python监控端口脚本[jkport2.0.py]

#!/usr/bin/env python

#!coding=utf-8

import os

import time

import sys

import smtplib

from email.mime.text import MIMEText

from email.MIMEMultipart import MIMEMultipart

def sendsimplemail (warning):

    msg = MIMEText(warning)

    msg['Subject'] = 'python first mail'

    msg['From'] = 'root@localhost'

    try:

        smtp = smtplib.SMTP()

        smtp.connect(r'pop.qq.com')

        smtp.login('[email protected]', 'passwd')

        smtp.sendmail('[email protected]', ['[email protected]'], msg.as_string())

        smtp.close()

    except Exception, e:

        print e

time_str =  time.strftime( "%Y-%m-%d", time.localtime( ) )

file_name = "./" + time_str + ".log"

while True:

    print_str = "";

    Pro_status = os.popen('netstat -tulnp | grep nginx','r').readlines()

    now_time = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time()))

    try:

        if Pro_status == []:

            os.system('service nginx start')

            new_Pro_status = os.popen('netstat -tulnp | grep nginx','r').readlines()

            str1 = ''.join(new_Pro_status)

            port = str1.split()[3].split(':')[-1]

            if port != '9999':

                print_str = print_str + "nginx start fail ..."

            else:

                print_str = print_str + "nginx Program abort. an internal error has occurred" + '\n'

                print_str = print_str + "nginx start success ..."

#               sendsimplemail(warning = "This is a warning!!!")

        else:

            print_str = print_str + now_time +"nginx running ..."

        time.sleep(3)

        if os.path.exists ( file_name ) == False :

            os.mknod( file_name )

            handle = open ( file_name , "w" )

#           print ( print_str + "**********1")

            try:

             handle.write( print_str)

            except:

             log.error('write backup error:')

            finally:

             handle.close()

#            print ( print_str + "**********2")

        else:

            handle = open ( file_name , "a" )

            print ( print_str + "**********3")

            handle.write( print_str + '\n')

    except KeyboardInterrupt:

        sys.exit('\n')

这个是jkport更新版, 旧版在这里:python监控端口脚本

新增日志输出功能

运行模式, 直接守护:nohup ./jkport.py &

不用像以前那么繁琐。