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Puppet 8 for DevOps Engineers

You're reading from   Puppet 8 for DevOps Engineers Automate your infrastructure at an enterprise scale

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Product type Paperback
Published in Jun 2023
Publisher Packt
ISBN-13 9781803231709
Length 416 pages
Edition 1st Edition
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Author (1):
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David Sandilands David Sandilands
Author Profile Icon David Sandilands
David Sandilands
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Table of Contents (22) Chapters Close

Preface 1. Part 1 – Introduction to Puppet and the Basics of the Puppet Language
2. Chapter 1: Puppet Concepts and Practices FREE CHAPTER 3. Chapter 2: Major Changes, Useful Tools, and References 4. Chapter 3: Puppet Classes, Resource Types, and Providers 5. Chapter 4: Variables and Data Types 6. Chapter 5: Facts and Functions 7. Part 2 – Structuring, Ordering, and Managing Data in the Puppet Language
8. Chapter 6: Relationships, Ordering, and Scope 9. Chapter 7: Templating, Iterating, and Conditionals 10. Chapter 8: Developing and Managing Modules 11. Chapter 9: Handling Data with Puppet 12. Part 3 – The Puppet Platform and Bolt Orchestration
13. Chapter 10: Puppet Platform Parts and Functions 14. Chapter 11: Classification and Release Management 15. Chapter 12: Bolt for Orchestration 16. Chapter 13: Taking Puppet Server Further 17. Part 4 – Puppet Enterprise and Approaches to the Adoption of Puppet
18. Chapter 14: A Brief Overview of Puppet Enterprise 19. Chapter 15: Approaches to Adoption 20. Index 21. Other Books You May Enjoy

Lab – use eyaml to store a secret

In this lab, the puppet-hiera_eyaml module has been used to set up eyaml with default pkcs keys, with a global Hiera setup to look at the node name, OS, and common values. In site.pp, a Hiera lookup is performed to look up the value of secret::examplefiles, which is used as content to create a /var/tmp/secret_example file on the Puppet primary server. The lookup has a default of not set. In this lab, you will encrypt a secret and add it within the OS level so the content of the file changes.

SSH to the primary server and elevate to root:

ssh centos@<primary_host>
sudo su -

Run the eyaml encrypt –p command from within the /etc/puppetlabs/puppet directory and enter a secret of your choice at the prompt:

cd /etc/puppetlabs/puppet
eyaml encrypt -p

Copy the output after the string starting with ENC[ and paste it into the data section at /etc/puppetlabs/puppet/data/os/RedHat.eyaml so it contains something like this:

...
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