Python与Cisco 的事儿之二

Posted 2020-10-23

坚持连续Python大战CiscoNetwork。 

#!/usr/bin/python 

from netmiko import ConnectHandler
from netmiko.ssh_exception import NetMikoTimeoutException
import time
import sys
import getpass
import re
import StringIO

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 interfaceInfo(self,cmd):
                 result = self.connect.send_command(cmd)
                 for interface in result.split('\n'):
                      if 'up' in interface:
                          #print interface
                          lines=StringIO.StringIO(interface)
                          data = lines.read()
                          intername = ' '.join(re.findall('^Eth.+\/\d',data))
                          loopback  = ' '.join(re.findall('Loopback[0-9]',data))
                          interIP = re.findall( '\.'.join(['\d{1,3}']*4),data)
                          if intername:
                             print intername ,':', ''.join(interIP)
                          else:
                             print loopback  , ':', ''.join(interIP)
 
        def show(self,cmd):
                 result = self.connect.send_command(cmd)
                 lines = StringIO.StringIO(result)
                 data = lines.read()
                 uptime = re.findall('uptime.+',data)
                 id     = re.findall('\d{8}',data)
                 soft  = re.findall('L3_.+',data)
                 print 'Device UPtime:', ''.join(uptime)
                 print 'Device ID:', ''.join(id)
                 print 'Soft Version:',''.join(soft)

        def close(self):
                if self.connect is not None:
                       self.connect.disconnect()
                       self.connect = None        
                
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(username,password)
		 switch.CiscoDevice(iplist)
                 switch.gethostname()
		 switch.interfaceInfo('show ip int brief')
                 switch.show('show version')
                 switch.close()
             except (EOFError, NetMikoTimeoutException):
                 print ('Can not connect to Device')