apiVersion: snapshot.storage.k8s.io/v1beta1kind: VolumeSnapshotClassmetadata:name: cbs-snapclassdriver: com.tencent.cloud.csi.cbsdeletionPolicy: Delete
$ kubectl get volumesnapshotclassNAME DRIVER DELETIONPOLICY AGEcbs-snapclass com.tencent.cloud.csi.cbs Delete 17m
new-snapshot-demo
快照名为例,使用以下 YAML 创建 VolumeSnapshot 对象。示例如下:apiVersion: snapshot.storage.k8s.io/v1beta1kind: VolumeSnapshotmetadata:name: new-snapshot-demospec:volumeSnapshotClassName: cbs-snapclasssource:persistentVolumeClaimName: csi-pvc
READYTOUSE
为 true,则创建成功。示例如下:$ kubectl get volumesnapshotNAME READYTOUSE SOURCEPVC SOURCESNAPSHOTCONTENT RESTORESIZE SNAPSHOTCLASS SNAPSHOTCONTENT CREATIONTIME AGEnew-snapshot-demo true www1-ivantestweb-0 10Gi cbs-snapclass snapcontent-ea11a797-d438-4410-ae21-41d9147fe610 22m 22m
$ kubectl get volumesnapshotcontentNAME READYTOUSE RESTORESIZE DELETIONPOLICY DRIVER VOLUMESNAPSHOTCLASS VOLUMESNAPSHOT AGEsnapcontent-ea11a797-d438-4410-ae21-41d9147fe610 true 10737418240 Delete com.tencent.cloud.csi.cbs cbs-snapclass new-snapshot-demo 22m
status.snapshotHandle
(如下为 snap-e406fc9m),可以根据快照 ID 在 云服务控制台 > 快照列表 确认快照是否存在。示例如下:$ kubectl get volumesnapshotcontent snapcontent-ea11a797-d438-4410-ae21-41d9147fe610 -oyaml
apiVersion: snapshot.storage.k8s.io/v1beta1kind: VolumeSnapshotContentmetadata:creationTimestamp: "2020-11-04T08:58:39Z"finalizers:- snapshot.storage.kubernetes.io/volumesnapshotcontent-bound-protectionname: snapcontent-ea11a797-d438-4410-ae21-41d9147fe610resourceVersion: "471437790"selfLink: /apis/snapshot.storage.k8s.io/v1beta1/volumesnapshotcontents/snapcontent-ea11a797-d438-4410-ae21-41d9147fe610uid: 70d0390b-79b8-4276-aa79-a32e3bdef3d6spec:deletionPolicy: Deletedriver: com.tencent.cloud.csi.cbssource:volumeHandle: disk-7z32tin5volumeSnapshotClassName: cbs-snapclassvolumeSnapshotRef:apiVersion: snapshot.storage.k8s.io/v1beta1kind: VolumeSnapshotname: new-snapshot-demonamespace: defaultresourceVersion: "471418661"uid: ea11a797-d438-4410-ae21-41d9147fe610status:creationTime: 1604480319000000000readyToUse: truerestoreSize: 10737418240snapshotHandle: snap-e406fc9m
new-snapshot-demo
为例,使用以下 YAML 从快照恢复卷。示例如下:apiVersion: v1kind: PersistentVolumeClaimmetadata:name: restore-testspec:storageClassName: cbs-csidataSource:name: new-snapshot-demokind: VolumeSnapshotapiGroup: snapshot.storage.k8s.ioaccessModes:- ReadWriteOnceresources:requests:storage: 10Gi
$ kubectl get pvc restore-testNAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGErestore-test Bound pvc-80b98084-29a3-4a38-a96c-2f284042cf4f 10Gi RWO cbs-csi 97s
$ kubectl get pv pvc-80b98084-29a3-4a38-a96c-2f284042cf4f -oyaml
apiVersion: v1kind: PersistentVolumemetadata:annotations:pv.kubernetes.io/provisioned-by: com.tencent.cloud.csi.cbscreationTimestamp: "2020-11-04T12:08:25Z"finalizers:- kubernetes.io/pv-protectionname: pvc-80b98084-29a3-4a38-a96c-2f284042cf4fresourceVersion: "474676883"selfLink: /api/v1/persistentvolumes/pvc-80b98084-29a3-4a38-a96c-2f284042cf4fuid: 5321df93-5f21-4895-bafc-71538d50293aspec:accessModes:- ReadWriteOncecapacity:storage: 10GiclaimRef:apiVersion: v1kind: PersistentVolumeClaimname: restore-testnamespace: defaultresourceVersion: "474675088"uid: 80b98084-29a3-4a38-a96c-2f284042cf4fcsi:driver: com.tencent.cloud.csi.cbsfsType: ext4volumeAttributes:diskType: CLOUD_PREMIUMstorage.kubernetes.io/csiProvisionerIdentity: 1604478835151-8081-com.tencent.cloud.csi.cbsvolumeHandle: disk-gahz1kw1nodeAffinity:required:nodeSelectorTerms:- matchExpressions:- key: topology.com.tencent.cloud.csi.cbs/zoneoperator: Invalues:- ap-beijing-2persistentVolumeReclaimPolicy: DeletestorageClassName: cbs-csivolumeMode: Filesystemstatus:phase: Bound
volumeBindingMode: WaitForFirstConsumer
,则需要先部署 Pod(需挂载 PVC)才会触发创建 PV(从快照创建新的 CBS 并与 PV 绑定)。
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