EC volume supports expiration and displays expiration message when executing volume.list (#5895)

* ec volume expire

* volume.list show DestroyTime

* comments

* code optimization

---------

Co-authored-by: xuwenfeng <xuwenfeng1@zto.com>

weed/pb/master.proto

@@ -122,6 +122,7 @@ message VolumeEcShardInformationMessage {
   string collection = 2;
   uint32 ec_index_bits = 3;
   string disk_type = 4;
+  uint64 destroy_time = 5; // used to record the destruction time of ec volume
 }
 
 message StorageBackend {

weed/pb/volume_server.proto

@@ -479,6 +479,7 @@ message VolumeInfo {
     string replication = 3;
     uint32 BytesOffset = 4;
     int64 dat_file_size = 5; // used for EC encoded volumes to store the original file size
+    uint64 DestroyTime = 6; // used to record the destruction time of ec volume
 }
 
 // tiered storage

weed/server/volume_grpc_erasure_coding.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"path"
 	"strings"
+	"time"
 
 	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"github.com/seaweedfs/seaweedfs/weed/operation"
@@ -71,11 +72,22 @@ func (vs *VolumeServer) VolumeEcShardsGenerate(ctx context.Context, req *volume_
 	}
 
 	// write .vif files
+	var destroyTime uint64
+	if v.Ttl != nil {
+		ttlMills := v.Ttl.ToSeconds()
+		if ttlMills > 0 {
+			destroyTime = uint64(time.Now().Unix()) + v.Ttl.ToSeconds() //calculated destroy time from the ec volume was created
+		}
+	}
+	volumeInfo := &volume_server_pb.VolumeInfo{Version: uint32(v.Version())}
+	if destroyTime == 0 {
+		glog.Warningf("gen ec volume,cal ec volume destory time fail,set time to 0,ttl:%v", v.Ttl)
+	} else {
+		volumeInfo.DestroyTime = destroyTime
+	}
 	datSize, _, _ := v.FileStat()
-	if err := volume_info.SaveVolumeInfo(baseFileName+".vif", &volume_server_pb.VolumeInfo{
-		Version:     uint32(v.Version()),
-		DatFileSize: int64(datSize),
-	}); err != nil {
+	volumeInfo.DatFileSize = int64(datSize)
+	if err := volume_info.SaveVolumeInfo(baseFileName+".vif", volumeInfo); err != nil {
 		return nil, fmt.Errorf("SaveVolumeInfo %s: %v", baseFileName, err)
 	}
 
@@ -154,7 +166,6 @@ func (vs *VolumeServer) VolumeEcShardsCopy(ctx context.Context, req *volume_serv
 			if _, err := vs.doCopyFile(client, true, req.Collection, req.VolumeId, math.MaxUint32, math.MaxInt64, indexBaseFileName, ".ecx", false, false, nil); err != nil {
 				return err
 			}
-			return nil
 		}
 
 		if req.CopyEcjFile {

weed/shell/command_volume_list.go

@@ -9,6 +9,7 @@ import (
 	"golang.org/x/exp/slices"
 	"path/filepath"
 	"strings"
+	"time"
 
 	"io"
 )
@@ -173,7 +174,13 @@ func (c *commandVolumeList) writeDiskInfo(writer io.Writer, t *master_pb.DiskInf
 		if c.isNotMatchDiskInfo(false, ecShardInfo.Collection, ecShardInfo.Id) {
 			continue
 		}
-		output(verbosityLevel >= 5, writer, "          ec volume id:%v collection:%v shards:%v\n", ecShardInfo.Id, ecShardInfo.Collection, erasure_coding.ShardBits(ecShardInfo.EcIndexBits).ShardIds())
+
+		var destroyTimeDisplay string
+		destroyTime := ecShardInfo.DestroyTime
+		if destroyTime > 0 {
+			destroyTimeDisplay = time.Unix(int64(destroyTime), 0).Format("2006-01-02 15:04:05")
+		}
+		output(verbosityLevel >= 5, writer, "          ec volume id:%v collection:%v shards:%v destroyTime:%s\n", ecShardInfo.Id, ecShardInfo.Collection, erasure_coding.ShardBits(ecShardInfo.EcIndexBits).ShardIds(), destroyTimeDisplay)
 	}
 	output(verbosityLevel >= 4, writer, "        Disk %s %+v \n", diskType, s)
 	return s

weed/storage/disk_location_ec.go

@@ -72,14 +72,14 @@ func (l *DiskLocation) FindEcShard(vid needle.VolumeId, shardId erasure_coding.S
 	return nil, false
 }
 
