Golang capnslog.SetFormatter函數代碼示例

func setupLogging(cfg *config) {
	capnslog.SetGlobalLogLevel(capnslog.INFO)
	if cfg.Debug {
		capnslog.SetGlobalLogLevel(capnslog.DEBUG)
	}
	if cfg.LogPkgLevels != "" {
		repoLog := capnslog.MustRepoLogger("github.com/coreos/etcd")
		settings, err := repoLog.ParseLogLevelConfig(cfg.LogPkgLevels)
		if err != nil {
			plog.Warningf("couldn't parse log level string: %s, continuing with default levels", err.Error())
			return
		}
		repoLog.SetLogLevel(settings)
	}

	// capnslog initially SetFormatter(NewDefaultFormatter(os.Stderr))
	// where NewDefaultFormatter returns NewJournaldFormatter when syscall.Getppid() == 1
	// specify 'stdout' or 'stderr' to skip journald logging even when running under systemd
	switch cfg.logOutput {
	case "stdout":
		capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, cfg.Debug))
	case "stderr":
		capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stderr, cfg.Debug))
	case "default":
	default:
		plog.Panicf(`unknown log-output %q (only supports "default", "stdout", "stderr")`, cfg.logOutput)
	}
}

func init() {
	capabilities.SetForTests(capabilities.Capabilities{
		AllowPrivileged: true,
	})
	flag.Set("v", "5")
	if len(os.Getenv("OS_TEST_VERBOSE_ETCD")) > 0 {
		capnslog.SetGlobalLogLevel(capnslog.DEBUG)
		capnslog.SetFormatter(capnslog.NewGlogFormatter(os.Stderr))
	} else {
		capnslog.SetGlobalLogLevel(capnslog.INFO)
		capnslog.SetFormatter(capnslog.NewGlogFormatter(os.Stderr))
	}
}

func main() {
	flag.Parse()
	capnslog.SetFormatter(capnslog.NewGlogFormatter(os.Stderr))

	client := startClient()
	client.MustDetectRemote()

	c := NewController(client)
	c.RefreshColumns()
	g := gocui.NewGui()
	if err := g.Init(); err != nil {
		log.Fatal(err)
	}

	g.SetLayout(c.layout)

	if err := initKeybindings(g, c); err != nil {
		log.Fatal(err)
	}

	err := g.MainLoop()
	if err != nil && err != gocui.Quit {
		g.Close()
		log.Fatal(err)
	}
	g.Close()

}

func main() {
	rl := capnslog.MustRepoLogger("github.com/coreos/pkg/capnslog/cmd")
	capnslog.SetFormatter(capnslog.NewStringFormatter(os.Stderr))

	// We can parse the log level configs from the command line
	flag.Parse()
	if flag.NArg() > 1 {
		cfg, err := rl.ParseLogLevelConfig(flag.Arg(1))
		if err != nil {
			log.Fatal(err)
		}
		rl.SetLogLevel(cfg)
		log.Infof("Setting output to %s", flag.Arg(1))
	}

	// Send some messages at different levels to the different packages
	dlog.Infof("Hello Dolly")
	dlog.Warningf("Well hello, Dolly")
	log.Errorf("It's so nice to have you back where you belong")
	dlog.Debugf("You're looking swell, Dolly")
	dlog.Tracef("I can tell, Dolly")

	// We also have control over the built-in "log" package.
	capnslog.SetGlobalLogLevel(logLevel)
	oldlog.Println("You're still glowin', you're still crowin', you're still lookin' strong")
	log.Fatalf("Dolly'll never go away again")
}

func main() {
	// Parse command-line arguments
	flag.CommandLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)
	flagConfigPath := flag.String("config", "/etc/clair/config.yaml", "Load configuration from the specified file.")
	flagCPUProfilePath := flag.String("cpu-profile", "", "Write a CPU profile to the specified file before exiting.")
	flagLogLevel := flag.String("log-level", "info", "Define the logging level.")
	flag.Parse()
	// Load configuration
	config, err := config.Load(*flagConfigPath)
	if err != nil {
		log.Fatalf("failed to load configuration: %s", err)
	}

	// Initialize logging system
	logLevel, err := capnslog.ParseLevel(strings.ToUpper(*flagLogLevel))
	capnslog.SetGlobalLogLevel(logLevel)
	capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))

