Python gets the bound IP and dynamically specifies the egress IP

In the process of doing the collector, often encounter the situation of IP restrictions, this time can be switched through the IP can continue to access.

If it is a multi-IP server, then you can switch the export IP to achieve.

1. First, how to obtain the server-bound IP

Import netifaces as Nidef getlocalethips (): For Dev in ni.interfaces (): If Dev.startswith (' eth0 '): ip=ni.ifaddresses (Dev) [2] [0] [' addr ']if IP not in ipList:ipList.append (IP) print getlocalethips ()

Need to introduce Netifaces module, installation method Easy_install Netifaces

2. Binding the egress IP for the socket

#-*-Coding=utf-8-*-import socketimport urllib2import retrue_socket = socket.socketipbind= ' xx.xx.xxx.xx ' def bound_ Socket (*a, **k): sock = True_socket (*a, **k) Sock.bind ((ipbind, 0)) return socksocket.socket = Bound_socketresponse = Urllib2.urlopen (' http://www.ip.cn ') HTML = Response.read () ip=re.search (r ' code. *?).. Code ', HTML) print Ip.group (1)

 

 

After this is to verify the actual extranet IP by accessing the ip.cn, which is the R ' <code> (. *?) </code> ', because of the blog code conflicts, so changed.

Reference from: Http://stackoverflow.com/questions/1150332/source-interface-with-python-and-urllib2

3. I implemented the random bound egress IP

#!/usr/bin/python#-*-coding:utf-8-*-import socketimport randomimport netifaces as Nitrue_socket = Socket.socketipList =[]class getlocalips (): Global iplistdef getlocalethips (self): for Dev in ni.interfaces (): If Dev.startswith (' eth0 '): ip= Ni.ifaddresses (Dev) [2][0][' addr ']if IP not in ipList:ipList.append (IP) class Bindip (): ip= ' Global True_socket, Iplistdef Bound_socket (Self,*a, **k): sock = True_socket (*a, **k) Sock.bind ((Self.ip, 0)) return sockdef Changeip (self, IPAddress): Self.ip=ipaddressif not self.ip== ": Socket.socket = Self.bound_socketelse:socket.socket = True_socketdef RANDOMIP (self): If Len (iplist) ==0:getlocalipsfunction=getlocalips () getlocalipsfunction.getlocalethips () If Len ( IPList) ==0:return_ip=random.choice (iplist) if not _ip==self.ip:self.changeip (_IP) def getip (self): return self.ipdef Getipscount (self): return len (IPList)

4. Invoking the sample

bindipobj= Bindip () #随机切换IPbindIpObj. RANDOMIP () #得到当前IPprint bindipobj.getip () #得到本机IP数print bindipobj.getipscount () #切换到指定IPprint bindipobj. Changeip (' xxx.xx.xx.xxx ')

Python gets the bound IP and dynamically specifies the egress IP