package command import ( "fmt" "net/http" httppprof "net/http/pprof" "os" "runtime/pprof" "strconv" "strings" "time" "github.com/seaweedfs/seaweedfs/weed/storage/types" "github.com/spf13/viper" "google.golang.org/grpc" "github.com/seaweedfs/seaweedfs/weed/util/grace" "github.com/seaweedfs/seaweedfs/weed/pb" "github.com/seaweedfs/seaweedfs/weed/security" "github.com/seaweedfs/seaweedfs/weed/server/constants" "github.com/seaweedfs/seaweedfs/weed/util/httpdown" "google.golang.org/grpc/reflection" "github.com/seaweedfs/seaweedfs/weed/glog" "github.com/seaweedfs/seaweedfs/weed/pb/volume_server_pb" weed_server "github.com/seaweedfs/seaweedfs/weed/server" stats_collect "github.com/seaweedfs/seaweedfs/weed/stats" "github.com/seaweedfs/seaweedfs/weed/storage" "github.com/seaweedfs/seaweedfs/weed/util" ) var ( v VolumeServerOptions ) type VolumeServerOptions struct { port *int portGrpc *int publicPort *int folders []string folderMaxLimits []int32 idxFolder *string ip *string publicUrl *string bindIp *string mastersString *string masters []pb.ServerAddress idleConnectionTimeout *int dataCenter *string rack *string whiteList []string indexType *string diskType *string fixJpgOrientation *bool readMode *string cpuProfile *string memProfile *string compactionMBPerSecond *int fileSizeLimitMB *int concurrentUploadLimitMB *int concurrentDownloadLimitMB *int pprof *bool preStopSeconds *int metricsHttpPort *int // pulseSeconds *int inflightUploadDataTimeout *time.Duration hasSlowRead *bool readBufferSizeMB *int ldbTimeout *int64 } func init() { cmdVolume.Run = runVolume // break init cycle v.port = cmdVolume.Flag.Int("port", 8080, "http listen port") v.portGrpc = cmdVolume.Flag.Int("port.grpc", 0, "grpc listen port") v.publicPort = cmdVolume.Flag.Int("port.public", 0, "port opened to public") v.ip = cmdVolume.Flag.String("ip", util.DetectedHostAddress(), "ip or server name, also used as identifier") v.publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible address") v.bindIp = cmdVolume.Flag.String("ip.bind", "", "ip address to bind to. If empty, default to same as -ip option.") v.mastersString = cmdVolume.Flag.String("mserver", "localhost:9333", "comma-separated master servers") v.preStopSeconds = cmdVolume.Flag.Int("preStopSeconds", 10, "number of seconds between stop send heartbeats and stop volume server") // v.pulseSeconds = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than or equal to the master's setting") v.idleConnectionTimeout = cmdVolume.Flag.Int("idleTimeout", 30, "connection idle seconds") v.dataCenter = cmdVolume.Flag.String("dataCenter", "", "current volume server's data center name") v.rack = cmdVolume.Flag.String("rack", "", "current volume server's rack name") v.indexType = cmdVolume.Flag.String("index", "memory", "Choose [memory|leveldb|leveldbMedium|leveldbLarge] mode for memory~performance balance.") v.diskType = cmdVolume.Flag.String("disk", "", "[hdd|ssd|<tag>] hard drive or solid state drive or any tag") v.fixJpgOrientation = cmdVolume.Flag.Bool("images.fix.orientation", false, "Adjust jpg orientation when uploading.") v.readMode = cmdVolume.Flag.String("readMode", "proxy", "[local|proxy|redirect] how to deal with non-local volume: 'not found|proxy to remote node|redirect volume location'.") v.cpuProfile = cmdVolume.Flag.String("cpuprofile", "", "cpu profile output file") v.memProfile = cmdVolume.Flag.String("memprofile", "", "memory profile output file") v.compactionMBPerSecond = cmdVolume.Flag.Int("compactionMBps", 0, "limit background compaction or copying speed in mega bytes per second") v.fileSizeLimitMB = cmdVolume.Flag.Int("fileSizeLimitMB", 256, "limit file size to avoid out of memory") v.ldbTimeout = cmdVolume.Flag.Int64("index.leveldbTimeout", 0, "alive time for leveldb (default to 0). If leveldb of volume is not accessed in ldbTimeout hours, it will be off loaded to reduce opened files and memory consumption.") v.concurrentUploadLimitMB = cmdVolume.Flag.Int("concurrentUploadLimitMB", 256, "limit total concurrent upload size") v.concurrentDownloadLimitMB = cmdVolume.Flag.Int("concurrentDownloadLimitMB", 256, "limit total concurrent download size") v.pprof = cmdVolume.Flag.Bool("pprof", false, "enable pprof http handlers. precludes --memprofile and --cpuprofile") v.metricsHttpPort = cmdVolume.Flag.Int("metricsPort", 0, "Prometheus metrics listen port") v.idxFolder = cmdVolume.Flag.String("dir.idx", "", "directory to store .idx files") v.inflightUploadDataTimeout = cmdVolume.Flag.Duration("inflightUploadDataTimeout", 60*time.Second, "inflight upload data wait timeout of volume servers") v.hasSlowRead = cmdVolume.Flag.Bool("hasSlowRead", true, "<experimental> if true, this prevents slow reads from blocking other requests, but large file read P99 latency will increase.") v.readBufferSizeMB = cmdVolume.Flag.Int("readBufferSizeMB", 4, "<experimental> larger values can optimize query performance but will increase some memory usage,Use with hasSlowRead normally.") } var cmdVolume = &Command{ UsageLine: "volume -port=8080 -dir=/tmp -max=5 -ip=server_name -mserver=localhost:9333", Short: "start a volume server", Long: `start a volume server to provide storage spaces `, } var ( volumeFolders = cmdVolume.Flag.String("dir", os.TempDir(), "directories to store data files. dir[,dir]...") maxVolumeCounts = cmdVolume.Flag.String("max", "8", "maximum numbers of volumes, count[,count]... If set to zero, the limit will be auto configured as free disk space divided by volume size.") volumeWhiteListOption = cmdVolume.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.") minFreeSpacePercent = cmdVolume.Flag.String("minFreeSpacePercent", "1", "minimum free disk space (default to 1%). Low disk space will mark all volumes as ReadOnly (deprecated, use minFreeSpace instead).") minFreeSpace = cmdVolume.Flag.String("minFreeSpace", "", "min free disk space (value<=100 as percentage like 1, other as human readable bytes, like 10GiB). Low disk space will mark all volumes as ReadOnly.") ) func runVolume(cmd *Command, args []string) bool { util.LoadConfiguration("security", false) // If --pprof is set we assume the caller wants to be able to collect // cpu and memory profiles via go tool pprof if !*v.pprof { grace.SetupProfiling(*v.cpuProfile, *v.memProfile) } go stats_collect.StartMetricsServer(*v.bindIp, *v.metricsHttpPort) minFreeSpaces := util.MustParseMinFreeSpace(*minFreeSpace, *minFreeSpacePercent) v.masters = pb.ServerAddresses(*v.mastersString).ToAddresses() v.startVolumeServer(*volumeFolders, *maxVolumeCounts, *volumeWhiteListOption, minFreeSpaces) return true } func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, volumeWhiteListOption string, minFreeSpaces []util.MinFreeSpace) { // Set multiple folders and each folder's max volume count limit' v.folders = strings.Split(volumeFolders, ",") for _, folder := range v.folders { if err := util.TestFolderWritable(util.ResolvePath(folder)); err != nil { glog.Fatalf("Check Data Folder(-dir) Writable %s : %s", folder, err) } } // set max maxCountStrings := strings.Split(maxVolumeCounts, ",") for _, maxString := range maxCountStrings { if max, e := strconv.ParseInt(maxString, 10, 64); e == nil { v.folderMaxLimits = append(v.folderMaxLimits, int32(max)) } else { glog.Fatalf("The max specified in -max not a valid number %s", maxString) } } if len(v.folderMaxLimits) == 1 && len(v.folders) > 1 { for i := 0; i < len(v.folders)-1; i++ { v.folderMaxLimits = append(v.folderMaxLimits, v.folderMaxLimits[0]) } } if len(v.folders) != len(v.folderMaxLimits) { glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(v.folders), len(v.folderMaxLimits)) } if len(minFreeSpaces) == 1 && len(v.folders) > 1 { for i := 0; i < len(v.folders)-1; i++ { minFreeSpaces = append(minFreeSpaces, minFreeSpaces[0]) } } if len(v.folders) != len(minFreeSpaces) { glog.Fatalf("%d directories by -dir, but only %d minFreeSpacePercent is set by -minFreeSpacePercent", len(v.folders), len(minFreeSpaces)) } // set disk types var diskTypes []types.DiskType diskTypeStrings := strings.Split(*v.diskType, ",") for _, diskTypeString := range diskTypeStrings { diskTypes = append(diskTypes, types.ToDiskType(diskTypeString)) } if len(diskTypes) == 1 && len(v.folders) > 1 { for i := 0; i < len(v.folders)-1; i++ { diskTypes = append(diskTypes, diskTypes[0]) } } if len(v.folders) != len(diskTypes) { glog.Fatalf("%d directories by -dir, but only %d disk types is set by -disk", len(v.folders), len(diskTypes)) } // security related white list configuration v.whiteList = util.StringSplit(volumeWhiteListOption, ",") if *v.ip == "" { *v.ip = util.DetectedHostAddress() glog.V(0).Infof("detected volume server ip address: %v", *v.ip) } if *v.bindIp == "" { *v.bindIp = *v.ip } if *v.publicPort == 0 { *v.publicPort = *v.port } if *v.portGrpc == 0 { *v.portGrpc = 10000 + *v.port } if *v.publicUrl == "" { *v.publicUrl = util.JoinHostPort(*v.ip, *v.publicPort) } volumeMux := http.NewServeMux() publicVolumeMux := volumeMux if v.isSeparatedPublicPort() { publicVolumeMux = http.NewServeMux() } if *v.pprof { volumeMux.HandleFunc("/debug/pprof/", httppprof.Index) volumeMux.HandleFunc("/debug/pprof/cmdline", httppprof.Cmdline) volumeMux.HandleFunc("/debug/pprof/profile", httppprof.Profile) volumeMux.HandleFunc("/debug/pprof/symbol", httppprof.Symbol) volumeMux.HandleFunc("/debug/pprof/trace", httppprof.Trace) } volumeNeedleMapKind := storage.NeedleMapInMemory switch *v.indexType { case "leveldb": volumeNeedleMapKind = storage.NeedleMapLevelDb case "leveldbMedium": volumeNeedleMapKind = storage.NeedleMapLevelDbMedium case "leveldbLarge": volumeNeedleMapKind = storage.NeedleMapLevelDbLarge } volumeServer := weed_server.NewVolumeServer(volumeMux, publicVolumeMux, *v.ip, *v.port, *v.portGrpc, *v.publicUrl, v.folders, v.folderMaxLimits, minFreeSpaces, diskTypes, *v.idxFolder, volumeNeedleMapKind, v.masters, constants.VolumePulseSeconds, *v.dataCenter, *v.rack, v.whiteList, *v.fixJpgOrientation, *v.readMode, *v.compactionMBPerSecond, *v.fileSizeLimitMB, int64(*v.concurrentUploadLimitMB)*1024*1024, int64(*v.concurrentDownloadLimitMB)*1024*1024, *v.inflightUploadDataTimeout, *v.hasSlowRead, *v.readBufferSizeMB, *v.ldbTimeout, ) // starting grpc server grpcS := v.startGrpcService(volumeServer) // starting public http server var publicHttpDown httpdown.Server if v.isSeparatedPublicPort() { publicHttpDown = v.startPublicHttpService(publicVolumeMux) if nil == publicHttpDown { glog.Fatalf("start public http service failed") } } // starting the cluster http server clusterHttpServer := v.startClusterHttpService(volumeMux) grace.OnReload(volumeServer.LoadNewVolumes) stopChan := make(chan bool) grace.OnInterrupt(func() { fmt.Println("volume server has been killed") // Stop