Python与Cisco的事儿之四

Posted 2020-10-23

   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/python

from netmiko import ConnectHandler
from netmiko.ssh_exception import NetMikoTimeoutException
import time
import sys
import getpass
import datetime

class CiscoNetwork():
        def __init__(self,username,password):
                 self.username = username
                 self.password = password

        def 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.hostname

        def cdpconfig(self):
                self.output = self.connect.send_command('show cdp nei')
                lines = self.output.splitlines()[5:-2]
                #print lines
                hostname = None
                config = []
                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 = None
                    else:
                         local = ''.join(words[0:2])
                         remote = ''.join(words[-2:])
                         description = '_'.join((hostname,remote))
                         config.append('interface' + local)
                         config.append('description' + description)
                         hostname = None
                self.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  =  tftpip
                 bkconf  = '\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 = None
                       print '[+] 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!')