Exemplo n.º 1
0
// GetLogrusLogger returns the logrus logger for the context. If one more keys
// are provided, they will be resolved on the context and included in the
// logger. Only use this function if specific logrus functionality is
// required.
func getLogrusLogger(ctx Context, keys ...interface{}) *logrus.Entry {
	var logger *logrus.Entry

	// Get a logger, if it is present.
	loggerInterface := ctx.Value("logger")
	if loggerInterface != nil {
		if lgr, ok := loggerInterface.(*logrus.Entry); ok {
			logger = lgr
		}
	}

	if logger == nil {
		// If no logger is found, just return the standard logger.
		logger = logrus.NewEntry(logrus.StandardLogger())
	}

	fields := logrus.Fields{}

	for _, key := range keys {
		v := ctx.Value(key)
		if v != nil {
			fields[fmt.Sprint(key)] = v
		}
	}

	return logger.WithFields(fields)
}
Exemplo n.º 2
0
func (hook *SyslogHook) Fire(entry *logrus.Entry) error {
	line, err := entry.String()
	if err != nil {
		fmt.Fprintf(os.Stderr, "Unable to read entry, %v", err)
		return err
	}

	switch entry.Level {
	case logrus.PanicLevel:
		return hook.Writer.Crit(line)
	case logrus.FatalLevel:
		return hook.Writer.Crit(line)
	case logrus.ErrorLevel:
		return hook.Writer.Err(line)
	case logrus.WarnLevel:
		return hook.Writer.Warning(line)
	case logrus.InfoLevel:
		return hook.Writer.Info(line)
	case logrus.DebugLevel:
		return hook.Writer.Debug(line)
	default:
		return nil
	}
}