cephfs: log clone progress

log cephfs clone progress report during cephfs clone operation Signed-off-by: Nikhil-Ladha <[email protected]>
ceph · Oct 29, 2024 · f7ff8c3 · f7ff8c3
1 parent 7c0aa5f
commit f7ff8c3
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Showing 4 changed files with 42 additions and 19 deletions.
diff --git a/internal/cephfs/core/clone.go b/internal/cephfs/core/clone.go
@@ -28,16 +28,17 @@ import (
 
 // cephFSCloneState describes the status of the clone.
 type cephFSCloneState struct {
-	state    admin.CloneState
-	errno    string
-	errorMsg string
+	state          admin.CloneState
+	progressReport admin.CloneProgressReport
+	errno          string
+	errorMsg       string
 }
 
 // CephFSCloneError indicates that fetching the clone state returned an error.
-var CephFSCloneError = cephFSCloneState{}
+var CephFSCloneError = &cephFSCloneState{}
 
 // ToError checks the state of the clone if it's not cephFSCloneComplete.
-func (cs cephFSCloneState) ToError() error {
+func (cs *cephFSCloneState) ToError() error {
 	switch cs.state {
 	case admin.CloneComplete:
 		return nil
@@ -54,6 +55,14 @@ func (cs cephFSCloneState) ToError() error {
 	return nil
 }
 
+func (cs *cephFSCloneState) GetProgressReport() admin.CloneProgressReport {
+	return admin.CloneProgressReport{
+		PercentageCloned: cs.progressReport.PercentageCloned,
+		AmountCloned:     cs.progressReport.AmountCloned,
+		FilesCloned:      cs.progressReport.FilesCloned,
+	}
+}
+
 // CreateCloneFromSubvolume creates a clone from a subvolume.
 func (s *subVolumeClient) CreateCloneFromSubvolume(
 	ctx context.Context,
@@ -87,7 +96,7 @@ func (s *subVolumeClient) CreateCloneFromSubvolume(
 		return err
 	}
 
-	var cloneState cephFSCloneState
+	var cloneState *cephFSCloneState
 	cloneState, err = s.GetCloneState(ctx)
 	if err != nil {
 		log.ErrorLog(ctx, "failed to get clone state: %v", err)
@@ -157,7 +166,7 @@ func (s *subVolumeClient) CreateCloneFromSnapshot(
 			}
 		}
 	}()
-	var cloneState cephFSCloneState
+	var cloneState *cephFSCloneState
 	// avoid err variable shadowing
 	cloneState, err = s.GetCloneState(ctx)
 	if err != nil {
@@ -182,7 +191,7 @@ func (s *subVolumeClient) CreateCloneFromSnapshot(
 }
 
 // GetCloneState returns the clone state of the subvolume.
-func (s *subVolumeClient) GetCloneState(ctx context.Context) (cephFSCloneState, error) {
+func (s *subVolumeClient) GetCloneState(ctx context.Context) (*cephFSCloneState, error) {
 	fsa, err := s.conn.GetFSAdmin()
 	if err != nil {
 		log.ErrorLog(
@@ -209,10 +218,11 @@ func (s *subVolumeClient) GetCloneState(ctx context.Context) (cephFSCloneState,
 		errStr = failure.ErrStr
 	}
 
-	state := cephFSCloneState{
-		state:    cs.State,
-		errno:    errno,
-		errorMsg: errStr,
+	state := &cephFSCloneState{
+		state:          cs.State,
+		progressReport: cs.ProgressReport,
+		errno:          errno,
+		errorMsg:       errStr,
 	}
 
 	return state, nil

diff --git a/internal/cephfs/core/clone_test.go b/internal/cephfs/core/clone_test.go
@@ -28,11 +28,11 @@ import (
 func TestCloneStateToError(t *testing.T) {
 	t.Parallel()
 	errorState := make(map[cephFSCloneState]error)
-	errorState[cephFSCloneState{fsa.CloneComplete, "", ""}] = nil
-	errorState[CephFSCloneError] = cerrors.ErrInvalidClone
-	errorState[cephFSCloneState{fsa.CloneInProgress, "", ""}] = cerrors.ErrCloneInProgress
-	errorState[cephFSCloneState{fsa.ClonePending, "", ""}] = cerrors.ErrClonePending
-	errorState[cephFSCloneState{fsa.CloneFailed, "", ""}] = cerrors.ErrCloneFailed
+	errorState[cephFSCloneState{fsa.CloneComplete, fsa.CloneProgressReport{}, "", ""}] = nil
+	errorState[*CephFSCloneError] = cerrors.ErrInvalidClone
+	errorState[cephFSCloneState{fsa.CloneInProgress, fsa.CloneProgressReport{}, "", ""}] = cerrors.ErrCloneInProgress
+	errorState[cephFSCloneState{fsa.ClonePending, fsa.CloneProgressReport{}, "", ""}] = cerrors.ErrClonePending
+	errorState[cephFSCloneState{fsa.CloneFailed, fsa.CloneProgressReport{}, "", ""}] = cerrors.ErrCloneFailed
 
 	for state, err := range errorState {
 		require.ErrorIs(t, state.ToError(), err)

diff --git a/internal/cephfs/core/volume.go b/internal/cephfs/core/volume.go
@@ -75,7 +75,7 @@ type SubVolumeClient interface {
 	// CreateCloneFromSubVolume creates a clone from the subvolume.
 	CreateCloneFromSubvolume(ctx context.Context, parentvolOpt *SubVolume) error
 	// GetCloneState returns the clone state of the subvolume.
-	GetCloneState(ctx context.Context) (cephFSCloneState, error)
+	GetCloneState(ctx context.Context) (*cephFSCloneState, error)
 	// CreateCloneFromSnapshot creates a clone from the subvolume snapshot.
 	CreateCloneFromSnapshot(ctx context.Context, snap Snapshot) error
 	// CleanupSnapshotFromSubvolume removes the snapshot from the subvolume.

diff --git a/internal/cephfs/store/fsjournal.go b/internal/cephfs/store/fsjournal.go
@@ -128,7 +128,20 @@ func CheckVolExists(ctx context.Context,
 		}
 		err = cloneState.ToError()
 		if errors.Is(err, cerrors.ErrCloneInProgress) {
-			return nil, err
+			progressReport := cloneState.GetProgressReport()
+			if progressReport.PercentageCloned == "" || progressReport.AmountCloned == "" ||
+				progressReport.FilesCloned == "" {
+				return nil, err
+			} else {
+				err = fmt.Errorf("%w. progress report: percentage cloned=%s, amount cloned=%s, files cloned=%s",
+					err,
+					progressReport.PercentageCloned,
+					progressReport.AmountCloned,
+					progressReport.FilesCloned)
+				log.UsefulLog(ctx, err.Error())
+
+				return nil, err
+			}
 		}
 		if errors.Is(err, cerrors.ErrClonePending) {
 			return nil, err