package command import ( "fmt" "net/http" httppprof "net/http/pprof" "os" "runtime" "runtime/pprof" "strconv" "strings" "time" "github.com/spf13/viper" "google.golang.org/grpc" "github.com/chrislusf/seaweedfs/weed/util/grace" "github.com/chrislusf/seaweedfs/weed/pb" "github.com/chrislusf/seaweedfs/weed/security" "github.com/chrislusf/seaweedfs/weed/util/httpdown" "google.golang.org/grpc/reflection" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb" "github.com/chrislusf/seaweedfs/weed/server" stats_collect "github.com/chrislusf/seaweedfs/weed/stats" "github.com/chrislusf/seaweedfs/weed/storage" "github.com/chrislusf/seaweedfs/weed/util" ) var ( v VolumeServerOptions ) type VolumeServerOptions struct { port *int publicPort *int folders []string folderMaxLimits []int idxFolder *string ip *string publicUrl *string bindIp *string masters *string idleConnectionTimeout *int dataCenter *string rack *string whiteList []string indexType *string diskType *string fixJpgOrientation *bool readRedirect *bool cpuProfile *string memProfile *string compactionMBPerSecond *int fileSizeLimitMB *int minFreeSpacePercents []float32 pprof *bool preStopSeconds *int metricsHttpPort *int // pulseSeconds *int } func init() { cmdVolume.Run = runVolume // break init cycle v.port = cmdVolume.Flag.Int("port", 8080, "http 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") v.publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible address") v.bindIp = cmdVolume.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to") v.masters = 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|] hard drive or solid state drive or any tag") v.fixJpgOrientation = cmdVolume.Flag.Bool("images.fix.orientation", false, "Adjust jpg orientation when uploading.") v.readRedirect = cmdVolume.Flag.Bool("read.redirect", true, "Redirect moved or non-local volumes.") 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.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") } 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.") 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.") ) func runVolume(cmd *Command, args []string) bool { util.LoadConfiguration("security", false) runtime.GOMAXPROCS(runtime.NumCPU()) // 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.metricsHttpPort) v.startVolumeServer(*volumeFolders, *maxVolumeCounts, *volumeWhiteListOption, *minFreeSpacePercent) return true } func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, volumeWhiteListOption, minFreeSpacePercent string) { // 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.Atoi(maxString); e == nil { v.folderMaxLimits = append(v.folderMaxLimits, 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)) } // set minFreeSpacePercent minFreeSpacePercentStrings := strings.Split(minFreeSpacePercent, ",") for _, freeString := range minFreeSpacePercentStrings { if value, e := strconv.ParseFloat(freeString, 32); e == nil { v.minFreeSpacePercents = append(v.minFreeSpacePercents, float32(value)) } else { glog.Fatalf("The value specified in -minFreeSpacePercent not a valid value %s", freeString) } } if len(v.minFreeSpacePercents) == 1 && len(v.folders) > 1 { for i := 0; i < len(v.folders)-1; i++ { v.minFreeSpacePercents = append(v.minFreeSpacePercents, v.minFreeSpacePercents[0]) } } if len(v.folders) != len(v.minFreeSpacePercents) { glog.Fatalf("%d directories by -dir, but only %d minFreeSpacePercent is set by -minFreeSpacePercent", len(v.folders), len(v.minFreeSpacePercents)) } // set disk types var diskTypes []storage.DiskType diskTypeStrings := strings.Split(*v.diskType, ",") for _, diskTypeString := range diskTypeStrings { diskTypes = append(diskTypes, storage.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 if volumeWhiteListOption != "" { v.whiteList = strings.Split(volumeWhiteListOption, ",") } if *v.ip == "" { *v.ip = util.DetectedHostAddress() glog.V(0).Infof("detected volume server ip address: %v", *v.ip) } if *v.publicPort == 0 { *v.publicPort = *v.port } if *v.publicUrl == "" { *v.publicUrl = *v.ip + ":" + strconv.Itoa(*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 } masters := *v.masters volumeServer := weed_server.NewVolumeServer(volumeMux, publicVolumeMux, *v.ip, *v.port, *v.publicUrl, v.folders, v.folderMaxLimits, v.minFreeSpacePercents, diskTypes, *v.idxFolder, volumeNeedleMapKind, strings.Split(masters, ","), 5, *v.dataCenter, *v.rack, v.whiteList, *v.fixJpgOrientation, *v.readRedirect, *v.compactionMBPerSecond, *v.fileSizeLimitMB, ) // 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) stopChan := make(chan bool) grace.OnInterrupt(func() { fmt.Println("volume server has be killed") // Stop heartbeats if !volumeServer.StopHeartbeat() { 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.port + 10000 grpcL, err := util.NewListener(*v.bindIp+":"+strconv.Itoa(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 := *v.bindIp + ":" + strconv.Itoa(*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 := *v.bindIp + ":" + strconv.Itoa(*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: 5 * time.Minute, StopTimeout: 5 * time.Minute, CertFile: certFile, KeyFile: keyFile} clusterHttpServer := httpDown.Serve(&http.Server{Handler: handler}, listener) go func() { if e := clusterHttpServer.Wait(); e != nil { glog.Fatalf("Volume server fail to serve: %v", e) } }() return clusterHttpServer }