replica-set-podspec.yaml

---
apiVersion: mongodb.com/v1
kind: MongoDB
metadata:
  name: my-replica-set
spec:
  members: 3
  version: 4.0.0-ent
  service: my-service

  # Indicates featureCompatibilityVersion. This attribute will make the data
  # format to persist in a particular version, maybe older, allowing for
  # future downgrades if necessary.
  featureCompatibilityVersion: "4.0"

  # Please Note: The default Kubernetes cluster domain is `cluster.local`.
  # If your cluster has been configured with another domain, you can specify it
  # with the `clusterDomain` attribute.
  # clusterDomain: mycompany.net

  opsManager:
    configMapRef:
      name: my-project

  credentials: my-credentials
  type: ReplicaSet

  # log level affects the level of logging for the agent. Use DEBUG cautiously
  # as log file size may grow very quickly.
  logLevel: WARN

  persistent: true
  podSpec:
    # `podTemplate.spec.containers[].resources` should be specified otherwise, WiredTiger
    # cache won't be calculated properly by MongoDB daemon.
    podTemplate:
      spec:
        containers:
          - name: mongodb-enterprise-database
            # For more information about Pod and container resource management, see:
            # https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/
            resources:
              limits:
                cpu: "0.25"
                memory: 512M

    # "multiple" persistence allows to mount different directories to different
    # Persistent Volumes.
    persistence:
      multiple:
        data:
          storage: 10Gi
        journal:
          storage: 1Gi
          labelSelector:
            matchLabels:
              app: "my-app"
        logs:
          storage: 500M
          storageClass: standard

    # For podAffinity and nodeAffinity see Kubernetes Docs
    # https://kubernetes.io/docs/concepts/configuration/assign-pod-node/
    podAntiAffinityTopologyKey: nodeId

    podAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
      - labelSelector:
          matchExpressions:
          - key: security
            operator: In
            values:
            - S1
        topologyKey: failure-domain.beta.kubernetes.io/zone

    nodeAffinity:
      requiredDuringSchedulingIgnoredDuringExecution:
        nodeSelectorTerms:
        - matchExpressions:
          - key: kubernetes.io/e2e-az-name
            operator: In
            values:
            - e2e-az1
            - e2e-az2