Puppet Best Practices: Design Patterns For Main... May 2026

Puppet Best Practices: Design Patterns for Maintainable Code

These are the building blocks (e.g., puppetlabs-apache ). They handle the "how" but shouldn't contain business-specific data.

These are the high-level descriptions of a machine's function (e.g., role::app_server ). A node should ideally have only one role . 2. Separation of Code and Data (Hiera) Puppet Best Practices: Design Patterns for Main...

This is the "gold standard" for Puppet abstraction. It separates your technology-specific code from your business logic, making your codebase modular and readable.

These wrap component modules to define a specific technology stack (e.g., profile::webserver ). They handle local logic and Hiera lookups. Puppet Best Practices: Design Patterns for Maintainable Code

Keep your logic in your profiles and your specific values in your Hiera YAML files. 3. Maintainable Module Design

A good module follows the : it should do one thing and do it well. Puppet Best Practices - The Swiss Bay A node should ideally have only one role

Use Hiera to provide defaults and overrides based on facts like environment or OS.