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cephfs: Add 'pending' state for clone status

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In certain cases, clone status can be 'pending'.
In that case, abort error message should be
returned similar to that during 'in-progress'
state.

Co-authored-by: Madhu Rajanna <madhupr007@gmail.com>
Signed-off-by: Yug <yuggupta27@gmail.com>
This commit is contained in:
Yug 2020-11-09 11:30:18 +05:30 committed by mergify[bot]
parent 565038fdfd
commit acbedc52bf
4 changed files with 17 additions and 4 deletions
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9
internal/cephfs/clone.go
View File

@ -27,6 +27,8 @@ import (
const (
// cephFSCloneFailed indicates that clone is in failed state.
cephFSCloneFailed = "failed"
// cephFSClonePending indicates that clone is in pending state.
cephFSClonePending = "pending"
// cephFSCloneInprogress indicates that clone is in in-progress state.
cephFSCloneInprogress = "in-progress"
// cephFSCloneComplete indicates that clone is in complete state.
@ -94,6 +96,9 @@ func createCloneFromSubvolume(ctx context.Context, volID, cloneID volumeID, volO
case cephFSCloneInprogress:
util.ErrorLog(ctx, "clone is in progress for %v", cloneID)
return ErrCloneInProgress
case cephFSClonePending:
util.ErrorLog(ctx, "clone is pending for %v", cloneID)
return ErrClonePending
case cephFSCloneFailed:
util.ErrorLog(ctx, "clone failed for %v", cloneID)
cloneFailedErr := fmt.Errorf("clone %s is in %s state", cloneID, clone.Status.State)
@ -158,7 +163,7 @@ func createCloneFromSnapshot(ctx context.Context, parentVolOpt, volOptions *volu
}
defer func() {
if err != nil {
if !errors.Is(err, ErrCloneInProgress) {
if !isCloneRetryError(err) {
if dErr := purgeVolume(ctx, volumeID(vID.FsSubvolName), cr, volOptions, true); dErr != nil {
util.ErrorLog(ctx, "failed to delete volume %s: %v", vID.FsSubvolName, dErr)
}
@ -173,6 +178,8 @@ func createCloneFromSnapshot(ctx context.Context, parentVolOpt, volOptions *volu
switch clone.Status.State {
case cephFSCloneInprogress:
return ErrCloneInProgress
case cephFSClonePending:
return ErrClonePending
case cephFSCloneFailed:
return fmt.Errorf("clone %s is in %s state", vID.FsSubvolName, clone.Status.State)
case cephFSCloneComplete:

6
internal/cephfs/controllerserver.go
View File

@ -173,7 +173,7 @@ func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
vID, err := checkVolExists(ctx, volOptions, parentVol, pvID, sID, cr)
if err != nil {
if errors.Is(err, ErrCloneInProgress) {
if isCloneRetryError(err) {
return nil, status.Error(codes.Aborted, err.Error())
}
return nil, status.Error(codes.Internal, err.Error())
@ -233,7 +233,7 @@ func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
defer func() {
if err != nil {
if !errors.Is(err, ErrCloneInProgress) {
if !isCloneRetryError(err) {
errDefer := undoVolReservation(ctx, volOptions, *vID, secret)
if errDefer != nil {
util.WarningLog(ctx, "failed undoing reservation of volume: %s (%s)",
@ -246,7 +246,7 @@ func (cs *ControllerServer) CreateVolume(ctx context.Context, req *csi.CreateVol
// Create a volume
err = cs.createBackingVolume(ctx, volOptions, parentVol, vID, pvID, sID, cr)
if err != nil {
if errors.Is(err, ErrCloneInProgress) {
if isCloneRetryError(err) {
return nil, status.Error(codes.Aborted, err.Error())
}
return nil, err

3
internal/cephfs/errors.go
View File

@ -39,6 +39,9 @@ var (
// ErrCloneInProgress is returned when snapshot clone state is `in progress`
ErrCloneInProgress = errors.New("in progress")
// ErrClonePending is returned when snapshot clone state is `pending`
ErrClonePending = errors.New("pending")
// ErrInvalidVolID is returned when a CSI passed VolumeID is not conformant to any known volume ID
// formats.
ErrInvalidVolID = errors.New("invalid VolumeID")

3
internal/cephfs/fsjournal.go
View File

@ -105,6 +105,9 @@ func checkVolExists(ctx context.Context,
if clone.Status.State == cephFSCloneInprogress {
return nil, ErrCloneInProgress
}
if clone.Status.State == cephFSClonePending {
return nil, ErrClonePending
}
if clone.Status.State == cephFSCloneFailed {
err = purgeVolume(ctx, volumeID(vid.FsSubvolName), cr, volOptions, true)
if err != nil {