Book Image

Network Automation Cookbook

By : Karim Okasha
Book Image

Network Automation Cookbook

By: Karim Okasha

Overview of this book

Network Automation Cookbook is designed to help system administrators, network engineers, and infrastructure automation engineers to centrally manage switches, routers, and other devices in their organization's network. This book will help you gain hands-on experience in automating enterprise networks and take you through core network automation techniques using the latest version of Ansible and Python. With the help of practical recipes, you'll learn how to build a network infrastructure that can be easily managed and updated as it scales through a large number of devices. You'll also cover topics related to security automation and get to grips with essential techniques to maintain network robustness. As you make progress, the book will show you how to automate networks on public cloud providers such as AWS, Google Cloud Platform, and Azure. Finally, you will get up and running with Ansible 2.9 and discover troubleshooting techniques and network automation best practices. By the end of this book, you'll be able to use Ansible to automate modern network devices and integrate third-party tools such as NAPALM, NetBox, and Batfish easily to build robust network automation solutions.
Table of Contents (15 chapters)

Retrieving operational data from Arista devices

In this recipe, we will outline how to execute operational commands on Arista devices, and use the output to validate the state of the devices.

Getting ready

eAPI must be enabled on the Arista devices in order to follow along with this recipe.

How to do it...

  1. Create a new playbook called pb_get_vlans.yml and populate it to execute the show vlan command on all leaf switches and store the output in a variable:
- name: " Play 1: Retrieve All VLANs from Arista Switches"
hosts: leaf
vars_files: vlan_design.yml...