ebs br: provide fsr warmup to tikv data volumes (pingcap#47272) (ping…

…cap#48052)

br/pkg/aws/ebs.go

@@ -282,6 +282,152 @@ func (e *EC2Session) DeleteSnapshots(snapIDMap map[string]string) {
 	log.Info("delete snapshot end", zap.Int("need-to-del", len(snapIDMap)), zap.Int32("deleted", deletedCnt.Load()))
 }
 
+// EnableDataFSR enables FSR for data volume snapshots
+func (e *EC2Session) EnableDataFSR(meta *config.EBSBasedBRMeta, targetAZ string) (map[string][]*string, error) {
+	snapshotsIDsMap := fetchTargetSnapshots(meta, targetAZ)
+
+	if len(snapshotsIDsMap) == 0 {
+		return snapshotsIDsMap, errors.Errorf("empty backup meta")
+	}
+
+	eg, _ := errgroup.WithContext(context.Background())
+
+	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)
+			}
+
+			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], targetAZ)
+		})
+	}
+	return snapshotsIDsMap, eg.Wait()
+}
+
+// waitDataFSREnabled waits FSR for data volume snapshots are all enabled
+func (e *EC2Session) waitDataFSREnabled(snapShotIDs []*string, targetAZ string) error {
+	// Create a map to store the strings as keys
+	pendingSnapshots := make(map[string]struct{})
+
+	// Populate the map with the strings from the array
+	for _, str := range snapShotIDs {
+		pendingSnapshots[*str] = struct{}{}
+	}
+
+	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))
+			return nil
+		}
+
+		// check pending snapshots every 1 minute
+		time.Sleep(1 * time.Minute)
+		log.Info("check snapshots not fsr enabled", zap.Int("count", len(pendingSnapshots)))
+		input := &ec2.DescribeFastSnapshotRestoresInput{
+			Filters: []*ec2.Filter{
+				{
+					Name:   aws.String("state"),
+					Values: []*string{aws.String("disabled"), aws.String("disabling"), aws.String("enabling"), aws.String("optimizing")},
+				},
+				{
+					Name:   aws.String("availability-zone"),
+					Values: []*string{aws.String(targetAZ)},
+				},
+			},
+		}
+
+		result, err := e.ec2.DescribeFastSnapshotRestores(input)
+		if err != nil {
+			return errors.Trace(err)
+		}
+
+		uncompletedSnapshots := make(map[string]struct{})
+		for _, fastRestore := range result.FastSnapshotRestores {
+			_, found := pendingSnapshots[*fastRestore.SnapshotId]
+			if found {
+				// Detect some conflict states
+				if strings.EqualFold(*fastRestore.State, "disabled") || strings.EqualFold(*fastRestore.State, "disabling") {
+					log.Error("detect conflict status", zap.String("snapshot", *fastRestore.SnapshotId), zap.String("status", *fastRestore.State))
+					return errors.Errorf("status of snapshot %s is %s ", *fastRestore.SnapshotId, *fastRestore.State)
+				}
+				uncompletedSnapshots[*fastRestore.SnapshotId] = struct{}{}
+			}
+		}
+		pendingSnapshots = uncompletedSnapshots
+	}
+}
+
+// DisableDataFSR disables FSR for data volume snapshots
+func (e *EC2Session) DisableDataFSR(snapshotsIDsMap map[string][]*string) error {
+	if len(snapshotsIDsMap) == 0 {
+		return nil
+	}
+
+	eg, _ := errgroup.WithContext(context.Background())
+
+	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)
+			}
+
+			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)
+			}
+
+			log.Info("Disable FSR issued", zap.String("available zone", targetAZ))
+
+			return nil
+		})
+	}
+	return eg.Wait()
+}
+
+func fetchTargetSnapshots(meta *config.EBSBasedBRMeta, specifiedAZ string) map[string][]*string {
+	var sourceSnapshotIDs = make(map[string][]*string)
+
+	if len(meta.TiKVComponent.Stores) == 0 {
+		return sourceSnapshotIDs
+	}
+
+	for i := range meta.TiKVComponent.Stores {
+		store := meta.TiKVComponent.Stores[i]
+		for j := range store.Volumes {
+			oldVol := store.Volumes[j]
+			// Handle data volume snapshots only
+			if strings.Compare(oldVol.Type, "storage.data-dir") == 0 {
+				if specifiedAZ != "" {
+					sourceSnapshotIDs[specifiedAZ] = append(sourceSnapshotIDs[specifiedAZ], &oldVol.SnapshotID)
+				} else {
+					sourceSnapshotIDs[oldVol.VolumeAZ] = append(sourceSnapshotIDs[oldVol.VolumeAZ], &oldVol.SnapshotID)
+				}
+			}
+		}
+	}
+
+	return sourceSnapshotIDs
+}
+
 // CreateVolumes create volumes from snapshots
 // if err happens in the middle, return half-done result
 // returned map: store id -> old volume id -> new volume id
@@ -378,7 +524,7 @@ func (e *EC2Session) WaitVolumesCreated(volumeIDMap map[string]string, progress
 	for len(pendingVolumes) > 0 {
 		// check every 5 seconds
 		time.Sleep(5 * time.Second)
-		log.Info("check pending snapshots", zap.Int("count", len(pendingVolumes)))
+		log.Info("check pending volumes", zap.Int("count", len(pendingVolumes)))
 		resp, err := e.ec2.DescribeVolumes(&ec2.DescribeVolumesInput{
 			VolumeIds: pendingVolumes,
 		})

