CKAD Trainer

A CLI tool for generating Certified Kubernetes Application Developer (CKAD) practice scenarios using LLMs.

Features

• Generate CKAD practice scenarios complete with validation scripts
• Validate your solutions against the generated validation scripts
• Supports multiple LLM providers (OpenAI and OpenRouter)

Installation

Prerequisites

• Go 1.21 or higher
• A local Kubernetes cluster — any of the following works:
  • Minikube
  • kind (Kubernetes in Docker)
  • Docker Desktop Kubernetes
  • Any standard local Kubernetes cluster
• API key for OpenAI or OpenRouter

Building from Source

git clone https://github.com/galalen/ckad-trainer.git
cd ckad-trainer
go build -o ckad-trainer main.go

Usage

Environment Variables

You can set the following environment variables instead of using command-line flags:

export OPENAI_API_KEY="your-openai-api-key"
export OPENROUTER_API_KEY="your-openrouter-api-key"

Generating Scenarios

# Generate scenarios using OpenRouter
./ckad-trainer generate --provider openrouter --api-key your_key --count 3

# Generate 5 scenarios using OpenAI
./ckad-trainer generate --provider openai --api-key your_key --count 5

# Customize model and parameters
./ckad-trainer generate --provider openai --model gpt-4 --temperature 0.8 --count 10

Validating Scenarios

# Validate a specific scenario
./ckad-trainer validate --scenario 1

# Validate all scenarios
./ckad-trainer validate --all

# Validate scenarios in a custom directory
./ckad-trainer validate --all --dir ./my-scenarios

License

MIT