为nagios写的一个监控cdn上proxy-server 的python脚本

#!/usr/local/bin/python

# --*-- coding=utf-8 --*--

############## by xiaofu ,contact at msn:xiaofu68#live.cn ####################

# Description : This visit website via proxy servers specified in advance, it polls backends periodically and if they responsed with http code 200 ,cdn clusters are marked "good",otherwise ,they are marked "bad",which will trigger warning and critical state and send alters to sys admins

import urllib2,sys

class Handler(object):

        def __init__(self,vip):

                self.vip=vip

        def check_site(self):

                proxy= urllib2.ProxyHandler({"http" : 'http://%s:80'%self.vip })

                opener = urllib2.build_opener(proxy)

                urllib2.install_opener(opener)

                Req=urllib2.Request("")

                f=urllib2.urlopen(Req, timeout=60)

                return f.code

region=sys.argv[1]

x=region.split('_')

ip=x[1]

sample=Handler(ip)

try:

  res_code=sample.check_site()

  if str(res_code) == '200' :

    print region,"seems ok"

    sys.exit(0)

# else:

# print "not ok"

except Exception,e:

    print 'could not visit sina.com via',region,' please check keepalived &

添加到$Path/libexec下，在commands.cfg注册，添加相关服务即可。