using Lumberjack and Zerolog

logging.go

package main

import (
	"log"
	"os"
	"path"
	"strings"

	"github.com/rs/zerolog"
	"gopkg.in/natefinch/lumberjack.v2"
)

const LOGDIRECTORY = "dirwalker_logs"
const LOG_FILE_NAME = "dirwalker.log"
const MAXBACKUPS = 10
const MAXSIZE = 10
const MAXAGE = 10

func setupLogger() {
	zerolog.TimeFieldFormat = zerolog.TimeFormatUnix
	zerolog.SetGlobalLevel(zerolog.InfoLevel)
	currentWorkingDirectory, _ := os.Getwd()
	loggerPath := path.Join(currentWorkingDirectory, LOGDIRECTORY)

	customeLogger := lumberjack.Logger{
		Filename:   path.Join(loggerPath, LOG_FILE_NAME),
		MaxBackups: MAXBACKUPS, // files
		MaxSize:    MAXSIZE,    // megabytes
		MaxAge:     MAXAGE,     // days
	}
	logger := zerolog.New(&customeLogger).With().Timestamp().Logger()
	logger.Info().Msg("Logger setup complete")
}


func main() {
	log.Println("Logger 1.0")
	setupLogger()
}