relabel_configs:
  # only probe services with probe set, both of the following annotations are supported:
  #   metrics.agent.grafana.com/scrape: true
  #   prometheus.io/scrape: true
  #   or 
  #   metrics.agent.grafana.com/scrape: http-metrics=true,grpc=false
  #   prometheus.io/scrape: http-metrics=true,grpc=false
  - action: keep
    source_labels:
      - __meta_kubernetes_service_port_name
      - __meta_kubernetes_service_annotation_prometheus_io_probe
      - __meta_kubernetes_service_annotation_metrics_agent_grafana_com_probe
    separator: ;
    regex: ^([^;,\n]*);.*?(\b\1\b=|;)(true)(;.+|$)