【Python】绑定修改网卡绑定关系的python程序

标签： <绑定修改网卡绑定关系的python程序>
python -s ethx -l hostname 用来查看网卡信息，例如光卡还是电卡
python set_ethx.py -f ethx -i x.x.x.x -m 255.x.x.x -l [host] -e ethx 根据需要用来配置ifcfg-ethx文件，DECIVE=(-e 后面的参数)

1. [代码][Python]代码

#!/usr/bin/env python
#-*-: coding: utf-8 -*-
 
import subprocess
import sys
import re
import optparse
import pxssh
import os
 
if sys.hexversion < 0x02040000:
        print >> sys.stderr, 'Your python version is too old (%s)' % \
                                                        (sys.version.split()[0])
        print >> sys.stderr, 'You need at least Python 2.4'
        sys.exit(1)
 
class RemoteDispatch(object):
    def __init__(self, host, usrname, password):
        self.host = host
        self.usr = usrname
        self.pwd = password
 
    def login(self):
        self.s=pxssh.pxssh()
        try:
                self.s.login(self.host, self.usr, self.pwd)
            except: 
            print "Login %s Failed !" % self.host
 
    def trasmit_cmd(self, cmdline):
        self.s.sendline(cmdline)
        self.s.prompt()
         
        return self.s.before.strip()
 
    def logout(self):
        self.s.logout()
 
class SetEthx(object):
    def __init__(self, host, username, password, options):
        self.opts = options
        self.host = host
        self.remote = RemoteDispatch(self.host, username, password)
        self.sock = self.remote.login()
 
    def search(self):
        output = self.remote.trasmit_cmd("ethtool -i %s" % self.opts.search)
        for i in output.split('\n')[1:]:
            print i
 
    def modify(self):
        if self.opts.ip:
            output = self.remote.trasmit_cmd("ifconfig %s" % self.opts.eth)
            content = self.process(output)
            self.remote.trasmit_cmd("echo '%s' > /etc//etc/sysconfig/network-scripts/ifcfg-%s" % (content, self.opts.file))
            self.remote.logout()
        else:
            print "Error ! Please press -i x.x.x.x !"
            sys.exit(1)
 
    def process(self, output):
        olist = output.split('\n')[1]
        m = re.match(".*HWaddr (.*).*", olist)
        if m:
            hwaddr = m.group(1)
            if hwaddr is None:
                print "have no hwaddr !"
                sys.exit(1)
            else:
                return "DEVICE=%s\nBOOTPROTO=static\nIPADDR=%s\nNETMASK=%sHWADDR=%s\nONBOOT=yes\n" % (self.opts.eth, self.opts.ip, self.opts.mask, hwaddr)  
        else:
            print "Don't finde HWaddr work !"
            sys.exit(1)
 
def parse_cmd():
    p = optparse.OptionParser(description="ethernet setup", prog="set_ethx", version="1.0", 
            usage="%prog [options] [ethx]")
    p.add_option("-s", "--search", action="store", dest="search", help="search ethernet tpye", 
            type="str")
    p.add_option("-f", "--file", action="store", dest="ifcfg-ethx file", help="modified ifcfg file", 
                        type="str")
    p.add_option("-i", "--ip", action="store", dest="ip", help="setup ip", type="str")
    p.add_option("-e", "--eth", action="store", dest="eth", help="set up ethx", type="str")
    p.add_option("-m", "--mask", action="store", dest="mask", help="set up mask", type="str")
    p.add_option("-l", "--host", action="store", dest="host", help="host name", type="str")
    (opts, args) = p.parse_args()
 
    return opts, args
 
def usage():
    print "python set_ethx.py -s ethx -l [host]\npython set_ethx.py -f ethx -i x.x.x.x -m 255.x.x.x -l [host] -e ethx"
 
def main():
    flag = False
    USERNAME = 'xxx'
    PASSWORD = 'xxxxxxx'
    opts, args = parse_cmd()
    try:
        if opts.host:
            obj = SetEthx(opts.host, USERNAME, PASSWORD, opts)
            if opts.search:
                obj.search()
                flag = True
            if flag == False:
                if opts.file and opts.ip and opts.eth and opts.mask:
                    obj.modify()
    except:
        print "set_ethx.py --help"
        usage()
        sys.exit(1)
         
if __name__ == '__main__':
    main()
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