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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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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

Writing your own custom module

By now, you may get the feeling that network management in Ansible is largely dependent on finding the right module for your task. There is certainly a lot of truth in that logic. Modules provide a way to abstract the interaction between the managed host and the control machine; they allow us to focus on the logic of our operations. Up to this point, we have seen the major vendors providing a wide range of modules for Cisco, Juniper, and Arista.

Use the Cisco Nexus modules as an example, besides specific tasks such as managing the BGP neighbor (nxos_bgp) and the aaa server (nxos_aaa_server). Most vendors also provide ways to run arbitrary show (nxos_config) and configuration commands (nxos_config). This generally covers most of our use cases.

Starting with Ansible 2.5, there is also the streamline naming and usage of network facts modules.

What...

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