-func (l *DiskLocation) LoadEcShard(collection string, vid needle.VolumeId, shardId erasure_coding.ShardId) (err error) {
+func (l *DiskLocation) LoadEcShard(collection string, vid needle.VolumeId, shardId erasure_coding.ShardId) (*erasure_coding.EcVolume, error) {
 
 	ecVolumeShard, err := erasure_coding.NewEcVolumeShard(l.DiskType, l.Directory, collection, vid, shardId)
 	if err != nil {
 		if err == os.ErrNotExist {
-			return os.ErrNotExist
+			return nil, os.ErrNotExist
 		}
-		return fmt.Errorf("failed to create ec shard %d.%d: %v", vid, shardId, err)
+		return nil, fmt.Errorf("failed to create ec shard %d.%d: %v", vid, shardId, err)
 	}
 	l.ecVolumesLock.Lock()
 	defer l.ecVolumesLock.Unlock()
@@ -87,13 +87,13 @@ func (l *DiskLocation) LoadEcShard(collection string, vid needle.VolumeId, shard
 	if !found {
 		ecVolume, err = erasure_coding.NewEcVolume(l.DiskType, l.Directory, l.IdxDirectory, collection, vid)
 		if err != nil {
-			return fmt.Errorf("failed to create ec volume %d: %v", vid, err)
+			return nil, fmt.Errorf("failed to create ec volume %d: %v", vid, err)
 		}
 		l.ecVolumes[vid] = ecVolume
 	}
 	ecVolume.AddEcVolumeShard(ecVolumeShard)
 
-	return nil
+	return ecVolume, nil
 }
 
 func (l *DiskLocation) UnloadEcShard(vid needle.VolumeId, shardId erasure_coding.ShardId) bool {
@@ -124,7 +124,7 @@ func (l *DiskLocation) loadEcShards(shards []string, collection string, vid need
 			return fmt.Errorf("failed to parse ec shard name %v: %v", shard, err)
 		}
 
-		err = l.LoadEcShard(collection, vid, erasure_coding.ShardId(shardId))
+		_, err = l.LoadEcShard(collection, vid, erasure_coding.ShardId(shardId))
 		if err != nil {
 			return fmt.Errorf("failed to load ec shard %v: %v", shard, err)
 		}

weed/storage/erasure_coding/ec_volume.go

@@ -3,6 +3,7 @@ package erasure_coding
 import (
 	"errors"
 	"fmt"
+	"github.com/seaweedfs/seaweedfs/weed/glog"
 	"math"
 	"os"
 	"sync"
@@ -20,7 +21,8 @@ import (
 )
 
 var (
-	NotFoundError = errors.New("needle not found")
+	NotFoundError             = errors.New("needle not found")
+	destroyDelaySeconds int64 = 0
 )
 
 type EcVolume struct {
@@ -40,6 +42,7 @@ type EcVolume struct {
 	ecjFileAccessLock         sync.Mutex
 	diskType                  types.DiskType
 	datFileSize               int64
+	DestroyTime               uint64 //ec volume destroy time, calculated from the ec volume was created
 }
 
 func NewEcVolume(diskType types.DiskType, dir string, dirIdx string, collection string, vid needle.VolumeId) (ev *EcVolume, err error) {
@@ -70,7 +73,9 @@ func NewEcVolume(diskType types.DiskType, dir string, dirIdx string, collection
 	if volumeInfo, _, found, _ := volume_info.MaybeLoadVolumeInfo(dataBaseFileName + ".vif"); found {
 		ev.Version = needle.Version(volumeInfo.Version)
 		ev.datFileSize = volumeInfo.DatFileSize
+		ev.DestroyTime = volumeInfo.DestroyTime
 	} else {
+		glog.Warningf("vif file not found,volumeId:%d, filename:%s", vid, dataBaseFileName)
 		volume_info.SaveVolumeInfo(dataBaseFileName+".vif", &volume_server_pb.VolumeInfo{Version: uint32(ev.Version)})
 	}
 
