我正在尝试创建一个脚本,清除ciscoasa bad xlate。
为了检查错误的xlate,我在500中运行shxlate |,如果它得到一个回复,那么它应该发送一个clear命令。如果我不这么做,ciscoasa就不允许新的vpn隧道。
我需要关于if-else语句的帮助。否则,脚本运行良好。这是我的代码:
import pexpect
import re
password1="abc"
password2="abc"
router="127.0.0.20"
user="user"
#Extracting IP out of xlate command
class sendip(object):
def ip(self,reply):
divide=reply[15:32]
extract_ip = re.findall( r'[0-9]+(?:\.[0-9]+){3}', divide )
for ip in extract_ip:
send = 'clear local-host '+ip
return send
clearVPN = sendip()
#ssh into ciscoasa userop5@ip
child = pexpect.spawn ('ssh ' + user + '@' + router)
child.expect ('.*assword:.*')
child.sendline (password1)
#enable mode
child.expect ('.*>.*')
child.sendline ('ena')
child.expect ('.*assword:.*')
child.sendline (password2)
# after enabling send test command
child.sendline ('terminal pager 0')
child.sendline ('show run | include http')
child.expect ('enroll*')
print child.before
# Here it sends command
child.sendline('sh xlate | i 500')
child.expect ('ciscoasa#.*')
print child.after
if child==1: # If receive reply then extract IP and send clear memory
child.expect('UDP.*')
message = child.before
child.sendline(clearVPN.ip(message)) #extract ip from there reply and send clear
print child.before
child.expect('clearing.*')
print child.before
else: # Otherwise memory is not full
child.expect ('ciscoasa#.*')
print 'Memory is empty'
print child.after
child.sendline('exit')
child.close() # close ssh
我要说的是,您需要在
child.expect
语句之前的if
调用中使用多个模式。这样,您就可以根据发送到终端的最后一个命令的响应输出做出决定。有关更多信息,请参阅文档中的lists if patterns部分。
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