mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
372 lines
9.5 KiB
Go
372 lines
9.5 KiB
Go
// Copyright 2018 The CubeFS Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package main
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import (
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"flag"
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"fmt"
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syslog "log"
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"net/http"
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_ "net/http/pprof"
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"os"
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"os/signal"
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"path"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"syscall"
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"github.com/cubefs/cubefs/util/auditlog"
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"github.com/cubefs/cubefs/util/errors"
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sysutil "github.com/cubefs/cubefs/util/sys"
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"github.com/cubefs/cubefs/console"
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"github.com/cubefs/cubefs/proto"
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"github.com/cubefs/cubefs/objectnode"
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"github.com/jacobsa/daemonize"
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"github.com/cubefs/cubefs/authnode"
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"github.com/cubefs/cubefs/cmd/common"
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"github.com/cubefs/cubefs/datanode"
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"github.com/cubefs/cubefs/lcnode"
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"github.com/cubefs/cubefs/master"
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"github.com/cubefs/cubefs/metanode"
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"github.com/cubefs/cubefs/util/config"
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"github.com/cubefs/cubefs/util/log"
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"github.com/cubefs/cubefs/util/ump"
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)
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const (
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ConfigKeyRole = "role"
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ConfigKeyLogDir = "logDir"
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ConfigKeyLogLevel = "logLevel"
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ConfigKeyLogRotateSize = "logRotateSize"
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ConfigKeyLogRotateHeadRoom = "logRotateHeadRoom"
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ConfigKeyProfPort = "prof"
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ConfigKeyWarnLogDir = "warnLogDir"
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ConfigKeyBuffersTotalLimit = "buffersTotalLimit"
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ConfigKeyLogLeftSpaceLimit = "logLeftSpaceLimit"
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)
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const (
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RoleMaster = "master"
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RoleMeta = "metanode"
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RoleData = "datanode"
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RoleAuth = "authnode"
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RoleObject = "objectnode"
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RoleConsole = "console"
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RoleLifeCycle = "lcnode"
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)
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const (
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ModuleMaster = "master"
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ModuleMeta = "metaNode"
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ModuleData = "dataNode"
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ModuleAuth = "authNode"
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ModuleObject = "objectNode"
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ModuleConsole = "console"
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ModuleLifeCycle = "lcnode"
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)
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const (
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LoggerOutput = "output.log"
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)
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var (
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configFile = flag.String("c", "", "config file path")
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configVersion = flag.Bool("v", false, "show version")
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configForeground = flag.Bool("f", false, "run foreground")
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redirectSTD = flag.Bool("redirect-std", true, "redirect standard output to file")
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)
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func interceptSignal(s common.Server) {
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sigC := make(chan os.Signal, 1)
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signal.Notify(sigC, syscall.SIGINT, syscall.SIGTERM)
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syslog.Println("action[interceptSignal] register system signal.")
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go func() {
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for {
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sig := <-sigC
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syslog.Printf("action[interceptSignal] received signal: %s. pid %d", sig.String(), os.Getpid())
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s.Shutdown()
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}
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}()
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}
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func modifyOpenFiles() (err error) {
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var rLimit syscall.Rlimit
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err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
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if err != nil {
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return fmt.Errorf("Error Getting Rlimit %v", err.Error())
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}
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syslog.Println(rLimit)
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rLimit.Max = 1024000
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rLimit.Cur = 1024000
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err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
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if err != nil {
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return fmt.Errorf("Error Setting Rlimit %v", err.Error())
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}
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err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
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if err != nil {
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return fmt.Errorf("Error Getting Rlimit %v", err.Error())
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}
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syslog.Println("Rlimit Final", rLimit)
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return
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}
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func main() {
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flag.Parse()
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Version := proto.DumpVersion("Server")
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if *configVersion {
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fmt.Printf("%v", Version)
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os.Exit(0)
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}
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/*
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* LoadConfigFile should be checked before start daemon, since it will
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* call os.Exit() w/o notifying the parent process.
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*/
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cfg, err := config.LoadConfigFile(*configFile)
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if err != nil {
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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if !*configForeground {
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if err := startDaemon(); err != nil {
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fmt.Printf("Server start failed: %v\n", err)
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os.Exit(1)
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}
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os.Exit(0)
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}
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/*
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* We are in daemon from here.
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* Must notify the parent process through SignalOutcome anyway.
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*/
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role := cfg.GetString(ConfigKeyRole)
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logDir := cfg.GetString(ConfigKeyLogDir)
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logLevel := cfg.GetString(ConfigKeyLogLevel)
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logRotateSize := cfg.GetInt64(ConfigKeyLogRotateSize)
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logRotateHeadRoom := cfg.GetInt64(ConfigKeyLogRotateHeadRoom)
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profPort := cfg.GetString(ConfigKeyProfPort)
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umpDatadir := cfg.GetString(ConfigKeyWarnLogDir)
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buffersTotalLimit := cfg.GetInt64(ConfigKeyBuffersTotalLimit)
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logLeftSpaceLimitStr := cfg.GetString(ConfigKeyLogLeftSpaceLimit)
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logLeftSpaceLimit, err := strconv.ParseInt(logLeftSpaceLimitStr, 10, 64)
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if err != nil || logLeftSpaceLimit == 0 {
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log.LogErrorf("logLeftSpaceLimit is not a legal int value: %v", err.Error())
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logLeftSpaceLimit = log.DefaultLogLeftSpaceLimit
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}
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// Init server instance with specified role configuration.
