mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-09 16:00:22 +00:00
cephfs: remove snapshot protect/unprotect
This commit eliminates the code for protecting and unprotecting snapshots, as the functionality to protect and unprotect snapshots is being deprecated. Signed-off-by: Praveen M <m.praveen@ibm.com>
This commit is contained in:
parent
879a8d4673
commit
ad3a3d704a
@ -750,7 +750,7 @@ func (cs *ControllerServer) ControllerExpandVolume(
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// CreateSnapshot creates the snapshot in backend and stores metadata
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// CreateSnapshot creates the snapshot in backend and stores metadata
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// in store
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// in store
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//
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//
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//nolint:gocognit,gocyclo,cyclop // golangci-lint did not catch this earlier, needs to get fixed late
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//nolint:gocyclo,cyclop // golangci-lint did not catch this earlier, needs to get fixed late
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func (cs *ControllerServer) CreateSnapshot(
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func (cs *ControllerServer) CreateSnapshot(
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ctx context.Context,
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ctx context.Context,
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req *csi.CreateSnapshotRequest,
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req *csi.CreateSnapshotRequest,
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@ -830,29 +830,15 @@ func (cs *ControllerServer) CreateSnapshot(
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}
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}
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defer cs.VolumeLocks.Release(sourceVolID)
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defer cs.VolumeLocks.Release(sourceVolID)
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snapName := req.GetName()
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snapName := req.GetName()
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sid, snapInfo, err := store.CheckSnapExists(ctx, parentVolOptions, cephfsSnap, cs.ClusterName, cs.SetMetadata, cr)
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sid, _, err := store.CheckSnapExists(ctx, parentVolOptions, cephfsSnap, cs.ClusterName, cs.SetMetadata, cr)
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if err != nil {
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if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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return nil, status.Error(codes.Internal, err.Error())
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}
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}
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// check are we able to retrieve the size of parent
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// ceph fs subvolume info command got added in 14.2.10 and 15.+
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// as we are not able to retrieve the parent size we are rejecting the
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// request to create snapshot.
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// TODO: For this purpose we could make use of cached clusterAdditionalInfo
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// too.
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volClient := core.NewSubVolume(parentVolOptions.GetConnection(), &parentVolOptions.SubVolume,
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volClient := core.NewSubVolume(parentVolOptions.GetConnection(), &parentVolOptions.SubVolume,
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parentVolOptions.ClusterID, cs.ClusterName, cs.SetMetadata)
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parentVolOptions.ClusterID, cs.ClusterName, cs.SetMetadata)
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info, err := volClient.GetSubVolumeInfo(ctx)
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info, err := volClient.GetSubVolumeInfo(ctx)
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if err != nil {
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if err != nil {
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// Check error code value against ErrInvalidCommand to understand the cluster
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// support it or not, It's safe to evaluate as the filtering
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// is already done from GetSubVolumeInfo() and send out the error here.
