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Merge pull request #53747 from vmware/bulkverify_test
Automatic merge from submit-queue (batch tested with PRs 53747, 54528, 55279, 55251, 55311). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Adding e2e test to verify volume attach status after master kubelet restart

**What this PR does / why we need it**:
This PR adds test to verify volume remains attached after the kubelet is restarted on master node.

**Which issue this PR fixes** : 
fixes vmware#274

**Special notes for your reviewer**:
This test does not run as part of existing sig-storage test grid. It has been tested internally at VMware.
Test logs
```
root@k8s-dev-vm-01:~/shahzeb/k8s/kubernetes# go run hack/e2e.go --check-version-skew=false -v -test --test_args='--ginkgo.focus=Volume\sAttach\sVerify'
flag provided but not defined: -check-version-skew
Usage of /tmp/go-build395888807/command-line-arguments/_obj/exe/e2e:
  -get
    	go get -u kubetest if old or not installed (default true)
  -old duration
    	Consider kubetest old if it exceeds this (default 24h0m0s)
2017/10/11 12:14:05 e2e.go:55: NOTICE: go run hack/e2e.go is now a shim for test-infra/kubetest
2017/10/11 12:14:05 e2e.go:56:   Usage: go run hack/e2e.go [--get=true] [--old=24h0m0s] -- [KUBETEST_ARGS]
2017/10/11 12:14:05 e2e.go:57:   The separator is required to use --get or --old flags
2017/10/11 12:14:05 e2e.go:58:   The -- flag separator also suppresses this message
2017/10/11 12:14:05 e2e.go:151: The kubetest binary is older than 24h0m0s.
2017/10/11 12:14:05 e2e.go:156: Updating kubetest binary...
2017/10/11 12:14:13 e2e.go:77: Calling kubetest --check-version-skew=false -v -test --test_args=--ginkgo.focus=Volume\sAttach\sVerify...
2017/10/11 12:14:13 util.go:154: Running: ./cluster/kubectl.sh --match-server-version=false version
2017/10/11 12:14:13 util.go:156: Step './cluster/kubectl.sh --match-server-version=false version' finished in 493.364761ms
2017/10/11 12:14:13 util.go:154: Running: ./hack/e2e-internal/e2e-status.sh
Skeleton Provider: prepare-e2e not implemented
Client Version: version.Info{Major:"1", Minor:"6+", GitVersion:"v1.6.0-alpha.0.17307+d274c30f81d1c2", GitCommit:"d274c30f81d1c2d966dc950014ac90f8fad140f7", GitTreeState:"clean", BuildDate:"2017-10-11T18:57:31Z", GoVersion:"go1.8.3", Compiler:"gc", Platform:"linux/amd64"}
Server Version: version.Info{Major:"1", Minor:"6", GitVersion:"v1.6.5", GitCommit:"490c6f13df1cb6612e0993c4c14f2ff90f8cdbf3", GitTreeState:"clean", BuildDate:"2017-06-14T20:03:38Z", GoVersion:"go1.7.6", Compiler:"gc", Platform:"linux/amd64"}
2017/10/11 12:14:14 util.go:156: Step './hack/e2e-internal/e2e-status.sh' finished in 352.041653ms
2017/10/11 12:14:14 util.go:154: Running: ./hack/ginkgo-e2e.sh --ginkgo.focus=Volume\sAttach\sVerify
Conformance test: not doing test setup.
Oct 11 12:14:15.478: INFO: Overriding default scale value of zero to 1
Oct 11 12:14:15.478: INFO: Overriding default milliseconds value of zero to 5000
I1011 12:14:15.692022   29999 e2e.go:383] Starting e2e run "5f33ad5b-aeb8-11e7-9f17-0050569c27f6" on Ginkgo node 1
Running Suite: Kubernetes e2e suite
===================================
Random Seed: 1507749254 - Will randomize all specs
Will run 1 of 709 specs

Oct 11 12:14:15.744: INFO: >>> kubeConfig: /tmp/kube204.json
Oct 11 12:14:15.751: INFO: Waiting up to 4h0m0s for all (but 0) nodes to be schedulable
Oct 11 12:14:15.861: INFO: Waiting up to 10m0s for all pods (need at least 0) in namespace 'kube-system' to be running and ready
Oct 11 12:14:16.067: INFO: 4 / 4 pods in namespace 'kube-system' are running and ready (0 seconds elapsed)
Oct 11 12:14:16.067: INFO: expected 0 pod replicas in namespace 'kube-system', 0 are Running and Ready.
Oct 11 12:14:16.077: INFO: Waiting for pods to enter Success, but no pods in "kube-system" match label map[name:e2e-image-puller]
Oct 11 12:14:16.077: INFO: Dumping network health container logs from all nodes...
Oct 11 12:14:16.083: INFO: Client version: v1.6.0-alpha.0.17307+d274c30f81d1c2
Oct 11 12:14:16.086: INFO: Server version: v1.6.5
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
------------------------------
[sig-storage] Volume Attach Verify [Feature:vsphere]
