3.3. 監視スタックにメトリクスを送信するための設定

spec:
  mode: deployment
  observability:
    metrics:
      enableMetrics: true 

  config: |
    exporters:
      prometheus:
        endpoint: 0.0.0.0:8889
        resource_to_telemetry_conversion:
          enabled: true # by default resource attributes are dropped
    service:
      telemetry:
        metrics:
          address: ":8888"
      pipelines:
        metrics:
          receivers: [otlp]
          exporters: [prometheus]

apiVersion: monitoring.coreos.com/v1
kind: PodMonitor
metadata:
  name: otel-collector
spec:
  selector:
    matchLabels:
      app.kubernetes.io/name: `<cr_name>-collector` 

  podMetricsEndpoints:
  - port: metrics 

  - port: promexporter 

    relabelings:
    - action: labeldrop
      regex: pod
    - action: labeldrop
      regex: container
    - action: labeldrop
      regex: endpoint
    metricRelabelings:
    - action: labeldrop
      regex: instance
    - action: labeldrop
      regex: job