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if errors.Is(err, cerrors.ErrInvalidCommand) {
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return nil, status.Error(
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codes.FailedPrecondition,
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"subvolume info command not supported in current ceph cluster")
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}
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if sid != nil {
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if sid != nil {
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errDefer := store.UndoSnapReservation(ctx, parentVolOptions, *sid, snapName, cr)
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errDefer := store.UndoSnapReservation(ctx, parentVolOptions, *sid, snapName, cr)
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if errDefer != nil {
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if errDefer != nil {
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@ -866,22 +852,11 @@ func (cs *ControllerServer) CreateSnapshot(
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metadata := k8s.GetSnapshotMetadata(req.GetParameters())
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metadata := k8s.GetSnapshotMetadata(req.GetParameters())
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if sid != nil {
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if sid != nil {
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// check snapshot is protected
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protected := true
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snapClient := core.NewSnapshot(parentVolOptions.GetConnection(), sid.FsSnapshotName,
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parentVolOptions.ClusterID, cs.ClusterName, cs.SetMetadata, &parentVolOptions.SubVolume)
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if !(snapInfo.Protected == core.SnapshotIsProtected) {
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err = snapClient.ProtectSnapshot(ctx)
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if err != nil {
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protected = false
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log.WarningLog(ctx, "failed to protect snapshot of snapshot: %s (%s)",
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sid.FsSnapshotName, err)
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}
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}
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// Update snapshot-name/snapshot-namespace/snapshotcontent-name details on
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// Update snapshot-name/snapshot-namespace/snapshotcontent-name details on
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// subvolume snapshot as metadata in case snapshot already exist
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// subvolume snapshot as metadata in case snapshot already exist
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if len(metadata) != 0 {
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if len(metadata) != 0 {
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snapClient := core.NewSnapshot(parentVolOptions.GetConnection(), sid.FsSnapshotName,
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parentVolOptions.ClusterID, cs.ClusterName, cs.SetMetadata, &parentVolOptions.SubVolume)
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err = snapClient.SetAllSnapshotMetadata(metadata)
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err = snapClient.SetAllSnapshotMetadata(metadata)
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if err != nil {
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if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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return nil, status.Error(codes.Internal, err.Error())
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@ -894,7 +869,7 @@ func (cs *ControllerServer) CreateSnapshot(
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SnapshotId: sid.SnapshotID,
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SnapshotId: sid.SnapshotID,
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SourceVolumeId: req.GetSourceVolumeId(),
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SourceVolumeId: req.GetSourceVolumeId(),
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CreationTime: sid.CreationTime,
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CreationTime: sid.CreationTime,
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ReadyToUse: protected,
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ReadyToUse: true,
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},
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},
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}, nil
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}, nil
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}
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}
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@ -968,10 +943,6 @@ func (cs *ControllerServer) doSnapshot(
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return snap, fmt.Errorf("failed to get snapshot info for snapshot:%s", snapID)
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return snap, fmt.Errorf("failed to get snapshot info for snapshot:%s", snapID)
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}
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}
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snap.CreationTime = timestamppb.New(snap.CreatedAt)
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snap.CreationTime = timestamppb.New(snap.CreatedAt)
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err = snapClient.ProtectSnapshot(ctx)
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if err != nil {
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log.ErrorLog(ctx, "failed to protect snapshot %s %v", snapID, err)
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}
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// Set snapshot-name/snapshot-namespace/snapshotcontent-name details
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// Set snapshot-name/snapshot-namespace/snapshotcontent-name details
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// on subvolume snapshot as metadata on create
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// on subvolume snapshot as metadata on create
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@ -1006,8 +977,6 @@ func (cs *ControllerServer) validateSnapshotReq(ctx context.Context, req *csi.Cr
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// DeleteSnapshot deletes the snapshot in backend and removes the
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// DeleteSnapshot deletes the snapshot in backend and removes the
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// snapshot metadata from store.
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// snapshot metadata from store.
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//
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//nolint:gocyclo,cyclop // TODO: reduce complexity
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func (cs *ControllerServer) DeleteSnapshot(
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func (cs *ControllerServer) DeleteSnapshot(
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ctx context.Context,
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ctx context.Context,
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req *csi.DeleteSnapshotRequest,
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req *csi.DeleteSnapshotRequest,
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@ -1100,14 +1069,6 @@ func (cs *ControllerServer) DeleteSnapshot(
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if snapInfo.HasPendingClones == "yes" {
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if snapInfo.HasPendingClones == "yes" {
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return nil, status.Errorf(codes.FailedPrecondition, "snapshot %s has pending clones", snapshotID)
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return nil, status.Errorf(codes.FailedPrecondition, "snapshot %s has pending clones", snapshotID)
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}
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}
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snapClient := core.NewSnapshot(volOpt.GetConnection(), sid.FsSnapshotName,
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volOpt.ClusterID, cs.ClusterName, cs.SetMetadata, &volOpt.SubVolume)
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if snapInfo.Protected == core.SnapshotIsProtected {
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err = snapClient.UnprotectSnapshot(ctx)
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if err != nil {
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return nil, status.Error(codes.Internal, err.Error())
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}
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}
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needsDelete, err := store.UnrefSelfInSnapshotBackedVolumes(ctx, volOpt, sid.SnapshotID)
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needsDelete, err := store.UnrefSelfInSnapshotBackedVolumes(ctx, volOpt, sid.SnapshotID)
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if err != nil {
