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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

Recipes


So we saw how we can make use of resources to manage different components of the system configuration. Now let's see how to make use of recipes to arrange these resources in a way that allows us to manage our infrastructure efficiently.

A recipe is nothing but a collection of resources with a stir of Ruby code along with attributes as spices. Once you've chosen the right attributes, added them in the right order along with resources, and stirred everything together well using custom Ruby code, you have a wonderful recipe in your hand that can be happily fed to the underlying infrastructure.

We have already learned a lot about resources; let's see what attributes are and how to make good use of them.

Attributes

An attribute is nothing but a key-value pair. We have a whole bunch of attributes to deal with when working with Chef. Ohai, for example, generates tons of attributes for us to consume and play around with. Then we can specify the attribute at node level while running chef-client...

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