Address comments and re generate code

client/apis/volumegroupsnapshot/v1alpha1/types.go

@@ -32,7 +32,8 @@ type VolumeGroupSnapshotSpec struct {
 	// is created, the existing group snapshots won't be modified.
 	// Once a VolumeGroupSnapshotContent is created and the sidecar starts to process
 	// it, the volume list will not change with retries.
-	Selector *metav1.LabelSelector `json:"selector" protobuf:"bytes,1,opt,name=selector"`
+	// Required.
+	Selector metav1.LabelSelector `json:"selector" protobuf:"bytes,1,opt,name=selector"`
 
 	// VolumeGroupSnapshotClassName is the name of the VolumeGroupSnapshotClass
 	// requested by the VolumeGroupSnapshot.
@@ -65,7 +66,11 @@ type VolumeGroupSnapshotStatus struct {
 
 	// ReadyToUse indicates if all the individual snapshots in the group are ready
 	// to be used to restore a volume.
+	// ReadyToUse becomes true when ReadyToUse of all individual snapshots become true.
 	// If not specified, it means the readiness of a group snapshot is unknown.
+	// The format of this field is a Unix nanoseconds time encoded as an int64.
+	// On Unix, the command date +%s%N returns the current time in nanoseconds
+	// since 1970-01-01 00:00:00 UTC.
 	// +optional
 	ReadyToUse *bool `json:"readyToUse,omitempty" protobuf:"varint,3,opt,name=readyToUse"`
 
@@ -86,41 +91,57 @@ type VolumeGroupSnapshotStatus struct {
 }
 
 //+genclient
-//+k8s:deepcopy-gen=true
 //+k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-//+kubebuilder:resource:scope=Namespaced,shortName=vgs
-//+kubebuilder:subresource:status
 
 // VolumeGroupSnapshot is a user's request for creating either a point-in-time
 // group snapshot or binding to a pre-existing group snapshot.
 // +kubebuilder:object:root=true
+// +kubebuilder:resource:scope=Namespaced,shortName=vgs
 // +kubebuilder:subresource:status
 type VolumeGroupSnapshot struct {
-	metav1.TypeMeta   `json:",inline"`
+	metav1.TypeMeta `json:",inline"`
+	// Standard object's metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 
-	Spec   VolumeGroupSnapshotSpec   `json:"spec" protobuf:"bytes,2,opt,name=spec"`
+	// Spec defines the desired characteristics of a group snapshot requested by a user.
-	Status VolumeGroupSnapshotStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
+	// Required.
+	Spec VolumeGroupSnapshotSpec `json:"spec" protobuf:"bytes,2,opt,name=spec"`
+	// Status represents the current information of a group snapshot.
+	// Consumers must verify binding between VolumeGroupSnapshot and
+	// VolumeGroupSnapshotContent objects is successful (by validating that both
+	// VolumeGroupSnapshot and VolumeGroupSnapshotContent point to each other) before
+	// using this object.
+	// +optional
+	Status *VolumeGroupSnapshotStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
-// VolumeGroupSnapshotList contains a list of VolumeGroupSnapshot
+// VolumeGroupSnapshotList contains a list of VolumeGroupSnapshot objects.
 type VolumeGroupSnapshotList struct {
 	metav1.TypeMeta `json:",inline"`
-	metav1.ListMeta `json:"metadata,omitempty"`
+	// +optional
-	Items           []VolumeGroupSnapshot `json:"items"`
+	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+	// Items is the list of VolumeGroupSnapshots.
+	Items []VolumeGroupSnapshot `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
 //+genclient
 //+genclient:nonNamespaced
 //+k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
 
-// VolumeGroupSnapshotClass is the Schema for the volumegroupsnapshotclass API
+// VolumeGroupSnapshotClass specifies parameters that a underlying storage system
+// uses when creating a volume group snapshot. A specific VolumeGroupSnapshotClass
+// is used by specifying its name in a VolumeGroupSnapshot object.
+// VolumeGroupSnapshotClasses are non-namespaced.
 // +kubebuilder:object:root=true
-// +kubebuilder:subresource:status
+// +kubebuilder:resource:scope=Cluster,shortName=vgsclass;vgsclasses
-// +kubebuilder:resource:scope=Cluster,shortName=vsgclass;vsgclasses
 type VolumeGroupSnapshotClass struct {
-	metav1.TypeMeta   `json:",inline"`
+	metav1.TypeMeta `json:",inline"`
+	// Standard object's metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 
 	// Driver is the name of the storage driver expected to handle this VolumeGroupSnapshotClass.
@@ -129,8 +150,7 @@ type VolumeGroupSnapshotClass struct {
 
