Create a Chaos Experiment on Kubernetes

Now that you setup successfully your operator and your ChaosIQ secrets, we’ll show you on how to create the Chaos Experiment definition to pass to the operator.

To run Chaos Toolkit with ChaosIQ as a kubernetes pod, we provide a default docker image, but you can create your own, with additional extensions if needed, as described in the documentation. The default image will be downloaded from the docker hub.

First, get the asset URL for either the verification or the experiment from the ChaosIQ console. Copy the URL from the chaos command, or right-click on the downlad button to copy the target link.

Your verification or experiment URL shall be like the following pattern: https://console.chaosiq.io/assets/[verifications|experiments]/<uuid>.json

Then, you shall use the following template, with your own asset URL, to create a Chaos Toolkit Experiment definition. You must modify the command arguments to verify or run an experiment with your own asset URL, update the pod image if you created a custom ChaosIQ docker image, update the settings secret name if desired. You can also customize your manifest following the official documentation.

---
apiVersion: chaostoolkit.org/v1
kind: ChaosToolkitExperiment
metadata:
  name: my-chaos-exp
  namespace: chaostoolkit-crd
spec:
  namespace: chaostoolkit-run
  pod:
    image: chaosiq/chaostoolkit
    chaosArgs:
    - verify
    - https://console.chaosiq.io/assets/verifications/134f08a1-7072-4de3-b4bc-ca21486b4c23.json
    settings:
      enabled: true
      secretName: chaostoolkit-settings
    experiment:
      asFile: false

Save that manifest into a yaml file e.g. verification.yaml.

Finally, apply that manifest onto your Kubernetes cluster:

$ kubectl apply -f ./verification.yaml

You’ll be able to handle your experiments in your cluster from the command line, as described in the official documentation.

The executions and results of those experiements will be pushed to your ChaosIQ console and visible in the Insights and Executions pages.