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297 lines
10 KiB
297 lines
10 KiB
package command
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import (
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"fmt"
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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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"time"
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"github.com/spf13/viper"
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"google.golang.org/grpc"
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"github.com/chrislusf/seaweedfs/weed/pb"
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"github.com/chrislusf/seaweedfs/weed/security"
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"github.com/chrislusf/seaweedfs/weed/util/httpdown"
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"google.golang.org/grpc/reflection"
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"github.com/chrislusf/seaweedfs/weed/glog"
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"github.com/chrislusf/seaweedfs/weed/pb/volume_server_pb"
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"github.com/chrislusf/seaweedfs/weed/server"
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"github.com/chrislusf/seaweedfs/weed/storage"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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var (
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v VolumeServerOptions
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)
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type VolumeServerOptions struct {
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port *int
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publicPort *int
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folders []string
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folderMaxLimits []int
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ip *string
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publicUrl *string
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bindIp *string
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masters *string
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pulseSeconds *int
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idleConnectionTimeout *int
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dataCenter *string
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rack *string
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whiteList []string
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indexType *string
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fixJpgOrientation *bool
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readRedirect *bool
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cpuProfile *string
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memProfile *string
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compactionMBPerSecond *int
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fileSizeLimitMB *int
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}
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func init() {
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cmdVolume.Run = runVolume // break init cycle
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v.port = cmdVolume.Flag.Int("port", 8080, "http listen port")
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v.publicPort = cmdVolume.Flag.Int("port.public", 0, "port opened to public")
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v.ip = cmdVolume.Flag.String("ip", util.DetectedHostAddress(), "ip or server name")
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v.publicUrl = cmdVolume.Flag.String("publicUrl", "", "Publicly accessible address")
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v.bindIp = cmdVolume.Flag.String("ip.bind", "0.0.0.0", "ip address to bind to")
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v.masters = cmdVolume.Flag.String("mserver", "localhost:9333", "comma-separated master servers")
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v.pulseSeconds = cmdVolume.Flag.Int("pulseSeconds", 5, "number of seconds between heartbeats, must be smaller than or equal to the master's setting")
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v.idleConnectionTimeout = cmdVolume.Flag.Int("idleTimeout", 30, "connection idle seconds")
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v.dataCenter = cmdVolume.Flag.String("dataCenter", "", "current volume server's data center name")
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v.rack = cmdVolume.Flag.String("rack", "", "current volume server's rack name")
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v.indexType = cmdVolume.Flag.String("index", "memory", "Choose [memory|leveldb|leveldbMedium|leveldbLarge] mode for memory~performance balance.")
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v.fixJpgOrientation = cmdVolume.Flag.Bool("images.fix.orientation", false, "Adjust jpg orientation when uploading.")
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v.readRedirect = cmdVolume.Flag.Bool("read.redirect", true, "Redirect moved or non-local volumes.")
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v.cpuProfile = cmdVolume.Flag.String("cpuprofile", "", "cpu profile output file")
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v.memProfile = cmdVolume.Flag.String("memprofile", "", "memory profile output file")
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v.compactionMBPerSecond = cmdVolume.Flag.Int("compactionMBps", 0, "limit background compaction or copying speed in mega bytes per second")
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v.fileSizeLimitMB = cmdVolume.Flag.Int("fileSizeLimitMB", 256, "limit file size to avoid out of memory")
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}
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var cmdVolume = &Command{
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UsageLine: "volume -port=8080 -dir=/tmp -max=5 -ip=server_name -mserver=localhost:9333",
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Short: "start a volume server",
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Long: `start a volume server to provide storage spaces
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`,
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}
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var (
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volumeFolders = cmdVolume.Flag.String("dir", os.TempDir(), "directories to store data files. dir[,dir]...")
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maxVolumeCounts = cmdVolume.Flag.String("max", "7", "maximum numbers of volumes, count[,count]... If set to zero on non-windows OS, the limit will be auto configured.")
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volumeWhiteListOption = cmdVolume.Flag.String("whiteList", "", "comma separated Ip addresses having write permission. No limit if empty.")
