Module 1: Kubernetes Architecture Deep Dive

Overview

This module provides a deep understanding of Kubernetes architecture, focusing on the components and patterns that operators build upon. You’ll learn how the control plane works, how the API machinery operates, the controller pattern, and how custom resources extend Kubernetes.

Duration: 5-6 hours
Prerequisites: Basic Kubernetes knowledge, kubectl familiarity

Learning Objectives

By the end of this module, you will:

Understand Kubernetes control plane components and their interactions
Know how the Kubernetes API machinery works
Comprehend the controller pattern and reconciliation loops
Understand Custom Resource Definitions (CRDs) and when to use them

Module Structure

Setup

Before starting, ensure you have:

Completed the development environment setup:
```
./scripts/setup-dev-environment.sh
```
Created a kind cluster:
```
./scripts/setup-kind-cluster.sh
```
Verified cluster access:
```
kubectl cluster-info
kubectl get nodes
```

Hands-on Labs

Each lesson includes hands-on exercises. All labs use the kind cluster you set up.

Solutions

Complete working solutions for all labs are available in the solutions directory:

Lab 1.4 Solutions - Website CRD and example resources