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Mastering Python Networking

You're reading from   Mastering Python Networking Your one-stop solution to using Python for network automation, DevOps, and Test-Driven Development

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789135992
Length 466 pages
Edition 2nd Edition
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Author (1):
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Eric Chou Eric Chou
Author Profile Icon Eric Chou
Eric Chou
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Toc

Table of Contents (15) Chapters Close

Preface 1. Review of TCP/IP Protocol Suite and Python FREE CHAPTER 2. Low-Level Network Device Interactions 3. APIs and Intent-Driven Networking 4. The Python Automation Framework – Ansible Basics 5. The Python Automation Framework – Beyond Basics 6. Network Security with Python 7. Network Monitoring with Python – Part 1 8. Network Monitoring with Python – Part 2 9. Building Network Web Services with Python 10. AWS Cloud Networking 11. Working with Git 12. Continuous Integration with Jenkins 13. Test-Driven Development for Networks 14. Other Books You May Enjoy

Topology as code

Before we declare that the network is too complex, it is impossible to summarize it into code! Let's keep an open mind. Would it help if I tell you we have been using code to describe our topology in this book already?

If you take a look at any of the VIRL topology graphs that we have been using in this book, they are simply XML files that include a description of the relationship between nodes.

In this chapter, we will use the following topology for our lab:

If we open up the topology file, chapter13_topology.virl, with a text editor, we will see that the file is an XML file describing the node and the relationship between the nodes. The top root level is the <topology> node with child nodes of <node>. Each of the child nodes consists of various extensions and entries. The device configurations are embedded in the file as well:

<?xml version...
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