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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

The dynamic server list in Capistrano using Chef

Capistrano is a remote server automation tool. It can be used to execute an arbitrary set of tasks on remote servers. It's primarily used for the purpose of remote deployments. As per their official documentation, Capistrano can be used to:

  • Reliably deploy to any number of machines simultaneously, in the sequence of a rolling set
  • Automate audits of any number of machines
  • Script arbitrary workflows over SSH

Although Chef also provides a deploy resource, I personally prefer push-based deployment solutions such as Capistrano, as they provide more control and I can easily hook them up with a release management system to provide visibility.

Capistrano considers a list of servers as a role and it can either deploy to an individual host or an entire fleet. Usually, this list of servers is maintained in configuration files, or supplied as a command line option during execution. This works pretty well for environments where the total number of servers...

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