gologger/gologger.go

package gologger

import (
	"fmt"
	"io"
	"os"
	"runtime"
	"strings"
	"sync"
	"time"

	"github.com/rs/zerolog"
)

var once sync.Once

var log zerolog.Logger

func Get(l string) zerolog.Logger {
	once.Do(func() {
		zerolog.TimeFieldFormat = time.RFC3339Nano

		var output io.Writer = zerolog.ConsoleWriter{
			Out:        os.Stdout,
			TimeFormat: time.RFC3339,
			FormatCaller: func(i interface{}) string {
				_, vpath, _, _ := runtime.Caller(0)
				bpath, _, _ := strings.Cut(vpath, "vendor/")
				_, ret, _ := strings.Cut(fmt.Sprintf("%s", i), bpath)
				return ret
			},
		}
		level, err := zerolog.ParseLevel(l)
		if err != nil {
			panic("unable to get parse level for logger")
		}

		log = zerolog.New(output).
			Level(zerolog.Level(level)).
			With().
			Timestamp().
			Logger()
	})

	return log
}