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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

Different types of attributes


Chef provides six different types of attributes, as listed in the following table:

Attribute type

Description

default

This attribute is reset upon the start of every chef-client run and has the lowest attribute precedence. A cookbook should make the most use of the default attributes.

force_default

Say you've specified the same default attribute in role and environment along with a cookbook, and you want to ensure that the attribute in the cookbook takes precedence. In order to do so, one must make use of the force_default attribute type.

normal

A normal attribute is never reset and persists with the node object. It has higher precedence over the default attribute.

override

An override attribute has higher precedence over the default, force_default, and normal attributes. It can be defined in a recipe, role, or environment.

force_override

Similar to the force_default attribute, the force_override attribute specified in a recipe takes precedence over...

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