以下代码实现的流程: cdp -->获取相应链接的信息-->自动写进设备相对应的端口--->configure保存-->configure备份到TFTP服务器!

#!/usr/bin/pythonfrom netmiko import ConnectHandler
from netmiko.ssh_exception import NetMikoTimeoutException
import time
import sys
import getpass
import datetimeclass CiscoNetwork():def __init__(self,username,password):self.username = usernameself.password = passworddef CiscoDevice(self,iplist):self.device={'device_type':'cisco_ios','username':self.username,'password':self.password,'ip':iplist}print('-'*100)print "[+]connect to network device... %s" %(iplist)self.connect = ConnectHandler(**self.device)self.connect.enable()def gethostname(self):self.hostname = self.connect.find_prompt()self.hostname = self.hostname.replace("#","")print self.hostnamedef cdpconfig(self):self.output = self.connect.send_command('show cdp nei')lines = self.output.splitlines()[5:-2]#print lineshostname = Noneconfig = []for line in lines:words = line.split()if len(words) == 1:hostname = words[0].split('.')[0]elif hostname is None:hostname = words[0].split('.')[0]local = ''.join(words[1:3])remote = ''.join(words[-2:])description = '_'.join((hostname,remote))config.append('interface' + ' '+ local)config.append('description' + ' ' + description)hostname = Noneelse:local = ''.join(words[0:2])remote = ''.join(words[-2:])description = '_'.join((hostname,remote))config.append('interface' + ' '+ local)config.append('description' + ' ' + description)hostname = Noneself.config ='\n'.join(config)def configure(self):configure = self.connect.send_config_set(self.config)saveconfigure = self.connect.send_command('write  memory')def backup(self,tftpip):date = datetime.datetime.now().strftime('%Y-%m-%d')bkhostname   = '_'.join((self.hostname,date))backupcmd    =  'copy running-config tftp:'self.tftpip  =  tftpipbkconf  = '\n'.join((backupcmd,self.tftpip,bkhostname))self.bkconf  = self.connect.send_command(bkconf)def close(self):if self.connect is not None:self.connect.disconnect()self.connect = Noneprint '[+] Network devices complete all settings!'if __name__ == '__main__':print "[+] This Program is beging done......."#username = raw_input('Username:')#password = getpass.getpass()for iplist in open("/opt/other/ip.txt"):try:switch = CiscoNetwork('admin','Password.123')switch.CiscoDevice(iplist)switch.gethostname()switch.cdpconfig()switch.configure()switch.backup('172.16.200.201')switch.close()except (EOFError, NetMikoTimeoutException):print ('Can not connect to Device!')