python修改linux主机ip

修改虚拟机的主机ip 和hostname

 import os, sys

 def conf_ip(ip):
     iplist = []
     f = open("/etc/sysconfig/network-scripts/ifcfg-eth0", "r+")
     for i in f:
         iplist.append('BOOTPROTO="static"\n' if 'BOOTPROTO=' in i else i)
     iplist.extend(['IPADDR="192.168.1.{0}"\n'.format(ip),'NETMASK="255.255.255.0"\n','GATEWAY="192.168.1.254"\n'])
     f.seek(0,0)
     f.writelines(iplist)
     f.truncate()
     f.close()

 def set_hostname(host):
     with open("/etc/hostname", "w") as f:
         f.write(host)

 if  __name__ == '__main__':
     if  len(sys.argv) == 3 and sys.argv[1].isdigit():
         conf_ip(sys.argv[1])
         set_hostname(sys.argv[2])
         os.remove(sys.argv[0])