PrometheusAgent.spec.podMonitorNamespaceSelector.matchExpressions[].values.spec.secrets

secrets defines a list of Secrets in the same namespace as the Prometheus object, which shall be mounted into the Prometheus Pods. Each Secret is added to the StatefulSet definition as a volume named `secret-<secret-name>`. The Secrets are mounted into /etc/prometheus/secrets/<secret-name> in the 'prometheus' container.