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Implementing DevOps with Ansible 2

You're reading from Implementing DevOps with Ansible 2 A step-by-step guide to automating all DevOps stages with ease using Ansible

Product type Paperback

Published in Jul 2017

Publisher Packt

ISBN-13 9781787120532

Length 266 pages

Edition 1st Edition

Languages

Python

Tools

Ansible

Concepts

DevOps

Author (1):

Jonathan McAllister

View More author details

Table of Contents (13) Chapters

Preface

1. DevOps Fundamentals FREE CHAPTER

2. Configuration Management Essentials

3. Installing, Configuring, and Running Ansible

4. Playbooks and Inventory Files

5. Playbooks – Beyond the Fundamentals

6. Jinja in Ansible

7. Ansible Vault

8. Ansible Modules and Libraries

9. Integrating Ansible with CI and CD Solutions

10. Ansible and Docker

11. Extending Ansible

12. Ansible Galaxy

Jinja2 Programming Constructs

Jinja2 was incorporated into the Ansible architecture back in 2012 when Ansible 0.5 was released. The implementation of Ansible at the time incorporated the concept of Jinja2 filters and supported basic Jinja2 syntax. As ansible evolved, so did its developer support for Jinja. By coupling YAML and Jinja2, Ansible was soon able to provide a comprehensive scripting-oriented solution for Ansible playbook developers.

By the time Ansible 1.0 was released, the Ansible playbook concept (including Jinja and YAML) had evolved enough to support a wide array of syntax implementations. As a result of the integration of YAML, Jinja and Ansible's popularity skyrocketed. After the release of Ansible 1.0, playbooks could be authored to incorporate the following syntaxes:

Jinja tag syntax:

{{ .. }} for expressions (including variables)
{% ... %} for control structures
{# ... #}} Comments

Each of these tags serves a unique role within the Jinja universe, and it is important to understand...

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Authors (1)

McAllister

McAllister

Jonathan McAllister has been creating software and automations since he was a child. As an avid computer technologist, he has had 13 years' professional experience in software development, test, and delivery practices. During his career, he has architected and implemented software build, test, and delivery solutions for cutting-edge technology organizations across diverse technology stacks. Jonathan has most recently been focusing on build pipelines, continuous integration, continuous delivery, microservice architecture, standardized processes, agile and Kanban, and the implementation of highly scalable automation solutions. He has worked and consulted for some of the industry's most notable companies, including Microsoft, Merck, Logitech, and Oracle. His focus is entirely on designing scalable software build, delivery, and test pipelines in an effort to streamline releases through standardization and help develop strategies that can elevate revenue through modern continuous practices.

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