Question

我有以下列表

['200', '530', '540']

列表的大小是动态的。它取决于ssh_conn.rec的输出。我需要的是获取这些值并对列表中的每个值运行以下命令

ssh_conn.send('show running-config crypto map | i 200\n')
ssh_conn.send('show running-config crypto map | i 530\n')
ssh_conn.send('show running-config crypto map | i 540\n')

我有填充，我可以使用循环，但我不完全确定如何做到这一点代码下方：

#!/usr/bin/env python

import paramiko
import time
import re

# Variables
host = xxxx = 'xxxxx'

# Create instance of SSHClient object
ssh = paramiko.SSHClient()

# Automatically add untrusted hosts
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
# Automatically add untrusted hosts
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())

# initiate SSH connection
ssh.connect('xxxxx', port=22, username='xxxx', password='xxxxx', look_for_keys=False, allow_agent=False)
print "SSH COnnection established with %s" % host

# Use invoke_shell to establish an 'interactive session'
ssh_conn = ssh.invoke_shell()
print "Interactive SSH session established"

print "Give the name of the 3PPartner\n"
partner = raw_input('>')

# Commands prompted
ssh_conn.send('\n')
ssh_conn.send('enable\n')
time.sleep(.5)
ssh_conn.send('xxxxx\n')
time.sleep(.5)
ssh_conn.send("terminal pager 0\n")
time.sleep(.5)
ssh_conn.send('show running-config crypto map | i ' + str(partner) + '\n')
time.sleep(1)

output = ssh_conn.recv(65535)
print output

crypto_list = re.findall("OUTSIDEMAP (\d+) match",output)
print crypto_list

输出

python IPSEC_config_attributes.py 
SSH COnnection established with XXXX
Interactive SSH session established
Give the name of the 3PPartner

>XXXX
Type help or '?' for a list of available commands.
XXXX/pri/act> 
XXXX/pri/act> enable
Password: ************
XXXX/pri/act# terminal pager 0
XXXX/pri/act# show running-config crypto map | i XXX
crypto map OUTSIDEMAP 200 match address XXXX
crypto map OUTSIDEMAP 530 match address XXXX
crypto map OUTSIDEMAP 540 match address XXXX
XXXX/pri/act# 
['200', '530', '540']
200
530
540
Logged out of device XXXXXXXX

由于

Answer 1

能够多次对不同值执行某些操作的编程概念是迭代。在Python中，您可以轻松地迭代许多内容，例如列表，文件中的行，或者在本例中是正则表达式匹配。

在最简单的迭代示例中，您使用“for list in list”构造来获得一个变量item，它接收列表中的每个值。要为每个匹配执行命令，您可以使用以下内容：

crypto_list = re.findall("OUTSIDEMAP (\d+) match",output)
for match in crypto_list:
    ssh_conn.send('show running-config crypto map | i ' + match + '\n')

将循环输出保存到变量

1 个答案: