logger

Documentation

Index

• Variables
• type LogLevel
  • func StringToLogLevel(s string) (LogLevel, error)
  • func (l LogLevel) String() string
• type Logger
• type StdLog
  • func NewStdLog(lvl LogLevel, logger *log.Logger) *StdLog
  • func (l StdLog) Log(lvl LogLevel, args ...interface{})

Variables

var ErrInvalidLogLevel = errors.New("invalid loglevel")

Types

type LogLevel

type LogLevel int

const (
	FATAL LogLevel = iota
	ERROR
	WARN
	INFO
	DEBUG
)

func StringToLogLevel

func StringToLogLevel(s string) (LogLevel, error)

func (LogLevel) String

func (l LogLevel) String() string

String implements the stringer interface

type Logger

type Logger interface {
	Log(LogLevel, ...interface{})
}

Logger interface specification

type StdLog

type StdLog struct {
	Level       LogLevel
	ExitOnFatal bool
	// contains filtered or unexported fields
}

StdLog turns a standard logger into a Logger interface implementation

func NewStdLog

func NewStdLog(lvl LogLevel, logger *log.Logger) *StdLog

func (StdLog) Log

func (l StdLog) Log(lvl LogLevel, args ...interface{})

Log will output a log line with the caller function, line and the arguments Arguments are primarily considered in key/value pairs, i.e. Log("key1", "value1", "key2", "value2") If there is no 2nd value argument given, the single argument will be used, i.e. Log("Single argument") or Log("key1", "value1", "single argument")