logger/logger.go

package logger

import (
	"fmt"
	"go/build"
	"os"
	"sync"

	"github.com/sirupsen/logrus"
)

var once sync.Once
var instance *logrus.Logger

func Get(logfile string) logrus.Logger {
	//	once.Do(func() {
	//		instance = initializeLogger()
	//	})
	initLogger(logfile)
	return *instance
}

func initLogger(logFile string) {
	log := logrus.New()
	path := build.Default.GOPATH + "/log/"
	if _, err := os.Stat(path); os.IsNotExist(err) {
		os.Mkdir(path, os.ModeDir)
	}
	var logpath = path + logFile
	fmt.Println(logpath)
	f, err := os.OpenFile(logpath, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0644)
	Formatter := new(logrus.TextFormatter)
	Formatter.TimestampFormat = "02-01-2006 15:04:05"
	Formatter.FullTimestamp = true
	log.SetFormatter(Formatter)
	if err != nil {
		fmt.Println(err)
	} else {
		log.SetOutput(f)
	}
	instance = log
	//return *log
}