logger

README

Logger

Colorful logging with additional time and level output.

Feel free to add new functions or improve the existing code.

Install

go get github.com/iconimpact/go-core/logger

Usage and Examples

// init logger
log := logging.Logger{MinLevel: "verbose"}

// set settings from a config
log.MinLevel = cfg.MinLevel
log.TimeFormat = cfg.TimeFormat
log.UseColor = cfg.UseColor
log.ReportCaller = cfg.ReportCaller

// disable colors for tests
if test {
    log.UseColor = false
}

// use JSON output for production
if cfg.Env == "prod" {
    log.UseJSON = true
}

Documentation

Overview

Package logger Colorful logging with additional time and level output

Index

• type Colors
• type LogRow
• type Logger
  • func (l *Logger) Debug(text ...interface{})
  • func (l *Logger) Error(text ...interface{})
  • func (l *Logger) Info(text ...interface{})
  • func (l *Logger) Verbose(text ...interface{})
  • func (l *Logger) Warning(text ...interface{})

Types

type Colors

type Colors struct {
	// contains filtered or unexported fields
}

Colors ANSI CLI colors

type LogRow

type LogRow struct {
	Level    string `json:"level"`
	Time     string `json:"time"`
	Message  string `json:"message"`
	LevelInt int    `json:"level_int"`
	Caller   string `json:"caller,omitempty"`
}

LogRow represents a log entry and is serialized to JSON.

type Logger

type Logger struct {
	MinLevel     string
	TimeFormat   string // use example date: "2006-01-02 15:04:05.000" or "15:04:05.000"
	UseColor     bool
	UseJSON      bool
	ReportCaller bool
	Output       io.Writer
}

Logger settings

func (*Logger) Debug

func (l *Logger) Debug(text ...interface{})

Debug logging

func (*Logger) Error

func (l *Logger) Error(text ...interface{})

Error logging

func (*Logger) Info

func (l *Logger) Info(text ...interface{})

Info logging

func (*Logger) Verbose

func (l *Logger) Verbose(text ...interface{})

Verbose logging - note: Its just debug.

func (*Logger) Warning

func (l *Logger) Warning(text ...interface{})

Warning logging