minimal-master-replica-svcmonitor.yaml

# Here we use https://github.com/prometheus-community/helm-charts/charts/kube-prometheus-stack
# Please keep the ServiceMonitor's label same as the Helm release name of kube-prometheus-stack 

apiVersion: v1
kind: Namespace
metadata:
  name: test-pg
---
apiVersion: "acid.zalan.do/v1"
kind: postgresql
metadata:
  name: acid-minimal-cluster
  namespace: test-pg
  labels:
    app: test-pg
spec:
  teamId: "acid"
  volume:
    size: 1Gi
  numberOfInstances: 2
  users:
    zalando:  # database owner
    - superuser
    - createdb
    foo_user: []  # role for application foo
  databases:
    foo: zalando  # dbname: owner
  preparedDatabases:
    bar: {}
  postgresql:
    version: "13"
  sidecars:
    - name: "exporter"
      image: "wrouesnel/postgres_exporter"
      ports:
        - name: exporter
          containerPort: 9187
          protocol: TCP
      resources:
        limits:
          cpu: 500m
          memory: 256M
        requests:
          cpu: 100m
          memory: 200M
---
apiVersion: v1
kind: Service
metadata:
  name: acid-minimal-cluster-svc-metrics-master
  namespace: test-pg
  labels:
    app: test-pg
    spilo-role: master
  annotations:
      prometheus.io/scrape: "true"
      prometheus.io/port: "9187"
spec:
  type: ClusterIP
  ports:
    - name: exporter
      port: 9187
      targetPort: exporter
  selector:
    application: spilo
    cluster-name: acid-minimal-cluster
    spilo-role: master
---
apiVersion: v1
kind: Service
metadata:
  name: acid-minimal-cluster-svc-metrics-replica
  namespace: test-pg
  labels:
    app: test-pg
    spilo-role: replica
  annotations:
      prometheus.io/scrape: "true"
      prometheus.io/port: "9187"
spec:
  type: ClusterIP
  ports:
    - name: exporter
      port: 9187
      targetPort: exporter
  selector:
    application: spilo
    cluster-name: acid-minimal-cluster
    spilo-role: replica
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: acid-minimal-cluster-svcm-master
  namespace: test-pg
  labels:
    app: test-pg
    spilo-role: master
spec:
  endpoints:
    - port: exporter
      interval: 15s
      scrapeTimeout: 10s
  namespaceSelector:
    matchNames:
      - test-pg
  selector:
    matchLabels:
      app: test-pg
      spilo-role: master
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: acid-minimal-cluster-svcm-replica
  namespace: test-pg
  labels:
    app: test-pg
    spilo-role: replica
spec:
  endpoints:
    - port: exporter
      interval: 15s
      scrapeTimeout: 10s
  namespaceSelector:
    matchNames:
      - test-pg
  selector:
    matchLabels:
      app: test-pg
      spilo-role: replica