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
```