云容器引擎 CCE-示例:Simple Persistent Volume Example
Simple Persistent Volume Example
在CCE使用PVC时,yaml文件需做一些适配:
- 使用云硬盘存储卷EVS
- 创建storageClass
CCE默认支持的csi-disk为SAS类型的云硬盘。 若想使用超高I/O类型的云硬盘,需要创建对应的storageClass。
vim csi-disk-ssd.yaml
复制以下内容:
allowVolumeExpansion: trueapiVersion: storage.k8s.io/v1kind: StorageClassmetadata: name: csi-disk-ssdparameters: csi.storage.k8s.io/csi-driver-name: disk.csi.everest.io csi.storage.k8s.io/fstype: ext4 everest.io/disk-volume-type: SSD everest.io/passthrough: "true"provisioner: everest-csi-provisionerreclaimPolicy: DeletevolumeBindingMode: Immediate
保存后退出:
kubectl create -f csi-disk-ssd.yaml
- accessModes需填写为ReadWriteOnce。
- 添加storageClassName: csi-disk-ssd。
- 创建storageClass
- 使用文件存储卷SFS
- accessModes需填写为ReadWriteMany。
- 添加storageClassName: csi-nas。
下面以文件存储卷SFS为例,yaml文件如下:
apiVersion: "clickhouse.altinity.com/v1"kind: "ClickHouseInstallation"metadata: name: "pv-simple"spec: defaults: templates: dataVolumeClaimTemplate: data-volume-template logVolumeClaimTemplate: log-volume-template configuration: clusters: - name: "simple" layout: shardsCount: 1 replicasCount: 1 templates: volumeClaimTemplates: - name: data-volume-template spec: accessModes: - ReadWriteMany resources: requests: storage: 10Gi storageClassName: csi-nas - name: log-volume-template spec: accessModes: - ReadWriteMany resources: requests: storage: 10Gi storageClassName: csi-nas
使用如下命令创建:
kubectl -n test-clickhouse-operator create -f 03-persistent-volume-01-default-volume.yaml
一段时间后,查看资源运行情况:
kubectl get pvc -n test-clickhouse-operator
kubectl get pod -n test-clickhouse-operator
查看存储卷挂载情况:
kubectl -n test-clickhouse-operator exec -ti chi-pv-simple-simple-0-0-0 -c clickhouse bash
df -h
连接ClickHouse Database:
kubectl -n test-clickhouse-operator exec -ti chi-pv-simple-simple-0-0-0 -- clickhouse-client