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Mastering Ansible, 4th Edition

You're reading from   Mastering Ansible, 4th Edition Automate configuration management and overcome deployment challenges with Ansible

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Product type Paperback
Published in Dec 2021
Publisher Packt
ISBN-13 9781801818780
Length 540 pages
Edition 4th Edition
Tools
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Authors (2):
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Jesse Keating Jesse Keating
Author Profile Icon Jesse Keating
Jesse Keating
James Freeman James Freeman
Author Profile Icon James Freeman
James Freeman
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Toc

Table of Contents (18) Chapters Close

Preface 1. Section 1: Ansible Overview and Fundamentals
2. Chapter 1: The System Architecture and Design of Ansible FREE CHAPTER 3. Chapter 2: Migrating from Earlier Ansible Versions 4. Chapter 3: Protecting Your Secrets with Ansible 5. Chapter 4: Ansible and Windows – Not Just for Linux 6. Chapter 5: Infrastructure Management for Enterprises with AWX 7. Section 2: Writing and Troubleshooting Ansible Playbooks
8. Chapter 6: Unlocking the Power of Jinja2 Templates 9. Chapter 7: Controlling Task Conditions 10. Chapter 8: Composing Reusable Ansible Content with Roles 11. Chapter 9: Troubleshooting Ansible 12. Chapter 10: Extending Ansible 13. Section 3: Orchestration with Ansible
14. Chapter 11: Minimizing Downtime with Rolling Deployments 15. Chapter 12: Infrastructure Provisioning 16. Chapter 13: Network Automation 17. Other Books You May Enjoy

Chapter 2: Migrating from Earlier Ansible Versions

As Ansible has grown over the years, certain headaches have presented themselves to the team that develops and manages the Ansible code base. In many ways, these headaches have been the price of Ansible's own growth and success, and have resulted in a need to structure the code a little differently. Indeed, anyone with a little prior experience of Ansible from versions before 2.10 will have noticed that our example code presented in this book looks a little different, along with a new term, Collections.

In this chapter, we will explain these changes in detail, along with how they came about. We will then take you through some practical examples so you can see how these changes work in the real world, before finally teaching you how to migrate any existing or legacy playbooks you might have to Ansible 4.3 and beyond.

Specifically, in this chapter, we will cover the following topics:

  • Changes in Ansible 4.3
  • Upgrading...
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