 	// Parameters is a key-value map with storage driver specific parameters for
 	// creating group snapshots.
-	// These values are opaque to the system and are passed directly
+	// These values are opaque to Kubernetes and are passed directly to the driver.
-	// to the driver.
 	// +optional
 	Parameters map[string]string `json:"parameters,omitempty" protobuf:"bytes,3,rep,name=parameters"`
 
@@ -138,8 +158,12 @@ type VolumeGroupSnapshotClass struct {
 	// through the VolumeGroupSnapshotClass should be deleted when its bound
 	// VolumeGroupSnapshot is deleted.
 	// Supported values are "Retain" and "Delete".
+	// "Retain" means that the VolumeGroupSnapshotContent and its physical group
+	// snapshot on underlying storage system are kept.
+	// "Delete" means that the VolumeGroupSnapshotContent and its physical group
+	// snapshot on underlying storage system are deleted.
 	// Required.
-	DeletionPolicy *snapshotv1.DeletionPolicy `json:"deletionPolicy" protobuf:"bytes,4,opt,name=deletionPolicy"`
+	DeletionPolicy snapshotv1.DeletionPolicy `json:"deletionPolicy" protobuf:"bytes,4,opt,name=deletionPolicy"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -148,9 +172,12 @@ type VolumeGroupSnapshotClass struct {
 // +kubebuilder:object:root=true
 type VolumeGroupSnapshotClassList struct {
 	metav1.TypeMeta `json:",inline"`
+	// Standard list metadata
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 
-	// Items is the list of VolumeGroupSnapshotClass
+	// Items is the list of VolumeGroupSnapshotClasses.
 	Items []VolumeGroupSnapshotClass `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
@@ -161,14 +188,21 @@ type VolumeGroupSnapshotClassList struct {
 // VolumeGroupSnapshotContent represents the actual "on-disk" group snapshot object
 // in the underlying storage system
 // +kubebuilder:object:root=true
-// +kubebuilder:resource:scope=Cluster,shortName=vsc;vgscs
+// +kubebuilder:resource:scope=Cluster,shortName=vgsc;vgscs
 // +kubebuilder:subresource:status
 type VolumeGroupSnapshotContent struct {
-	metav1.TypeMeta   `json:",inline"`
+	metav1.TypeMeta `json:",inline"`
+	// Standard list metadata
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
+	// +optional
 	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 
-	Spec   VolumeGroupSnapshotContentSpec   `json:"spec" protobuf:"bytes,2,opt,name=spec"`
+	// Spec defines properties of a VolumeGroupSnapshotContent created by the underlying storage system.
-	Status VolumeGroupSnapshotContentStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
+	// Required.
+	Spec VolumeGroupSnapshotContentSpec `json:"spec" protobuf:"bytes,2,opt,name=spec"`
+	// status represents the current information of a group snapshot.
+	// +optional
+	Status *VolumeGroupSnapshotContentStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
 }
 
 // +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
@@ -177,10 +211,12 @@ type VolumeGroupSnapshotContent struct {
 // +kubebuilder:object:root=true
 type VolumeGroupSnapshotContentList struct {
 	metav1.TypeMeta `json:",inline"`
+	// Standard list metadata
+	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
 	// +optional
 	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
 
-	// items is the list of VolumeGroupSnapshotContent
+	// Items is the list of VolumeGroupSnapshotContents.
 	Items []VolumeGroupSnapshotContent `json:"items" protobuf:"bytes,2,rep,name=items"`
 }
 
@@ -197,9 +233,13 @@ type VolumeGroupSnapshotContentSpec struct {
 	VolumeGroupSnapshotRef core_v1.ObjectReference `json:"volumeGroupSnapshotRef" protobuf:"bytes,1,opt,name=volumeGroupSnapshotRef"`
 
 	// DeletionPolicy determines whether this VolumeGroupSnapshotContent and the
-	// physical snapshots on the underlying storage system should be deleted when
+	// physical group snapshot on the underlying storage system should be deleted
-	// the bound VolumeGroupSnapshot is deleted.
+	// when the bound VolumeGroupSnapshot is deleted.
 	// Supported values are "Retain" and "Delete".
+	// "Retain" means that the VolumeGroupSnapshotContent and its physical group
+	// snapshot on underlying storage system are kept.
+	// "Delete" means that the VolumeGroupSnapshotContent and its physical group
+	// snapshot on underlying storage system are deleted.
 	// For dynamically provisioned group snapshots, this field will automatically
 	// be filled in by the CSI snapshotter sidecar with the "DeletionPolicy" field
 	// defined in the corresponding VolumeGroupSnapshotClass.
@@ -249,7 +289,11 @@ type VolumeGroupSnapshotContentStatus struct {
 
