python-脚本启动java -jar

#!/usr/bin/python
# coding: utf-8
import requests,socket,json,os

#重启halo博客
def frpc_reload():
    os.system("ps -a | grep halo | xargs kill -9 2>/dev/null")
    os.system("source /etc/profile; nohup java -jar /www/server/halo/halo-1.3.0.jar > /www/server/halo/console.log &")
    
#判断连接是否正常
def is_open(address,port):
    #print(port)
    s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
    try:
        s.connect((address,int(port)))
        s.shutdown(2)
        return True
    except:
        return False

host = '127.0.0.1'
port = '8090'

#判断是否连接正常并执行相关操作
if is_open(host,port):
    print('halo连接正常，无需执行相关操作')
else:
    frpc_reload()
    print('连接失败，重启halo博客')