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)
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func runVolume(cmd *Command, args []string) bool {
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util.LoadConfiguration("security", false)
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runtime.GOMAXPROCS(runtime.NumCPU())
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util.SetupProfiling(*v.cpuProfile, *v.memProfile)
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v.startVolumeServer(*volumeFolders, *maxVolumeCounts, *volumeWhiteListOption)
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return true
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}
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func (v VolumeServerOptions) startVolumeServer(volumeFolders, maxVolumeCounts, volumeWhiteListOption string) {
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// Set multiple folders and each folder's max volume count limit'
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v.folders = strings.Split(volumeFolders, ",")
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maxCountStrings := strings.Split(maxVolumeCounts, ",")
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for _, maxString := range maxCountStrings {
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if max, e := strconv.Atoi(maxString); e == nil {
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v.folderMaxLimits = append(v.folderMaxLimits, 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(v.folders) != len(v.folderMaxLimits) {
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glog.Fatalf("%d directories by -dir, but only %d max is set by -max", len(v.folders), len(v.folderMaxLimits))
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}
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for _, folder := range v.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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// security related white list configuration
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if volumeWhiteListOption != "" {
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v.whiteList = strings.Split(volumeWhiteListOption, ",")
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}
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if *v.ip == "" {
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*v.ip = util.DetectedHostAddress()
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glog.V(0).Infof("detected volume server ip address: %v", *v.ip)
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}
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if *v.publicPort == 0 {
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*v.publicPort = *v.port
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}
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if *v.publicUrl == "" {
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*v.publicUrl = *v.ip + ":" + strconv.Itoa(*v.publicPort)
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}
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volumeMux := http.NewServeMux()
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publicVolumeMux := volumeMux
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if v.isSeparatedPublicPort() {
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publicVolumeMux = http.NewServeMux()
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}
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volumeNeedleMapKind := storage.NeedleMapInMemory
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switch *v.indexType {
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case "leveldb":
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volumeNeedleMapKind = storage.NeedleMapLevelDb
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case "leveldbMedium":
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volumeNeedleMapKind = storage.NeedleMapLevelDbMedium
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case "leveldbLarge":
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volumeNeedleMapKind = storage.NeedleMapLevelDbLarge
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}
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masters := *v.masters
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volumeServer := weed_server.NewVolumeServer(volumeMux, publicVolumeMux,
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*v.ip, *v.port, *v.publicUrl,
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v.folders, v.folderMaxLimits,
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volumeNeedleMapKind,
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strings.Split(masters, ","), *v.pulseSeconds, *v.dataCenter, *v.rack,
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v.whiteList,
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*v.fixJpgOrientation, *v.readRedirect,
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*v.compactionMBPerSecond,
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*v.fileSizeLimitMB,
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)
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// starting grpc server
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grpcS := v.startGrpcService(volumeServer)
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// starting public http server
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var publicHttpDown httpdown.Server
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if v.isSeparatedPublicPort() {
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publicHttpDown = v.startPublicHttpService(publicVolumeMux)
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if nil == publicHttpDown {
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glog.Fatalf("start public http service failed")
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}
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}
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// starting the cluster http server
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clusterHttpServer := v.startClusterHttpService(volumeMux)
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stopChain := make(chan struct{})
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util.OnInterrupt(func() {
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fmt.Println("volume server has be killed")
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var startTime time.Time
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// firstly, stop the public http service to prevent from receiving new user request
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if nil != publicHttpDown {
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startTime = time.Now()
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if err := publicHttpDown.Stop(); err != nil {
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glog.Warningf("stop the public http server failed, %v", err)
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}
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delta := time.Now().Sub(startTime).Nanoseconds() / 1e6
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glog.V(0).Infof("stop public http server, elapsed %dms", delta)
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}
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startTime = time.Now()
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if err := clusterHttpServer.Stop(); err != nil {
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glog.Warningf("stop the cluster http server failed, %v", err)
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}
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delta := time.Now().Sub(startTime).Nanoseconds() / 1e6
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glog.V(0).Infof("graceful stop cluster http server, elapsed [%d]", delta)
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startTime = time.Now()
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grpcS.GracefulStop()
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delta = time.Now().Sub(startTime).Nanoseconds() / 1e6
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glog.V(0).Infof("graceful stop gRPC, elapsed [%d]", delta)
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startTime = time.Now()
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volumeServer.Shutdown()
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delta = time.Now().Sub(startTime).Nanoseconds() / 1e6
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glog.V(0).Infof("stop volume server, elapsed [%d]", delta)
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pprof.StopCPUProfile()
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close(stopChain) // notify exit
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})
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select {
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case <-stopChain:
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}
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glog.Warningf("the volume server exit.")
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}
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// check whether configure the public port
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func (v VolumeServerOptions) isSeparatedPublicPort() bool {
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return *v.publicPort != *v.port
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}
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func (v VolumeServerOptions) startGrpcService(vs volume_server_pb.VolumeServerServer) *grpc.Server {
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grpcPort := *v.port + 10000
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grpcL, err := util.NewListener(*v.bindIp+":"+strconv.Itoa(grpcPort), 0)
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if err != nil {
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glog.Fatalf("failed to listen on grpc port %d: %v", grpcPort, err)
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}
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grpcS := pb.NewGrpcServer(security.LoadServerTLS(util.GetViper(), "grpc.volume"))
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volume_server_pb.RegisterVolumeServerServer(grpcS, vs)
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reflection.Register(grpcS)
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go func() {
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if err := grpcS.Serve(grpcL); err != nil {
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glog.Fatalf("start gRPC service failed, %s", err)
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}
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}()
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return grpcS
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}
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func (v VolumeServerOptions) startPublicHttpService(handler http.Handler) httpdown.Server {
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publicListeningAddress := *v.bindIp + ":" + strconv.Itoa(*v.publicPort)
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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(*v.idleConnectionTimeout)*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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pubHttp := httpdown.HTTP{StopTimeout: 5 * time.Minute, KillTimeout: 5 * time.Minute}
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publicHttpDown := pubHttp.Serve(&http.Server{Handler: handler}, publicListener)
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go func() {
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if err := publicHttpDown.Wait(); err != nil {
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glog.Errorf("public http down wait failed, %v", err)
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}
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}()
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return publicHttpDown
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}
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func (v VolumeServerOptions) startClusterHttpService(handler http.Handler) httpdown.Server {
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var (
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certFile, keyFile string
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)
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if viper.GetString("https.volume.key") != "" {
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certFile = viper.GetString("https.volume.cert")
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keyFile = viper.GetString("https.volume.key")
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}
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listeningAddress := *v.bindIp + ":" + strconv.Itoa(*v.port)
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glog.V(0).Infof("Start Seaweed volume server %s at %s", util.VERSION, listeningAddress)
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listener, e := util.NewListener(listeningAddress, time.Duration(*v.idleConnectionTimeout)*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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httpDown := httpdown.HTTP{
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KillTimeout: 5 * time.Minute,
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StopTimeout: 5 * time.Minute,
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CertFile: certFile,
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KeyFile: keyFile}
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clusterHttpServer := httpDown.Serve(&http.Server{Handler: handler}, listener)
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go func() {
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if e := clusterHttpServer.Wait(); e != nil {
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glog.Fatalf("Volume server fail to serve: %v", e)
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}
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}()
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return clusterHttpServer
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}
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