v1alpha1

type VolumeGroupSnapshot struct {
	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 defines the desired characteristics of a group snapshot requested by a user.
	// 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"`
}

type VolumeGroupSnapshotClass struct {
	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.
	// Required.
	Driver string `json:"driver" protobuf:"bytes,2,opt,name=driver"`

	// Parameters is a key-value map with storage driver specific parameters for
	// creating group snapshots.
	// These values are opaque to Kubernetes and are passed directly to the driver.
	// +optional
	Parameters map[string]string `json:"parameters,omitempty" protobuf:"bytes,3,rep,name=parameters"`

	// DeletionPolicy determines whether a VolumeGroupSnapshotContent created
	// 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"`
}

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 VolumeGroupSnapshotClasses.
	Items []VolumeGroupSnapshotClass `json:"items" protobuf:"bytes,2,rep,name=items"`
}

type VolumeGroupSnapshotContent 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.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`

	// Spec defines properties of a VolumeGroupSnapshotContent created by the underlying storage system.
	// 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"`
}

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 VolumeGroupSnapshotContents.
	Items []VolumeGroupSnapshotContent `json:"items" protobuf:"bytes,2,rep,name=items"`
}

type VolumeGroupSnapshotContentSource struct {
	// PersistentVolumeNames is a list of names of PersistentVolumes to be snapshotted
	// 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 "group_snapshot_id" 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.
	// +optional
	VolumeGroupSnapshotHandle *string `json:"volumeGroupSnapshotHandle,omitempty" protobuf:"bytes,2,opt,name=volumeGroupSnapshotHandle"`
}

type VolumeGroupSnapshotContentSpec struct {
	// VolumeGroupSnapshotRef specifies the VolumeGroupSnapshot object to which this
	// VolumeGroupSnapshotContent object is bound.
	// VolumeGroupSnapshot.Spec.VolumeGroupSnapshotContentName field must reference to
	// this VolumeGroupSnapshotContent's name for the bidirectional binding to be valid.
	// For a pre-existing VolumeGroupSnapshotContent object, name and namespace of the
	// VolumeGroupSnapshot object MUST be provided for binding to happen.
	// This field is immutable after creation.
	// Required.
	VolumeGroupSnapshotRef core_v1.ObjectReference `json:"volumeGroupSnapshotRef" protobuf:"bytes,1,opt,name=volumeGroupSnapshotRef"`

	// DeletionPolicy determines whether this VolumeGroupSnapshotContent and the
	// physical group snapshot on the underlying storage system should be 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.
	// For pre-existing snapshots, users MUST specify this field when creating the
	// VolumeGroupSnapshotContent object.
	// Required.
	DeletionPolicy snapshotv1.DeletionPolicy `json:"deletionPolicy" protobuf:"bytes,2,opt,name=deletionPolicy"`

	// Driver is the name of the CSI driver used to create the physical group snapshot on
	// the underlying storage system.
	// This MUST be the same as the name returned by the CSI GetPluginName() call for
	// that driver.
	// Required.
	Driver string `json:"driver" protobuf:"bytes,3,opt,name=driver"`

	// VolumeGroupSnapshotClassName is the name of the VolumeGroupSnapshotClass from
	// which this group snapshot was (or will be) created.
	// Note that after provisioning, the VolumeGroupSnapshotClass may be deleted or
	// recreated with different set of values, and as such, should not be referenced
	// post-snapshot creation.
	// For dynamic provisioning, this field must be set.
	// This field may be unset for pre-provisioned snapshots.
	// +optional
	VolumeGroupSnapshotClassName *string `json:"volumeGroupSnapshotClassName,omitempty" protobuf:"bytes,4,opt,name=volumeGroupSnapshotClassName"`

	// Source specifies whether the snapshot is (or should be) dynamically provisioned
	// or already exists, and just requires a Kubernetes object representation.
	// This field is immutable after creation.
	// Required.
	Source VolumeGroupSnapshotContentSource `json:"source" protobuf:"bytes,5,opt,name=source"`
}

type VolumeGroupSnapshotContentStatus struct {
	// VolumeGroupSnapshotHandle is a unique id returned by the CSI driver
	// to identify the VolumeGroupSnapshot on the storage system.
	// If a storage system does not provide such an id, the
	// CSI driver can choose to return the VolumeGroupSnapshot name.
	// +optional
	VolumeGroupSnapshotHandle *string `json:"volumeGroupSnapshotHandle,omitempty" protobuf:"bytes,1,opt,name=volumeGroupSnapshotHandle"`

	// CreationTime is the timestamp when the point-in-time group snapshot is taken
	// by the underlying storage system.
	// If not specified, it indicates the creation time is unknown.
	// 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
	CreationTime *int64 `json:"creationTime,omitempty" protobuf:"varint,2,opt,name=creationTime"`

	// ReadyToUse indicates if all the individual snapshots in the group are ready to be
	// used to restore a group of volumes.
	// ReadyToUse becomes true when ReadyToUse of all individual snapshots become true.
	// +optional
	ReadyToUse *bool `json:"readyToUse,omitempty" protobuf:"varint,3,opt,name=readyToUse"`

