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Chef Cookbook

You're reading from Chef Cookbook Achieve powerful IT infrastructure management and automation

Product type Paperback

Published in Feb 2017

Publisher Packt

ISBN-13 9781786465351

Length 268 pages

Edition 3rd Edition

Languages

Ruby

Tools

Chef

Concepts

Configuration Management

Author (1):

Matthias Marschall

View More author details

Table of Contents (9) Chapters

Preface

1. Chef Infrastructure FREE CHAPTER

2. Evaluating and Troubleshooting Cookbooks and Chef Runs

3. Chef Language and Style

4. Writing Better Cookbooks

5. Working with Files and Packages

6. Users and Applications

7. Servers and Cloud Infrastructure

Index

Testing your Chef cookbooks with cookstyle and Rubocop

You know how annoying this is: you tweak a cookbook, run Test Kitchen, and, boom! it fails. What's even more annoying is that it fails only because you missed a mundane comma in the default recipe of the cookbook you just tweaked. Fortunately, there's a very quick and easy way to find such simple glitches before you go all in and try to run your cookbooks on Test Kitchen.

Getting ready

Install the ntp cookbook by running the following command:

mma@laptop:~/chef-repo $ knife cookbook site install ntp
Installing ntp to /Users/mma/work/chef-repo/cookbooks
…TRUNCATED OUTPUT…
Cookbook ntp version 3.2.0 successfully installed

How to do it…

Carry out the following steps to test your cookbook; run cookstyle on the ntp cookbook:

mma@laptop:~/chef-repo $ cookstyle cookbooks/ntp
Inspecting 5 files
...C.

Offenses:

cookbooks/ntp/recipes/default.rb:25:1: C: Extra blank line detected.

5 files inspected, 1 offense detected

How it works…

Cookstyle is...

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Authors (1)

Marschall

Marschall

Matthias Marschall is a Software Engineer "made in Germany". His four children make sure that he feels comfortable in lively environments, and stays in control of chaotic situations. A lean and agile engineering lead, he's passionate about continuous delivery, infrastructure automation, and all things DevOps. In recent years, Matthias has helped build several web-based businesses, first with Java and then with Ruby on Rails. He quickly grew into system administration, writing his own configuration management tool before migrating his whole infrastructure to Chef in its early days. In 2008, he started a blog (http://www.agileweboperations.com) together with Dan Ackerson. There, they have shared their ideas about DevOps since the early days of the continually emerging movement. You can find him on Twitter as @mmarschall. Matthias holds a Master's degree in Computer Science (Dipl.-Inf. (FH)) and teaches courses on Agile Software Development at the University of Augsburg. When not writing or coding, Matthias enjoys drawing cartoons and playing Go. He lives near Munich, Germany.

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