mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-11-09 16:00:22 +00:00
cephfs: implement snapshot protect and unprotect to go-ceph
Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
This commit is contained in:
parent
78968f76e8
commit
814bf4459a
@ -68,7 +68,7 @@ func createCloneFromSubvolume(ctx context.Context, volID, cloneID volumeID, volO
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if err = purgeVolume(ctx, cloneID, cr, volOpt, true); err != nil {
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util.ErrorLog(ctx, "failed to delete volume %s: %v", cloneID, err)
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}
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if err = unprotectSnapshot(ctx, parentvolOpt, cr, snapshotID, volID); err != nil {
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if err = parentvolOpt.unprotectSnapshot(ctx, snapshotID, volID); 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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@ -81,7 +81,7 @@ func createCloneFromSubvolume(ctx context.Context, volID, cloneID volumeID, volO
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}
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}
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}()
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protectErr = protectSnapshot(ctx, parentvolOpt, cr, snapshotID, volID)
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protectErr = parentvolOpt.protectSnapshot(ctx, snapshotID, volID)
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if protectErr != nil {
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util.ErrorLog(ctx, "failed to protect snapshot %s %v", snapshotID, protectErr)
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return protectErr
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@ -117,7 +117,7 @@ func createCloneFromSubvolume(ctx context.Context, volID, cloneID volumeID, volO
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return err
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}
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// As we completed clone, remove the intermediate snap
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if err = unprotectSnapshot(ctx, parentvolOpt, cr, snapshotID, volID); err != nil {
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if err = parentvolOpt.unprotectSnapshot(ctx, snapshotID, volID); 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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@ -147,7 +147,7 @@ func cleanupCloneFromSubvolumeSnapshot(ctx context.Context, volID, cloneID volum
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}
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if snapInfo.Protected == snapshotIsProtected {
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err = unprotectSnapshot(ctx, parentVolOpt, cr, snapShotID, volID)
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err = parentVolOpt.unprotectSnapshot(ctx, snapShotID, volID)
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if err != nil {
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util.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapShotID, err)
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return err
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@ -534,7 +534,7 @@ func (cs *ControllerServer) CreateSnapshot(ctx context.Context, req *csi.CreateS
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// check snapshot is protected
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protected := true
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if !(snapInfo.Protected == snapshotIsProtected) {
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err = protectSnapshot(ctx, parentVolOptions, cr, volumeID(sid.FsSnapshotName), volumeID(vid.FsSubvolName))
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err = parentVolOptions.protectSnapshot(ctx, volumeID(sid.FsSnapshotName), volumeID(vid.FsSubvolName))
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if err != nil {
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protected = false
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util.WarningLog(ctx, "failed to protect snapshot of snapshot: %s (%s)",
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@ -611,7 +611,7 @@ func doSnapshot(ctx context.Context, volOpt *volumeOptions, subvolumeName, snaps
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return snap, err
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}
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snap.CreationTime = t
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err = protectSnapshot(ctx, volOpt, cr, snapID, volID)
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err = volOpt.protectSnapshot(ctx, snapID, volID)
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if err != nil {
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util.ErrorLog(ctx, "failed to protect snapshot %s %v", snapID, err)
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}
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@ -706,7 +706,7 @@ func (cs *ControllerServer) DeleteSnapshot(ctx context.Context, req *csi.DeleteS
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return nil, status.Errorf(codes.FailedPrecondition, "snapshot %s has pending clones", snapshotID)
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}
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if snapInfo.Protected == snapshotIsProtected {
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err = unprotectSnapshot(ctx, volOpt, cr, volumeID(sid.FsSnapshotName), volumeID(sid.FsSubvolName))
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err = volOpt.unprotectSnapshot(ctx, volumeID(sid.FsSnapshotName), volumeID(sid.FsSubvolName))
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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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@ -27,8 +27,6 @@ const (
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// snapNotFound is returned when snap name passed is not found in the list
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// of snapshots for the given image.