	// Error is the last observed error during group snapshot creation, if any.
	// Upon success after retry, this error field will be cleared.
	// +optional
	Error *snapshotv1.VolumeSnapshotError `json:"error,omitempty" protobuf:"bytes,4,opt,name=error,casttype=VolumeSnapshotError"`

	// VolumeSnapshotContentRefList is the list of volume snapshot content references
	// for this group snapshot.
	// The maximum number of allowed snapshots in the group is 100.
	// +optional
	VolumeSnapshotContentRefList []core_v1.ObjectReference `json:"volumeSnapshotContentRefList,omitempty" protobuf:"bytes,5,opt,name=volumeSnapshotContentRefList"`
}

type VolumeGroupSnapshotList struct {
	metav1.TypeMeta `json:",inline"`
	// +optional
	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"`
}

type VolumeGroupSnapshotSource struct {
	// Selector is a label query over persistent volume claims that are to be
	// grouped together for snapshotting.
	// This labelSelector will be used to match the label added to a PVC.
	// If the label is 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.
	// Required.
	Selector metav1.LabelSelector `json:"selector" protobuf:"bytes,1,opt,name=selector"`

	// VolumeGroupSnapshotContentName specifies the name of a pre-existing VolumeGroupSnapshotContent
	// object representing an existing volume group snapshot.
	// This field should be set if the volume group snapshot already exists and
	// only needs a representation in Kubernetes.
	// This field is immutable.
	// +optional
	VolumeGroupSnapshotContentName *string `json:"volumeGroupSnapshotContentName,omitempty" protobuf:"bytes,2,opt,name=volumeGroupSnapshotContentName"`
}

type VolumeGroupSnapshotSpec struct {
	// Source specifies where a group snapshot will be created from.
	// This field is immutable after creation.
	// Required.
	Source VolumeGroupSnapshotSource `json:"source" protobuf:"bytes,1,opt,name=source"`

	// VolumeGroupSnapshotClassName is the name of the VolumeGroupSnapshotClass
	// requested by the VolumeGroupSnapshot.
	// VolumeGroupSnapshotClassName may be left nil to indicate that the default
	// class will be used.
	// Empty string is not allowed for this field.
	// +optional
	VolumeGroupSnapshotClassName *string `json:"volumeGroupSnapshotClassName,omitempty" protobuf:"bytes,2,opt,name=volumeGroupSnapshotClassName"`
}

type VolumeGroupSnapshotStatus struct {
	// BoundVolumeGroupSnapshotContentName is the name of the VolumeGroupSnapshotContent
	// object to which this VolumeGroupSnapshot object intends to bind to.
	// If not specified, it indicates that the VolumeGroupSnapshot object has not
	// been successfully bound to a VolumeGroupSnapshotContent object yet.
	// NOTE: To avoid possible security issues, consumers must verify binding between
	// VolumeGroupSnapshot and VolumeGroupSnapshotContent objects is successful
	// (by validating that both VolumeGroupSnapshot and VolumeGroupSnapshotContent
	// point at each other) before using this object.
	// +optional
	BoundVolumeGroupSnapshotContentName *string `json:"boundVolumeGroupSnapshotContentName,omitempty" protobuf:"bytes,1,opt,name=boundVolumeGroupSnapshotContentName"`

	// CreationTime is the timestamp when the point-in-time group snapshot is taken
	// by the underlying storage system.
	// If not specified, it may indicate that the creation time of the 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
	CreationTime *metav1.Time `json:"creationTime,omitempty" protobuf:"bytes,2,opt,name=creationTime"`

	// ReadyToUse indicates if all the individual snapshots in the group are ready
	// to be used to restore a group of volumes.
	// ReadyToUse becomes true when ReadyToUse of all individual snapshots become true.
	// If not specified, it means the readiness of a group snapshot is unknown.
	// +optional
	ReadyToUse *bool `json:"readyToUse,omitempty" protobuf:"varint,3,opt,name=readyToUse"`

	// Error is the last observed error during group snapshot creation, if any.
	// This field could be helpful to upper level controllers (i.e., application
	// controller) to decide whether they should continue on waiting for the group
	// snapshot to be created based on the type of error reported.
	// The snapshot controller will keep retrying when an error occurs during the
	// group snapshot creation. Upon success, this error field will be cleared.
	// +optional
	Error *snapshotv1.VolumeSnapshotError `json:"error,omitempty" protobuf:"bytes,4,opt,name=error,casttype=VolumeSnapshotError"`

	// VolumeSnapshotRefList is the list of volume snapshot references for this
	// group snapshot.
	// The maximum number of allowed snapshots in the group is 100.
	// +optional
	VolumeSnapshotRefList []core_v1.ObjectReference `json:"volumeSnapshotRefList,omitempty" protobuf:"bytes,5,opt,name=volumeSnapshotRefList"`
}