lego/log/logger.go
2018-05-30 19:53:04 +02:00

59 lines
1.3 KiB
Go

package log
import (
"log"
"os"
)
// Logger is an optional custom logger.
var Logger *log.Logger
// Fatal writes a log entry.
// It uses Logger if not nil, otherwise it uses the default log.Logger.
func Fatal(args ...interface{}) {
if Logger == nil {
Logger = log.New(os.Stderr, "", log.LstdFlags)
}
Logger.Fatal(args...)
}
// Fatalf writes a log entry.
// It uses Logger if not nil, otherwise it uses the default log.Logger.
func Fatalf(format string, args ...interface{}) {
if Logger == nil {
Logger = log.New(os.Stderr, "", log.LstdFlags)
}
Logger.Fatalf(format, args...)
}
// Print writes a log entry.
// It uses Logger if not nil, otherwise it uses the default log.Logger.
func Print(args ...interface{}) {
if Logger == nil {
Logger = log.New(os.Stdout, "", log.LstdFlags)
}
Logger.Print(args...)
}
// Println writes a log entry.
// It uses Logger if not nil, otherwise it uses the default log.Logger.
func Println(args ...interface{}) {
if Logger == nil {
Logger = log.New(os.Stdout, "", log.LstdFlags)
}
Logger.Println(args...)
}
// Printf writes a log entry.
// It uses Logger if not nil, otherwise it uses the default log.Logger.
func Printf(format string, args ...interface{}) {
if Logger == nil {
Logger = log.New(os.Stdout, "", log.LstdFlags)
}
Logger.Printf(format, args...)
}