@@ -198,9 +203,10 @@ func (ev *EcVolume) ToVolumeEcShardInformationMessage() (messages []*master_pb.V
 	for _, s := range ev.Shards {
 		if s.VolumeId != prevVolumeId {
 			m = &master_pb.VolumeEcShardInformationMessage{
-				Id:         uint32(s.VolumeId),
-				Collection: s.Collection,
-				DiskType:   string(ev.diskType),
+				Id:          uint32(s.VolumeId),
+				Collection:  s.Collection,
+				DiskType:    string(ev.diskType),
+				DestroyTime: ev.DestroyTime,
 			}
 			messages = append(messages, m)
 		}
@@ -269,3 +275,7 @@ func SearchNeedleFromSortedIndex(ecxFile *os.File, ecxFileSize int64, needleId t
 	err = NotFoundError
 	return
 }
+
+func (ev *EcVolume) IsTimeToDestroy() bool {
+	return ev.DestroyTime > 0 && time.Now().Unix() > (int64(ev.DestroyTime)+destroyDelaySeconds)
+}

weed/storage/erasure_coding/ec_volume_info.go

@@ -7,18 +7,20 @@ import (
 
 // data structure used in master
 type EcVolumeInfo struct {
-	VolumeId   needle.VolumeId
-	Collection string
-	ShardBits  ShardBits
-	DiskType   string
+	VolumeId    needle.VolumeId
+	Collection  string
+	ShardBits   ShardBits
+	DiskType    string
+	DestroyTime uint64 //ec volume destroy time, calculated from the ec volume was created
 }
 
-func NewEcVolumeInfo(diskType string, collection string, vid needle.VolumeId, shardBits ShardBits) *EcVolumeInfo {
+func NewEcVolumeInfo(diskType string, collection string, vid needle.VolumeId, shardBits ShardBits, destroyTime uint64) *EcVolumeInfo {
 	return &EcVolumeInfo{
-		Collection: collection,
-		VolumeId:   vid,
-		ShardBits:  shardBits,
-		DiskType:   diskType,
+		Collection:  collection,
+		VolumeId:    vid,
+		ShardBits:   shardBits,
+		DiskType:    diskType,
+		DestroyTime: destroyTime,
 	}
 }
 
@@ -59,6 +61,7 @@ func (ecInfo *EcVolumeInfo) ToVolumeEcShardInformationMessage() (ret *master_pb.
 		EcIndexBits: uint32(ecInfo.ShardBits),
 		Collection:  ecInfo.Collection,
 		DiskType:    ecInfo.DiskType,
+		DestroyTime: ecInfo.DestroyTime,
 	}
 }
 

weed/storage/needle/volume_ttl.go

@@ -103,6 +103,26 @@ func (t *TTL) String() string {
 	return ""
 }
 
+func (t *TTL) ToSeconds() uint64 {
+	switch t.Unit {
+	case Empty:
+		return 0
+	case Minute:
+		return uint64(t.Count) * 60
+	case Hour:
+		return uint64(t.Count) * 60 * 60
+	case Day:
+		return uint64(t.Count) * 60 * 24 * 60
+	case Week:
+		return uint64(t.Count) * 60 * 24 * 7 * 60
+	case Month:
+		return uint64(t.Count) * 60 * 24 * 30 * 60
+	case Year:
+		return uint64(t.Count) * 60 * 24 * 365 * 60
+	}
+	return 0
+}
+
 func toStoredByte(readableUnitByte byte) byte {
 	switch readableUnitByte {
 	case 'm':

weed/storage/store.go

@@ -336,6 +336,9 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 		}
 	}
 
+	// delete expired ec volumes
+	ecVolumeMessages, deletedEcVolumes := s.deleteExpiredEcVolumes()
+
 	var uuidList []string
 	for _, loc := range s.Locations {
 		uuidList = append(uuidList, loc.DirectoryUuid)
@@ -365,12 +368,34 @@ func (s *Store) CollectHeartbeat() *master_pb.Heartbeat {
 		DataCenter:      s.dataCenter,
 		Rack:            s.rack,
 		Volumes:         volumeMessages,
+		DeletedEcShards: deletedEcVolumes,
 		HasNoVolumes:    len(volumeMessages) == 0,
+		HasNoEcShards:   len(ecVolumeMessages) == 0,
 		LocationUuids:   uuidList,
 	}
 
