Prometheus와 함께 사용할 리소스 배포하기

kubectl apply -f <mongodb-prometheus-sample.yaml>

---
apiVersion: mongodb.com/v1
kind: MongoDB
metadata:
  name: my-replica-set
spec:
  members: 3
  version: 6.0.6-ent
  cloudManager:
    configMapRef:
      name: <project-configmap>
  credentials: <credentials-secret>
  type: ReplicaSet
  persistent: true
  prometheus:
    passwordSecretRef:
      # SecretRef to a Secret with a 'password' entry on it.
      name: metrics-endpoint-password
    # change this value to your Prometheus username
    username: prometheus-username
    # Enables HTTPS on the prometheus scrapping endpoint
    # This should be a reference to a Secret type kuberentes.io/tls
    # tlsSecretKeyRef:
    #   name: <prometheus-tls-cert-secret>
    # Port for Prometheus, default is 9216
    # port: 9216
    #
    # Metrics path for Prometheus, default is /metrics
    # metricsPath: '/metrics'
---
apiVersion: monitoring.coreos.com/v1
kind: ServiceMonitor
metadata:
  # This needs to match `spec.ServiceMonitorSelector.matchLabels` from your
  # `prometheuses.monitoring.coreos.com` resouce.
  labels:
    release: prometheus
  name: mongodb-sm
  # Make sure this namespace is the same as in `spec.namespaceSelector`.
  namespace: mongodb
spec:
  endpoints:
  # Configuring a Prometheus Endpoint with basic Auth.
  # `prom-secret` is a Secret containing a `username` and `password` entries.
  - basicAuth:
      password:
        key: password
        name: metrics-endpoint-creds
      username:
        key: username
        name: metrics-endpoint-creds
    # This port matches what we created in our MongoDB Service.
    port: prometheus
    # If using HTTPS enabled endpoint, change scheme to https
    scheme: http
    # Configure different TLS related settings. For more information, see:
    # https://github.com/prometheus-operator/prometheus-operator/blob/main/pkg/apis/monitoring/v1/types.go#L909
    # tlsConfig:
    #    insecureSkipVerify: true
  # What namespace to watch
  namespaceSelector:
    matchNames:
    # Change this to the namespace the MongoDB resource was deployed.
    - mongodb
  # Service labels to match
  selector:
    matchLabels:
      app: my-replica-set-svc
---
apiVersion: v1
kind: Secret
metadata:
  name: metrics-endpoint-creds
  namespace: mongodb
type: Opaque
stringData:
  password: 'Not-So-Secure!'
  username: prometheus-username
...