elasticsearchdataset-vct.yaml

apiVersion: zalando.org/v1
kind: ElasticsearchDataSet
metadata:
  labels:
    application: elasticsearch
    role: data
    group: simple
  name: es-data-simple
  namespace: es-operator-demo
spec:
  #replicas: 5
  volumeClaimTemplates:
  - metadata:
      annotations:
        volume.beta.kubernetes.io/storage-class: px-es-data-sc
      name: data
    spec:
      storageClassName: px-es-data-sc
      accessModes:
      - ReadWriteOnce
      resources:
        requests:
          storage: 10Gi
  scaling:
    enabled: true
    minReplicas: 3
    maxReplicas: 99
    minIndexReplicas: 2
    maxIndexReplicas: 3
    minShardsPerNode: 2
    maxShardsPerNode: 6
    scaleUpCPUBoundary: 50
    scaleUpThresholdDurationSeconds: 30
    scaleUpCooldownSeconds: 30
    scaleDownCPUBoundary: 25
    scaleDownThresholdDurationSeconds: 30
    scaleDownCooldownSeconds: 30
    diskUsagePercentScaledownWatermark: 80
  template:
    metadata:
      labels:
        application: elasticsearch
        role: data
        group: simple
    spec:
      securityContext:
        fsGroup: 1000
      containers:
      - name: elasticsearch
        env:
        - name: "node.name"
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: "node.attr.group"
          value: "simple"
        - name: "node.master"
          value: "false"
        - name: "node.data"
          value: "true"
        - name: "ES_JAVA_OPTS"
          value: "-Xmx500m -Xms500m"
        image: "docker.elastic.co/elasticsearch/elasticsearch-oss:7.0.0"
        ports:
        - containerPort: 9300
          name: transport
        readinessProbe:
          httpGet:
            path: /_cat/master
            port: 9200
          timeoutSeconds: 10
        resources:
          limits:
            cpu: 1500m
            memory: 800Mi
          requests:
            memory: 800Mi
        volumeMounts:
        - mountPath: /usr/share/elasticsearch/data
          name: data
        - name: elasticsearch-config
          mountPath: /usr/share/elasticsearch/config/elasticsearch.yml
          subPath: elasticsearch.yml

      serviceAccountName: operator
      volumes:
      - name: elasticsearch-config
        configMap:
          name: es-config
          items:
          - key: elasticsearch.yml
            path: elasticsearch.yml