  verify volume remains attached after master kubelet restart
  /go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/storage/vsphere_volume_master_restart.go:144
[BeforeEach] [sig-storage] Volume Attach Verify [Feature:vsphere]
  /go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/framework/framework.go:133
STEP: Creating a kubernetes client
Oct 11 12:14:16.087: INFO: >>> kubeConfig: /tmp/kube204.json
STEP: Building a namespace api object
STEP: Waiting for a default service account to be provisioned in namespace
[BeforeEach] [sig-storage] Volume Attach Verify [Feature:vsphere]
  /go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/storage/vsphere_volume_master_restart.go:81
Oct 11 12:14:16.265: INFO: Waiting up to 4h0m0s for all (but 0) nodes to be schedulable
[It] verify volume remains attached after master kubelet restart
  /go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/storage/vsphere_volume_master_restart.go:144
STEP: Creating a test vsphere volume 0
STEP: Creating pod 0 on node kubernetes-node1
STEP: Waiting for pod to be ready
STEP: Verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749256431387056.vmdk is attached to the pod kubernetes-node1
STEP: Creating a test vsphere volume 1
STEP: Creating pod 1 on node kubernetes-node2
STEP: Waiting for pod to be ready
STEP: Verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749281940603428.vmdk is attached to the pod kubernetes-node2
STEP: Creating a test vsphere volume 2
STEP: Creating pod 2 on node kubernetes-node3
STEP: Waiting for pod to be ready
STEP: Verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749305162880964.vmdk is attached to the pod kubernetes-node3
STEP: Creating a test vsphere volume 3
STEP: Creating pod 3 on node kubernetes-node4
STEP: Waiting for pod to be ready
STEP: Verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749330788801099.vmdk is attached to the pod kubernetes-node4
STEP: Restarting kubelet on master node
Oct 11 12:16:12.239: INFO: Restarting kubelet via ssh on host 10.192.113.70:22 with command systemctl restart kubelet
STEP: Verifying the kubelet on master node is up
Oct 11 12:16:13.318: INFO: ssh root@10.192.113.70:22: command:   curl http://localhost:10255/healthz
Oct 11 12:16:13.318: INFO: ssh root@10.192.113.70:22: stdout:    ""
Oct 11 12:16:13.318: INFO: ssh root@10.192.113.70:22: stderr:    "  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n                                 Dload  Upload   Total   Spent    Left  Speed\n\r  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0curl: (7) Failed to connect to localhost port 10255: Connection refused\n"
Oct 11 12:16:13.318: INFO: ssh root@10.192.113.70:22: exit code: 7
STEP: After master restart, verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749256431387056.vmdk is attached to the pod kubernetes-node1
STEP: Deleting pod on node kubernetes-node1
Oct 11 12:16:18.538: INFO: Deleting pod "vsphere-e2e-pwjr1" in namespace "e2e-tests-restart-master-j9x0f"
Oct 11 12:16:18.559: INFO: Wait up to 5m0s for pod "vsphere-e2e-pwjr1" to be fully deleted
STEP: Waiting for volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749256431387056.vmdk to be detached from the node kubernetes-node1
Oct 11 12:17:10.686: INFO: Volume "[vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749256431387056.vmdk" appears to have successfully detached from "kubernetes-node1".
STEP: Deleting volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749256431387056.vmdk
STEP: After master restart, verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749281940603428.vmdk is attached to the pod kubernetes-node2
STEP: Deleting pod on node kubernetes-node2
Oct 11 12:17:11.614: INFO: Deleting pod "vsphere-e2e-vqkbp" in namespace "e2e-tests-restart-master-j9x0f"
Oct 11 12:17:11.624: INFO: Wait up to 5m0s for pod "vsphere-e2e-vqkbp" to be fully deleted
STEP: Waiting for volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749281940603428.vmdk to be detached from the node kubernetes-node2
Oct 11 12:17:55.748: INFO: Volume "[vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749281940603428.vmdk" appears to have successfully detached from "kubernetes-node2".
STEP: Deleting volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749281940603428.vmdk
