Extending Puppet

Reusability patterns

Modules' reusability is a topic that has got more and more attention during the last few years; as more people started using Puppet, the need of having some common and shared code to manage common things became more evident.

The following are the reusable modules' main characteristics:

• They can be used by different people without the need to modify their content
• They support different operating systems and allow easy extension to new ones
• They allow users to override the default files provided by the module
• They might have an opinionated approach to the managed resources but don't force it
• They follow a single responsibility principle and should manage only the application they are made for

Reusability, we must underline, is not ...