ingress-nginx-helm/deploy/monitoring/configuration.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-configuration
  labels:
    app.kubernetes.io/name: prometheus
    app.kubernetes.io/part-of: ingress-nginx
    name: prometheus-configuration
  namespace: ingress-nginx
data:
  prometheus.yml: |-
    global:
      scrape_interval: 10s
    scrape_configs:
    - job_name: 'ingress-nginx-endpoints'
      kubernetes_sd_configs:
      - role: pod
        namespaces:
          names:
          - ingress-nginx

      relabel_configs:
      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scrape]
        action: keep
        regex: true
      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_scheme]
        action: replace
        target_label: __scheme__
        regex: (https?)
      - source_labels: [__meta_kubernetes_pod_annotation_prometheus_io_path]
        action: replace
        target_label: __metrics_path__
        regex: (.+)
      - source_labels: [__address__, __meta_kubernetes_pod_annotation_prometheus_io_port]
        action: replace
        target_label: __address__
        regex: ([^:]+)(?::\d+)?;(\d+)
        replacement: $1:$2

      - source_labels: [__meta_kubernetes_service_name]
        regex: prometheus-server
        action: drop

---