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Puppet 5 Essentials Third Edition

You're reading from   Puppet 5 Essentials Third Edition A fast-paced guide to automating your infrastructure

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787284715
Length 262 pages
Edition 3rd Edition
Tools
Concepts
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Authors (2):
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Martin Alfke Martin Alfke
Author Profile Icon Martin Alfke
Martin Alfke
Felix Frank Felix Frank
Author Profile Icon Felix Frank
Felix Frank
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Table of Contents (10) Chapters Close

Preface 1. Writing Your First Manifests FREE CHAPTER 2. Puppet Server and Agents 3. A Peek into the Ruby Part of Puppet - Facts, Types, and Providers 4. Combining Resources in Classes and Defined Types 5. Combining Classes, Configuration Files, and Extensions into Modules 6. The Puppet Beginners Advanced Parts 7. New Features from Puppet 4 and 5 8. Separation of Code and Data with Hiera 9. Puppet Roles and Profiles

Technical component modules

Until now, we have referred to modules as a strict directory structure containing classes, static files, templates, and extensions. We now must differentiate between upstream or generic modules and our platform implementation modules.

Modules that take care of a specific technical component are now referred to as technical component modules. Technical components themselves are a set of configurations for a certain software running on a system, such as Nginx, Postgres, or LDAP.

There has always been the problem of whether a module is a technical component module or not. There are some patterns that allow you to identify technical component modules:

  • Developed upstream with active community
  • Open source with README and LICENSE files
  • Only manages what is required
  • Clearly described entry class with parameters for adoption and reusability
  • Allows stacking...
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