 	// ReadyToUse indicates if all the individual snapshots in the group are ready to be
 	// used to restore a volume.
+	// ReadyToUse becomes true when ReadyToUse of all individual snapshots become true.
 	// If not specified, it means the readiness of a group snapshot is unknown.
+	// The format of this field is a Unix nanoseconds time encoded as an int64.
+	// On Unix, the command date +%s%N returns the current time in nanoseconds
+	// since 1970-01-01 00:00:00 UTC.
 	// +optional
 	ReadyToUse *bool `json:"readyToUse,omitempty" protobuf:"varint,3,opt,name=readyToUse"`
 
@@ -270,13 +314,13 @@ type VolumeGroupSnapshotContentStatus struct {
 // Members in VolumeGroupSnapshotContentSource are immutable.
 type VolumeGroupSnapshotContentSource struct {
 	// PersistentVolumeNames is a list of names of PersistentVolumes to be snapshotted
-	// together. Signifies dynamic provisioning of the VolumeGroupSnapshot.
+	// together. It is specified for dynamic provisioning of the VolumeGroupSnapshot.
 	// This field is immutable.
 	// +optional
 	PersistentVolumeNames []string `json:"persistentVolumeNames,omitempty" protobuf:"bytes,1,opt,name=persistentVolumeNames"`
 
-	// VolumeGroupSnapshotHandle specifies the CSI "snapshot_id" of a pre-existing
+	// VolumeGroupSnapshotHandle specifies the CSI "group_snapshot_id" of a pre-existing
-	// snapshot on the underlying storage system for which a Kubernetes object
+	// group snapshot on the underlying storage system for which a Kubernetes object
 	// representation was (or should be) created.
 	// This field is immutable.
 	// +optional

client/apis/volumegroupsnapshot/v1alpha1/zz_generated.deepcopy.go

@@ -24,7 +24,6 @@ package v1alpha1
 import (
 	v1 "github.com/kubernetes-csi/external-snapshotter/client/v6/apis/volumesnapshot/v1"
 	corev1 "k8s.io/api/core/v1"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	runtime "k8s.io/apimachinery/pkg/runtime"
 )
 
@@ -34,7 +33,11 @@ func (in *VolumeGroupSnapshot) DeepCopyInto(out *VolumeGroupSnapshot) {
 	out.TypeMeta = in.TypeMeta
 	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
 	in.Spec.DeepCopyInto(&out.Spec)
-	in.Status.DeepCopyInto(&out.Status)
+	if in.Status != nil {
+		in, out := &in.Status, &out.Status
+		*out = new(VolumeGroupSnapshotStatus)
+		(*in).DeepCopyInto(*out)
+	}
 	return
 }
 
@@ -68,11 +71,6 @@ func (in *VolumeGroupSnapshotClass) DeepCopyInto(out *VolumeGroupSnapshotClass)
 			(*out)[key] = val
 		}
 	}
-	if in.DeletionPolicy != nil {
-		in, out := &in.DeletionPolicy, &out.DeletionPolicy
-		*out = new(v1.DeletionPolicy)
-		**out = **in
-	}
 	return
 }
 
@@ -133,7 +131,11 @@ func (in *VolumeGroupSnapshotContent) DeepCopyInto(out *VolumeGroupSnapshotConte
 	out.TypeMeta = in.TypeMeta
 	in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
 	in.Spec.DeepCopyInto(&out.Spec)
-	in.Status.DeepCopyInto(&out.Status)
+	if in.Status != nil {
+		in, out := &in.Status, &out.Status
+		*out = new(VolumeGroupSnapshotContentStatus)
+		(*in).DeepCopyInto(*out)
+	}
 	return
 }
 
@@ -314,11 +316,7 @@ func (in *VolumeGroupSnapshotList) DeepCopyObject() runtime.Object {
 // DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
 func (in *VolumeGroupSnapshotSpec) DeepCopyInto(out *VolumeGroupSnapshotSpec) {
 	*out = *in
-	if in.Selector != nil {
+	in.Selector.DeepCopyInto(&out.Selector)
-		in, out := &in.Selector, &out.Selector
-		*out = new(metav1.LabelSelector)
-		(*in).DeepCopyInto(*out)
-	}
 	if in.VolumeGroupSnapshotClassName != nil {
 		in, out := &in.VolumeGroupSnapshotClassName, &out.VolumeGroupSnapshotClassName
 		*out = new(string)

