About Course
- Know your Instructor - Who is Gourav Shah ?
Infrastructure as a Code
- Introduction
- Four Approaches to Manage Infrastructures
- Scripts vs IaaC - Procedural vs Declarative Approaches
- My Story - How I got started with Puppet
- Pull Model Centralized Configuration Management
- Convergence and Idempotence
- Code vs Data - Creating Dynamic Configurations
- Iterative Approach, Who is Puppet for, What it is not
- Is IaaC only about Puppet/Chef ? Going beyond the configuration management
Path to Automation with Puppet
- Introduction
- Path to Automation with Puppet
- Training Approach
Environment Setup
- Environment Setup - Section Intro
- Codespaces Introduction
- Using Codespaces
- Puppet Master Agent Setup
- Regenerating Certs
- Project Intro
Manifests
- Introduction
- Resource DSL
- Writing our first Manifest
- Applying Puppet Manifest Locally
- Idempotence and Convergence
- Solution to Exercise
- Execute Resource and Idempotence
- Lab: Creating and applying a Puppet Manifest
- Slides: Puppet - Manifests
Modules
- Introduction
- Anatomoy of a Module and Modulepath Configurations
- Generating Modules
- Classes, Naming Convention and Strategies
- Creating java::install class, Classifying Node with Node Definitions
- Using Default Block, Adding Checkpoints with Notify Resource, Classification
- Ordering, Notifications and Meta Parameters
- Exercise - Creating Tomcat Classes
- Solution to Tomcat Exercise
- Using init.pp , Defining Dependencies
- Managing Configurations
- Lab: Modules
- Slides: Creating Modular Code
Parameters
- Introduction
- Code vs Data, Defining Sane Defaults
- Params.pp design pattern, Defining Variables
- Inheritance to consume properties defined in params
- Parameterize Tomcat Configs
- Supporting Platform Specific Configs with Params.pp and Switches
- Using Facts inside Classes to create flexible configs
- Lab: Data Driven Modules - Params and Facts
- Slides: Puppet Parameters, Facts and Templates
Templates
- Introduction
- Why Templates? ERB Syntax
- Templatizing Tomcat Configs
- Lab: Converting tomcat.conf into a template
Parameterized Classes
- Introduction
- The need for Parameterised Class
- How to write a Parameterised Class
- Creating Parameterised Class for Tomcat
- Lab: Coverting tomcat class into a parameterised class
Defined Types
- Introduction
- Defined Types vs Parameterised Classes, when to use what?
- Puppetforge, Modules Selection Criteria, HAProxy Loadbalancers
- Setting up a Load Balancer with Defined Types
- Lab: Defined Types
Deploying a Application
- Introduction
- Setting up Sysfoo build with CircleCI and GitHub
- Wrting a Defined type to Deploy Sysfoo
- Selecting and writing Resources to Deploy the App
- Making deployment code Idempotent
Environments
- Introduction
- Creating a dev environment and adding nodes to it
- r10k - Automating Code Deployments to Puppet Master
- Setting up Control Repo and Puppetfile
- Deploying to dev environment with r10k
Using Hiera
- Introduction
- What is Hiera, an Introduction
- Using Hiera to create per environment configurations
- Using Hiera for Node Classification, Overriding Properties with Additional Data
- Lab: Hiera Lab for Puppet
Puppet Enterprise
- Introduction
- Install Puppet Enterprise
- Adding Nodes to PE
- Dynamically Classifying Nodes with Groups
- Orchestrating Application Stacks
Roles and Profiles Design Patterns
- Introduction
