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Mastering Chef

By : Mayank Joshi

2.5 (4)

Mastering Chef

2.5 (4)

By: Mayank Joshi

Overview of this book

If you have used Chef before and are interested in automation of infrastructure and want to develop your own tools to manage large-scale infrastructures, then this book is for you.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Introduction to the Chef Ecosystem

1. Introduction to the Chef Ecosystem

Different modes of running Chef

Terminology used in the world of Chef

The anatomy of a Chef run

Setting up a work environment

Summary

2. Knife and Its Associated Plugins

2. Knife and Its Associated Plugins

Introducing Knife

Summary

3. Chef and Ruby

3. Chef and Ruby

Ruby

IRB

Variables and types

Symbols

Basic operations

Conditional statements and loops

Methods

Arrays

Bang methods

Hashes

Classes and objects

Summary

4. Controlling Access to Resources

4. Controlling Access to Resources

The bootstrap process

Authentication

Authorization

Summary

5. Starting the Journey to the World of Recipes

5. Starting the Journey to the World of Recipes

Resources

Recipes

Best practices when writing recipes

Summary

6. Cookbooks and LWRPs

6. Cookbooks and LWRPs

Cookbooks

Custom resources

Summary

7. Roles and Environments

7. Roles and Environments

Managing roles

Managing environments

Setting up an environment on a node

Role and environment attributes

Environment run lists

Summary

8. Attributes and Their Uses

8. Attributes and Their Uses

Attribute naming

Different types of attributes

Different sources of attributes

Attribute precedence

Attribute whitelisting

Summary

9. Ohai and Its Plugin Ecosystem

9. Ohai and Its Plugin Ecosystem

Running the Ohai binary

Ohai plugins

Custom plugins

Summary

10. Data Bags and Templates

10. Data Bags and Templates

Data bags

Templates

Summary

11. Chef API and Search

11. Chef API and Search

Prerequisites for using Chef API

Authentication of requests

Endpoints

Search

Ridley

Summary

12. Extending Chef

12. Extending Chef

Custom Knife plugins

Custom Chef handlers

Summary

13. (Ab)Using Chef

13. (Ab)Using Chef

The dynamic server list in Capistrano using Chef

Capistrano style deployments using Chef's "deploy" resource

Extending Chef to bootstrap distributed systems

Test-driven development with Chef

Types of tests

Summary

Index

Index

Ruby

Ruby is a simple, dynamic programming language created by Yukihiro Matsumoto (also known as Matz). The language is a blend of features provided in different languages such as Perl, Smalltalk, Lisp, and so on. Ruby was developed with an aim to provide a new language that balanced functional programming with imperative programming.

As mentioned earlier, you don't have to be a hardcore Ruby developer. Following are the things that we'll cover in this chapter, which will allow you to make the best use of Chef:

Variables and types
Basic operations
Conditional statements and loops
Blocks
Arrays and hashes

Yeah, we just need to learn about these five components of the language and we are all set to conquer the world of Chef.

However, before we go ahead with our journey into the fascinating world of Ruby, let's take a quick look at IRB. This is one of those tools that can really help you while playing with small Ruby code snippets.

CONTINUE READING

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Programming languages

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