如何通过netmiko或其他方式将渲染的cisco配置解析为大型网络设备

问题描述

请问我完全是这个Python编程的新手。我一直在努力将渲染的配置推送到GNS3中的64个路由器，但是没有成功。感谢您的帮助。

我成功渲染了配置，并且可以在屏幕上打印出来。
我在这里使用Yaml模板和jinja2模板

不知道如何将渲染结果推送到GNS3上配置的设备。

使用的Python代码：

import yaml
from jinja2 import Template
from netmiko import Netmiko
import netmiko
import json
from netmiko import ConnectHandler
from getpass import getpass

username = input('Enter your SSH username: ')
password = getpass()    

#read your yaml file
with open("Just4testing8.yml") as file:
    devices = yaml.safe_load(file)

#read your jinja template file
with open("Just4testing7.j2") as file:
    template = Template(file.read())   
    
for device in devices["devices"]:

    final = template.render(
    device=device["name"],interfaces=device["interfaces"],bgpasn=device["bgpasn"],bgp_id=device["bgp_id"],bgp_neighbors=device["bgp_neighbors"])
    print(final)

解决方法

看起来您缺少 netmiko 代码。我想这就是你要找的。p>

这是一个使用命令列表的基本示例，我假设您会将渲染配置解析为该列表。我对 Render 一无所知，但看起来像一本字典，因此您可以创建一个值列表。

** SAMPLE -- 未测试**

from netmiko import ConnectHandler
from getpass import getpass

password = getpass()

cisco1 = {
    "device_type": "cisco_ios","host": "192.168.255.1","username": "user","password": password,}

cisco2 = {
    "device_type": "cisco_ios","host": "192.168.1.1",}

devices = [cisco1,cisco2]
# you can use a your render here to build your list. 
commands = ["cmd1","cmd2","cmd3"]

for device in devices:
    net_connect = ConnectHandler(**device)
    for cmd in commands: 
        output = net_connect.send_command(cmd) # works with show commands only
        print(output) # Save to a file or append to to list/dictionary for use later. 

    net_connect.disconnect()

netmiko python-3.x