package command import ( "net/http" "os" "runtime" "strconv" "strings" "time" "github.com/chrislusf/seaweedfs/weed/glog" "github.com/chrislusf/seaweedfs/weed/server" "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 ip *string publicUrl *string bindIp *string master *string pulseSeconds *int idleConnectionTimeout *int maxCpu *int dataCenter *string rack *string whiteList []string indexType *string fixJpgOrientation *bool readRedirect *bool enableBytesCache *bool } 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", "", "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.master = cmdVolume.Flag.String("mserver", "localhost:9333", "master server location") 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.maxCpu = cmdVolume.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs") 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|boltdb] mode for memory~performance balance.") v.fixJpgOrientation = cmdVolume.Flag.Bool("images.fix.orientation", true, "Adjust jpg orientation when uploading.") v.readRedirect = cmdVolume.Flag.Bool("read.redirect", true, "Redirect moved or non-local volumes.") v.enableBytesCache = cmdVolume.Flag.Bool("cache.enable", false, "direct cache instead of OS cache, cost more memory.") } 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", "7", "maximum numbers of volumes, count[,count]...") volumeWhiteListOption = cmdVolume.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.") ) func runVolume(cmd *Command, args []string) bool { if *v.maxCpu < 1 { *v.maxCpu = runtime.NumCPU() } runtime.GOMAXPROCS(*v.maxCpu) //Set multiple folders and each folder's max volume count limit' v.folders = strings.Split(*volumeFolders, ",") 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.folders) != len(v.folderMaxLimits) { glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(v.folders), len(v.folderMaxLimits)) } for _, folder := range v.folders { if err := util.TestFolderWritable(folder); err != nil { glog.Fatalf("Check Data Folder(-dir) Writable %s : %s", folder, err) } } //security related white list configuration if *volumeWhiteListOption != "" { v.whiteList = strings.Split(*volumeWhiteListOption, ",") } if *v.ip == "" { *v.ip = "127.0.0.1" } if *v.publicPort == 0 { *v.publicPort = *v.port } if *v.publicUrl == "" { *v.publicUrl = *v.ip + ":" + strconv.Itoa(*v.publicPort) } isSeperatedPublicPort := *v.publicPort != *v.port volumeMux := http.NewServeMux() publicVolumeMux := volumeMux if isSeperatedPublicPort { publicVolumeMux = http.NewServeMux() } volumeNeedleMapKind := storage.NeedleMapInMemory switch *v.indexType { case "leveldb": volumeNeedleMapKind = storage.NeedleMapLevelDb case "boltdb": volumeNeedleMapKind = storage.NeedleMapBoltDb } volumeServer := weed_server.NewVolumeServer(volumeMux, publicVolumeMux, *v.ip, *v.port, *v.publicUrl, v.folders, v.folderMaxLimits, volumeNeedleMapKind, *v.master, *v.pulseSeconds, *v.dataCenter, *v.rack, v.whiteList, *v.fixJpgOrientation, *v.readRedirect, *v.enableBytesCache, ) listeningAddress := *v.bindIp + ":" + strconv.Itoa(*v.port) glog.V(0).Infoln("Start Seaweed volume server", util.VERSION, "at", listeningAddress) listener, e := util.NewListener(listeningAddress, time.Duration(*v.idleConnectionTimeout)*time.Second) if e != nil { glog.Fatalf("Volume server listener error:%v", e) } if isSeperatedPublicPort { 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) } go func() { if e := http.Serve(publicListener, publicVolumeMux); e != nil { glog.Fatalf("Volume server fail to serve public: %v", e) } }() } OnInterrupt(func() { volumeServer.Shutdown() }) if e := http.Serve(listener, volumeMux); e != nil { glog.Fatalf("Volume server fail to serve: %v", e) } return true }