func getLogs(c *Context, w http.ResponseWriter, r *http.Request) {

	if !c.HasSystemAdminPermissions("getLogs") {
		return
	}

	var lines []string

	if utils.Cfg.LogSettings.EnableFile {

		file, err := os.Open(utils.GetLogFileLocation(utils.Cfg.LogSettings.FileLocation))
		if err != nil {
			c.Err = model.NewAppError("getLogs", "Error reading log file", err.Error())
		}

		defer file.Close()

		scanner := bufio.NewScanner(file)
		for scanner.Scan() {
			lines = append(lines, scanner.Text())
		}
	} else {
		lines = append(lines, "")
	}

	w.Write([]byte(model.ArrayToJson(lines)))
}

func main() {
	parseCmds()

	if errstr := doLoadConfig(flagConfigFile); errstr != "" {
		l4g.Exit("Unable to load mattermost configuration file: ", errstr)
		return
	}

	if flagRunCmds {
		utils.ConfigureCmdLineLog()
	}
	utils.InitTranslations(utils.Cfg.LocalizationSettings)
	utils.TestConnection(utils.Cfg)

	pwd, _ := os.Getwd()
	l4g.Info(utils.T("mattermost.current_version"), model.CurrentVersion, model.BuildNumber, model.BuildDate, model.BuildHash, model.BuildHashEnterprise)
	l4g.Info(utils.T("mattermost.entreprise_enabled"), model.BuildEnterpriseReady)
	l4g.Info(utils.T("mattermost.working_dir"), pwd)
	l4g.Info(utils.T("mattermost.config_file"), utils.FindConfigFile(flagConfigFile))

	// Enable developer settings if this is a "dev" build
	if model.BuildNumber == "dev" {
		*utils.Cfg.ServiceSettings.EnableDeveloper = true
	}

	cmdUpdateDb30()

	if flagCpuProfile {
		f, err := os.Create(utils.GetLogFileLocation(utils.Cfg.LogSettings.FileLocation) + ".cpu.prof")
		if err != nil {
			l4g.Error("Error creating cpu profile log: " + err.Error())
		}

		l4g.Info("CPU Profiler is logging to " + utils.GetLogFileLocation(utils.Cfg.LogSettings.FileLocation) + ".cpu.prof")
		pprof.StartCPUProfile(f)
	}

	if flagBlockProfile {
		l4g.Info("Block Profiler is logging to " + utils.GetLogFileLocation(utils.Cfg.LogSettings.FileLocation) + ".blk.prof")
		runtime.SetBlockProfileRate(1)
	}

	if flagMemProfile {
		l4g.Info("Memory Profiler is logging to " + utils.GetLogFileLocation(utils.Cfg.LogSettings.FileLocation) + ".mem.prof")
	}

	api.NewServer(flagHttpProfiler)
	api.InitApi()
	web.InitWeb()

	if model.BuildEnterpriseReady == "true" {
		api.LoadLicense()
	}

	if !utils.IsLicensed && len(utils.Cfg.SqlSettings.DataSourceReplicas) > 1 {
		l4g.Critical(utils.T("store.sql.read_replicas_not_licensed.critical"))
		return
	}

	if flagRunCmds {
		runCmds()
	} else {
		resetStatuses()

		api.StartServer()

		// If we allow testing then listen for manual testing URL hits
		if utils.Cfg.ServiceSettings.EnableTesting {
			manualtesting.InitManualTesting()
		}

		setDiagnosticId()
		go runSecurityAndDiagnosticsJob()

		if complianceI := einterfaces.GetComplianceInterface(); complianceI != nil {
			complianceI.StartComplianceDailyJob()
		}

		if einterfaces.GetClusterInterface() != nil {
			einterfaces.GetClusterInterface().StartInterNodeCommunication()
		}

		// wait for kill signal before attempting to gracefully shutdown
		// the running service
		c := make(chan os.Signal)
		signal.Notify(c, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
		<-c

		if einterfaces.GetClusterInterface() != nil {
			einterfaces.GetClusterInterface().StopInterNodeCommunication()
		}

		api.StopServer()

		if flagCpuProfile {
			l4g.Info("Closing CPU Profiler")
			pprof.StopCPUProfile()
		}

		if flagBlockProfile {
//.........这里部分代码省略.........