package main

import (

        "log"

        "os"

        "os/exec"

        "time"

)

func main() {

        lf, err := os.OpenFile("angel.txt", os.O_CREATE | os.O_RDWR | os.O_APPEND, 0600)

        if err != nil {

                os.Exit(1)

        }

        defer lf.Close()

        // 日志

        l := log.New(lf, "", os.O_APPEND)

        for {

                cmd := exec.Command("/usr/local/bin/node", "/*****.js")

                err := cmd.Start()

                if err != nil {

                        l.Printf("%s 启动命令失败", time.Now().Format("2006-01-02 15:04:05"), err)

                        time.Sleep(time.Second * 5)

                        continue

                }

                l.Printf("%s 进程启动", time.Now().Format("2006-01-02 15:04:05"), err)

                err = cmd.Wait()

                l.Printf("%s 进程退出", time.Now().Format("2006-01-02 15:04:05"), err)

                time.Sleep(time.Second * 1)

        }

}