client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshotclasses.yaml

@@ -14,16 +14,18 @@ spec:
     listKind: VolumeGroupSnapshotClassList
     plural: volumegroupsnapshotclasses
     shortNames:
-    - vsgclass
+    - vgsclass
-    - vsgclasses
+    - vgsclasses
     singular: volumegroupsnapshotclass
   scope: Cluster
   versions:
   - name: v1alpha1
     schema:
       openAPIV3Schema:
-        description: VolumeGroupSnapshotClass is the Schema for the volumegroupsnapshotclass
+        description: VolumeGroupSnapshotClass specifies parameters that a underlying
-          API
+          storage system uses when creating a volume group snapshot. A specific VolumeGroupSnapshotClass
+          is used by specifying its name in a VolumeGroupSnapshot object. VolumeGroupSnapshotClasses
+          are non-namespaced.
         properties:
           apiVersion:
             description: 'APIVersion defines the versioned schema of this representation
@@ -34,7 +36,10 @@ spec:
             description: DeletionPolicy determines whether a VolumeGroupSnapshotContent
               created through the VolumeGroupSnapshotClass should be deleted when
               its bound VolumeGroupSnapshot is deleted. Supported values are "Retain"
-              and "Delete". Required.
+              and "Delete". "Retain" means that the VolumeGroupSnapshotContent and
+              its physical group snapshot on underlying storage system are kept. "Delete"
+              means that the VolumeGroupSnapshotContent and its physical group snapshot
+              on underlying storage system are deleted. Required.
             enum:
             - Delete
             - Retain
@@ -53,7 +58,7 @@ spec:
               type: string
             description: Parameters is a key-value map with storage driver specific
               parameters for creating group snapshots. These values are opaque to
-              the system and are passed directly to the driver.
+              Kubernetes and are passed directly to the driver.
             type: object
         required:
         - deletionPolicy
@@ -61,5 +66,3 @@ spec:
         type: object
     served: true
     storage: true
-    subresources:
-      status: {}

client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshotcontents.yaml

@@ -14,7 +14,7 @@ spec:
     listKind: VolumeGroupSnapshotContentList
     plural: volumegroupsnapshotcontents
     shortNames:
-    - vsc
+    - vgsc
     - vgscs
     singular: volumegroupsnapshotcontent
   scope: Cluster
@@ -36,19 +36,22 @@ spec:
               submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
             type: string
           spec:
-            description: VolumeGroupSnapshotContentSpec describes the common attributes
+            description: Spec defines properties of a VolumeGroupSnapshotContent created
-              of a group snapshot content
+              by the underlying storage system. Required.
             properties:
               deletionPolicy:
                 description: DeletionPolicy determines whether this VolumeGroupSnapshotContent
-                  and the physical snapshots on the underlying storage system should
+                  and the physical group snapshot on the underlying storage system
-                  be deleted when the bound VolumeGroupSnapshot is deleted. Supported
+                  should be deleted when the bound VolumeGroupSnapshot is deleted.
-                  values are "Retain" and "Delete". For dynamically provisioned group
+                  Supported values are "Retain" and "Delete". "Retain" means that
-                  snapshots, this field will automatically be filled in by the CSI
+                  the VolumeGroupSnapshotContent and its physical group snapshot on
-                  snapshotter sidecar with the "DeletionPolicy" field defined in the
+                  underlying storage system are kept. "Delete" means that the VolumeGroupSnapshotContent
-                  corresponding VolumeGroupSnapshotClass. For pre-existing snapshots,
+                  and its physical group snapshot on underlying storage system are
-                  users MUST specify this field when creating the VolumeGroupSnapshotContent
+                  deleted. For dynamically provisioned group snapshots, this field
-                  object. Required.
+                  will automatically be filled in by the CSI snapshotter sidecar with
+                  the "DeletionPolicy" field defined in the corresponding VolumeGroupSnapshotClass.
+                  For pre-existing snapshots, users MUST specify this field when creating
+                  the VolumeGroupSnapshotContent object. Required.
                 enum:
                 - Delete
                 - Retain
@@ -66,14 +69,14 @@ spec:
                 properties:
                   persistentVolumeNames:
                     description: PersistentVolumeNames is a list of names of PersistentVolumes
-                      to be snapshotted together. Signifies dynamic provisioning of
+                      to be snapshotted together. It is specified for dynamic provisioning
-                      the VolumeGroupSnapshot. This field is immutable.
+                      of the VolumeGroupSnapshot. This field is immutable.
                     items:
                       type: string
                     type: array
                   volumeGroupSnapshotHandle:
-                    description: VolumeGroupSnapshotHandle specifies the CSI "snapshot_id"
+                    description: VolumeGroupSnapshotHandle specifies the CSI "group_snapshot_id"
-                      of a pre-existing snapshot on the underlying storage system
+                      of a pre-existing group snapshot on the underlying storage system
                       for which a Kubernetes object representation was (or should
                       be) created. This field is immutable.
                     type: string
@@ -141,8 +144,7 @@ spec:
             - volumeGroupSnapshotRef
             type: object
           status:
-            description: VolumeGroupSnapshotContentStatus defines the observed state
+            description: status represents the current information of a group snapshot.
-              of VolumeGroupSnapshotContent.
             properties:
               creationTime:
                 description: CreationTime is the timestamp when the point-in-time
@@ -156,19 +158,23 @@ spec:
                   be cleared.
                 properties:
                   message:
-                    description: 'Message is a string detailing the encountered error
+                    description: 'message is a string detailing the encountered error
                       during snapshot creation if specified. NOTE: message may be
                       logged, and it should not contain sensitive information.'
                     type: string
                   time:
-                    description: Time is the timestamp when the error was encountered.
+                    description: time is the timestamp when the error was encountered.
                     format: date-time
                     type: string
                 type: object
               readyToUse:
                 description: ReadyToUse indicates if all the individual snapshots
-                  in the group are ready to be used to restore a volume. If not specified,
+                  in the group are ready to be used to restore a volume. ReadyToUse
-                  it means the readiness of a group snapshot is unknown.
+                  becomes true when ReadyToUse of all individual snapshots become
+                  true. If not specified, it means the readiness of a group snapshot
+                  is unknown. The format of this field is a Unix nanoseconds time
+                  encoded as an int64. On Unix, the command date +%s%N returns the
+                  current time in nanoseconds since 1970-01-01 00:00:00 UTC.
                 type: boolean
               volumeGroupSnapshotHandle:
                 description: VolumeGroupSnapshotHandle is a unique id returned by