br/pkg/config/ebs.go

@@ -100,6 +100,14 @@ func (c *EBSBasedBRMeta) GetStoreCount() uint64 {
 	return uint64(len(c.TiKVComponent.Stores))
 }
 
+func (c *EBSBasedBRMeta) GetTiKVVolumeCount() uint64 {
+	if c.TiKVComponent == nil || len(c.TiKVComponent.Stores) == 0 {
+		return 0
+	}
+	// Assume TiKV nodes are symmetric
+	return uint64(len(c.TiKVComponent.Stores[0].Volumes))
+}
+
 func (c *EBSBasedBRMeta) String() string {
 	cfg, err := json.Marshal(c)
 	if err != nil {

br/pkg/task/common.go

@@ -80,6 +80,7 @@ const (
 	flagDryRun            = "dry-run"
 	// TODO used for local test, should be removed later
 	flagSkipAWS                       = "skip-aws"
+	flagUseFSR                        = "use-fsr"
 	flagCloudAPIConcurrency           = "cloud-api-concurrency"
 	flagWithSysTable                  = "with-sys-table"
 	flagOperatorPausedGCAndSchedulers = "operator-paused-gc-and-scheduler"

br/pkg/task/restore.go

@@ -139,6 +139,7 @@ func DefineRestoreCommonFlags(flags *pflag.FlagSet) {
 		"batch size for ddl to create a batch of tables once.")
 	flags.Bool(flagWithSysTable, false, "whether restore system privilege tables on default setting")
 	flags.StringArrayP(FlagResetSysUsers, "", []string{"cloud_admin", "root"}, "whether reset these users after restoration")
+	flags.Bool(flagUseFSR, false, "whether enable FSR for AWS snapshots")
 	_ = flags.MarkHidden(FlagResetSysUsers)
 	_ = flags.MarkHidden(FlagMergeRegionSizeBytes)
 	_ = flags.MarkHidden(FlagMergeRegionKeyCount)
@@ -218,6 +219,7 @@ type RestoreConfig struct {
 	VolumeThroughput    int64                 `json:"volume-throughput" toml:"volume-throughput"`
 	ProgressFile        string                `json:"progress-file" toml:"progress-file"`
 	TargetAZ            string                `json:"target-az" toml:"target-az"`
+	UseFSR              bool                  `json:"use-fsr" toml:"use-fsr"`
 }
 