	// Enable CPU Profiling if specified
	if *flagCPUProfilePath != "" {
		defer stopCPUProfiling(startCPUProfiling(*flagCPUProfilePath))
	}

	clair.Boot(config)
}

func init() {
	capabilities.SetForTests(capabilities.Capabilities{
		AllowPrivileged: true,
	})
	flag.Set("v", "5")
	capnslog.SetGlobalLogLevel(capnslog.DEBUG)
	capnslog.SetFormatter(capnslog.NewGlogFormatter(os.Stderr))
}

func ClairServiceInit() error {
	// Load database setting
	if setting.ClairDBPath != "" {
		clairConf.DBPath = setting.ClairDBPath
	} else {
		clairConf.DBPath = DefaultClairDBPath
	}

	clairConf.KeepDB = setting.ClairKeepDB
	clairConf.LogLevel = setting.ClairLogLevel
	clairConf.Duration = setting.ClairUpdateDuration
	clairConf.VulnPriority = setting.ClairVulnPriority

	// Set database
	if err := database.Open("bolt", clairConf.DBPath); err != nil {
		logrus.Debug(err)
		return err
	}

	// Set logLevel of clair lib
	logLevel, err := capnslog.ParseLevel(strings.ToUpper(clairConf.LogLevel))
	if err != nil {
		logLevel, _ = capnslog.ParseLevel(strings.ToUpper(DefaultClairLogLevel))
	}
	capnslog.SetGlobalLogLevel(logLevel)
	capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))

	// Set minumum priority parameter.
	if types.Priority(clairConf.VulnPriority).IsValid() {
		logrus.Debugf("Vuln priority is invalid :%v.", clairConf.VulnPriority)
		clairConf.VulnPriority = DefaultClairVulnPriority
	}

	// Set 'duration' and Update the CVE database
	if clairConf.Duration == "" {
		logrus.Debugf("No duration set, so only update at the beginning.")
		go updater.Update()
		clairStopper = nil
	} else {
		st := utils.NewStopper()
		st.Begin()
		d, err := time.ParseDuration(clairConf.Duration)
		if err != nil {
			logrus.Warnf("Wrong duration format, use the default duration: %v.", DefaultClairUpdateDuration)
			clairConf.Duration = DefaultClairUpdateDuration
			d, err = time.ParseDuration(clairConf.Duration)
			if err != nil {
				logrus.Debugf("Cannot pare du %v", err)
			}
		}

		go updater.Run(d, st)
		clairStopper = st
		st.Begin()
	}
	return nil
}

func main() {

	capnslog.SetGlobalLogLevel(capnslog.DEBUG)
	capnslog.SetFormatter(capnslog.NewGlogFormatter(os.Stderr))
	f, err := capnslog.NewJournaldFormatter()
	if err == nil {
		capnslog.SetFormatter(f)
	}

	plog.Tracef("trace")
	plog.Debugf("debug")
	plog.Noticef("notice")
	plog.Infof("info")
	plog.Warningf("warn")
	plog.Errorf("error")
	plog.Fatalf("fatal")
	plog.Panicf("panic")
}

func init() {
	log.SetFormatter(log.NewPrettyFormatter(os.Stdout, true))
	apnsLogger = log.NewPackageLogger("apns-microservice", "apns")
	serverLogger = log.NewPackageLogger("apns-microservice", "http")

	log.SetGlobalLogLevel(log.INFO)

	apns.SetLogger(apnsLogger)
	server.SetLogger(serverLogger)
}

func main() {
	capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))
	capnslog.SetGlobalLogLevel(capnslog.TRACE)
	plog.Debug("aaa")
	plog.Trace("aaa")
	plog.Info("aaa")
	plog.Notice("aaa")
	plog.Warning("aaa")
	plog.Error("aaa")
	plog.Fatal("aaa")
	plog.Panic("aaa")
}

func InitializeConfig() {
	rl := capnslog.MustRepoLogger("github.com/ecnahc515/core")
	capnslog.SetFormatter(capnslog.NewStringFormatter(os.Stderr))
	capnslog.SetGlobalLogLevel(capnslog.INFO)

	if logLevel != "" {
		llc, err := rl.ParseLogLevelConfig(logLevel)
		if err != nil {
			plog.Fatal(err)
		}
		rl.SetLogLevel(llc)
		plog.Printf("Setting log level to %s", logLevel)
	}

	// TODO move to fetch/run specifically?
	if coreCfg.ImageDirectory == coreos.DefaultImageDirectory {
		coreCfg.ImageDirectory = os.ExpandEnv(coreCfg.ImageDirectory)
		err := CreateDirIfNotExist(coreCfg.ImageDirectory)
		if err != nil {
			plog.Errorf("Unable to create default image directory, err: %s", err)
		}
	}
}