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var (
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server common.Server
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module string
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)
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switch role {
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case RoleMeta:
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server = metanode.NewServer()
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module = ModuleMeta
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case RoleMaster:
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server = master.NewServer()
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module = ModuleMaster
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case RoleData:
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server = datanode.NewServer()
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module = ModuleData
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case RoleAuth:
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server = authnode.NewServer()
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module = ModuleAuth
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case RoleObject:
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server = objectnode.NewServer()
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module = ModuleObject
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case RoleConsole:
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server = console.NewServer()
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module = ModuleConsole
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case RoleLifeCycle:
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server = lcnode.NewServer()
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module = ModuleLifeCycle
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default:
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err = errors.NewErrorf("Fatal: role mismatch: %s", role)
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fmt.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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// Init logging
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var (
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level log.Level
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)
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switch strings.ToLower(logLevel) {
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case "debug":
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level = log.DebugLevel
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case "info":
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level = log.InfoLevel
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case "warn":
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level = log.WarnLevel
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case "error":
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level = log.ErrorLevel
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case "critical":
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level = log.CriticalLevel
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default:
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level = log.ErrorLevel
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}
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rotate := log.NewLogRotate()
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if logRotateSize > 0 {
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rotate.SetRotateSizeMb(logRotateSize)
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}
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if logRotateHeadRoom > 0 {
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rotate.SetHeadRoomMb(logRotateHeadRoom)
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}
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_, err = log.InitLog(logDir, module, level, rotate, logLeftSpaceLimit)
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if err != nil {
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err = errors.NewErrorf("Fatal: failed to init log - %v", err)
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fmt.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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defer log.LogFlush()
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_, err = auditlog.InitAudit(logDir, module, auditlog.DefaultAuditLogSize)
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if err != nil {
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err = errors.NewErrorf("Fatal: failed to init audit log - %v", err)
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fmt.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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defer auditlog.StopAudit()
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if *redirectSTD {
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// Init output file
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outputFilePath := path.Join(logDir, module, LoggerOutput)
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outputFile, err := os.OpenFile(outputFilePath, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0666)
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if err != nil {
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err = errors.NewErrorf("Fatal: failed to open output path - %v", err)
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fmt.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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defer func() {
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outputFile.Sync()
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outputFile.Close()
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}()
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syslog.SetOutput(outputFile)
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if err = sysutil.RedirectFD(int(outputFile.Fd()), int(os.Stderr.Fd())); err != nil {
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err = errors.NewErrorf("Fatal: failed to redirect fd - %v", err)
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syslog.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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}
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if buffersTotalLimit < 0 {
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syslog.Printf("invalid fields, BuffersTotalLimit(%v) must larger or equal than 0\n", buffersTotalLimit)
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return
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}
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proto.InitBufferPool(buffersTotalLimit)
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syslog.Printf("Hello, CubeFS Storage\n%s\n", Version)
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err = modifyOpenFiles()
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if err != nil {
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err = errors.NewErrorf("Fatal: failed to modify open files - %v", err)
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syslog.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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//for multi-cpu scheduling
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runtime.GOMAXPROCS(runtime.NumCPU())
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if err = ump.InitUmp(role, umpDatadir); err != nil {
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log.LogFlush()
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err = errors.NewErrorf("Fatal: failed to init ump warnLogDir - %v", err)
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syslog.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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if profPort != "" {
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go func() {
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http.HandleFunc(log.SetLogLevelPath, log.SetLogLevel)
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e := http.ListenAndServe(fmt.Sprintf(":%v", profPort), nil)
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if e != nil {
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log.LogFlush()
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err = errors.NewErrorf("cannot listen pprof %v err %v", profPort, err)
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syslog.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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}()
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}
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interceptSignal(server)
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err = server.Start(cfg)
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if err != nil {
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log.LogFlush()
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err = errors.NewErrorf("Fatal: failed to start the CubeFS %s daemon err %v - ", role, err)
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syslog.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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syslog.Printf("server start success, pid %d, role %s", os.Getpid(), role)
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log.LogDisableStderrOutput()
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err = log.OutputPid(logDir, role)
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if err != nil {
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log.LogFlush()
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err = errors.NewErrorf("Fatal: failed to print pid %s err %v - ", role, err)
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syslog.Println(err)
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daemonize.SignalOutcome(err)
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os.Exit(1)
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}
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daemonize.SignalOutcome(nil)
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// Block main goroutine until server shutdown.
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server.Sync()
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log.LogFlush()
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os.Exit(0)
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}
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func startDaemon() error {
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cmdPath, err := os.Executable()
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if err != nil {
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return fmt.Errorf("startDaemon failed: cannot get absolute command path, err(%v)", err)
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}
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configPath, err := filepath.Abs(*configFile)
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if err != nil {
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return fmt.Errorf("startDaemon failed: cannot get absolute command path of config file(%v) , err(%v)", *configFile, err)
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}
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args := []string{"-f"}
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args = append(args, "-c")
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args = append(args, configPath)
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env := []string{
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fmt.Sprintf("PATH=%s", os.Getenv("PATH")),
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}
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err = daemonize.Run(cmdPath, args, env, os.Stdout)
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if err != nil {
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return fmt.Errorf("startDaemon failed: daemon start failed, cmd(%v) args(%v) env(%v) err(%v)\n", cmdPath, args, env, err)
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}
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return nil
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}
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