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Practical Network Automation

You're reading from   Practical Network Automation Leverage the power of Python and Ansible to optimize your network

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781788299466
Length 266 pages
Edition 1st Edition
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Author (1):
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Abhishek Ratan Abhishek Ratan
Author Profile Icon Abhishek Ratan
Abhishek Ratan
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Table of Contents (8) Chapters Close

Preface 1. Fundamental Concepts FREE CHAPTER 2. Python for Network Engineers 3. Accessing and Mining Data from Network 4. Web Framework for Automation Triggers 5. Ansible for Network Automation 6. Continuous Integration for Network Engineers 7. SDN Concepts in Network Automation

Accessing a script from dynamic HTML


There are times when we run a Python script to create dynamic HTML pages (which are based upon certain triggers that we put in the script). These pages can be enhanced to add additional URLs to invoke other scripts when we click on those pages.

As an example, let's say we need to find out how many models of devices are in our network. For this we create a script, schedule it to run every hour with the task scheduler, and after each run a dynamic HTML page is created to show the updated stats or inventory. In a BYOD scenario, this also plays an important role, because each hour we can monitor what devices are on our network, and if we click on any of the discovered devices, we can get additional information such as a detailed show version.

Here's the Python code to create the dynamic HTML:

from pysnmp.hlapi import *

print('Content-Type: text/html')
print('')

def finddevices(ip):
    errorIndication, errorStatus, errorIndex, varBinds = next(
        getCmd...
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