STEP: After master restart, verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749305162880964.vmdk is attached to the pod kubernetes-node3
STEP: Deleting pod on node kubernetes-node3
Oct 11 12:17:56.051: INFO: Deleting pod "vsphere-e2e-fkrzb" in namespace "e2e-tests-restart-master-j9x0f"
Oct 11 12:17:56.069: INFO: Wait up to 5m0s for pod "vsphere-e2e-fkrzb" to be fully deleted
STEP: Waiting for volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749305162880964.vmdk to be detached from the node kubernetes-node3
Oct 11 12:18:38.199: INFO: Volume "[vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749305162880964.vmdk" appears to have successfully detached from "kubernetes-node3".
STEP: Deleting volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749305162880964.vmdk
STEP: After master restart, verify volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749330788801099.vmdk is attached to the pod kubernetes-node4
STEP: Deleting pod on node kubernetes-node4
Oct 11 12:18:38.541: INFO: Deleting pod "vsphere-e2e-4cb0d" in namespace "e2e-tests-restart-master-j9x0f"
Oct 11 12:18:38.556: INFO: Wait up to 5m0s for pod "vsphere-e2e-4cb0d" to be fully deleted
STEP: Waiting for volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749330788801099.vmdk to be detached from the node kubernetes-node4
Oct 11 12:19:22.672: INFO: Volume "[vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749330788801099.vmdk" appears to have successfully detached from "kubernetes-node4".
STEP: Deleting volume [vsanDatastore] 8c95d659-46fa-b9a6-5e19-02002f28e688/e2e-vmdk-1507749330788801099.vmdk
[AfterEach] [sig-storage] Volume Attach Verify [Feature:vsphere]
  /go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/framework/framework.go:134
Oct 11 12:19:23.460: INFO: Waiting up to 3m0s for all (but 0) nodes to be ready
STEP: Destroying namespace "e2e-tests-restart-master-j9x0f" for this suite.
Oct 11 12:19:29.544: INFO: namespace: e2e-tests-restart-master-j9x0f, resource: bindings, ignored listing per whitelist
Oct 11 12:19:29.622: INFO: namespace e2e-tests-restart-master-j9x0f deletion completed in 6.156220683s

• [SLOW TEST:313.535 seconds]
[sig-storage] Volume Attach Verify [Feature:vsphere]
/go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/storage/framework.go:22
  verify volume remains attached after master kubelet restart
  /go/src/k8s.io/kubernetes/_output/dockerized/go/src/k8s.io/kubernetes/test/e2e/storage/vsphere_volume_master_restart.go:144
------------------------------
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSOct 11 12:19:29.666: INFO: Running AfterSuite actions on all node
Oct 11 12:19:29.666: INFO: Running AfterSuite actions on node 1

Ran 1 of 709 Specs in 313.923 seconds
SUCCESS! -- 1 Passed | 0 Failed | 0 Pending | 708 Skipped PASS

```

Internally reviewed by VMware reviewers @divyenpatel @BaluDontu @tusharnt

**Release note**:
```
None
```
2017-11-08 19:31:03 -08:00
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README.md

Kubernetes

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Kubernetes is an open source system for managing containerized applications across multiple hosts, providing basic mechanisms for deployment, maintenance, and scaling of applications.

Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.

Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.


To start using Kubernetes

See our documentation on kubernetes.io.

Try our interactive tutorial.

Take a free course on Scalable Microservices with Kubernetes.

To start developing Kubernetes

The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.

If you want to build Kubernetes right away there are two options:

You have a working Go environment.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
You have a working Docker environment.
$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release

If you are less impatient, head over to the developer's documentation.

Support

If you need support, start with the troubleshooting guide and work your way through the process that we've outlined.

That said, if you have questions, reach out to us one way or another.

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