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ドキュメントCloud File StoragePractical TutorialUsing CFS Turbo on TKE Serverless Cluster

Using CFS Turbo on TKE Serverless Cluster

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最終更新日: 2024-01-22 22:15:47

Overview

You can mount a Cloud File Storage (CFS) Turbo storage for TKE Serverless Cluster. The add-on is used to mount the Tencent Cloud CFS Turbo file system to a workload based on a private protocol. Currently, only static configuration is supported. For more information about CFS storage classes, see Storage Classes and Performance.

Prerequisites

‍A TKE Serverless Cluster of v1.14 or later has been created.

Directions

Creating a file system

Create a CFS Turbo file system as instructed in Creating a File System and Mount Target.
Note:
After the file system is created, you need to associate the cluster network (vpc-xx) with the CCN instance of the file system. You can check the associated instance in the file system mount target information.

Deploying a Node Plugin

Step 1. Create a csidriver.yaml file

Here is an example of a csidriver.yaml file:
apiVersion: storage.k8s.io/v1beta1
kind: CSIDriver
metadata:
  name: com.tencent.cloud.csi.cfsturbo
spec:
  attachRequired: false
  podInfoOnMount: false

Step 2. Create a CSI driver

Run the following command to create a CSI driver:
kubectl apply -f csidriver.yaml

Creating a CFS Turbo volume

Step 1. Create a CFS Turbo type PV based on the following template

apiVersion: v1
kind: PersistentVolume
metadata:
  name: pv-cfsturbo
spec:
  accessModes:
  - ReadWriteMany
  capacity:
    storage: 10Gi
  csi:
    driver: com.tencent.cloud.csi.cfsturbo
    volumeHandle: pv-cfsturbo
    volumeAttributes: 
      host: 10.0.0.1
      # Set host to the actual mount target IP
      fsid: d3816815
      # Set fsid to the actual FSID
      path: /
      # CFS Turbo subdirectory
  storageClassName: ""
Parameters:
metadata.name: The name of the created PV.
spec.csi.volumeHandle: It must be consistent with the PV name.
spec.csi.volumeAttributes.host: The IP address of the file system. You can check it in the file system mount target information.
spec.csi.volumeAttributes.fsid: The FSID of the file system (not the file system ID). You can check it in the file system mount target information. It is the string after "tcp0:/" and before "/cfs" in the mount command.
spec.csi.volumeAttributes.path: File system subdirectory, which defaults to "/" if not specified. (To improve mounting performance, the plugin backend actually locates the "/cfs" directory for "/"). If you want to mount a subdirectory, ensure that the subdirectory exists in the file system "/cfs". After a subdirectory is mounted, the workload will not be able to access its upper-level directories. For example, if you want to set "path: /test", ensure that "/cfs/test" exists in the file system.


Step 2. Create a PVC based on the following template to bind the PV

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: pvc-cfsturbo
spec:
  storageClassName: ""
  volumeName: pv-cfsturbo
  accessModes:
  - ReadWriteMany
  resources:
    requests:
      storage: 10Gi
Parameters:
metadata.name: The name of the created PVC.
spec.volumeName: It must be consistent with the name of the PV created in Step 1.

Using a CFS Turbo volume

Create a Pod ‍and mount the PVC based on the following template.
apiVersion: v1
kind: Pod
metadata:
  name: nginx 
spec:
  containers:
  - image: ccr.ccs.tencentyun.com/qcloud/nginx:1.9
    imagePullPolicy: Always
    name: nginx
    ports:
    - containerPort: 80
      protocol: TCP
    volumeMounts:
      - mountPath: /var/www
        name: data
  volumes:
  - name: data
    persistentVolumeClaim:
      claimName: pvc-cfsturbo

前の記事へ: Using CFS Turbo on TKE次の記事へ: Selecting a Network for Turbo CFS

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