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README
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Steadybit extension-prometheus
A Steadybit check implementation to gather Prometheus metrics within chaos engineering experiment executions. These can be used as checks within experiments, e.g., to implement pre- and post-conditions.
Configuration
| Environment Variable | |
|---|---|
STEADYBIT_EXTENSION_PROMETHEUS_INSTANCE_<n>_NAME |
Name of the Prometheus instance |
STEADYBIT_EXTENSION_PROMETHEUS_INSTANCE_<n>_ORIGIN |
Url of the Prometheus |
STEADYBIT_EXTENSION_PROMETHEUS_INSTANCE_<n>_HEADER_KEY |
Optional header key to send to the Prometheus API. Typically used for authentication purposes. |
STEADYBIT_EXTENSION_PROMETHEUS_INSTANCE_<n>_HEADER_VALUE |
Optional header value to send to the Prometheus API. Typically used for authentication purposes. |
Deployment
We recommend that you deploy the extension with our official Helm chart.
Agent Configuration
The Steadybit agent needs to be configured to interact with the Prometheus extension by adding the following environment variables:
# Make sure to adapt the URLs and indices in the environment variables names as necessary for your setup
STEADYBIT_AGENT_ACTIONS_EXTENSIONS_0_URL=http://steadybit-extension-prometheus.steadybit-extension.svc.cluster.local:8087
STEADYBIT_AGENT_DISCOVERIES_EXTENSIONS_0_URL=http://steadybit-extension-prometheus.steadybit-extension.svc.cluster.local:8087
When leveraging our official Helm charts, you can set the configuration through additional environment variables on the agent:
--set agent.env[0].name=STEADYBIT_AGENT_ACTIONS_EXTENSIONS_0_URL \
--set agent.env[0].value="http://steadybit-extension-prometheus.steadybit-extension.svc.cluster.local:8087" \
--set agent.env[1].name=STEADYBIT_AGENT_DISCOVERIES_EXTENSIONS_0_URL \
--set agent.env[1].value="http://steadybit-extension-prometheus.steadybit-extension.svc.cluster.local:8087"
Documentation
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