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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

Summary

Ansible is a piece of software, and software breaks; it's not a matter of if, but when. Invalid input, improper assumptions, and unexpected environments are all things that can lead to a frustrating situation when tasks and plays are not performing as expected. Introspection and debugging are troubleshooting techniques that can quickly turn frustration into elation when a root cause is discovered.

In this chapter, we learned about how to get Ansible to log its actions to a file, and how to change the verbosity level of Ansible's output. We then learned how to inspect variables to ensure their values are in line with your expectations before we moved on to debugging Ansible code in detail. Furthermore, we walked through the process of inserting breakpoints into core Ansible code and executed both local and remote Python debugging sessions using standard Python tools.

In the next chapter, we will learn how to extend the functionality of Ansible...

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