Book Image

Mastering Ansible, Second Edition - Second Edition

By : Jesse Keating
Book Image

Mastering Ansible, Second Edition - Second Edition

By: Jesse Keating

Overview of this book

This book provides you with the knowledge you need to understand how Ansible 2.1 works at a fundamental level and leverage its advanced capabilities. You'll learn how to encrypt Ansible content at rest and decrypt data at runtime. You will master the advanced features and capabilities required to tackle the complex automation challenges of today and beyond. You will gain detailed knowledge of Ansible workflows, explore use cases for advanced features, craft well thought out orchestrations, troubleshoot unexpected behaviour, and extend Ansible through customizations. Finally, you will discover the methods used to examine and debug Ansible operations, helping you to understand and resolve issues. By the end of the book, the readers will be able to unlock the true power of the Ansible automation engine and will tackle complex real world actions with ease.
Table of Contents (16 chapters)
Mastering Ansible - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Chapter 5. Composing Reusable Ansible Content with Roles

For many projects, a simple, single Ansible playbook may suffice. As time goes on and projects grow, additional playbooks and variable files are added and task files may be split out. Other projects within an organization may want to reuse some of the content; either the projects get added to the directory tree or the desired content may get copied between multiple projects. As the complexity and size of the scenario grows, something more than a loosely organized handful of playbooks, task files, and variable files are highly desired. Creating such a hierarchy can be daunting and may explain why many uses of Ansible start off simple and only grow into a better organization once the scattered files become unwieldy and a hassle to maintain. Making the migration can be difficult and may require rewriting significant portions of playbooks, which can further delay reorganization efforts.

In this chapter, we will cover the best practices...