

This should become a verify step soon. The munger understands the * syntax already.

Automatic merge from submit-queue

test-images: server address is now configurable

This commit perform changes discussed in #32128
Should be merged before #35301

cc: @pskrzyns

Automatic merge from submit-queue

Use UI instead of DNS in Rescheduler e2e

fix #33289

Automatic merge from submit-queue

registry: use correct pdb client call in eviction rest

@mml @mwielgus

Automatic merge from submit-queue

Don't count failed pods as "not-ready"

Closes #35108 (I hope)

@wojtek-t @kubernetes/autoscaling

Signed-off-by: Vishnu kannan <vishnuk@google.com>

This is required for mounting storage volumes via containers.
Signed-off-by: Vishnu kannan <vishnuk@google.com>

Automatic merge from submit-queue

fixed problem with non masquerade cidr in kube-up gce/gci

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**What this PR does / why we need it**:
fixed typo in script which made setting custom cidr in gce using kube-up impossible

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

**Special notes for your reviewer**:

**Release note**:
<!--  Steps to write your release note:
1. Use the release-note-* labels to set the release note state (if you have access) 
2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`. 
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```release-note 
fixed typo in script which made setting custom cidr in gce using kube-up impossible
```

When kubelet restarts, all the information about the volumes will be
gone from actual/desired states. When update node status with mounted
volumes, the volume list might be empty although there are still volumes
are mounted and in turn causing master to detach those volumes since
they are not in the mounted volumes list. This fix is to make sure only
update mounted volumes list after reconciler starts sync states process.
This sync state process will scan the existing volume directories and
reconstruct actual states if they are missing.

This PR also fixes the problem during orphaned pods' directories. In
case of the pod directory is unmounted but has not yet deleted (e.g.,
interrupted with kubelet restarts), clean up routine will delete the
directory so that the pod directoriy could be cleaned up (it is safe to
delete directory since it is no longer mounted)

The third issue this PR fixes is that during reconstruct volume in
actual state, mounter could not be nil since it is required for creating
container.VolumeMap. If it is nil, it might cause nil pointer exception
in kubelet.

Details are in proposal PR #33203

Automatic merge from submit-queue

add genrule for hack/update-bindata.sh

Automatic merge from submit-queue

Fix remote build instructions

You actually need to forward ${KUBE_RSYNC_PORT} from the remote machine, see
https://github.com/kubernetes/kubernetes/blob/e3067f326fd2370c93f56b47326ab2a3a4e3699b/build-tools/common.sh#L618

Automatic merge from submit-queue

Adding a new docker container for performing mounts on GCI

cc @saad-ali @jingxu97 @mtaufen

Automatic merge from submit-queue

Pass --experimental-runtime-integration-type in local-up-cluster

why not?

Automatic merge from submit-queue

Fix addon-manager image build

Automatic merge from submit-queue

Fix some typos

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1. If this is your first time, read our contributor guidelines https://github.com/kubernetes/kubernetes/blob/master/CONTRIBUTING.md and developer guide https://github.com/kubernetes/kubernetes/blob/master/docs/devel/development.md
2. If you want *faster* PR reviews, read how: https://github.com/kubernetes/kubernetes/blob/master/docs/devel/faster_reviews.md
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**What this PR does / why we need it**: fixes a typo an its auto-generated repetitions.

**Release note**:
<!--  Steps to write your release note:
1. Use the release-note-* labels to set the release note state (if you have access) 
2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`. 
-->
```release-note
NONE
```

Automatic merge from submit-queue

dont fail if metrics arent working in density

fixes #35369

Automatic merge from submit-queue

Do not log stack trace for the error http.StatusBadRequest (400).

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**What this PR does / why we need it**:
This PR fixes an issue where stack trace is being logged in kubelet when the status http.StatusBadRequest occurs. 

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

**Special notes for your reviewer**:

**Release note**:
<!--  Steps to write your release note:
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2. Enter your extended release note in the below block; leaving it blank means using the PR title as the release note. If no release note is required, just write `NONE`. 
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```release-note
```

Automatic merge from submit-queue

Always run the podGC controller.

**What this PR does / why we need it**: The podGC controller has evolved to do more than just GC of terminated pods beyond a threshold number. It no longer makes sense to gate running it with the  `terminated-pod-gc-threshold` flag. [We still ensure that it only runs the terminatedPodsGC if the threshold specified in the argument to the controller manager is > 0](https://github.com/kubernetes/kubernetes/blob/6079053407705212c8cc3f039e8b767c6bccd0a0/pkg/controller/podgc/gc_controller.go#L124).

Related discussion: https://github.com/kubernetes/kubernetes/pull/34160#issuecomment-255900898

**Release note**:

```release-note
The podGC controller will now always run, irrespective of the value supplied to the "terminated-pod-gc-threshold" flag supplied to the controller manager. 
The specific behavior of the podGC controller to clean up terminated pods is still governed by the flag, but the podGC's responsibilities have evolved beyond just cleaning up terminated pods.
```

Automatic merge from submit-queue

Change default service IP range to 10.96/12

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

Currently kubeadm defaults to 10.12/12, which turns out to be the same as 10.0/12, which is not exactly obvious until one does CIDR math. The problem with this is that it clashes with some very commonly used ranges like 10.x/8 and 10.x/16.