// Run is the main execution entrypoint to run mgmt.
func (obj *Main) Run() error {

	var start = time.Now().UnixNano()

	var flags int
	if obj.DEBUG || true { // TODO: remove || true
		flags = log.LstdFlags | log.Lshortfile
	}
	flags = (flags - log.Ldate) // remove the date for now
	log.SetFlags(flags)

	// un-hijack from capnslog...
	log.SetOutput(os.Stderr)
	if obj.VERBOSE {
		capnslog.SetFormatter(capnslog.NewLogFormatter(os.Stderr, "(etcd) ", flags))
	} else {
		capnslog.SetFormatter(capnslog.NewNilFormatter())
	}

	log.Printf("This is: %s, version: %s", obj.Program, obj.Version)
	log.Printf("Main: Start: %v", start)

	hostname, err := os.Hostname() // a sensible default
	// allow passing in the hostname, instead of using the system setting
	if h := obj.Hostname; h != nil && *h != "" { // override by cli
		hostname = *h
	} else if err != nil {
		return errwrap.Wrapf(err, "Can't get default hostname!")
	}
	if hostname == "" { // safety check
		return fmt.Errorf("Hostname cannot be empty!")
	}

	var prefix = fmt.Sprintf("/var/lib/%s/", obj.Program) // default prefix
	if p := obj.Prefix; p != nil {
		prefix = *p
	}
	// make sure the working directory prefix exists
	if obj.TmpPrefix || os.MkdirAll(prefix, 0770) != nil {
		if obj.TmpPrefix || obj.AllowTmpPrefix {
			var err error
			if prefix, err = ioutil.TempDir("", obj.Program+"-"+hostname+"-"); err != nil {
				return fmt.Errorf("Main: Error: Can't create temporary prefix!")
			}
			log.Println("Main: Warning: Working prefix directory is temporary!")

		} else {
			return fmt.Errorf("Main: Error: Can't create prefix!")
		}
	}
	log.Printf("Main: Working prefix is: %s", prefix)

	var wg sync.WaitGroup
	var G, oldGraph *pgraph.Graph

	// exit after `max-runtime` seconds for no reason at all...
	if i := obj.MaxRuntime; i > 0 {
		go func() {
			time.Sleep(time.Duration(i) * time.Second)
			obj.Exit(nil)
		}()
	}

	// setup converger
	converger := converger.NewConverger(
		obj.ConvergedTimeout,
		nil, // stateFn gets added in by EmbdEtcd
	)
	go converger.Loop(true) // main loop for converger, true to start paused

	// embedded etcd
	if len(obj.seeds) == 0 {
		log.Printf("Main: Seeds: No seeds specified!")
	} else {
		log.Printf("Main: Seeds(%d): %v", len(obj.seeds), obj.seeds)
	}
	EmbdEtcd := etcd.NewEmbdEtcd(
		hostname,
		obj.seeds,
		obj.clientURLs,
		obj.serverURLs,
		obj.NoServer,
		obj.idealClusterSize,
		prefix,
		converger,
	)
	if EmbdEtcd == nil {
		// TODO: verify EmbdEtcd is not nil below...
		obj.Exit(fmt.Errorf("Main: Etcd: Creation failed!"))
	} else if err := EmbdEtcd.Startup(); err != nil { // startup (returns when etcd main loop is running)
		obj.Exit(fmt.Errorf("Main: Etcd: Startup failed: %v", err))
	}
	convergerStateFn := func(b bool) error {
		// exit if we are using the converged timeout and we are the
		// root node. otherwise, if we are a child node in a remote
		// execution hierarchy, we should only notify our converged
		// state and wait for the parent to trigger the exit.
		if t := obj.ConvergedTimeout; obj.Depth == 0 && t >= 0 {
			if b {
//.........這裏部分代碼省略.........

func main() {
	rand.Seed(time.Now().UTC().UnixNano())

	var err error
	st := utils.NewStopper()

	// Parse command-line arguments
	kingpin.Parse()
	if *cfgDbType != "memstore" && *cfgDbPath == "" {
		kingpin.Errorf("required flag --db-path not provided, try --help")
		os.Exit(1)
	}
	if *cfgNotifierType == "http" && *cfgNotifierHTTPURL == "" {
		kingpin.Errorf("required flag --notifier-http-url not provided, try --help")
		os.Exit(1)
	}

