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Puppet 5 Essentials Third Edition

Puppet 5 Essentials Third Edition

By : Felix Frank, Martin Alfke
1 (1)
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Puppet 5 Essentials Third Edition

Puppet 5 Essentials Third Edition

1 (1)
By: Felix Frank, Martin Alfke

Overview of this book

Puppet is a configuration management tool that allows you to automate all your IT configurations, giving you control over what you do to each Puppet Agent in a network, and when and how you do it. In this age of digital delivery and ubiquitous Internet presence, it's becoming increasingly important to implement scaleable and portable solutions, not only in terms of software, but also the system that runs it. This book gets you started quickly with Puppet and its tools in the right way. It highlights improvements in Puppet and provides solutions for upgrading. It starts with a quick introduction to Puppet in order to quickly get your IT automation platform in place. Then you learn about the Puppet Agent and its installation and configuration along with Puppet Server and its scaling options. The book adopts an innovative structure and approach, and Puppet is explained with flexible use cases that empower you to manage complex infrastructures easily. Finally, the book will take readers through Puppet and its companion tools such as Facter, Hiera, and R10k and how to make use of tool chains.
Table of Contents (10 chapters)
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Placing code on the Puppet server

From a technical perspective, roles and profiles are classes inside modules. Usually, modules are put into the modules directory of an environment. But roles and profiles are different to modules, as they are implementations of modules and collections of implementations.

To reflect this different behavior, it is common practice to add another module directory to an environment. This configuration can be done in the environment.conf file inside an environment:

#/etc/puppetlabs/code/environments/production/environment.conf
modulepath = site:modules:$basemodulepath

Within our example, we have added a new path to the module path setting: site. This directory resides inside our environment (/etc/puppetlabs/code/environments/production/site). This directory will have all of our roles and profiles:

/etc/puppetlabs/code/environment/production/site/
|...

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