kubernetes-guide/codeblock/prometheus/kubernetes-service-endpoints.yaml

- job_name: "kubernetes-service-endpoints"

  kubernetes_sd_configs:
    - role: endpoints

  relabel_configs:
    # prometheus relabel to scrape only endpoints that have
    # `prometheus.io/scrape: "true"` annotation.
    - source_labels:
        - __meta_kubernetes_service_annotation_prometheus_io_scrape
      action: keep
      regex: true

    # prometheus relabel to customize metric path based on endpoints
    # `prometheus.io/path: <metric path>` annotation.
    - source_labels:
        - __meta_kubernetes_service_annotation_prometheus_io_path
      action: replace
      target_label: __metrics_path__
      regex: (.+)

    # prometheus relabel to scrape only single, desired port for the service based
    # on endpoints `prometheus.io/port: <port>` annotation.
    - source_labels:
        - __address__
        - __meta_kubernetes_service_annotation_prometheus_io_port
      action: replace
      regex: ([^:]+)(?::\d+)?;(\d+)
      replacement: $1:$2
      target_label: __address__

    # prometheus relabel to configure scrape scheme for all service scrape targets
    # based on endpoints `prometheus.io/scheme: <scheme>` annotation.
    - source_labels:
        - __meta_kubernetes_service_annotation_prometheus_io_scheme
      action: replace
      target_label: __scheme__
      regex: (https?)
    - action: labelmap
      regex: __meta_kubernetes_service_label_(.+)
    - source_labels: [__meta_kubernetes_namespace]
      action: replace
      target_label: namespace
    - source_labels: [__meta_kubernetes_service_name]
      action: replace
      target_label: service