	// Initialize error/logging system
	logLevel, err := capnslog.ParseLevel(strings.ToUpper(*cfgLogLevel))
	capnslog.SetGlobalLogLevel(logLevel)
	capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))

	// Enable CPU Profiling if specified
	if *cfgCPUProfilePath != "" {
		f, err := os.Create(*cfgCPUProfilePath)
		if err != nil {
			log.Fatalf("failed to create profile file: %s", err)
		}
		defer f.Close()

		pprof.StartCPUProfile(f)
		log.Info("started profiling")

		defer func() {
			pprof.StopCPUProfile()
			log.Info("stopped profiling")
		}()
	}

	// Open database
	err = database.Open(*cfgDbType, *cfgDbPath)
	if err != nil {
		log.Fatal(err)
	}
	defer database.Close()

	// Start notifier
	var notifierService notifier.Notifier
	switch *cfgNotifierType {
	case "http":
		notifierService, err = notifier.NewHTTPNotifier(*cfgNotifierHTTPURL)
		if err != nil {
			log.Fatalf("could not initialize HTTP notifier: %s", err)
		}
	}
	if notifierService != nil {
		st.Begin()
		go notifierService.Run(st)
	}

	// Start Main API and Health API
	st.Begin()
	go api.RunMain(&api.Config{
		Port:     *cfgAPIPort,
		TimeOut:  *cfgAPITimeout,
		CertFile: *cfgAPICertFile,
		KeyFile:  *cfgAPIKeyFile,
		CAFile:   *cfgAPICAFile,
	}, st)
	st.Begin()
	go api.RunHealth(*cfgAPIPort+1, st)

	// Start updater
	st.Begin()
	go updater.Run(*cfgUpdateInterval, st)

	// This blocks the main goroutine which is required to keep all the other goroutines running
	interrupts := make(chan os.Signal, 1)
	signal.Notify(interrupts, os.Interrupt)
	<-interrupts
	log.Info("Received interruption, gracefully stopping ...")
	st.Stop()
}

func main() {
	flags := struct {
		address     string
		rpcAddress  string
		dataPath    string
		assetsPath  string
		logLevel    string
		certFile    string
		keyFile     string
		caFile      string
		keyRingPath string
		version     bool
		help        bool
	}{}
	flag.StringVar(&flags.address, "address", "127.0.0.1:8080", "HTTP listen address")
	flag.StringVar(&flags.rpcAddress, "rpc-address", "", "RPC listen address")
	flag.StringVar(&flags.dataPath, "data-path", "/var/lib/bootcfg", "Path to data directory")
	flag.StringVar(&flags.assetsPath, "assets-path", "/var/lib/bootcfg/assets", "Path to static assets")

	// Log levels https://godoc.org/github.com/coreos/pkg/capnslog#LogLevel
	flag.StringVar(&flags.logLevel, "log-level", "info", "Set the logging level")

	// gRPC Server TLS
	flag.StringVar(&flags.certFile, "cert-file", "/etc/bootcfg/server.crt", "Path to the server TLS certificate file")
	flag.StringVar(&flags.keyFile, "key-file", "/etc/bootcfg/server.key", "Path to the server TLS key file")
	// TLS Client Authentication
	flag.StringVar(&flags.caFile, "ca-file", "/etc/bootcfg/ca.crt", "Path to the CA verify and authenticate client certificates")

	// Signing
	flag.StringVar(&flags.keyRingPath, "key-ring-path", "", "Path to a private keyring file")

	// subcommands
	flag.BoolVar(&flags.version, "version", false, "print version and exit")
	flag.BoolVar(&flags.help, "help", false, "print usage and exit")

	// parse command-line and environment variable arguments
	flag.Parse()
	if err := flagutil.SetFlagsFromEnv(flag.CommandLine, "BOOTCFG"); err != nil {
		log.Fatal(err.Error())
	}
	// restrict OpenPGP passphrase to pass via environment variable only
	passphrase := os.Getenv("BOOTCFG_PASSPHRASE")

