Python之redis、mysql进程守护

#!/usr/bin/env python3 
# -*- coding: utf-8 -*-
# author:lipc

import os,time
process_name = ["mysql","redis"]
for i in process_name:
    try:
        process = len(os.popen('ps aux | grep "' + i + '" | grep -v grep | grep -v tail').readlines())
        if process >= 1:
            print("True")
        else:
            print("False")
            f = open('/app/20200423.log', "a")
            f.write('[' + str(time.strftime('%Y-%m-%d %H:%M:%S', time.localtime())) + '] no redis service,start it!\n')
            f.close()
            time.sleep(3)
            os.system('cd /app/redis/bin/ && ./start.sh')
    except:
        print("Check process ERROR!!!")