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package main
import (
"net/http"
"os"
"runtime"
"strconv"
"strings"
"time"
"github.com/chrislusf/weed-fs/go/glog"
"github.com/chrislusf/weed-fs/go/util"
"github.com/chrislusf/weed-fs/go/weed/weed_server"
)
var (
v VolumeServerOptions
)
type VolumeServerOptions struct {
port *int
adminPort *int
folders []string
folderMaxLimits []int
ip *string
publicIp *string
bindIp *string
master *string
pulseSeconds *int
idleConnectionTimeout *int
maxCpu *int
dataCenter *string
rack *string
whiteList []string
fixJpgOrientation *bool
}
func init() {
cmdVolume.Run = runVolume // break init cycle
v.port = cmdVolume.Flag.Int("port", 8080, "http listen port")
v.adminPort = cmdVolume.Flag.Int("port.admin", 8443, "https admin port, active when SSL certs are specified. Not ready yet.")
v.ip = cmdVolume.Flag.String("ip", "", "ip or server name")
v.publicIp = cmdVolume.Flag.String("publicIp", "", "Publicly accessible <ip|server_name>")
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", 10, "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.fixJpgOrientation = cmdVolume.Flag.Bool("images.fix.orientation", true, "Adjust jpg orientation when uploading.")
}
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, ",")
}
//derive default public ip address
if *v.publicIp == "" {
if *v.ip == "" {
*v.ip = "127.0.0.1"
*v.publicIp = "localhost"
} else {
*v.publicIp = *v.ip
}
}
r := http.NewServeMux()
volumeServer := weed_server.NewVolumeServer(r, *v.ip, *v.port, *v.publicIp, v.folders, v.folderMaxLimits,
*v.master, *v.pulseSeconds, *v.dataCenter, *v.rack,
v.whiteList,
*v.fixJpgOrientation,
)
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(e.Error())
}
OnInterrupt(func() {
volumeServer.Shutdown()
})
if e := http.Serve(listener, r); e != nil {
glog.Fatalf("Fail to serve:%s", e.Error())
}
return true
}
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