Steadybit extension-istio

This Steadybit extension enables the injection of HTTP and gRPC faults into Istio's virtual services.

Learn about the capabilities of this extension in our Reliability Hub.

Configuration

Environment Variable	Helm value	Meaning	Required	Default
STEADYBIT_EXTENSION_CLUSTER_NAME	kubernetes.clusterName	Kubernetes cluster name.	yes
STEADYBIT_EXTENSION_DISCOVERY_ATTRIBUTES_EXCLUDES_VIRTUAL_SERVICE	discovery.attributes.excludes.virtualService	List of Target Attributes which will be excluded during discovery. Checked by key equality and supporting trailing "*"	false

The extension supports all environment variables provided by steadybit/extension-kit.

Installation

Kubernetes

Detailed information about agent and extension installation in kubernetes can also be found in our documentation.

Recommended (via agent helm chart)

All extensions provide a helm chart that is also integrated in the helm-chart of the agent.

You must provide additional values to activate this extension.

--set extension-istio.enabled=true \
--set extension-istio.kubernetes.clusterName=my-cluster \

Additional configuration options can be found in the helm-chart of the extension.

Alternative (via own helm chart)

If you need more control, you can install the extension via its dedicated helm-chart.

helm repo add steadybit-extension-istio https://steadybit.github.io/extension-istio
helm repo update
helm upgrade steadybit-extension-istio \
    --install \
    --wait \
    --timeout 5m0s \
    --create-namespace \
    --namespace steadybit-agent \
    --set kubernetes.clusterName="my-cluster" \
    steadybit-extension-istio/steadybit-extension-istio

Extension registration

Make sure that the extension is registered with the agent. In most cases this is done automatically. Please refer to the documentation for more information about extension registration and how to verify.

Version and Revision

The version and revision of the extension:

• are printed during the startup of the extension
• are added as a Docker label to the image
• are available via the version.txt/revision.txt files in the root of the image