 }
 
+func (s *Store) deleteExpiredEcVolumes() (ecShards, deleted []*master_pb.VolumeEcShardInformationMessage) {
+	for _, location := range s.Locations {
+		for _, ev := range location.ecVolumes {
+			messages := ev.ToVolumeEcShardInformationMessage()
+			if ev.IsTimeToDestroy() {
+				err := location.deleteEcVolumeById(ev.VolumeId)
+				if err != nil {
+					ecShards = append(ecShards, messages...)
+					glog.Errorf("delete EcVolume err %d: %v", ev.VolumeId, err)
+					continue
+				}
+				deleted = append(deleted, messages...)
+			} else {
+				ecShards = append(ecShards, messages...)
+			}
+		}
+	}
+	return
+}
+
 func (s *Store) SetStopping() {
 	s.isStopping = true
 	for _, location := range s.Locations {

weed/storage/store_ec.go

@@ -50,7 +50,7 @@ func (s *Store) CollectErasureCodingHeartbeat() *master_pb.Heartbeat {
 
 func (s *Store) MountEcShards(collection string, vid needle.VolumeId, shardId erasure_coding.ShardId) error {
 	for _, location := range s.Locations {
-		if err := location.LoadEcShard(collection, vid, shardId); err == nil {
+		if ecVolume, err := location.LoadEcShard(collection, vid, shardId); err == nil {
 			glog.V(0).Infof("MountEcShards %d.%d", vid, shardId)
 
 			var shardBits erasure_coding.ShardBits
@@ -60,6 +60,7 @@ func (s *Store) MountEcShards(collection string, vid needle.VolumeId, shardId er
 				Collection:  collection,
 				EcIndexBits: uint32(shardBits.AddShardId(shardId)),
 				DiskType:    string(location.DiskType),
+				DestroyTime: ecVolume.DestroyTime,
 			}
 			return nil
 		} else if err == os.ErrNotExist {

weed/storage/volume_tier.go

@@ -9,6 +9,7 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/storage/needle"
 	"github.com/seaweedfs/seaweedfs/weed/storage/types"
 	"github.com/seaweedfs/seaweedfs/weed/storage/volume_info"
+	"time"
 )
 
 func (v *Volume) GetVolumeInfo() *volume_server_pb.VolumeInfo {
@@ -72,6 +73,12 @@ func (v *Volume) LoadRemoteFile() error {
 func (v *Volume) SaveVolumeInfo() error {
 
 	tierFileName := v.FileName(".vif")
+	if v.Ttl != nil {
+		ttlSeconds := v.Ttl.ToSeconds()
+		if ttlSeconds > 0 {
+			v.volumeInfo.DestroyTime = uint64(time.Now().Unix()) + ttlSeconds //calculated destroy time from the ec volume was created
+		}
+	}
 
 	return volume_info.SaveVolumeInfo(tierFileName, v.volumeInfo)
 

weed/topology/topology_ec.go

@@ -22,7 +22,8 @@ func (t *Topology) SyncDataNodeEcShards(shardInfos []*master_pb.VolumeEcShardInf
 				shardInfo.DiskType,
 				shardInfo.Collection,
 				needle.VolumeId(shardInfo.Id),
-				erasure_coding.ShardBits(shardInfo.EcIndexBits)))
+				erasure_coding.ShardBits(shardInfo.EcIndexBits),
+				shardInfo.DestroyTime))
 	}
 	// find out the delta volumes
 	newShards, deletedShards = dn.UpdateEcShards(shards)
@@ -44,7 +45,7 @@ func (t *Topology) IncrementalSyncDataNodeEcShards(newEcShards, deletedEcShards
 				shardInfo.DiskType,
 				shardInfo.Collection,
 				needle.VolumeId(shardInfo.Id),
-				erasure_coding.ShardBits(shardInfo.EcIndexBits)))
+				erasure_coding.ShardBits(shardInfo.EcIndexBits), shardInfo.DestroyTime))
 	}
 	for _, shardInfo := range deletedEcShards {
 		deletedShards = append(deletedShards,
@@ -52,7 +53,7 @@ func (t *Topology) IncrementalSyncDataNodeEcShards(newEcShards, deletedEcShards
 				shardInfo.DiskType,
 				shardInfo.Collection,
 				needle.VolumeId(shardInfo.Id),
-				erasure_coding.ShardBits(shardInfo.EcIndexBits)))
+				erasure_coding.ShardBits(shardInfo.EcIndexBits), shardInfo.DestroyTime))
 	}
 
 	dn.DeltaUpdateEcShards(newShards, deletedShards)