Practical Network Automation电子书

Title Page

Copyright and Credits

Practical Network Automation Second Edition

About Packt

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Packt.com

Contributors

About the author

About the reviewer

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Preface

Who this book is for

What this book covers

To get the most out of this book

Download the example code files

Download the color images

Conventions used

Get in touch

Reviews

Fundamental Concepts of Network Automation

Technical requirements

A readable script

Basic programs

Validating an IPv4 address

Making the right choice

Hiding credentials

Accessing APIs

Using regular expressions (regex)

Handling files

Making a decision (Python or PowerShell)

API access

Interacting with local machines

Introduction to code check-in and its importance

Git installation and initialization

Code check-in

Sample use cases

First use case

Second use case

Summary

Questions

Python Automation for Network Engineers

Technical requirements

Interacting with network devices

Network device configuration using template

Multithreading

Use cases

Using regular expressions (regex)

Creating loopback interface

Dynamic configuration updates

Summary

Questions

Ansible and Network Templatizations

Technical requirements

Ansible and network templates

Introduction to ad hoc commands

Ansible playbooks

Playbook examples

Ping to a particular IP from all routers

Section 1 – defining the scope of script

Section 2 – defining what to execute (define the task)

Ping to multiple IPs from all routers

Section 1 – basic declarations

Section 2 – declaring variables

Section 3 – executing the task

Section 4 – validations

Network templates

Step 1 – identifying the number of users the device is going to serve

Step 2 – identifying the right configuration based upon the SKU

Step 3 – identifying the role of the device

Python integration

Chef and Puppet

Chef

Step 1 – creating the recipe

Step 2 – uploading the recipe

Step 3 – adding the recipe to the run-list

Step 4 – running the recipe

Puppet

Chef/Puppet/Ansible comparison

Summary

Questions

Using Artificial Intelligence in Operations

Technical requirements

AI in IT operations

Key pillars in AIOps

Data source

Structured data

Non-structured data

Data collector

Data analysis

Machine Learning (ML)

Example of linear regression

Intelligent remediation

Application and use cases

Summary

Questions

Web Framework for Automation Triggers

Technical requirements

Web framework

Falcon

Encoding and decoding

Calling the web framework

Sample use case

Summary

Questions

Continual Integration

Technical requirements

Remediation using intelligent triggers

Step 1 – ensuring Splunk is configured to receive the data

Step 2 – validating the data (sample data)

Step 3 – writing script

Standardizing configurations on scale

Chatbot interactions

Use cases

Interacting with SolarWinds

Configuring Open Shortest Path First (OSPF) through Python

Autonomous System Number (ASN) in BGP

Validating the IPv4 and IPv6 addresses

Summary

Questions

Assessment

Chapter 1: Fundamental Concepts of Network Automation

Chapter 2: Python Automation for Network Engineers

Chapter 3: Ansible and Network Templatizations

Chapter 4: Using Artificial Intelligence in Operations

Chapter 5: Web Framework for Automation Triggers

Chapter 6: Continual Integration

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