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if err != nil {
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@ -1119,6 +1080,8 @@ func (cs *ControllerServer) DeleteSnapshot(
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}
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}
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if needsDelete {
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if needsDelete {
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snapClient := core.NewSnapshot(volOpt.GetConnection(), sid.FsSnapshotName,
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volOpt.ClusterID, cs.ClusterName, cs.SetMetadata, &volOpt.SubVolume)
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err = deleteSnapshotAndUndoReservation(
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err = deleteSnapshotAndUndoReservation(
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ctx,
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ctx,
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snapClient,
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snapClient,
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@ -18,7 +18,6 @@ package core
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import (
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import (
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"context"
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"context"
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"errors"
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"fmt"
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"fmt"
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cerrors "github.com/ceph/ceph-csi/internal/cephfs/errors"
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cerrors "github.com/ceph/ceph-csi/internal/cephfs/errors"
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@ -34,11 +33,6 @@ type cephFSCloneState struct {
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errorMsg string
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errorMsg string
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}
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}
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const (
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// SnapshotIsProtected string indicates that the snapshot is currently protected.
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SnapshotIsProtected = "yes"
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)
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// CephFSCloneError indicates that fetching the clone state returned an error.
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// CephFSCloneError indicates that fetching the clone state returned an error.
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var CephFSCloneError = cephFSCloneState{}
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var CephFSCloneError = cephFSCloneState{}
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@ -73,43 +67,20 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
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return err
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return err
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}
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}
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var (
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// if protectErr is not nil we will delete the snapshot as the protect fails
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protectErr error
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// if cloneErr is not nil we will unprotect the snapshot and delete the snapshot
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cloneErr error
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)
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defer func() {
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if protectErr != nil {
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err = snapClient.DeleteSnapshot(ctx)
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if err != nil {
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
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}
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}
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// if cloneErr is not nil we will delete the snapshot
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var cloneErr error
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defer func() {
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if cloneErr != nil {
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if cloneErr != nil {
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if err = s.PurgeVolume(ctx, true); err != nil {
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if err = s.PurgeVolume(ctx, true); err != nil {
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log.ErrorLog(ctx, "failed to delete volume %s: %v", s.VolID, err)
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log.ErrorLog(ctx, "failed to delete volume %s: %v", s.VolID, err)
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}
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}
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if err = snapClient.UnprotectSnapshot(ctx); err != nil {
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// In case the snap is already unprotected we get ErrSnapProtectionExist error code
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// in that case we are safe and we could discard this error and we are good to go
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// ahead with deletion
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if !errors.Is(err, cerrors.ErrSnapProtectionExist) {
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log.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapshotID, err)
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}
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}
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if err = snapClient.DeleteSnapshot(ctx); err != nil {
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if err = snapClient.DeleteSnapshot(ctx); err != nil {
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
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}
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}
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}
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}
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}()
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}()
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protectErr = snapClient.ProtectSnapshot(ctx)
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if protectErr != nil {
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log.ErrorLog(ctx, "failed to protect snapshot %s %v", snapshotID, protectErr)
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return protectErr
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}
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cloneErr = snapClient.CloneSnapshot(ctx, s.SubVolume)
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cloneErr = snapClient.CloneSnapshot(ctx, s.SubVolume)
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if cloneErr != nil {
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if cloneErr != nil {
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log.ErrorLog(ctx, "failed to clone snapshot %s %s to %s %v", parentvolOpt.VolID, snapshotID, s.VolID, cloneErr)
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log.ErrorLog(ctx, "failed to clone snapshot %s %s to %s %v", parentvolOpt.VolID, snapshotID, s.VolID, cloneErr)
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@ -139,16 +110,6 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
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}
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}
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// As we completed clone, remove the intermediate snap
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// As we completed clone, remove the intermediate snap
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if err = snapClient.UnprotectSnapshot(ctx); err != nil {
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// In case the snap is already unprotected we get ErrSnapProtectionExist error code
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// in that case we are safe and we could discard this error and we are good to go
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// ahead with deletion
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if !errors.Is(err, cerrors.ErrSnapProtectionExist) {
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log.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapshotID, err)
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return err
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}
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}
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if err = snapClient.DeleteSnapshot(ctx); err != nil {
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if err = snapClient.DeleteSnapshot(ctx); err != nil {
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
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@ -166,24 +127,8 @@ func (s *subVolumeClient) CleanupSnapshotFromSubvolume(
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// identified during PVC-PVC cloning.
