Configuration Management – Puppet

Day 1 – Introduction

• What is Configuration Management and what it is not
• The Puppet language and terminology
• Architecture fundamentals (Server vs. Serverless)
• Installing the Puppet Server and Puppet Agent
  • Filesystem paths
  • Registering to the Puppet Server
• Puppet Agent:
  • Our first Puppet run.
  • Puppet Agent run flow
  • Debugging
• Key concepts explained:
  • Resources
  • Manifests
  • Classes
  • Facts
  • Modules
  • Data types

Day 2 – Writing our first module

• Resources
• Manifests
• Classes
  • Writing classes
  • Parameter inheritance
  • Parameter scope
• Facts
  • Using built-in Facts
  • Setting up custom Facts
• Modules
  • Using modules from the Forge
  • Writing custom modules
• Roles and Profiles

Day 3 – Separating components and environments

• Hiera and the lookup() function
  • Create and understand the hierarchical topology
  • Using the lookup() function
  • Merge and Knockout using lookup()
• Demo only: Custom Facts
• Exporting and Collecting Resources

Day 4 – Git and r10k

• Using Git repositories to store Puppet modules
• Git flow
• Creating a control repository
• Separating environments with r10k