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274 lines
11 KiB
274 lines
11 KiB
package main
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import (
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"net/http"
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"os"
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"runtime"
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"runtime/pprof"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/chrislusf/weed-fs/go/glog"
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"github.com/chrislusf/weed-fs/go/util"
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"github.com/chrislusf/weed-fs/go/weed/weed_server"
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"github.com/gorilla/mux"
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)
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type ServerOptions struct {
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cpuprofile *string
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}
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var (
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serverOptions ServerOptions
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filerOptions FilerOptions
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)
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func init() {
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cmdServer.Run = runServer // break init cycle
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}
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var cmdServer = &Command{
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UsageLine: "server -port=8080 -dir=/tmp -volume.max=5 -ip=server_name",
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Short: "start a server, including volume server, and automatically elect a master server",
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Long: `start both a volume server to provide storage spaces
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and a master server to provide volume=>location mapping service and sequence number of file ids
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This is provided as a convenient way to start both volume server and master server.
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The servers are exactly the same as starting them separately.
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So other volume servers can use this embedded master server also.
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Optionally, one filer server can be started. Logically, filer servers should not be in a cluster.
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They run with meta data on disk, not shared. So each filer server is different.
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`,
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}
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var (
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serverIp = cmdServer.Flag.String("ip", "localhost", "ip or server name")
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serverPublicUrl = cmdServer.Flag.String("publicUrl", "", "publicly accessible address")
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serverBindIp = cmdServer.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
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serverMaxCpu = cmdServer.Flag.Int("maxCpu", 0, "maximum number of CPUs. 0 means all available CPUs")
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serverTimeout = cmdServer.Flag.Int("idleTimeout", 10, "connection idle seconds")
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serverDataCenter = cmdServer.Flag.String("dataCenter", "", "current volume server's data center name")
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serverRack = cmdServer.Flag.String("rack", "", "current volume server's rack name")
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serverWhiteListOption = cmdServer.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
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serverPeers = cmdServer.Flag.String("master.peers", "", "other master nodes in comma separated ip:masterPort list")
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serverSecureKey = cmdServer.Flag.String("secure.secret", "", "secret to encrypt Json Web Token(JWT)")
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serverGarbageThreshold = cmdServer.Flag.String("garbageThreshold", "0.3", "threshold to vacuum and reclaim spaces")
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masterPort = cmdServer.Flag.Int("master.port", 9333, "master server http listen port")
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masterMetaFolder = cmdServer.Flag.String("master.dir", "", "data directory to store meta data, default to same as -dir specified")
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masterVolumeSizeLimitMB = cmdServer.Flag.Uint("master.volumeSizeLimitMB", 30*1000, "Master stops directing writes to oversized volumes.")
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masterConfFile = cmdServer.Flag.String("master.conf", "/etc/weedfs/weedfs.conf", "xml configuration file")
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masterDefaultReplicaPlacement = cmdServer.Flag.String("master.defaultReplicaPlacement", "000", "Default replication type if not specified.")
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volumePort = cmdServer.Flag.Int("volume.port", 8080, "volume server http listen port")
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volumePublicPort = cmdServer.Flag.Int("volume.port.public", 0, "volume server public port")
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volumeDataFolders = cmdServer.Flag.String("dir", os.TempDir(), "directories to store data files. dir[,dir]...")
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volumeMaxDataVolumeCounts = cmdServer.Flag.String("volume.max", "7", "maximum numbers of volumes, count[,count]...")
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volumePulse = cmdServer.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats")
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volumeFixJpgOrientation = cmdServer.Flag.Bool("volume.images.fix.orientation", true, "Adjust jpg orientation when uploading.")
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isStartingFiler = cmdServer.Flag.Bool("filer", false, "whether to start filer")
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serverWhiteList []string
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)
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func init() {
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serverOptions.cpuprofile = cmdServer.Flag.String("cpuprofile", "", "cpu profile output file")
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filerOptions.master = cmdServer.Flag.String("filer.master", "", "default to current master server")
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filerOptions.collection = cmdServer.Flag.String("filer.collection", "", "all data will be stored in this collection")
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filerOptions.port = cmdServer.Flag.Int("filer.port", 8888, "filer server http listen port")
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filerOptions.dir = cmdServer.Flag.String("filer.dir", "", "directory to store meta data, default to a 'filer' sub directory of what -mdir is specified")
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filerOptions.defaultReplicaPlacement = cmdServer.Flag.String("filer.defaultReplicaPlacement", "", "Default replication type if not specified during runtime.")
