apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: etcd
  namespace: kube-system
  labels:
    component: etcd
  annotations:
    ## https://kubernetes.io/docs/reference/instrumentation/metrics/
    monitoring.edge.ncr.com/allowed-metrics: |
      etcd_mvcc_db_total_size_in_bytes
spec:
  selector:
    matchLabels:
      component: etcd
      tier: control-plane
  endpoints:
  - port: metrics
    interval: 60s
    metricRelabelings:
    - action: keep
      regex: etcd.*
      sourceLabels:
      - __name__
    path: /metrics
    relabelings:
    - action: replace
      sourceLabels:
      - __meta_kubernetes_pod_node_name
      targetLabel: instance