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Mastering Ansible

You're reading from   Mastering Ansible Effectively automate configuration management and deployment challenges with Ansible 2.7

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Product type Paperback
Published in Mar 2019
Publisher Packt
ISBN-13 9781789951547
Length 412 pages
Edition 3rd 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 (17) Chapters Close

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

Playbook parsing

The whole purpose of an inventory source is to have systems to manipulate. The manipulation comes from playbooks (or, in the case of Ansible ad hoc execution, that is, simple single-task plays). You should already have a basic understanding of playbook construction, so we won't spend a lot of time covering that; however, we will delve into some specifics of how a playbook is parsed. Specifically, we will cover the following:

  • Order of operations
  • Relative path assumptions
  • Play behavior keys
  • Host selection for plays and tasks
  • Play and task names

Order of operations

Ansible is designed to be as easy as possible for a human to understand. The developers strive to strike the best balance of human comprehension...

You have been reading a chapter from
Mastering Ansible - Third Edition
Published in: Mar 2019
Publisher: Packt
ISBN-13: 9781789951547
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