切割日志

main.go

package main

import (
   "fmt"
   "github.com/langwan/langgo"
   "github.com/langwan/langgo/core/log"
   "os"
   "syscall"
   "time"
)

func main() {
   langgo.Run()
   log.SetCuttingSignal(syscall.SIGUSR1)
   fmt.Printf("pid = %d\n", os.Getpid())
   langgo.SignalNotify()
   for {
      log.Logger("app", "main").Info().Timestamp().Send()
      time.Sleep(time.Second)
   }
}

output

pid = 27354
12:05PM INF tag=main
12:05PM INF tag=main
12:05PM INF tag=main
... ...

cut.sh

#!/usr/bin/env bash
mv logs/app.log logs/app.log.bk
kill -USR1 27354

file system

App (root)
├─ main.go
├─ cut.sh
└─ logs
   └─ app.log
   └─ app.log.bk

langgo-examples/0.5.x/Advanced/Cutting-Log at main · langwan/langgo-examplesGitHub