10 examples of 'golang logging' in Go

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func logging(level int, format string, v ...interface{}) {
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	switch level {
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	case 0:
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		log.Println(fmt.Sprintf("[error] "+format, v...))
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	case 2:
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		log.Println(fmt.Sprintf("[info] "+format, v...))
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	case 4:
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		log.Println(fmt.Sprintf("[debug] "+format, v...))
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	}
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}

8
func (c *Client) Logging(l *lumber.Logger, level string) {
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	c.logger = l
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	if level == "DEBUG" {
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		c.debug = true
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	}
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}

587
func Logging(l *logs.Logger) Decorator {
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	return func(r Request) Request {
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		return RequestFunc(func(t *TransferRequest) error {
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			l.Println("TransferRequest", t)
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			return r.Process(t)
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		})
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	}
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}

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func setupLogging() {
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	klogFlags := flag.NewFlagSet("klog", flag.ExitOnError)
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	glog.InitFlags(klogFlags)
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	// Sync the glog and klog flags.
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	flag.CommandLine.VisitAll(func(f1 *flag.Flag) {
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		f2 := klogFlags.Lookup(f1.Name)
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		if f2 != nil {
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			value := f1.Value.String()
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			f2.Value.Set(value)
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		}
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	})
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}

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func setupLogging(debug bool) {
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	var traceDest io.Writer
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	traceDest = ioutil.Discard
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	if debug {
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		traceDest = os.Stderr
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	}
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	logger = log.New(traceDest, "INFO: ", log.LstdFlags)
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}

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func configureLogging() {
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	// Configure logging.
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	log.SetFlags(log.LstdFlags | log.Lshortfile)
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	log.SetOutput(Log)
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}

187
func initLogging() {
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	if err := setUpVerboseLogLevel(verbose); err != nil {
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		er(err)
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	}
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}

170
func configureLogging(cmd *cobra.Command, args []string) {
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	verbose, _ := cmd.Flags().GetBool(FlagVerbose)
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	for category, level := range logLevels {
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		if verbose {
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			logger.SetLevel(logger.DEBUG, category)
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		} else {
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			logger.SetLevel(level, category)
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		}
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	}
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}

63
func (a *MQServer) SetLog() {
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	level, err := logrus.ParseLevel(a.LogLevel)
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	if err != nil {
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		fmt.Println("set log level error." + err.Error())
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		return
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	}
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	logrus.SetLevel(level)
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}

331
func (config *LoggingConfig) InitLogging(outWriter, errWriter io.Writer) {
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	config.Info = appsodylogger{name: "Info"}
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	config.Warning = appsodylogger{name: "Warning"}
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	config.Error = appsodylogger{name: "Error"}
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	config.Debug = appsodylogger{name: "Debug"}
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	config.Container = appsodylogger{name: "Container"}
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	config.InitScript = appsodylogger{name: "InitScript"}
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	config.DockerLog = appsodylogger{name: "Docker"}
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	config.BuildahLog = appsodylogger{name: "Buildah"}
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	var allLoggers = []*appsodylogger{&config.Info, &config.Warning, &config.Error, &config.Debug, &config.Container, &config.InitScript, &config.DockerLog, &config.BuildahLog}
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	for _, l := range allLoggers {
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		l.outWriter = outWriter
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		l.errWriter = errWriter
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	}
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}