Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Puppet 5 Essentials Third Edition

You're reading from   Puppet 5 Essentials Third Edition A fast-paced guide to automating your infrastructure

Arrow left icon
Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787284715
Length 262 pages
Edition 3rd Edition
Tools
Concepts
Arrow right icon
Authors (2):
Arrow left icon
Martin Alfke Martin Alfke
Author Profile Icon Martin Alfke
Martin Alfke
Felix Frank Felix Frank
Author Profile Icon Felix Frank
Felix Frank
Arrow right icon
View More author details
Toc

Table of Contents (10) Chapters Close

Preface 1. Writing Your First Manifests FREE CHAPTER 2. Puppet Server and Agents 3. A Peek into the Ruby Part of Puppet - Facts, Types, and Providers 4. Combining Resources in Classes and Defined Types 5. Combining Classes, Configuration Files, and Extensions into Modules 6. The Puppet Beginners Advanced Parts 7. New Features from Puppet 4 and 5 8. Separation of Code and Data with Hiera 9. Puppet Roles and Profiles

Building roles from profiles

Let's continue with the phpmyadmin example, which has been built for the sales department so that they can manage their CRM database.

In this case, we build a role for that system based on implementation profiles. The name of the role reflects the business use case:

class role::crm_db_control_panel {
contain profile::login::secure
contain profile::database::mysql
contain profile::scripting::php
contain profile::apps::phpmyadmin::db
contain profile::apps::phpmyadmin
}

Within a role, one only declares profiles. No code logic, no resources, no data lookups. This allows flexible use of roles. Don't try to build almost identical roles, as this will lead to duplicate code. Instead, it would be better to create profiles with data lookups to reflect individual usage.

The previously mentioned role can then be used for a node classification:

node...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at $19.99/month. Cancel anytime
Banner background image