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cephfs: remove snapshot protect/unprotect

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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:
Praveen M
2023-10-18 13:45:53 +05:30
committed by mergify[bot]
parent 879a8d4673
commit ad3a3d704a
4 changed files with 12 additions and 188 deletions
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65
internal/cephfs/core/clone.go
View File

@ -18,7 +18,6 @@ package core
import (
"context"
"errors"
"fmt"
cerrors "github.com/ceph/ceph-csi/internal/cephfs/errors"
@ -34,11 +33,6 @@ type cephFSCloneState struct {
errorMsg string
}
const (
// SnapshotIsProtected string indicates that the snapshot is currently protected.
SnapshotIsProtected = "yes"
)
// CephFSCloneError indicates that fetching the clone state returned an error.
var CephFSCloneError = cephFSCloneState{}
@ -73,43 +67,20 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
return err
}
var (
// if protectErr is not nil we will delete the snapshot as the protect fails
protectErr error
// if cloneErr is not nil we will unprotect the snapshot and delete the snapshot
cloneErr error
)
defer func() {
if protectErr != nil {
err = snapClient.DeleteSnapshot(ctx)
if err != nil {
log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
}
}
// if cloneErr is not nil we will delete the snapshot
var cloneErr error
defer func() {
if cloneErr != nil {
if err = s.PurgeVolume(ctx, true); err != nil {
log.ErrorLog(ctx, "failed to delete volume %s: %v", s.VolID, err)
}
if err = snapClient.UnprotectSnapshot(ctx); 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 and we are good to go
// ahead with deletion
if !errors.Is(err, cerrors.ErrSnapProtectionExist) {
log.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapshotID, err)
}
}
if err = snapClient.DeleteSnapshot(ctx); err != nil {
log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
}
}
}()
protectErr = snapClient.ProtectSnapshot(ctx)
if protectErr != nil {
log.ErrorLog(ctx, "failed to protect snapshot %s %v", snapshotID, protectErr)
return protectErr
}
cloneErr = snapClient.CloneSnapshot(ctx, s.SubVolume)
if cloneErr != nil {
log.ErrorLog(ctx, "failed to clone snapshot %s %s to %s %v", parentvolOpt.VolID, snapshotID, s.VolID, cloneErr)
@ -139,16 +110,6 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
}
// As we completed clone, remove the intermediate snap
if err = snapClient.UnprotectSnapshot(ctx); 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 and we are good to go
// ahead with deletion
if !errors.Is(err, cerrors.ErrSnapProtectionExist) {
log.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapshotID, err)
return err
}
}
if err = snapClient.DeleteSnapshot(ctx); err != nil {
log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapshotID, err)
@ -166,24 +127,8 @@ func (s *subVolumeClient) CleanupSnapshotFromSubvolume(
// identified during PVC-PVC cloning.
snapShotID := s.VolID
snapClient := NewSnapshot(s.conn, snapShotID, s.clusterID, s.clusterName, s.enableMetadata, parentVol)
snapInfo, err := snapClient.GetSnapshotInfo(ctx)
if err != nil {
if errors.Is(err, cerrors.ErrSnapNotFound) {
return nil
}
return err
}
if snapInfo.Protected == SnapshotIsProtected {
err = snapClient.UnprotectSnapshot(ctx)
if err != nil {
log.ErrorLog(ctx, "failed to unprotect snapshot %s %v", snapShotID, err)
return err
}
}
err = snapClient.DeleteSnapshot(ctx)
err := snapClient.DeleteSnapshot(ctx)
if err != nil {
log.ErrorLog(ctx, "failed to delete snapshot %s %v", snapShotID, err)