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Mastering Chef

You're reading from   Mastering Chef Build, deploy, and manage your IT infrastructure to deliver a successful automated system with Chef in any environment

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Product type Paperback
Published in Jun 2015
Publisher
ISBN-13 9781783981564
Length 374 pages
Edition 1st Edition
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Author (1):
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Mayank Joshi Mayank Joshi
Author Profile Icon Mayank Joshi
Mayank Joshi
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Table of Contents (15) Chapters Close

Preface 1. Introduction to the Chef Ecosystem FREE CHAPTER 2. Knife and Its Associated Plugins 3. Chef and Ruby 4. Controlling Access to Resources 5. Starting the Journey to the World of Recipes 6. Cookbooks and LWRPs 7. Roles and Environments 8. Attributes and Their Uses 9. Ohai and Its Plugin Ecosystem 10. Data Bags and Templates 11. Chef API and Search 12. Extending Chef 13. (Ab)Using Chef Index

Chapter 7. Roles and Environments

We now know how to manage a particular component of our infrastructure using a resource, how to group together resources, and how to manage interactions between different resources by getting them grouped together in a recipe. We also know how to group recipes and attributes together in a cookbook.

However, in most practical use cases, you'll find that no single cookbook is useful for the purpose of configuring a system. This problem can be handled in two ways. One way to handle this issue is to get everything required to be configured on a machine inside one cookbook. Now this approach has a very fundamental flaw, as these recipes/cookbooks won't be reusable to a great extent and they'll be very bulky too. As we all know, a good development practice is to break down things into smaller chunks and include whatever is required when required. Roles specifically allow us to do this.

A role in Chef is a way to group together attributes...

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