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snapNotFound = "Error ENOENT"
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// snapProtectionExist is returned when the snapshot is already protected
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snapProtectionExist = "Error EEXIST"
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// volumeNotEmpty is returned when the volume is not empty.
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volumeNotEmpty = "Error ENOTEMPTY"
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)
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@ -18,9 +18,11 @@ package cephfs
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import (
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"context"
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"errors"
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"strings"
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"github.com/ceph/ceph-csi/internal/util"
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"github.com/ceph/go-ceph/rados"
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"github.com/golang/protobuf/ptypes/timestamp"
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)
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@ -119,75 +121,51 @@ func getSnapshotInfo(ctx context.Context, volOptions *volumeOptions, cr *util.Cr
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return snap, nil
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}
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func protectSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.Credentials, snapID, volID volumeID) error {
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func (vo *volumeOptions) protectSnapshot(ctx context.Context, snapID, volID volumeID) 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, volOptions.Features) {
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if checkSubvolumeHasFeature(autoProtect, vo.Features) {
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return nil
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}
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args := []string{
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"fs",
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"subvolume",
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"snapshot",
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"protect",
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volOptions.FsName,
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string(volID),
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string(snapID),
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"--group_name",
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volOptions.SubvolumeGroup,
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"-m", volOptions.Monitors,
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"-c", util.CephConfigPath,
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"-n", cephEntityClientPrefix + cr.ID,
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"--keyfile=" + cr.KeyFile,
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fsa, err := vo.conn.GetFSAdmin()
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if err != nil {
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util.ErrorLog(ctx, "could not get FSAdmin: %s", err)
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return err
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}
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err := execCommandErr(
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ctx,
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"ceph",
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args[:]...)
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err = fsa.ProtectSubVolumeSnapshot(vo.FsName, vo.SubvolumeGroup, string(volID),
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string(snapID))
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if err != nil {
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if strings.Contains(err.Error(), snapProtectionExist) {
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if errors.Is(err, rados.ErrObjectExists) {
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return nil
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}
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util.ErrorLog(ctx, "failed to protect subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
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util.ErrorLog(ctx, "failed to protect subvolume snapshot %s %s in fs %s with error: %s", string(volID), string(snapID), vo.FsName, 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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func unprotectSnapshot(ctx context.Context, volOptions *volumeOptions, cr *util.Credentials, snapID, volID volumeID) error {
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func (vo *volumeOptions) unprotectSnapshot(ctx context.Context, snapID, volID volumeID) 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, volOptions.Features) {
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if checkSubvolumeHasFeature(autoProtect, vo.Features) {
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return nil
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}
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args := []string{
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"fs",
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"subvolume",
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"snapshot",
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"unprotect",
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volOptions.FsName,
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string(volID),
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string(snapID),
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"--group_name",
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volOptions.SubvolumeGroup,
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"-m", volOptions.Monitors,
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"-c", util.CephConfigPath,
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"-n", cephEntityClientPrefix + cr.ID,
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"--keyfile=" + cr.KeyFile,
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fsa, err := vo.conn.GetFSAdmin()
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if err != nil {
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util.ErrorLog(ctx, "could not get FSAdmin: %s", err)
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return err
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}
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err := execCommandErr(
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ctx,
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"ceph",
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args[:]...)
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err = fsa.UnprotectSubVolumeSnapshot(vo.FsName, vo.SubvolumeGroup, string(volID),
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string(snapID))
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if 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.
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if strings.Contains(err.Error(), snapProtectionExist) {
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if errors.Is(err, rados.ErrObjectExists) {
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return nil
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}
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util.ErrorLog(ctx, "failed to unprotect subvolume snapshot %s %s(%s) in fs %s", string(snapID), string(volID), err, volOptions.FsName)
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util.ErrorLog(ctx, "failed to unprotect subvolume snapshot %s %s in fs %s with error: %s", string(volID), string(snapID), vo.FsName, err)
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return err
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}
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return nil
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