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// identified during PVC-PVC cloning.
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snapShotID := s.VolID
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snapShotID := s.VolID
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snapClient := NewSnapshot(s.conn, snapShotID, s.clusterID, s.clusterName, s.enableMetadata, parentVol)
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snapClient := NewSnapshot(s.conn, snapShotID, s.clusterID, s.clusterName, s.enableMetadata, parentVol)
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snapInfo, err := snapClient.GetSnapshotInfo(ctx)
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if err != nil {
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if errors.Is(err, cerrors.ErrSnapNotFound) {
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return nil
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}
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return err
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err := snapClient.DeleteSnapshot(ctx)
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}
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if snapInfo.Protected == SnapshotIsProtected {
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err = snapClient.UnprotectSnapshot(ctx)
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if err != nil {
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log.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapShotID, err)
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return err
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}
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}
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err = snapClient.DeleteSnapshot(ctx)
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if err != nil {
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if err != nil {
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapShotID, err)
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log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapShotID, err)
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@ -30,12 +30,6 @@ import (
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"github.com/golang/protobuf/ptypes/timestamp"
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"github.com/golang/protobuf/ptypes/timestamp"
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)
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)
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// autoProtect points to the snapshot auto-protect feature of
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// the subvolume.
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const (
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autoProtect = "snapshot-autoprotect"
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)
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// SnapshotClient is the interface that holds the signature of snapshot methods
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// SnapshotClient is the interface that holds the signature of snapshot methods
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// that interacts with CephFS snapshot API's.
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// that interacts with CephFS snapshot API's.
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type SnapshotClient interface {
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type SnapshotClient interface {
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@ -45,10 +39,6 @@ type SnapshotClient interface {
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DeleteSnapshot(ctx context.Context) error
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DeleteSnapshot(ctx context.Context) error
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// GetSnapshotInfo returns the snapshot info of the subvolume.
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// GetSnapshotInfo returns the snapshot info of the subvolume.
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GetSnapshotInfo(ctx context.Context) (SnapshotInfo, error)
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GetSnapshotInfo(ctx context.Context) (SnapshotInfo, error)
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// ProtectSnapshot protects the snapshot of the subvolume.
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ProtectSnapshot(ctx context.Context) error
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// UnprotectSnapshot unprotects the snapshot of the subvolume.
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UnprotectSnapshot(ctx context.Context) error
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// CloneSnapshot clones the snapshot of the subvolume.
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// CloneSnapshot clones the snapshot of the subvolume.
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CloneSnapshot(ctx context.Context, cloneVolOptions *SubVolume) error
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CloneSnapshot(ctx context.Context, cloneVolOptions *SubVolume) error
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// SetAllSnapshotMetadata set all the metadata from arg parameters on
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// SetAllSnapshotMetadata set all the metadata from arg parameters on
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@ -139,7 +129,6 @@ type SnapshotInfo struct {
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CreatedAt time.Time
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CreatedAt time.Time
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CreationTime *timestamp.Timestamp
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CreationTime *timestamp.Timestamp
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HasPendingClones string
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HasPendingClones string
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Protected string
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}
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}
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// GetSnapshotInfo returns the snapshot info of the subvolume.
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// GetSnapshotInfo returns the snapshot info of the subvolume.
