golang守护进程用法示例

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)
        }
}

#! /bin/bash
while true; do
    ./you_command
done