Puppet Essentials

Get up and running quickly using the power of Puppet to manage your IT infrastructure

About This Book

• Quickly get to grips with writing your own manifest programs for Puppet
• Speedily learn to set up your own Puppet infrastructure
• Avoid common pitfalls in order to rapidly grasp Puppet’s advanced features

Who This Book Is For

If you’re an experienced IT professional or a new Puppet user, Puppet Essentials provides you with all you need to know to go from installation to advanced automation in no time at all. Experience with system operations and server management as well as the Ruby language, is helpful to get the most out of this book.

In Detail

With this book, you’ll be up and running with using Puppet to manage your IT systems. Dive right in with basic commands so that you can use Puppet right away, and then blitz through a series of illustrative examples to get to grips with all the most important aspects and features of Puppet.

Install Puppet, write your first manifests, and then immediately put the Puppet tools to real work. Puppet Essentials reveals the innovative structure and approach of Puppet through step-by-step instructions to follow powerful use cases. Learn common troubleshooting techniques and the master/agent setup as well as the building blocks for advanced functions and topics that push Puppet to the limit, including classes and defined types, modules, resources, and leveraging the flexibility and expressive power implemented by Facter and the Hiera toolchain. Finally, send Puppet to the skies with practical guidance on how to use Puppet to manage a whole application cloud.

Table of Contents

Chapter 1: Writing Your First Manifests
Chapter 2: The Master and Its Agents
Chapter 3: A Peek Under the Hood – Facts, Types, and Providers
Chapter 4: Modularizing Manifests with Classes and Defined Types
Chapter 5: Extending Your Puppet Infrastructure with Modules
Chapter 6: Leveraging the Full Toolset of the Language
Chapter 7: Separating Data From Code Using Hiera
Chapter 8: Configuring Your Cloud Application with Puppet