logger

Documentation

Overview

package logger is a package that provides a structured logger that's context.Context aware.

Index

• Variables
• func Crit(ctx context.Context, msg string, pairs ...interface{})
• func Debug(ctx context.Context, msg string, pairs ...interface{})
• func Error(ctx context.Context, msg string, pairs ...interface{})
• func Info(ctx context.Context, msg string, pairs ...interface{})
• func InfoContext(ctx context.Context, msg string, keys ...string)
• func Warn(ctx context.Context, msg string, pairs ...interface{})
• func WithLogger(ctx context.Context, l Logger) context.Context
• type Logger
  • func FromContext(ctx context.Context) (Logger, bool)
  • func New(l *log.Logger) Logger
  • func WithValues(ctx context.Context, keys ...string) (Logger, bool)

Variables

var Stdout = New(log.New(os.Stdout, "", 0))

Functions

func Crit

func Crit(ctx context.Context, msg string, pairs ...interface{})

func Debug

func Debug(ctx context.Context, msg string, pairs ...interface{})

func Error

func Error(ctx context.Context, msg string, pairs ...interface{})

func Info

func Info(ctx context.Context, msg string, pairs ...interface{})

func InfoContext

func InfoContext(ctx context.Context, msg string, keys ...string)

func Warn

func Warn(ctx context.Context, msg string, pairs ...interface{})

func WithLogger

func WithLogger(ctx context.Context, l Logger) context.Context

WithLogger inserts a log.Logger into the provided context.

Types

type Logger

type Logger interface {
	Debug(msg string, pairs ...interface{})
	Info(msg string, pairs ...interface{})
	Warn(msg string, pairs ...interface{})
	Error(msg string, pairs ...interface{})
	Crit(msg string, pairs ...interface{})
}

Logger represents a structured leveled logger.

func FromContext

func FromContext(ctx context.Context) (Logger, bool)

FromContext returns a log.Logger from the context.

func New

func New(l *log.Logger) Logger

New wraps the log.Logger to implement the Logger interface.

func WithValues

func WithValues(ctx context.Context, keys ...string) (Logger, bool)

WithValues returns a new logger prefixed with the values of the given keys after being extracted from the context.