Book Image

Puppet 5 Essentials - Third Edition

By : Martin Alfke, Felix Frank
Book Image

Puppet 5 Essentials - Third Edition

By: Martin Alfke, Felix Frank

Overview of this book

Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control over what you do to each Puppet Agent in a network, and when and how you do it. In this age of digital delivery and ubiquitous Internet presence, it's becoming increasingly important to implement scaleable and portable solutions, not only in terms of software, but also the system that runs it. This book gets you started quickly with Puppet and its tools in the right way. It highlights improvements in Puppet and provides solutions for upgrading. It starts with a quick introduction to Puppet in order to quickly get your IT automation platform in place. Then you learn about the Puppet Agent and its installation and configuration along with Puppet Server and its scaling options. The book adopts an innovative structure and approach, and Puppet is explained with flexible use cases that empower you to manage complex infrastructures easily. Finally, the book will take readers through Puppet and its companion tools such as Facter, Hiera, and R10k and how to make use of tool chains.
Table of Contents (10 chapters)

Finding helpful Forge modules

Using the web interface at is very straightforward. By filling the search form with the name of the software, system, or service you need to manage, you will usually get a list of very fitting modules often with just your search term as their name. In fact, for common terms, the number of available modules can be overwhelming.

You can get immediate feedback about the maturity and popularity of each module. A module is being actively used and maintained if:

  • It has a score close to 5
  • It has a version number that indicates releases past 1.0.0 (or even 0.1.0)
  • Its most recent release was not too long ago, perhaps less than half a year
  • It has a significant number of downloads

The latter three numbers can vary a lot though, depending on the number of features that the module implements and how widespread its subject is. Even...