deploy-templates/templates/servicemonitor.yaml

apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  name: redis-sentinel-{{ .Release.Namespace }}
  namespace: {{ .Values.monitoring.namespace }}
  labels:
    app.kubernetes.io/name: redis-sentinel
    namespace: {{ .Release.Namespace }}
    relatedNamespace: {{ .Release.Namespace }}
spec:
  endpoints:
    - bearerTokenFile: /var/run/secrets/kubernetes.io/serviceaccount/token
      interval: 30s
      path: /metrics
      scheme: http
      targetPort: 9121
  jobLabel: app
  namespaceSelector:
    matchNames:
      - {{ .Release.Namespace }}
  selector:
    matchExpressions:
      - key: app.kubernetes.io/name
        operator: In
        values:
          - redis-sentinel