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filerOptions.redirectOnRead = cmdServer.Flag.Bool("filer.redirectOnRead", false, "whether proxy or redirect to volume server during file GET request")
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filerOptions.cassandra_server = cmdServer.Flag.String("filer.cassandra.server", "", "host[:port] of the cassandra server")
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filerOptions.cassandra_keyspace = cmdServer.Flag.String("filer.cassandra.keyspace", "seaweed", "keyspace of the cassandra server")
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filerOptions.redis_server = cmdServer.Flag.String("filer.redis.server", "", "host:port of the redis server, e.g., 127.0.0.1:6379")
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filerOptions.redis_database = cmdServer.Flag.Int("filer.redis.database", 0, "the database on the redis server")
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}
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func runServer(cmd *Command, args []string) bool {
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filerOptions.secretKey = serverSecureKey
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if *serverOptions.cpuprofile != "" {
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f, err := os.Create(*serverOptions.cpuprofile)
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if err != nil {
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glog.Fatal(err)
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}
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pprof.StartCPUProfile(f)
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defer pprof.StopCPUProfile()
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}
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if *filerOptions.redirectOnRead {
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*isStartingFiler = true
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}
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*filerOptions.master = *serverIp + ":" + strconv.Itoa(*masterPort)
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if *filerOptions.defaultReplicaPlacement == "" {
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*filerOptions.defaultReplicaPlacement = *masterDefaultReplicaPlacement
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}
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if *volumePublicPort == 0 {
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*volumePublicPort = *volumePort
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}
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if *serverMaxCpu < 1 {
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*serverMaxCpu = runtime.NumCPU()
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}
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runtime.GOMAXPROCS(*serverMaxCpu)
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folders := strings.Split(*volumeDataFolders, ",")
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maxCountStrings := strings.Split(*volumeMaxDataVolumeCounts, ",")
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maxCounts := make([]int, 0)
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for _, maxString := range maxCountStrings {
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if max, e := strconv.Atoi(maxString); e == nil {
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maxCounts = append(maxCounts, max)
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} else {
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glog.Fatalf("The max specified in -max not a valid number %s", maxString)
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}
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}
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if len(folders) != len(maxCounts) {
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glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(folders), len(maxCounts))
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}
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for _, folder := range folders {
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if err := util.TestFolderWritable(folder); err != nil {
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glog.Fatalf("Check Data Folder(-dir) Writable %s : %s", folder, err)
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}
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}
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if *masterMetaFolder == "" {
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*masterMetaFolder = folders[0]
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}
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if *isStartingFiler {
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if *filerOptions.dir == "" {
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*filerOptions.dir = *masterMetaFolder + "/filer"
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os.MkdirAll(*filerOptions.dir, 0700)
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}
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if err := util.TestFolderWritable(*filerOptions.dir); err != nil {
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glog.Fatalf("Check Mapping Meta Folder (-filer.dir=\"%s\") Writable: %s", *filerOptions.dir, err)
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}
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}
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if err := util.TestFolderWritable(*masterMetaFolder); err != nil {
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glog.Fatalf("Check Meta Folder (-mdir=\"%s\") Writable: %s", *masterMetaFolder, err)
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}
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if *serverWhiteListOption != "" {
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serverWhiteList = strings.Split(*serverWhiteListOption, ",")
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}
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if *isStartingFiler {
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go func() {
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r := http.NewServeMux()
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_, nfs_err := weed_server.NewFilerServer(r, *filerOptions.port, *filerOptions.master, *filerOptions.dir, *filerOptions.collection,
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*filerOptions.defaultReplicaPlacement, *filerOptions.redirectOnRead,
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*filerOptions.secretKey,
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"", "",
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"", 0,
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)
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if nfs_err != nil {
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glog.Fatalf("Filer startup error: %v", nfs_err)
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}
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glog.V(0).Infoln("Start Seaweed Filer", util.VERSION, "at port", strconv.Itoa(*filerOptions.port))
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filerListener, e := util.NewListener(
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":"+strconv.Itoa(*filerOptions.port),
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time.Duration(10)*time.Second,
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)
