Book Image

Mastering Python Networking - Fourth Edition

By : Eric Chou
Book Image

Mastering Python Networking - Fourth Edition

By: Eric Chou

Overview of this book

Networks in your infrastructure set the foundation for how your application can be deployed, maintained, and serviced. Python is the ideal language for network engineers to explore tools that were previously available to systems engineers and application developers. In Mastering Python Networking, Fourth edition, you'll embark on a Python-based journey to transition from a traditional network engineer to a network developer ready for the next generation of networks. This new edition is completely revised and updated to work with the latest Python features and DevOps frameworks. In addition to new chapters on introducing Docker containers and Python 3 Async IO for network engineers, each chapter is updated with the latest libraries with working examples to ensure compatibility and understanding of the concepts. Starting with a basic overview of Python, the book teaches you how it can interact with both legacy and API-enabled network devices. You will learn to leverage high-level Python packages and frameworks to perform network automation tasks, monitoring, management, and enhanced network security, followed by AWS and Azure cloud networking. You will use Git for code management, GitLab for continuous integration, and Python-based testing tools to verify your network.
Table of Contents (19 chapters)
17
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18
Index

Building Network Web Services with Python

In the previous chapters, we were a consumer of the APIs provided by others. In Chapter 3, APIs and Intent-Driven Networking, we saw that we can use an HTTP POST request to NX-API at the http://<your device ip>/ins URL with the CLI command embedded in the HTTP POST body to execute commands remotely on the Cisco Nexus device; the device then returns the command execution output in its HTTP response return. In Chapter 8, Network Monitoring with Python – Part 2, we used the HTTP GET method for our sFlow-RT at http://<your host ip>:8008/version with an empty body to retrieve the version of the sFlow-RT software. These request-response exchanges are examples of RESTful web services.

According to Wikipedia (https://en.wikipedia.org/wiki/Representational_state_transfer):

”Representational state transfer (REST) or RESTful web services is one way of providing interoperability between computer systems on the...