"k8s.io/kubernetes/pkg/controller"
	controllervolumetesting "k8s.io/kubernetes/pkg/controller/volume/attachdetach/testing"
	"k8s.io/kubernetes/pkg/volume"
	"k8s.io/kubernetes/pkg/volume/csimigration"
	"k8s.io/kubernetes/pkg/volume/util"
	"k8s.io/kubernetes/pkg/volume/util/operationexecutor"
	volumetypes "k8s.io/kubernetes/pkg/volume/util/types"
	"k8s.io/kubernetes/test/utils/ktesting"
)

func TestSyncHandler(t *testing.T) {

        sidecar.istio.io/userVolume: '{"user-volume-1":{"persistentVolumeClaim":{"claimName":"pvc-claim"}},"user-volume-2":{"configMap":{"name":"configmap-volume","items":[{"key":"some-key","path":"/some-path"}]}}}'

		{
			name:     "pvc-resize, update, no error",
			resource: api.SchemeGroupVersion.WithResource("persistentvolumeclaims"),
			oldObj: &api.PersistentVolumeClaim{
				Spec: api.PersistentVolumeClaimSpec{
					VolumeName: "volume1",
					Resources: api.VolumeResourceRequirements{
						Requests: getResourceList("1Gi"),
					},
					StorageClassName: &goldClassName,
				},
				Status: api.PersistentVolumeClaimStatus{

			AccessModes: modes,
		},
	}

	objs, err := pvIndex.store.Index("accessmodes", pv)
	if err != nil {
		return nil, err
	}

	volumes := make([]*v1.PersistentVolume, len(objs))
	for i, obj := range objs {
		volumes[i] = obj.(*v1.PersistentVolume)
	}

	return volumes, nil
}

// find returns the nearest PV from the ordered list or nil if a match is not found

# RBAC file for the volume snapshot controller.
apiVersion: v1
kind: ServiceAccount
metadata:
  name: volume-snapshot-controller
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1
metadata:
  # rename if there are conflicts
  name: volume-snapshot-controller-runner
  namespace: kube-system
  labels:

	AzureVolumeLimitKey = "attachable-volumes-azure-disk"
	// GCEVolumeLimitKey stores resource name that will store volume limits for GCE node
	GCEVolumeLimitKey = "attachable-volumes-gce-pd"

	// CinderVolumeLimitKey contains Volume limit key for Cinder
	CinderVolumeLimitKey = "attachable-volumes-cinder"
	// DefaultMaxCinderVolumes defines the maximum number of PD Volumes for Cinder

				podDir := kubelet.getPodDir("pod1uid")
				return os.MkdirAll(filepath.Join(podDir, "volumes/plugin/name"), 0750)
			},
			validateFunc: func(kubelet *Kubelet) error {
				podDir := kubelet.getPodDir("pod1uid")
				return validateDirExists(filepath.Join(podDir, "volumes/plugin/name"))
			},
		},
		"pod-doesnot-exist-with-volume": {
			prepareFunc: func(kubelet *Kubelet) error {
				podDir := kubelet.getPodDir("pod1uid")

			return v.GetMetrics()
		}()
		if err != nil {
			// Expected for Volumes that don't support Metrics
			if !volume.IsNotSupported(err) {
				klog.V(4).InfoS("Failed to calculate volume metrics", "pod", klog.KObj(s.pod), "podUID", s.pod.UID, "volumeName", name, "err", err)
			}
			continue
		}
		// Lookup the volume spec and add a 'PVCReference' for volumes that reference a PVC
		volSpec := volumesSpec[name]

		return "", ErrorWatchTimeout
	}
}

// Fake volume/metrics provider
var _ volume.Volume = &fakeVolume{}

type fakeVolume struct{}

func (v *fakeVolume) GetPath() string { return "" }

func (v *fakeVolume) GetMetrics() (*volume.Metrics, error) {
	return expectedMetrics(), nil
}

func expectedMetrics() *volume.Metrics {
	vMetrics := &volume.Metrics{

}

func (pb podBuilder) withEmptyDirVolume() podBuilder {
	pb.Pod.Spec.Volumes = append(pb.Pod.Spec.Volumes, v1.Volume{
		VolumeSource: v1.VolumeSource{
			EmptyDir: &v1.EmptyDirVolumeSource{},
		},
	})
	return pb
}

func (pb podBuilder) withGenericEphemeralVolume(name string) podBuilder {
	pb.Pod.Spec.Volumes = append(pb.Pod.Spec.Volumes, v1.Volume{
		Name: name,
		VolumeSource: v1.VolumeSource{