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if e != nil {
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glog.Fatalf("Filer listener error: %v", e)
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}
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if e := http.Serve(filerListener, r); e != nil {
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glog.Fatalf("Filer Fail to serve: %v", e)
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}
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}()
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}
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var raftWaitForMaster sync.WaitGroup
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var volumeWait sync.WaitGroup
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raftWaitForMaster.Add(1)
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volumeWait.Add(1)
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go func() {
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r := mux.NewRouter()
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ms := weed_server.NewMasterServer(r, *masterPort, *masterMetaFolder,
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*masterVolumeSizeLimitMB, *volumePulse, *masterConfFile, *masterDefaultReplicaPlacement, *serverGarbageThreshold,
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serverWhiteList, *serverSecureKey,
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)
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glog.V(0).Infoln("Start Seaweed Master", util.VERSION, "at", *serverIp+":"+strconv.Itoa(*masterPort))
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masterListener, e := util.NewListener(*serverBindIp+":"+strconv.Itoa(*masterPort), time.Duration(*serverTimeout)*time.Second)
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if e != nil {
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glog.Fatalf("Master startup error: %v", e)
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}
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go func() {
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raftWaitForMaster.Wait()
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time.Sleep(100 * time.Millisecond)
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myAddress := *serverIp + ":" + strconv.Itoa(*masterPort)
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var peers []string
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if *serverPeers != "" {
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peers = strings.Split(*serverPeers, ",")
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}
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raftServer := weed_server.NewRaftServer(r, peers, myAddress, *masterMetaFolder, ms.Topo, *volumePulse)
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ms.SetRaftServer(raftServer)
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volumeWait.Done()
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}()
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raftWaitForMaster.Done()
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if e := http.Serve(masterListener, r); e != nil {
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glog.Fatalf("Master Fail to serve:%s", e.Error())
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}
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}()
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volumeWait.Wait()
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time.Sleep(100 * time.Millisecond)
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if *volumePublicPort == 0 {
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*volumePublicPort = *volumePort
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}
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isSeperatedPublicPort := *volumePublicPort != *volumePort
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volumeMux := http.NewServeMux()
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publicVolumeMux := volumeMux
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if isSeperatedPublicPort {
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publicVolumeMux = http.NewServeMux()
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}
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volumeServer := weed_server.NewVolumeServer(volumeMux, publicVolumeMux,
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*serverIp, *volumePort, *serverPublicUrl,
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folders, maxCounts,
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*serverIp+":"+strconv.Itoa(*masterPort), *volumePulse, *serverDataCenter, *serverRack,
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serverWhiteList, *volumeFixJpgOrientation,
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)
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glog.V(0).Infoln("Start Seaweed volume server", util.VERSION, "at", *serverIp+":"+strconv.Itoa(*volumePort))
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volumeListener, eListen := util.NewListener(
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*serverBindIp+":"+strconv.Itoa(*volumePort),
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time.Duration(*serverTimeout)*time.Second,
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)
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if eListen != nil {
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glog.Fatalf("Volume server listener error: %v", eListen)
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}
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if isSeperatedPublicPort {
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publicListeningAddress := *serverIp + ":" + strconv.Itoa(*volumePublicPort)
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glog.V(0).Infoln("Start Seaweed volume server", util.VERSION, "public at", publicListeningAddress)
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publicListener, e := util.NewListener(publicListeningAddress, time.Duration(*serverTimeout)*time.Second)
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if e != nil {
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glog.Fatalf("Volume server listener error:%v", e)
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}
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go func() {
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if e := http.Serve(publicListener, publicVolumeMux); e != nil {
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glog.Fatalf("Volume server fail to serve public: %v", e)
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}
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}()
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}
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OnInterrupt(func() {
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volumeServer.Shutdown()
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pprof.StopCPUProfile()
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})
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if e := http.Serve(volumeListener, volumeMux); e != nil {
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glog.Fatalf("Volume server fail to serve:%v", e)
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}
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return true
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}
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