Kertify is a CLI tool designed to help you prepare for Kubernetes certifications like CKAD and CKA. It runs against a real Kubernetes cluster (like Kind) and provides a realistic, interactive exam environment.
- 🖥️ Interactive TUI: Full terminal UI with exam selection, question navigation, and timers.
- ⏱️ Real Exam Timer: Simulates the 2-hour exam duration.
- 🎯 Scenario-Based Questions: Randomly selected practical tasks (e.g., creating Pods, Deployments, Services).
- ✅ Instant Validation: Validate your answers instantly against the cluster without leaving the tool.
- 📊 Results Summary: Get a detailed report of your performance at the end.
- 🛠️ Configurable: Add your own scenarios easily via YAML files.
- Go 1.25+ (to build)
- Kind or any Kubernetes cluster
- kubectl configured to point to your cluster
-
Clone and Build:
git clone https://github.com/chamodshehanka/kertify.git cd kertify go build -o kertify .
-
Initialize: Run this command to create the default configuration and scenarios in
~/.kertify:./kertify init
Run the interactive simulator:
./kertify start- Select Exam: Choose between CKAD or CKA from the menu.
- Navigate: Use arrow keys to browse the question list.
- Solve: Press
Enteron a question to see the task. Open a separate terminal and usekubectlto solve it. - Validate: Press
vinside the question view to check your answer instantly. - Submit: Press
son the question list to finish the exam.
You can also use individual commands if you prefer not to use the TUI:
kertify start --exam ckad- Starts a session directly.kertify submit- Validates the current active session state.
Configuration is stored in ~/.kertify/config.yaml.
Scenarios are located in ~/.kertify/scenarios/. You can add your own YAML files there to extend the question pool.
id: pod-01
title: "Pod Creation"
exam: ckad
time_limit_seconds: 300
namespace: default
task: |
Create a Pod named 'nginx-pod' in 'default' ns.
validate:
kind: Pod
name: nginx-pod
checks:
- path: status.phase
equals: RunningMIT