Book Image

Extending Puppet

By : Alessandro Franceschi
Book Image

Extending Puppet

By: Alessandro Franceschi

Overview of this book

Table of Contents (21 chapters)
Extending Puppet
About the Author
About the Reviewers

An approach to reusable stack modules

What we have seen until now are more or less standard and mainstream Puppet documentation and usage patterns, and I have surely forgotten valuable alternatives. I may have left traces of personal opinions on some solutions, but they are all common and existing ones; nothing has been invented.

In this section, I'm going to discuss something that is not mainstream, has not been validated in the field, and is definitively a personal idea on a possible approach to higher abstraction modules.

It's not completely new or revolutionary: I'd rather call it evolutionary in the line of established patterns such as parameterized classes, the growing usage of PuppetDB, and roles and profiles, with a particular focus on reusability.

Here, I call 'stack' a module that has classes with parameters, files, and templates, which allows the configuration of a complete application stack, either on a single all-in-one node or on separate nodes.

It is supposed to be used by all...