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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 2. Puppet Server and Agents FREE CHAPTER 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

Writing Your First Manifests

Configuration management has become essential to the IT world. Faster development using agile methods has a huge impact on IT operations that need to keep pace with the faster deployment of systems. Server operations in general are hardly even feasible without a robust management infrastructure. Among the available tools, Puppet has established itself as one of the most popular and widespread solutions. Originally written by Luke Kanies, the tool is now distributed under the terms of Apache License 2.0 and maintained by Luke's company, Puppet Inc. It boasts a large and bustling community, rich APIs for plugins and supporting tools, outstanding online documentation, and a great security model based on SSL authentication.

Like all configuration management systems, Puppet allows you to maintain a central repository of infrastructure definitions, along with a toolchain to enforce the desired state on the systems under management. The whole feature set is quite impressive. This book will guide you through some steps to quickly grasp the most important aspects and principles of Puppet.

In this chapter, we will cover the following topics:

  • Getting started
  • Introducing resources, parameters, and properties
  • Interpreting the output of the puppet apply command
  • Using variables
  • Adding control structures in manifests
  • Controlling the order of execution
  • Implementing resource interaction
  • Examining Puppet core resource types
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