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('1427746783@qq.com', 'passwd')
        smtp.sendmail('1427746783@qq.com', ['1427746783@qq.com'], 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" + '
'
                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 + '
')

    except KeyboardInterrupt:
        sys.exit('
')

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。