logging

Documentation

Index

• Constants
• func Err(err *error) (string, string)
• func Msg(message string) (string, string)
• func Msgf(format string, args ...interface{}) (string, string)
• func NewLogger(logfmt string, loglevel string) log.Logger

Constants

const (
	// MessageLabel is message label key for logger.
	MessageLabel = "msg"
)

Functions

func Err

func Err(err *error) (string, string)

Err returns key and error message for logging

func Msg

func Msg(message string) (string, string)

Msg returns MESSAGE_LABEL and message of argument.

func Msgf

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

Msgf returns MessageLabel and formatted message of argument.

func NewLogger

func NewLogger(logfmt string, loglevel string) log.Logger

NewLogger returns log.Logger instance.

logfmt is output log format. loglevel is output log level. More details,Plase check the following URL. https://godoc.org/github.com/prometheus/common/promlog/flag