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Mastering SaltStack

You're reading from   Mastering SaltStack Use Salt to the fullest

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Product type Paperback
Published in Nov 2016
Publisher Packt
ISBN-13 9781786467393
Length 378 pages
Edition 2nd Edition
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Author (1):
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Joseph Hall Joseph Hall
Author Profile Icon Joseph Hall
Joseph Hall
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Table of Contents (14) Chapters Close

Preface 1. Essentials Revisited FREE CHAPTER 2. Diving into Salt Internals 3. Managing States 4. Exploring Salt SSH 5. Managing Tasks Asynchronously 6. Taking Advantage of Salt Information Systems 7. Taking Salt Cloud to the Next Level 8. Using Salt with REST 9. Understanding the RAET and TCP Transports 10. Strategies for Scaling 11. Monitoring with Salt 12. Exploring Best Practices 13. Troubleshooting Problems

The renderer

While the main master and minion configuration files must necessarily be stored in YAML, other files in Salt can take advantage of the wealth of file formats that the modern world of technology has to offer. This is because of the rendering system built into Salt, which can take files of arbitrary formats and render them into a structure that is usable by Salt.

Rendering SLS files

By default, all SLS files in Salt are rendered twice: first through the Jinja templating engine and then through the PyYAML library. This provides some significant advantages:

  • Jinja provides a fast and powerful templating system is easy to understand and use and follows a Pythonic mindset, comfortable to many administrators. It is particularly well suited for managing YAML files.
  • YAML has a very shallow learning curve, making it easy to learn and understand. While it does support more complex syntax, such as parentheses, brackets, and braces (JSON is technically syntactically correct YAML), it is not...
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