Python与Cisco的事儿之三
短信预约 -IT技能 免费直播动态提醒
以下代码可以实现登录网络设备后通过show cdp nei 命令查看邻居设备，然后利用拼接的方式来增加描述，最后再写进相对应的网络设备的接口。
#!/usr/bin/python
from netmiko import ConnectHandler
from netmiko.ssh_exception import NetMikoTimeoutException
import time
import sys
import getpass
import StringIO
import pprint
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("#","")
def show(self):
self.output = self.connect.send_command('show cdp nei')
lines = self.output.splitlines()[5:-2]
hostnames = None
config = []
for line in lines:
words = line.split()
if len(words) == 1:
hostnames = words[0].split('.')[0]
elif hostnames is None:
hostnames = words[0].split('.')[0]
local = ''.join(words[1:3])
remote = ''.join(words[-2:])
description = '_'.join((hostnames,remote))
config.append('interface' + ' ' + local)
config.append('description' +' ' + description)
hostnames = None
else:
local = ''.join(words[0:2])
remote = ''.join(words[-2:])
description = '_'.join((hostnames,remote))
config.append('interface' + ' '+ local)
config.append('description' + ' ' + description)
hostnames = None
self.config='\n'.join(config)
def configure(self):
configure = self.connect.send_config_set(self.config)
saveconfigure = self.connect.send_command('write memory')
print configure
print saveconfigure
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('admin','Password.123')
switch.CiscoDevice(iplist)
switch.gethostname()
switch.show()
switch.configure()
switch.close()
except (EOFError, NetMikoTimeoutException):
print ('Can not connect to Device') 
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