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243 lines
6.9 KiB
243 lines
6.9 KiB
package weed_server
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import (
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"context"
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"fmt"
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"reflect"
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"strings"
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"sync"
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"time"
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"github.com/seaweedfs/raft"
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"github.com/seaweedfs/seaweedfs/weed/glog"
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"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
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"github.com/seaweedfs/seaweedfs/weed/security"
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"github.com/seaweedfs/seaweedfs/weed/storage/needle"
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"github.com/seaweedfs/seaweedfs/weed/storage/super_block"
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"github.com/seaweedfs/seaweedfs/weed/storage/types"
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)
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func (ms *MasterServer) ProcessGrowRequest() {
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go func() {
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filter := sync.Map{}
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for {
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req, ok := <-ms.volumeGrowthRequestChan
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if !ok {
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break
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}
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option := req.Option
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vl := ms.Topo.GetVolumeLayout(option.Collection, option.ReplicaPlacement, option.Ttl, option.DiskType)
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if !ms.Topo.IsLeader() {
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//discard buffered requests
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time.Sleep(time.Second * 1)
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vl.DoneGrowRequest()
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continue
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}
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// filter out identical requests being processed
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found := false
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filter.Range(func(k, v interface{}) bool {
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if reflect.DeepEqual(k, req) {
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found = true
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}
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return !found
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})
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// not atomic but it's okay
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if !found && vl.ShouldGrowVolumes(option) {
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filter.Store(req, nil)
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// we have lock called inside vg
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go func() {
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glog.V(1).Infoln("starting automatic volume grow")
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start := time.Now()
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newVidLocations, err := ms.vg.AutomaticGrowByType(req.Option, ms.grpcDialOption, ms.Topo, req.Count)
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glog.V(1).Infoln("finished automatic volume grow, cost ", time.Now().Sub(start))
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if err == nil {
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for _, newVidLocation := range newVidLocations {
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ms.broadcastToClients(&master_pb.KeepConnectedResponse{VolumeLocation: newVidLocation})
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}
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} else {
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glog.V(1).Infof("automatic volume grow failed: %+v", err)
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}
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vl.DoneGrowRequest()
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filter.Delete(req)
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}()
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} else {
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glog.V(4).Infoln("discard volume grow request")
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time.Sleep(time.Millisecond * 211)
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vl.DoneGrowRequest()
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}
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}
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}()
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}
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func (ms *MasterServer) LookupVolume(ctx context.Context, req *master_pb.LookupVolumeRequest) (*master_pb.LookupVolumeResponse, error) {
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resp := &master_pb.LookupVolumeResponse{}
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volumeLocations := ms.lookupVolumeId(req.VolumeOrFileIds, req.Collection)
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for _, volumeOrFileId := range req.VolumeOrFileIds {
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vid := volumeOrFileId
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commaSep := strings.Index(vid, ",")
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if commaSep > 0 {
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vid = vid[0:commaSep]
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}
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if result, found := volumeLocations[vid]; found {
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var locations []*master_pb.Location
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for _, loc := range result.Locations {
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locations = append(locations, &master_pb.Location{
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Url: loc.Url,
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PublicUrl: loc.PublicUrl,
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DataCenter: loc.DataCenter,
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})
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}
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var auth string
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if commaSep > 0 { // this is a file id
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auth = string(security.GenJwtForVolumeServer(ms.guard.SigningKey, ms.guard.ExpiresAfterSec, result.VolumeOrFileId))
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}
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resp.VolumeIdLocations = append(resp.VolumeIdLocations, &master_pb.LookupVolumeResponse_VolumeIdLocation{
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VolumeOrFileId: result.VolumeOrFileId,
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Locations: locations,
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Error: result.Error,
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Auth: auth,
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})
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}
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}
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return resp, nil
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}
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func (ms *MasterServer) Statistics(ctx context.Context, req *master_pb.StatisticsRequest) (*master_pb.StatisticsResponse, error) {
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if !ms.Topo.IsLeader() {
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return nil, raft.NotLeaderError
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}