I find that 10.96/12 would be a reasonable default. We have previously evaluate out-of-the-box configuration in most public clouds and found that 10.x/12 for x > 32 are not used by public cloud providers. Weave Net use 10.32/12, and thereby service IPs should be a range higher then this. Picking 10.96/12 should give user enough visual distinction between pod IPs and services IPs when Weave Net is used.

**Release note**:

```release-note
Change default `kubeadm` service IP range to `10.96.0.0/12`
```

Automatic merge from submit-queue

Make "Unschedulable" reason a constant in api

String "Unschedulable" is used in couple places in K8S:
* scheduler
* federation replicaset and deployment controllers
* cluster autoscaler
* rescheduler
This PR makes the string a part of API so it not changed.

cc: @davidopp @fgrzadkowski @wojtek-t

Revert "bootstrap: Start hostNetwork pods even if network plugin not ready"

Automatic merge from submit-queue

Update heapster for coreos configuration

Updated heapster in coreos configurations to the latest version

@piosz

Revert "Add a retry when reading a file content from a container"

Objects from shared informer must not be changed, they are shared among all
controllers.

This fixes CacheMutationDetector panic with this output:

CACHE *api.Node[5] ALTERED!
{"metadata":{"name":"ip-172-18-8-71.ec2.internal","selfLink":"/api/v1/nodes/ip-172-18-8-71.ec2.internal","uid":"73d07d16-976e-11e6-8225-0e2f14b56070","resourceVersion":"136","creationTimestamp":"2016-10-21T09:12:12Z","labels":{"beta.kubernetes.io/arch":"amd64","beta.kubernetes.io/instance-type":"t2.medium","beta.kubernetes.io/os":"linux","failure-domain.beta.kubernetes.io/region":"us-east-1","failure-domain.beta.kubernetes.io/zone":"us-east-1d","kubernetes.io/hostname":"ip-172-18-8-71.ec2.internal"},"annotations":{"volumes.kubernetes.io/controller-managed-attach-detach":"true"}},"spec":{"externalID":"i-9cb6180f","providerID":"aws:///us-east-1d/i-9cb6180f"},"status":{"capacity":{"alpha.kubernetes.io/nvidia-gpu":"0","cpu":"2","memory":"4045568Ki","pods":"110"},"allocatable":{"alpha.kubernetes.io/nvidia-gpu":"0","cpu":"2","memory":"4045568Ki","pods":"110"},"conditions":[{"type":"OutOfDisk","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasSufficientDisk","message":"kubelet has sufficient disk space available"},{"type":"MemoryPressure","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasSufficientMemory","message":"kubelet has sufficient memory available"},{"type":"DiskPressure","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasNoDiskPressure","message":"kubelet has no disk pressure"},{"type":"InodePressure","status":"False","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:12Z","reason":"KubeletHasNoInodePressure","message":"kubelet has no inode pressure"},{"type":"Ready","status":"True","lastHeartbeatTime":"2016-10-21T09:12:52Z","lastTransitionTime":"2016-10-21T09:12:22Z","reason":"KubeletReady","message":"kubelet is posting ready status"}],"addresses":[{"type":"InternalIP","address":"172.18.8.71"},{"type":"LegacyHostIP","address":"172.18.8.71"},{"type":"ExternalIP","address":"54.85.104.236"}],"daemonEndpoints":{"kubeletEndpoint":{"Port":10250}},"nodeInfo":{"machineID":"78a79498db8e4fdc9ac24b5e436a982c","systemUUID":"EC2BB406-5467-4ABE-B54D-D9993C45714F","bootID":"2553d6b8-1ddb-4ef0-902a-d09a807b89ba","kernelVersion":"4.6.7-300.fc24.x86_64","osImage":"Fedora 24 (Cloud Edition)","containerRuntimeVersion":"docker://1.10.3","kubeletVersion":"v1.5.0-alpha.1.726+5aac5eddb809e4","kubeProxyVersion":"v1.5.0-alpha.1.726+5aac5eddb809e4","operatingSystem":"linux","architecture":"amd64"},"images":[{"names":["openshift/origin-release:latest"],"sizeBytes":714569002},{"names":["openshift/origin-haproxy-router-base:latest"],"sizeBytes":294417608},{"names":["openshift/origin-base:latest"],"sizeBytes":275310761},{"names":["docker.io/centos@sha256:2ae0d2c881c7123870114fb9cc7afabd1e31f9888dac8286884f6cf59373ed9b","docker.io/centos:centos7"],"sizeBytes":196744353},{"names":["gcr.io/google_containers/busybox@sha256:4bdd623e848417d96127e16037743f0cd8b528c026e9175e22a84f639eca58ff","gcr.io/google_containers/busybox:1.24"],"sizeBytes":1113554},{"names":["gcr.io/google_containers/pause-amd64@sha256:163ac025575b775d1c0f9bf0bdd0f086883171eb475b5068e7defa4ca9e76516","gcr.io/google_containers/pause-amd64:3.0"],"sizeBytes":746888}],"volumesInUse":["kubernetes.io/aws-ebs/aws://us-east-1d/vol-f4bd0352"]

A: ,"volumesAttached":[{"name":"kubernetes.io/aws-ebs/aws://us-east-1d/vol-f4bd0352","devicePath":"/dev/xvdba"}]}}

B: }}