 // DefineRestoreFlags defines common flags for the restore tidb command.
@@ -391,6 +393,11 @@ func (cfg *RestoreConfig) ParseFromFlags(flags *pflag.FlagSet) error {
 			return errors.Trace(err)
 		}
 
+		cfg.UseFSR, err = flags.GetBool(flagUseFSR)
+		if err != nil {
+			return errors.Trace(err)
+		}
+
 		// iops: gp3 [3,000-16,000]; io1/io2 [100-32,000]
 		// throughput: gp3 [125, 1000]; io1/io2 cannot set throughput
 		// io1 and io2 volumes support up to 64,000 IOPS only on Instances built on the Nitro System.

br/pkg/task/restore_data.go

@@ -159,23 +159,17 @@ func RunResolveKvData(c context.Context, g glue.Glue, cmdName string, cfg *Resto
 
 	//TODO: restore volume type into origin type
 	//ModifyVolume(*ec2.ModifyVolumeInput) (*ec2.ModifyVolumeOutput, error) by backupmeta
-	// this is used for cloud restoration
+
 	err = client.Init(g, mgr.GetStorage())
 	if err != nil {
 		return errors.Trace(err)
 	}
 	defer client.Close()
-	log.Info("start to clear system user for cloud")
-	err = client.ClearSystemUsers(ctx, cfg.ResetSysUsers)
-
-	if err != nil {
-		return errors.Trace(err)
-	}
-
 	// since we cannot reset tiflash automaticlly. so we should start it manually
 	if err = client.ResetTiFlashReplicas(ctx, g, mgr.GetStorage()); err != nil {
 		return errors.Trace(err)
 	}
+
 	progress.Close()
 	summary.CollectDuration("restore duration", time.Since(startAll))
 	summary.SetSuccessStatus(true)

br/pkg/task/restore_ebs_meta.go

@@ -175,10 +175,10 @@ func (h *restoreEBSMetaHelper) restore() error {
 		return errors.Trace(err)
 	}
 
-	storeCount := h.metaInfo.GetStoreCount()
-	progress := h.g.StartProgress(ctx, h.cmdName, int64(storeCount), !h.cfg.LogProgress)
+	volumeCount := h.metaInfo.GetStoreCount() * h.metaInfo.GetTiKVVolumeCount()
+	progress := h.g.StartProgress(ctx, h.cmdName, int64(volumeCount), !h.cfg.LogProgress)
 	defer progress.Close()
-	go progressFileWriterRoutine(ctx, progress, int64(storeCount), h.cfg.ProgressFile)
+	go progressFileWriterRoutine(ctx, progress, int64(volumeCount), h.cfg.ProgressFile)
 
 	resolvedTs = h.metaInfo.ClusterInfo.ResolvedTS
 	if totalSize, err = h.doRestore(ctx, progress); err != nil {
@@ -226,6 +226,8 @@ func (h *restoreEBSMetaHelper) restoreVolumes(progress glue.Progress) (map[strin
 		volumeIDMap = make(map[string]string)
 		err         error
 		totalSize   int64
+		// a map whose key is available zone, and value is the snapshot id array
+		snapshotsIDsMap = make(map[string][]*string)
 	)
 	ec2Session, err = aws.NewEC2Session(h.cfg.CloudAPIConcurrency, h.cfg.S3.Region)
 	if err != nil {
@@ -236,7 +238,21 @@ 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))
+		}
 	}()
+
+	// Turn on FSR for TiKV data snapshots
+	if h.cfg.UseFSR {
+		snapshotsIDsMap, err = ec2Session.EnableDataFSR(h.metaInfo, h.cfg.TargetAZ)
+		if err != nil {
+			return nil, 0, errors.Trace(err)
+		}
+	}
+
 	volumeIDMap, err = ec2Session.CreateVolumes(h.metaInfo,
 		string(h.cfg.VolumeType), h.cfg.VolumeIOPS, h.cfg.VolumeThroughput, h.cfg.TargetAZ)
 	if err != nil {