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if req.Replication == "" {
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req.Replication = ms.option.DefaultReplicaPlacement
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}
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replicaPlacement, err := super_block.NewReplicaPlacementFromString(req.Replication)
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if err != nil {
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return nil, err
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}
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ttl, err := needle.ReadTTL(req.Ttl)
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if err != nil {
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return nil, err
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}
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volumeLayout := ms.Topo.GetVolumeLayout(req.Collection, replicaPlacement, ttl, types.ToDiskType(req.DiskType))
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stats := volumeLayout.Stats()
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totalSize := ms.Topo.GetDiskUsages().GetMaxVolumeCount() * int64(ms.option.VolumeSizeLimitMB) * 1024 * 1024
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resp := &master_pb.StatisticsResponse{
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TotalSize: uint64(totalSize),
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UsedSize: stats.UsedSize,
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FileCount: stats.FileCount,
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}
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return resp, nil
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}
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func (ms *MasterServer) VolumeList(ctx context.Context, req *master_pb.VolumeListRequest) (*master_pb.VolumeListResponse, error) {
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if !ms.Topo.IsLeader() {
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return nil, raft.NotLeaderError
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}
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resp := &master_pb.VolumeListResponse{
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TopologyInfo: ms.Topo.ToTopologyInfo(),
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VolumeSizeLimitMb: uint64(ms.option.VolumeSizeLimitMB),
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}
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return resp, nil
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}
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func (ms *MasterServer) LookupEcVolume(ctx context.Context, req *master_pb.LookupEcVolumeRequest) (*master_pb.LookupEcVolumeResponse, error) {
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if !ms.Topo.IsLeader() {
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return nil, raft.NotLeaderError
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}
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resp := &master_pb.LookupEcVolumeResponse{}
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ecLocations, found := ms.Topo.LookupEcShards(needle.VolumeId(req.VolumeId))
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if !found {
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return resp, fmt.Errorf("ec volume %d not found", req.VolumeId)
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}
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resp.VolumeId = req.VolumeId
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for shardId, shardLocations := range ecLocations.Locations {
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var locations []*master_pb.Location
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for _, dn := range shardLocations {
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locations = append(locations, &master_pb.Location{
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Url: string(dn.Id()),
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PublicUrl: dn.PublicUrl,
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DataCenter: dn.GetDataCenterId(),
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})
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}
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resp.ShardIdLocations = append(resp.ShardIdLocations, &master_pb.LookupEcVolumeResponse_EcShardIdLocation{
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ShardId: uint32(shardId),
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Locations: locations,
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})
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}
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return resp, nil
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}
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func (ms *MasterServer) VacuumVolume(ctx context.Context, req *master_pb.VacuumVolumeRequest) (*master_pb.VacuumVolumeResponse, error) {
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if !ms.Topo.IsLeader() {
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return nil, raft.NotLeaderError
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}
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resp := &master_pb.VacuumVolumeResponse{}
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ms.Topo.Vacuum(ms.grpcDialOption, float64(req.GarbageThreshold), req.VolumeId, req.Collection, ms.preallocateSize)
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return resp, nil
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}
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func (ms *MasterServer) DisableVacuum(ctx context.Context, req *master_pb.DisableVacuumRequest) (*master_pb.DisableVacuumResponse, error) {
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ms.Topo.DisableVacuum()
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resp := &master_pb.DisableVacuumResponse{}
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return resp, nil
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}
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func (ms *MasterServer) EnableVacuum(ctx context.Context, req *master_pb.EnableVacuumRequest) (*master_pb.EnableVacuumResponse, error) {
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ms.Topo.EnableVacuum()
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resp := &master_pb.EnableVacuumResponse{}
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return resp, nil
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}
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func (ms *MasterServer) VolumeMarkReadonly(ctx context.Context, req *master_pb.VolumeMarkReadonlyRequest) (*master_pb.VolumeMarkReadonlyResponse, error) {
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if !ms.Topo.IsLeader() {
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return nil, raft.NotLeaderError
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}
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resp := &master_pb.VolumeMarkReadonlyResponse{}
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replicaPlacement, _ := super_block.NewReplicaPlacementFromByte(byte(req.ReplicaPlacement))
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vl := ms.Topo.GetVolumeLayout(req.Collection, replicaPlacement, needle.LoadTTLFromUint32(req.Ttl), types.ToDiskType(req.DiskType))
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dataNodes := ms.Topo.Lookup(req.Collection, needle.VolumeId(req.VolumeId))
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for _, dn := range dataNodes {
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if dn.Ip == req.Ip && dn.Port == int(req.Port) {
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if req.IsReadonly {
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vl.SetVolumeReadOnly(dn, needle.VolumeId(req.VolumeId))
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} else {
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vl.SetVolumeWritable(dn, needle.VolumeId(req.VolumeId))
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}
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}
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}
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return resp, nil
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}
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