logger

func Debug(args ...interface{})

func Debugf(format string, args ...interface{})

func Error(args ...interface{})

func Errorf(format string, args ...interface{})

func Fatal(args ...interface{})

func Fatalf(format string, args ...interface{})

func Info(args ...interface{})

func Infof(format string, args ...interface{})

func SetDebug(d bool)

func Warn(args ...interface{})

func Warnf(format string, args ...interface{})

func WithField(key string, value interface{}) *logrus.Entry

func WithFields(fs logrus.Fields) *logrus.Entry