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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

Understanding the loader

The loader system is at the heart of how Salt works. In a nutshell, Salt is a collection of modules tied together with the loader. Even the transport mechanisms, which enable communication between and define the master, minion, and Syndic hierarchies make use of modules that are managed by the loader.

Dynamic modules

Salt's loader system is a bit unconventional. Traditionally, most software has been designed to require all supported components to be installed. This is not the case with every package, of course. The Apache web server is an example of one project that supports a number of components that need not all be installed. Debian-based operating systems manage Apache modules by providing their modules-available/ and modules-enabled/ directories. Red Hat-based systems take a different approach: all components that are supported by Apache's httpd package are required to be installed with it.

Making such a demand with Salt is beyond unrealistic. So many...

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