hadoop-ozone/dist/src/main/k8s/definitions/ozone/definitions/persistence.yaml

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name: ozone/persistence
description: Add real PVC based persistence
---
- type: Add
  path:
    - spec
  trigger:
    kind: StatefulSet
  value:
      volumeClaimTemplates:
      - metadata:
          name: data
        spec:
          accessModes: [ "ReadWriteOnce" ]
          resources:
            requests:
              storage: 2Gi
- type: Add
  trigger:
     metadata:
        name: datanode
  path:
    - spec
    - template
    - spec
  value:
    affinity:
      podAntiAffinity:
        requiredDuringSchedulingIgnoredDuringExecution:
        - labelSelector:
            matchExpressions:
            - key: component
              operator: In
              values:
              - datanode
          topologyKey: kubernetes.io/hostname
- type: Add
  trigger:
    metadata:
      labels:
        app.kubernetes.io/component: ozone
  path:
    - spec
    - template
    - spec
    - (initContainers|containers)
    - "*"
    - volumeMounts
  value:
    - name: data
      mountPath: /data