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@ -169,80 +158,10 @@ func (s *snapshotClient) GetSnapshotInfo(ctx context.Context) (SnapshotInfo, err
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}
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}
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snap.CreatedAt = info.CreatedAt.Time
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snap.CreatedAt = info.CreatedAt.Time
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snap.HasPendingClones = info.HasPendingClones
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snap.HasPendingClones = info.HasPendingClones
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snap.Protected = info.Protected
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return snap, nil
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return snap, nil
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}
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}
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// ProtectSnapshot protects the snapshot of the subvolume.
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func (s *snapshotClient) ProtectSnapshot(ctx context.Context) error {
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// If "snapshot-autoprotect" feature is present, The ProtectSnapshot
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// call should be treated as a no-op.
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if checkSubvolumeHasFeature(autoProtect, s.Features) {
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return nil
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}
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fsa, err := s.conn.GetFSAdmin()
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if err != nil {
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log.ErrorLog(ctx, "could not get FSAdmin: %s", err)
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return err
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}
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err = fsa.ProtectSubVolumeSnapshot(s.FsName, s.SubvolumeGroup, s.VolID, s.SnapshotID)
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if err != nil {
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if errors.Is(err, rados.ErrObjectExists) {
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return nil
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}
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log.ErrorLog(
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ctx,
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"failed to protect subvolume snapshot %s %s in fs %s with error: %s",
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s.VolID,
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s.SnapshotID,
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s.FsName,
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err)
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return err
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}
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return nil
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}
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// UnprotectSnapshot unprotects the snapshot of the subvolume.
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func (s *snapshotClient) UnprotectSnapshot(ctx context.Context) error {
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// If "snapshot-autoprotect" feature is present, The UnprotectSnapshot
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// call should be treated as a no-op.
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|
||||||
if checkSubvolumeHasFeature(autoProtect, s.Features) {
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
fsa, err := s.conn.GetFSAdmin()
|
|
||||||
if err != nil {
|
|
||||||
log.ErrorLog(ctx, "could not get FSAdmin: %s", err)
|
|
||||||
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
err = fsa.UnprotectSubVolumeSnapshot(s.FsName, s.SubvolumeGroup, s.VolID,
|
|
||||||
s.SnapshotID)
|
|
||||||
if err != nil {
|
|
||||||
// In case the snap is already unprotected we get ErrSnapProtectionExist error code
|
|
||||||
// in that case we are safe and we could discard this error.
|
|
||||||
if errors.Is(err, rados.ErrObjectExists) {
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
log.ErrorLog(
|
|
||||||
ctx,
|
|
||||||
"failed to unprotect subvolume snapshot %s %s in fs %s with error: %s",
|
|
||||||
s.VolID,
|
|
||||||
s.SnapshotID,
|
|
||||||
s.FsName,
|
|
||||||
err)
|
|
||||||
|
|
||||||
return err
|
|
||||||
}
|
|
||||||
|
|
||||||
return nil
|
|
||||||
}
|
|
||||||
|
|
||||||
// CloneSnapshot clones the snapshot of the subvolume.
|
// CloneSnapshot clones the snapshot of the subvolume.
|
||||||
func (s *snapshotClient) CloneSnapshot(
|
func (s *snapshotClient) CloneSnapshot(
|
||||||
ctx context.Context,
|
ctx context.Context,
|
||||||
|
@ -46,9 +46,6 @@ var (
|
|||||||
// statically provisioned.
|
// statically provisioned.
|
||||||
ErrNonStaticVolume = coreError.New("volume not static")
|
ErrNonStaticVolume = coreError.New("volume not static")
|
||||||
|
|
||||||
// ErrSnapProtectionExist is returned when the snapshot is already protected.
|
|
||||||
ErrSnapProtectionExist = coreError.New("snapshot protection already exists")
|
|
||||||
|
|
||||||
// ErrSnapNotFound is returned when snap name passed is not found in the list
|
// ErrSnapNotFound is returned when snap name passed is not found in the list
|
||||||
// of snapshots for the given image.
|
// of snapshots for the given image.
|
||||||
ErrSnapNotFound = coreError.New("snapshot not found")
|
ErrSnapNotFound = coreError.New("snapshot not found")
|
||||||
|
Loading…
Reference in New Issue
Block a user