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Kubernetes Test Container

This is a very simple container that you can use to test your Kubernetes cluster.

Simply create a deployment and service with the yaml file:

kubectl create -f ./kubernetes/kube-test-container.yaml

The containers have already been uploaded so you don't need to build anything here. But the full source is provided here if you want to extend this (Pull Request welcome).

Scale the deployment

kubectl scale deployment kube-test-container --replicas=30

Automatic scaling

Turn on automatic scaling with HPA

kubectl autoscale deployment kube-test-container --min=10 --max=20

View the status

kubectl get deploy,svc kube-test-container

View the status page and generate load

View the external IP Address using the Load Balancer IP http://IPADDRESS/. You will see the correct address marked as EXTERNAL-IP in the service status (see above).

If you click the "Let one use too much RAM" http://IPADDRESS/ram or "Let one use too much CPU" http://IPADDRESS/cpu to trigger one of the container to use too much RAM / CPU (this will grow unbound).

Click "Fetch multiple status pages" for requesting status http://IPADDRESS/status

External load testing

You can use your favorite benchmarking tool. The simplest for many would be Apache Benchmark:

ab -n 1000 -c 10 http://IPADDRESS/status

Testing upgrades

There are three different versions of this component that only differ in reporting a different version:

  • sverrirab/kube-test-container:v1.0
  • sverrirab/kube-test-container:v1.1
  • sverrirab/kube-test-container:v1.2
kubectl set image deployment/kube-test-container kube-test-container=sverrirab/kube-test-container:v1.1


kubectl delete deploy,svc kube-test-container

Helm installation

For testing your cluster with Helm:

helm repo add kube-test-container

To see available versions:

helm search --versions kube-test-container

And to install:

helm install --version 1.1.0 --name ktc kube-test-container/kube-test-container


Screen Shot

Building and testing

If you want to make modifications you can use the ./ script to build a local docker container and ./ to test it locally through http://localhost:8000/.


MIT License - read the LICENSE file for details.


Kubernetes Test Container





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