default:
			err = appendError(err, err2)
		}
	}
	return err
}

// ValidateDuration checks that a proto duration is well-formed
func ValidateDuration(pd *durationpb.Duration) error {
	dur := pd.AsDuration()
	if dur < time.Millisecond {
		return errors.New("duration must be greater than 1ms")
	}
	if dur%time.Millisecond != 0 {

// are already mounted. If there is already a volume mounted on that node, another pod that uses the same volume
// can't be scheduled there.
// This is GCE, Amazon EBS, ISCSI and Ceph RBD specific for now:
// - GCE PD allows multiple mounts as long as they're all read-only
// - AWS EBS forbids any two pods mounting the same volume ID
// - Ceph RBD forbids if any two pods share at least same monitor, and match pool and image, and the image is read-only

1kiy1jCJJDnAcCTykpKkuQ6p/jN6FgmxlNduXawwAzaGH+V6jn/R/wCt71zdn+N/qL3kVYFNYB4N
ji6PDVjWpKp9TSXnvTf8bFNjg3qOEa2n6VlLpj/rT/pf567DpX1i6L1hs9Py67X8mqdtg/rUWbbf
+gkp0kkkklKSSSSUpJJJJT//0PVUkkklKVLq3WMDpGI7KzrNjADtYNXvI/Mqr/Pd/q9W3vaxjnvM
NaCXE9gNSvGPrf8AWS3qmba5jjsJhoB0DAf0NDf6sevf+/lf8Hj0JJATfWT6/dV6oXU1uOLQeKKn
EQP+Hubtfe/+R7Mf/g7f5xcocp++Z11JMCJPgFBxOg7/AOuqDx8I/ikpkXkmSdU8mJIJA/O8EMAy

00000190  c1 35 9b 8c ec c6 d2 d7  f9 02 36 90 24 f4 3a 70  |.5........6.$.:p|
000001a0  ce bb 8d bb 4b b2 aa 64  f0 b5 c0 88 cc 06 e3 9c  |....K..d........|
000001b0  f7 70 64 fd 5d 48 f5 c8  07 48 c2 09 c4 07 56 b9  |.pd.]H...H....V.|
000001c0  86 e9 d6 7b dc ac a5 00  2c 1d 80 8f 47 f2 c4 c7  |...{....,...G...|
000001d0  ab dc 7b 41 7b 3d 47 db  09 12 02 9f 1b 63 e7 cc  |..{A{=G......c..|

        }
        2.times {
            fails 'a', '-Pa.broken'
            result.assertTasksExecutedInOrder ':a', ':d', ':b', ':c'
        }
        2.times {
            fails 'a', '-Pd.broken'
            result.assertTasksExecutedInOrder ':a', ':d'
        }
        2.times {
            fails 'a', '-Pb.broken'
            result.assertTasksExecutedInOrder ':a', ':d', ':b', ':c'
        }

00000150  40 63 6a 53 b9 41 5f 4f  8e 05 e7 31 7b 08 d0 67  |@cjS.A_O...1{..g|
00000160  8e bf 56 c4 56 0a 82 b2  74 6a 89 dd b4 f7 3c 0b  |..V.V...tj....<.|
00000170  3c fd 21 1f 00 72 1d 4f  be b1 50 44 9a 14 67 7d  |<.!..r.O..PD..g}|
00000180  a9 93 30 a2 4e ea 61 c9  fd 44 de 5c 88 36 59 a2  |..0.N.a..D.\.6Y.|
00000190  e3 63 b1 9c ea dd 47 0a  ca 63 9e 50 9d ca 57 12  |.c....G..c.P..W.|

  get-kubeconfig-basicauth
  get-kubeconfig-bearertoken

  detect-master
  parse-master-env
  upgrade-master-env

  # Delete the master instance. Note that the master-pd is created
  # with auto-delete=no, so it should not be deleted.
  gcloud compute instances delete \
    --project "${PROJECT}" \
    --quiet \
    --zone "${ZONE}" \
    "${MASTER_NAME}"

	// MountsInGlobalPDPath is name of the directory appended to a volume plugin
	// name to create the place for volume mounts in the global PD path.
	MountsInGlobalPDPath = "mounts"

	// VolumeGidAnnotationKey is the of the annotation on the PersistentVolume
	// object that specifies a supplemental GID.
	VolumeGidAnnotationKey = "pv.beta.kubernetes.io/gid"

	metav1.TypeMeta
	// +optional
	metav1.ObjectMeta

	// provisioner is the driver expected to handle this StorageClass.
	// This is an optionally-prefixed name, like a label key.
	// For example: "kubernetes.io/gce-pd" or "kubernetes.io/aws-ebs".
	// This value may not be empty.
	Provisioner string

	// parameters holds parameters for the provisioner.
	// These values are opaque to the  system and are passed directly

	//
	// Disables the Azure File in-tree driver.
	InTreePluginAzureFileUnregister featuregate.Feature = "InTreePluginAzureFileUnregister"

	// owner: @Jiawei0227
	// alpha: v1.21
	//
	// Disables the GCE PD in-tree driver.
	InTreePluginGCEUnregister featuregate.Feature = "InTreePluginGCEUnregister"

	// owner: @adisky
	// alpha: v1.21
	//
	// Disables the OpenStack Cinder in-tree driver.