zlog/log/log.go
2017-09-01 19:59:48 -07:00

104 lines
2.7 KiB
Go

// Package log provides a global logger for zerolog.
package log
import (
"context"
"io"
"os"
"github.com/rs/zerolog"
)
// Logger is the global logger.
var Logger = zerolog.New(os.Stderr).With().Timestamp().Logger()
// Output duplicates the global logger and sets w as its output.
func Output(w io.Writer) zerolog.Logger {
return Logger.Output(w)
}
// With creates a child logger with the field added to its context.
func With() zerolog.Context {
return Logger.With()
}
// Level crestes a child logger with the minium accepted level set to level.
func Level(level zerolog.Level) zerolog.Logger {
return Logger.Level(level)
}
// Sample returns a logger with the s sampler.
func Sample(s zerolog.Sampler) zerolog.Logger {
return Logger.Sample(s)
}
// Debug starts a new message with debug level.
//
// You must call Msg on the returned event in order to send the event.
func Debug() *zerolog.Event {
return Logger.Debug()
}
// Info starts a new message with info level.
//
// You must call Msg on the returned event in order to send the event.
func Info() *zerolog.Event {
return Logger.Info()
}
// Warn starts a new message with warn level.
//
// You must call Msg on the returned event in order to send the event.
func Warn() *zerolog.Event {
return Logger.Warn()
}
// Error starts a new message with error level.
//
// You must call Msg on the returned event in order to send the event.
func Error() *zerolog.Event {
return Logger.Error()
}
// Fatal starts a new message with fatal level. The os.Exit(1) function
// is called by the Msg method.
//
// You must call Msg on the returned event in order to send the event.
func Fatal() *zerolog.Event {
return Logger.Fatal()
}
// Panic starts a new message with panic level. The message is also sent
// to the panic function.
//
// You must call Msg on the returned event in order to send the event.
func Panic() *zerolog.Event {
return Logger.Panic()
}
// Log starts a new message with no level. Setting zerolog.GlobalLevel to
// zerlog.Disabled will still disable events produced by this method.
//
// You must call Msg on the returned event in order to send the event.
func Log() *zerolog.Event {
return Logger.Log()
}
// Print sends a log event using debug level and no extra field.
// Arguments are handled in the manner of fmt.Print.
func Print(v ...interface{}) {
Logger.Print(v...)
}
// Printf sends a log event using debug level and no extra field.
// Arguments are handled in the manner of fmt.Printf.
func Printf(format string, v ...interface{}) {
Logger.Printf(format, v...)
}
// Ctx returns the Logger associated with the ctx. If no logger
// is associated, a disabled logger is returned.
func Ctx(ctx context.Context) *zerolog.Logger {
return zerolog.Ctx(ctx)
}