Learn PUPPET with Real Code Examples
Updated Nov 27, 2025
Architecture
Puppet Master/Server -> Agents -> Nodes
Manifest compilation -> Catalogs -> Agent enforcement
PuppetDB stores node data and reports
Hiera provides hierarchical configuration
Custom modules and facts extend functionality
Rendering Model
Compile manifests -> Generate catalogs -> Apply on nodes
Collect facts with Facter
Store and query node data in PuppetDB
Report enforcement results to Puppet Server
Use Hiera for hierarchical configuration data
Architectural Patterns
Agent/Master architecture
Bolt for orchestration
Modules for reusable code
Hiera for data separation
Integration with CI/CD pipelines
Real World Architectures
Enterprise Linux/Windows server farms
Cloud VM provisioning with modules
Application deployment pipelines
Compliance and security policy enforcement
IoT and hybrid cloud infrastructure management
Design Principles
Declarative configuration
Idempotence and consistency
Modular reusable manifests
Scalable agent-based architecture
Integration with automation pipelines
Scalability Guide
Use environments for multi-stage deployments
Leverage PuppetDB for state tracking
Distribute agents across multiple masters
Organize manifests into reusable modules
Automate with CI/CD pipelines
Migration Guide
Migrate Puppet 3 manifests to Puppet 4+ DSL
Refactor inline templates to modules
Adopt Hiera for data separation
Move from older agent/master setups to Puppet Enterprise
Update deprecated resource types and syntax