【Python运维】最简单的Pytho

背景

最近在Windows 10上使用Linux子系统,发现它有一个非常坑爹的特点:Linux子系统是没有开机关机状态的,每次进入Bash shell就自动载入,退出后Linux子系统的所有进程都会被关闭,如果你撞了Mysql之类的服务要想随时运行的话就要保持Bash shell的随时开启,更坑的是这些服务并不会随之进入Bash shell而自动启动, 我只好写一个Python脚本用于管理这些服务。

相关技术

Python3, argparse module

代码

from os import system  from argparse import ArgumentParser    def start_service(service):      system("service {} start".format(service))    def stop_service(service):      system("service {} stop".format(service))    def restart_service(service):      print(service)      system("service {} restart".format(service))    def manage_service():      services = []      services.append("xinetd")      services.append("lighttpd")      return services    def set_args():      parser = ArgumentParser()      parser.add_argument("service", help = "the service to be managed.")      parser.add_argument("-s", "--start", help = "start the service(s).", action = "store_true")      parser.add_argument("-r", "--restart", help = "restart the service(s).", action = "store_true")      parser.add_argument("-p", "--stop", help = "stop the service(s).", action = "store_true")      return parser.parse_args()    def deal(args,services):      global start_service, restart_service, stop_service      services = services if not args.service else services if args.service == "all"else [args.service]      operation = start_service if args.start else restart_service if args.restart else stop_service      for  service in services:         operation(service)    if __name__ == "__main__":      deal(set_args(),manage_service())

运行

开启服务

(env) root@DESKTOP-1DDIIV2:~# python pyops.py all -s  initctl: 无法连接到 Upstart: Failed to connect to socket /com/ubuntu/upstart: 拒绝连接   * Starting internet superserver xinetd                                                                                                                          [fail]   * Starting web server lighttpd                                                                                                                                  [ OK ]  (env) root@DESKTOP-1DDIIV2:~#

关闭服务

(env) root@DESKTOP-1DDIIV2:~# python pyops.py xinetd -p  initctl: 无法连接到 Upstart: Failed to connect to socket /com/ubuntu/upstart: 拒绝连接   * Stopping internet superserver xinetd                                                                                                                          [ OK ]  (env) root@DESKTOP-1DDIIV2:~#

重启服务

(env) root@DESKTOP-1DDIIV2:~# python pyops.py xinetd -r  xinetd  initctl: 无法连接到 Upstart: Failed to connect to socket /com/ubuntu/upstart: 拒绝连接   * Stopping internet superserver xinetd                                                                                                                          [ OK ]   * Starting internet superserver xinetd                                                                                                                          [ OK ]  (env) root@DESKTOP-1DDIIV2:~#

感想

Python脚本还是比shell脚本好写很多啊。