sampleZapLumberJackIntegration.go

gistfile1.txt

package main

import (
	"fmt"
	"time"

	"go.uber.org/zap"
	"go.uber.org/zap/zapcore"
	"gopkg.in/natefinch/lumberjack.v2"
)

func main() {
	fmt.Println("Hello world!!")
	w := zapcore.AddSync(&lumberjack.Logger{
		Filename:   "/tmp/lumberjackedd_zap.log",
		MaxSize:    5, // megabytes
		MaxBackups: 4,
		MaxAge:     7,
		Compress:   false,
	})
	core := zapcore.NewCore(
		zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig()),
		w,
		zap.InfoLevel,
	)
	logger := zap.New(core)

	defer logger.Sync()
	url := "http://google.com"
	logger.Info("failed to fetch URL",
		// Structured context as strongly typed Field values.
		zap.String("url", url),
		zap.Int("attempt", 3),
		zap.Duration("backoff", time.Second),
	)

	str := `This is a long string.
	This is a long string.
	This is a long string.
	This is a long string.
	This is a long string.
	This is a long string.
	This is a long string.
	This is a long string.
	`

	for i := 1; i <= 50000; i++ {
		logger.Info(str)
	}
}