client/config/crd/groupsnapshot.storage.k8s.io_volumegroupsnapshots.yaml

@@ -35,7 +35,8 @@ spec:
               submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds'
             type: string
           spec:
-            description: VolumeGroupSnapshotSpec defines the desired state of VolumeGroupSnapshot
+            description: Spec defines the desired characteristics of a group snapshot
+              requested by a user. Required.
             properties:
               selector:
                 description: Selector is a label query over PersistentVolumeClaims
@@ -44,7 +45,7 @@ spec:
                   added or removed to a volume after a group snapshot is created,
                   the existing group snapshots won't be modified. Once a VolumeGroupSnapshotContent
                   is created and the sidecar starts to process it, the volume list
-                  will not change with retries.
+                  will not change with retries. Required.
                 properties:
                   matchExpressions:
                     description: matchExpressions is a list of label selector requirements.
@@ -98,7 +99,10 @@ spec:
             - selector
             type: object
           status:
-            description: VolumeGroupSnapshotStatus defines the observed state of VolumeGroupSnapshot
+            description: Status represents the current information of a group snapshot.
+              Consumers must verify binding between VolumeGroupSnapshot and VolumeGroupSnapshotContent
+              objects is successful (by validating that both VolumeGroupSnapshot and
+              VolumeGroupSnapshotContent point to each other) before using this object.
             properties:
               boundVolumeGroupSnapshotContentName:
                 description: 'BoundVolumeGroupSnapshotContentName is the name of the
@@ -128,19 +132,23 @@ spec:
                   this error field will be cleared.
                 properties:
                   message:
-                    description: 'Message is a string detailing the encountered error
+                    description: 'message is a string detailing the encountered error
                       during snapshot creation if specified. NOTE: message may be
                       logged, and it should not contain sensitive information.'
                     type: string
                   time:
-                    description: Time is the timestamp when the error was encountered.
+                    description: time is the timestamp when the error was encountered.
                     format: date-time
                     type: string
                 type: object
               readyToUse:
                 description: ReadyToUse indicates if all the individual snapshots
-                  in the group are ready to be used to restore a volume. If not specified,
+                  in the group are ready to be used to restore a volume. ReadyToUse
-                  it means the readiness of a group snapshot is unknown.
+                  becomes true when ReadyToUse of all individual snapshots become
+                  true. If not specified, it means the readiness of a group snapshot
+                  is unknown. The format of this field is a Unix nanoseconds time
+                  encoded as an int64. On Unix, the command date +%s%N returns the
+                  current time in nanoseconds since 1970-01-01 00:00:00 UTC.
                 type: boolean
               volumeSnapshotRefList:
                 description: VolumeSnapshotRefList is the list of volume snapshot