ebs br: control the snapshots batch size for fsr enable/disable (pingcap#48506) (pingcap#48526)

close pingcap#48505

Author: ti-chi-bot

br/pkg/aws/ebs.go

@@ -27,6 +27,7 @@ import (
 const (
 	pollingPendingSnapshotInterval = 30 * time.Second
 	errCodeTooManyPendingSnapshots = "PendingSnapshotLimitExceeded"
+	FsrApiSnapshotsThreshold       = 10
 )
 
 type EC2Session struct {
@@ -294,24 +295,32 @@ func (e *EC2Session) EnableDataFSR(meta *config.EBSBasedBRMeta, targetAZ string)
 
 	for availableZone := range snapshotsIDsMap {
 		targetAZ := availableZone
-		eg.Go(func() error {
-			log.Info("enable fsr for snapshots", zap.String("available zone", targetAZ))
-			resp, err := e.ec2.EnableFastSnapshotRestores(&ec2.EnableFastSnapshotRestoresInput{
-				AvailabilityZones: []*string{&targetAZ},
-				SourceSnapshotIds: snapshotsIDsMap[targetAZ],
-			})
-
-			if err != nil {
-				return errors.Trace(err)
+		// We have to control the batch size to avoid the error of "parameter SourceSnapshotIds must be less than or equal to 10"
+		for i := 0; i < len(snapshotsIDsMap[targetAZ]); i += FsrApiSnapshotsThreshold {
+			start := i
+			end := i + FsrApiSnapshotsThreshold
+			if end > len(snapshotsIDsMap[targetAZ]) {
+				end = len(snapshotsIDsMap[targetAZ])
 			}
+			eg.Go(func() error {
+				log.Info("enable fsr for snapshots", zap.String("available zone", targetAZ), zap.Any("snapshots", snapshotsIDsMap[targetAZ][start:end]))
+				resp, err := e.ec2.EnableFastSnapshotRestores(&ec2.EnableFastSnapshotRestoresInput{
+					AvailabilityZones: []*string{&targetAZ},
+					SourceSnapshotIds: snapshotsIDsMap[targetAZ][start:end],
+				})
 
-			if len(resp.Unsuccessful) > 0 {
-				log.Warn("not all snapshots enabled FSR")
-				return errors.Errorf("Some snapshot fails to enable FSR for available zone %s, such as %s, error code is %v", targetAZ, *resp.Unsuccessful[0].SnapshotId, resp.Unsuccessful[0].FastSnapshotRestoreStateErrors)
-			}
+				if err != nil {
+					return errors.Trace(err)
+				}
 
-			return e.waitDataFSREnabled(snapshotsIDsMap[targetAZ], targetAZ)
-		})
+				if len(resp.Unsuccessful) > 0 {
+					log.Warn("not all snapshots enabled FSR")
+					return errors.Errorf("Some snapshot fails to enable FSR for available zone %s, such as %s, error code is %v", targetAZ, *resp.Unsuccessful[0].SnapshotId, resp.Unsuccessful[0].FastSnapshotRestoreStateErrors)
+				}
+
+				return e.waitDataFSREnabled(snapshotsIDsMap[targetAZ][start:end], targetAZ)
+			})
+		}
 	}
 	return snapshotsIDsMap, eg.Wait()
 }
@@ -329,7 +338,7 @@ func (e *EC2Session) waitDataFSREnabled(snapShotIDs []*string, targetAZ string)
 	log.Info("starts check fsr pending snapshots", zap.Any("snapshots", pendingSnapshots), zap.String("available zone", targetAZ))
 	for {
 		if len(pendingSnapshots) == 0 {
-			log.Info("all snapshots fsr enablement is finished", zap.String("available zone", targetAZ))
+			log.Info("all snapshots in current batch fsr enablement is finished", zap.String("available zone", targetAZ), zap.Any("snapshots", snapShotIDs))
 			return nil
 		}
 
@@ -380,25 +389,33 @@ func (e *EC2Session) DisableDataFSR(snapshotsIDsMap map[string][]*string) error
 
 	for availableZone := range snapshotsIDsMap {
 		targetAZ := availableZone
-		eg.Go(func() error {
-			resp, err := e.ec2.DisableFastSnapshotRestores(&ec2.DisableFastSnapshotRestoresInput{
-				AvailabilityZones: []*string{&targetAZ},
-				SourceSnapshotIds: snapshotsIDsMap[targetAZ],
-			})
-
-			if err != nil {
-				return errors.Trace(err)
+		// We have to control the batch size to avoid the error of "parameter SourceSnapshotIds must be less than or equal to 10"
+		for i := 0; i < len(snapshotsIDsMap[targetAZ]); i += FsrApiSnapshotsThreshold {
+			start := i
+			end := i + FsrApiSnapshotsThreshold
+			if end > len(snapshotsIDsMap[targetAZ]) {
+				end = len(snapshotsIDsMap[targetAZ])
 			}
+			eg.Go(func() error {
+				resp, err := e.ec2.DisableFastSnapshotRestores(&ec2.DisableFastSnapshotRestoresInput{
+					AvailabilityZones: []*string{&targetAZ},
+					SourceSnapshotIds: snapshotsIDsMap[targetAZ][start:end],
+				})
 
-			if len(resp.Unsuccessful) > 0 {
-				log.Warn("not all snapshots disabled FSR", zap.String("available zone", targetAZ))
-				return errors.Errorf("Some snapshot fails to disable FSR for available zone %s, such as %s, error code is %v", targetAZ, *resp.Unsuccessful[0].SnapshotId, resp.Unsuccessful[0].FastSnapshotRestoreStateErrors)
-			}
+				if err != nil {
+					return errors.Trace(err)
+				}
 
-			log.Info("Disable FSR issued", zap.String("available zone", targetAZ))
+				if len(resp.Unsuccessful) > 0 {
+					log.Warn("not all snapshots disabled FSR", zap.String("available zone", targetAZ))
+					return errors.Errorf("Some snapshot fails to disable FSR for available zone %s, such as %s, error code is %v", targetAZ, *resp.Unsuccessful[0].SnapshotId, resp.Unsuccessful[0].FastSnapshotRestoreStateErrors)
+				}
 
-			return nil
-		})
+				log.Info("Disable FSR issued", zap.String("available zone", targetAZ), zap.Any("snapshots", snapshotsIDsMap[targetAZ][start:end]))
+
+				return nil
+			})
+		}
 	}
 	return eg.Wait()
 }

br/pkg/task/restore_ebs_meta.go

@@ -241,10 +241,11 @@ func (h *restoreEBSMetaHelper) restoreVolumes(progress glue.Progress) (map[strin
 			log.Error("failed to create all volumes, cleaning up created volume")
 			ec2Session.DeleteVolumes(volumeIDMap)
 		}
-
 		if h.cfg.UseFSR {
 			err = ec2Session.DisableDataFSR(snapshotsIDsMap)
-			log.Error("disable fsr failed", zap.Error(err))
+			if err != nil {
+				log.Error("disable fsr failed", zap.Error(err))
+			}
 		}
 	}()