See the License for the specific language governing permissions and
limitations under the License.
*/

package volume

var _ MetricsProvider = &MetricsNil{}

// MetricsNil represents a MetricsProvider that does not support returning
// Metrics.  It serves as a placeholder for Volumes that do not yet support
// metrics.
type MetricsNil struct{}

// SupportsMetrics returns false for the MetricsNil type.

		"The period for syncing persistent volumes and persistent volume claims")
	fs.StringVar(&o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathNFS,
		"pv-recycler-pod-template-filepath-nfs", o.VolumeConfigFlags.PersistentVolumeRecyclerPodTemplateFilePathNFS,
		"The file path to a pod definition used as a template for NFS persistent volume recycling")

type secretPlugin struct {
	host      volume.VolumeHost
	getSecret func(namespace, name string) (*v1.Secret, error)
}

var _ volume.VolumePlugin = &secretPlugin{}

func wrappedVolumeSpec() volume.Spec {
	return volume.Spec{
		Volume: &v1.Volume{VolumeSource: v1.VolumeSource{EmptyDir: &v1.EmptyDirVolumeSource{Medium: v1.StorageMediumMemory}}},
	}
}

func getPath(uid types.UID, volName string, host volume.VolumeHost) string {

          - --minClusterSize={{ metrics_server_min_cluster_size }}
          # Use kube-apiserver metrics to avoid periodically listing nodes.
          - --use-metrics=true
      volumes:
      - name: metrics-server-config-volume
        configMap:
          name: metrics-server-config
      - emptyDir: {}
        name: tmp-dir
      tolerations:
        - key: "CriticalAddonsOnly"

        ports:
        - containerPort: 8080
        - containerPort: 8081
        - containerPort: 6070
        volumeMounts:
        - name: config-volume
          mountPath: /data/ratelimit/config
      volumes:
      - name: config-volume
        configMap:

        effect: "NoExecute"
      - operator: "Exists"
        effect: "NoSchedule"
      volumes:
      - name: varlog
        hostPath:
          path: /var/log
      - name: varlibdockercontainers
        hostPath:
          path: /var/lib/docker/containers
      - name: config-volume
        configMap:

const (
	etcdPod = `apiVersion: v1
kind: Pod
metadata:
spec:
  volumes:
  - hostPath:
      path: /path/to/etcd
      type: DirectoryOrCreate
    name: etcd-data
  - hostPath:
      path: /etc/kubernetes/pki/etcd
      type: DirectoryOrCreate
    name: etcd-certs`

	etcdPodWithoutDataVolume = `apiVersion: v1
kind: Pod
metadata:
spec:
  volumes:
  - hostPath:
      path: /etc/kubernetes/pki/etcd

	if newSize.Cmp(oldSize) <= 0 {
		return nil
	}

	if oldPvc.Status.Phase != api.ClaimBound {
		return admission.NewForbidden(a, fmt.Errorf("Only bound persistent volume claims can be expanded"))
	}

	// Growing Persistent volumes is only allowed for PVCs for which their StorageClass
	// explicitly allows it
	if !pvcr.allowResize(pvc, oldPvc) {

---
kind: StatefulSet
apiVersion: apps/v1
metadata:
  name: volume-snapshot-controller
  namespace: kube-system
  labels:
    addonmanager.kubernetes.io/mode: Reconcile
spec:
  serviceName: "volume-snapshot-controller"
  replicas: 1
  selector:
    matchLabels:
      app: volume-snapshot-controller
  template:
    metadata:
      labels:
        app: volume-snapshot-controller

          capabilities:
            add:
            - NET_BIND_SERVICE
            drop:
            - ALL
          readOnlyRootFilesystem: true
      dnsPolicy: Default
      volumes:
        - name: config-volume
          configMap:
            name: coredns
            items:
            - key: Corefile
              path: Corefile
---
apiVersion: v1
kind: Service
metadata: