02-templates-04-host-template-volume-claim-and-pod-resources-limit.yaml

apiVersion: "clickhouse.altinity.com/v1"
kind: "ClickHouseInstallation"
metadata:
  name: "template-pod-res"
spec:
  configuration:
    clusters:
      - name: "resources-limit"
        layout:
          shardsCount: 1
          replicasCount: 1
  defaults:
    templates:
      # Templates are specified as default for all clusters
      podTemplate: pod-template-resource-limit
      hostTemplate: host-template-custom-ports

  templates:

    hostTemplates:
      - name: host-template-custom-ports
        spec:
          tcpPort: 7000
          httpPort: 7001
          interserverHTTPPort: 7002

    podTemplates:
      - name: pod-template-resource-limit
        spec:
          containers:
            - name: clickhouse
              image: clickhouse/clickhouse-server:23.8
              volumeMounts:
                - name: clickhouse-data-storage
                  mountPath: /var/lib/clickhouse
              # Container has explicitly specified resource limits
              resources:
                requests:
                  memory: "512Mi"
                  cpu: "500m"
                limits:
                  memory: "512Mi"
                  cpu: "500m"

    volumeClaimTemplates:
      - name: clickhouse-data-storage
        spec:
          accessModes:
            - ReadWriteOnce
          # VolumeClaim has explicitly specified resource limits
          resources:
            requests:
              storage: 500Mi