	if flags.version {
		fmt.Println(version.Version)
		return
	}

	if flags.help {
		flag.Usage()
		return
	}

	// validate arguments
	if url, err := url.Parse(flags.address); err != nil || url.String() == "" {
		log.Fatal("A valid HTTP listen address is required")
	}
	if finfo, err := os.Stat(flags.dataPath); err != nil || !finfo.IsDir() {
		log.Fatal("A valid -data-path is required")
	}
	if flags.assetsPath != "" {
		if finfo, err := os.Stat(flags.assetsPath); err != nil || !finfo.IsDir() {
			log.Fatalf("Provide a valid -assets-path or '' to disable asset serving: %s", flags.assetsPath)
		}
	}
	if flags.rpcAddress != "" {
		if _, err := os.Stat(flags.certFile); err != nil {
			log.Fatalf("Provide a valid TLS server certificate with -cert-file: %v", err)
		}
		if _, err := os.Stat(flags.keyFile); err != nil {
			log.Fatalf("Provide a valid TLS server key with -key-file: %v", err)
		}
		if _, err := os.Stat(flags.caFile); err != nil {
			log.Fatalf("Provide a valid TLS certificate authority for authorizing client certificates: %v", err)
		}
	}

	// logging setup
	lvl, err := capnslog.ParseLevel(strings.ToUpper(flags.logLevel))
	if err != nil {
		log.Fatalf("invalid log-level: %v", err)
	}
	capnslog.SetGlobalLogLevel(lvl)
	capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))

	// (optional) signing
	var signer, armoredSigner sign.Signer
	if flags.keyRingPath != "" {
		entity, err := sign.LoadGPGEntity(flags.keyRingPath, passphrase)
		if err != nil {
			log.Fatal(err)
		}
		signer = sign.NewGPGSigner(entity)
		armoredSigner = sign.NewArmoredGPGSigner(entity)
	}

	// storage
	store := storage.NewFileStore(&storage.Config{
		Root: flags.dataPath,
	})
//.........這裏部分代碼省略.........

func main() {
	flags := struct {
		address    string
		configPath string
		dataPath   string
		assetsPath string
		logLevel   string
		version    bool
		help       bool
	}{}
	flag.StringVar(&flags.address, "address", "127.0.0.1:8080", "HTTP listen address")
	flag.StringVar(&flags.configPath, "config", "./data/config.yaml", "Path to config file")
	flag.StringVar(&flags.dataPath, "data-path", "./data", "Path to data directory")
	flag.StringVar(&flags.assetsPath, "assets-path", "./assets", "Path to static assets")
	// available log levels https://godoc.org/github.com/coreos/pkg/capnslog#LogLevel
	flag.StringVar(&flags.logLevel, "log-level", "info", "Set the logging level")
	// subcommands
	flag.BoolVar(&flags.version, "version", false, "print version and exit")
	flag.BoolVar(&flags.help, "help", false, "print usage and exit")

	// parse command-line and environment variable arguments
	flag.Parse()
	if err := flagutil.SetFlagsFromEnv(flag.CommandLine, "BOOTCFG"); err != nil {
		log.Fatal(err.Error())
	}

	if flags.version {
		fmt.Println(version)
		return
	}

	if flags.help {
		flag.Usage()
		return
	}

	// validate arguments
	if url, err := url.Parse(flags.address); err != nil || url.String() == "" {
		log.Fatal("A valid HTTP listen address is required")
	}
	if finfo, err := os.Stat(flags.configPath); err != nil || finfo.IsDir() {
		log.Fatal("A path to a config file is required")
	}
	if finfo, err := os.Stat(flags.dataPath); err != nil || !finfo.IsDir() {
		log.Fatal("A path to a data directory is required")
	}
	if finfo, err := os.Stat(flags.assetsPath); err != nil || !finfo.IsDir() {
		log.Fatal("A path to an assets directory is required")
	}

	// logging setup
	lvl, err := capnslog.ParseLevel(strings.ToUpper(flags.logLevel))
	if err != nil {
		log.Fatalf("Invalid log-level: %v", err.Error())
	}
	capnslog.SetGlobalLogLevel(lvl)
	capnslog.SetFormatter(capnslog.NewPrettyFormatter(os.Stdout, false))

	// storage
	store := api.NewFileStore(http.Dir(flags.dataPath))

	// load bootstrap config
	cfg, err := config.LoadConfig(flags.configPath)
	if err != nil {
		log.Fatal(err)
	}
	store.BootstrapGroups(cfg.Groups)

	// API server
	config := &api.Config{
		Store:      store,
		AssetsPath: flags.assetsPath,
	}
	server := api.NewServer(config)
	log.Infof("starting bootcfg API Server on %s", flags.address)
	err = http.ListenAndServe(flags.address, server.HTTPHandler())
	if err != nil {
		log.Fatalf("failed to start listening: %s", err)
	}
}