Configuration

Here’s a list of environment variables used by CAP Operator.

Controller

• CERT_MANAGER: specifies the certificate manager to be used for TLS certificates. Possible values are:
  • gardener: “Gardener” certificate management
  • cert-manager.io: cert-manager.io cert-manager
• DNS_MANAGER: specifies the external DNS manager to be used. Possible values are:
  • gardener: “Gardener” external DNS manager
  • kubernetes: external DNS management from Kubernetes
• PROMETHEUS_ADDRESS: URL of the Prometheus server (or service) for executing PromQL queries e.g. http://prometheus-operated.monitoring.svc.cluster.local:9090. If no URL is supplied, the controller will not start the version monitoring function.
• PROM_ACQUIRE_CLIENT_RETRY_DELAY: Time delay between retries when a Prometheus client creation and connection check fails.
• METRICS_EVAL_INTERVAL: Time interval between subsequent iterations where outdated versions are identified and queued for evaluation.