heartbeats if !volumeServer.StopHeartbeat() { volumeServer.SetStopping() glog.V(0).Infof("stop send heartbeat and wait %d seconds until shutdown ...", *v.preStopSeconds) time.Sleep(time.Duration(*v.preStopSeconds) * time.Second) } shutdown(publicHttpDown, clusterHttpServer, grpcS, volumeServer) stopChan <- true }) select { case <-stopChan: } } func shutdown(publicHttpDown httpdown.Server, clusterHttpServer httpdown.Server, grpcS *grpc.Server, volumeServer *weed_server.VolumeServer) { // firstly, stop the public http service to prevent from receiving new user request if nil != publicHttpDown { glog.V(0).Infof("stop public http server ... ") if err := publicHttpDown.Stop(); err != nil { glog.Warningf("stop the public http server failed, %v", err) } } glog.V(0).Infof("graceful stop cluster http server ... ") if err := clusterHttpServer.Stop(); err != nil { glog.Warningf("stop the cluster http server failed, %v", err) } glog.V(0).Infof("graceful stop gRPC ...") grpcS.GracefulStop() volumeServer.Shutdown() pprof.StopCPUProfile() } // check whether configure the public port func (v VolumeServerOptions) isSeparatedPublicPort() bool { return *v.publicPort != *v.port } func (v VolumeServerOptions) startGrpcService(vs volume_server_pb.VolumeServerServer) *grpc.Server { grpcPort := *v.portGrpc grpcL, err := util.NewListener(util.JoinHostPort(*v.bindIp, grpcPort), 0) if err != nil { glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err) } grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.volume")) volume_server_pb.RegisterVolumeServerServer(grpcS, vs) reflection.Register(grpcS) go func() { if err := grpcS.Serve(grpcL); err != nil { glog.Fatalf("start gRPC service failed, %s", err) } }() return grpcS } func (v VolumeServerOptions) startPublicHttpService(handler http.Handler) httpdown.Server { publicListeningAddress := util.JoinHostPort(*v.bindIp, *v.publicPort) glog.V(0).Infoln("Start Seaweed volume server", util.Version(), "public at", publicListeningAddress) publicListener, e := util.NewListener(publicListeningAddress, time.Duration(*v.idleConnectionTimeout)*time.Second) if e != nil { glog.Fatalf("Volume server listener error:%v", e) } pubHttp := httpdown.HTTP{StopTimeout: 5 * time.Minute, KillTimeout: 5 * time.Minute} publicHttpDown := pubHttp.Serve(&http.Server{Handler: handler}, publicListener) go func() { if err := publicHttpDown.Wait(); err != nil { glog.Errorf("public http down wait failed, %v", err) } }() return publicHttpDown } func (v VolumeServerOptions) startClusterHttpService(handler http.Handler) httpdown.Server { var ( certFile, keyFile string ) if viper.GetString("https.volume.key") != "" { certFile = viper.GetString("https.volume.cert") keyFile = viper.GetString("https.volume.key") } listeningAddress := util.JoinHostPort(*v.bindIp, *v.port) glog.V(0).Infof("Start Seaweed volume server %s at %s", util.Version(), listeningAddress) listener, e := util.NewListener(listeningAddress, time.Duration(*v.idleConnectionTimeout)*time.Second) if e != nil { glog.Fatalf("Volume server listener error:%v", e) } httpDown := httpdown.HTTP{ KillTimeout: time.Minute, StopTimeout: 30 * time.Second, CertFile: certFile, KeyFile: keyFile} httpS := &http.Server{Handler: handler} if viper.GetString("https.volume.ca") != "" { clientCertFile := viper.GetString("https.volume.ca") httpS.TLSConfig = security.LoadClientTLSHTTP(clientCertFile) } clusterHttpServer := httpDown.Serve(httpS, listener) go func() { if e := clusterHttpServer.Wait(); e != nil { glog.Fatalf("Volume server fail to serve: %v", e) } }() return clusterHttpServer }