本文介绍如何在工作流集群中挂载使用存储卷。
使用说明
在工作流集群中支持使用OSS存储卷、NAS存储卷和CPFS2.0存储卷。
使用OSS存储卷
使用以下示例代码,创建OSS存储卷。
更多信息,请参见使用OSS静态存储卷。如果使用其他类型存储卷,请替换对应的参数。
展开查看使用OSS存储卷的YAML示例代码
apiVersion: v1 kind: Secret metadata: name: oss-secret namespace: default stringData: akId: <yourAccessKey ID> # akId需要替换为您的AccessKey ID。 akSecret: <yourAccessKey Secret> # akSecret需要替换为您的AccessKey Secret。 --- apiVersion: v1 kind: PersistentVolume metadata: name: pv-oss labels: alicloud-pvname: pv-oss spec: capacity: storage: 5Gi accessModes: - ReadWriteMany persistentVolumeReclaimPolicy: Retain csi: driver: ossplugin.csi.alibabacloud.com volumeHandle: pv-oss # 需要和PV名字一致。 nodePublishSecretRef: name: oss-secret namespace: default volumeAttributes: bucket: <your bucket name> # 需要替换为您的Bucket名称。 url: "oss-<your region id>-internal.aliyuncs.com" # 需要替换<your region id>为您OSS的地域ID,例如华北2(北京)地域为:oss-cn-beijing-internal.aliyuncs.com。 otherOpts: "-o max_stat_cache_size=0 -o allow_other -o multipart_size=30 -o parallel_count=20" # -o max_stat_cache_size=0 path: "/" #挂载bucket根目录,也可以设置此参数挂载bucket下子目录,例如: path: "testdir/testdir1" --- apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc-oss namespace: default spec: accessModes: - ReadWriteMany resources: requests: storage: 5Gi selector: matchLabels: alicloud-pvname: pv-oss
可选参数:
您可以为OSS存储卷输入定制化参数,格式为
-o *** -o ***
,例如-o umask=022 -o max_stat_cache_size=0 -o allow_other
。umask:用于更改ossfs读文件的权限。例如,设置
umask=022
后,ossfs文件的权限都会变更为755。通过SDK、OSS控制台等其他方式上传的文件在ossfs中默认权限均为640。因此,建议您在读写分离场景中配置umask权限。
max_stat_cache_size:用于指定文件元数据的缓存空间,可缓存多少个文件的元数据。元数据缓存可加快ls操作速度。但若通过其他例如OSS、SDK、控制台、ossutil等方式修改文件,可能会导致元数据未被及时更新。
allow_other:赋予计算机上其他用户访问挂载目录的权限,但不包含目录内的文件。
更多可选参数,请参见选项列表。
使用以下示例代码,创建工作流使用存储卷。
展开查看在工作流中挂载使用OSS存储卷的YAML示例代码
apiVersion: argoproj.io/v1alpha1 kind: Workflow metadata: generateName: volumes-existing- namespace: default spec: entrypoint: volumes-existing-example volumes: # Pass my-existing-volume as an argument to the volumes-existing-example template. # Same syntax as k8s Pod spec. - name: workdir persistentVolumeClaim: claimName: pvc-oss templates: - name: volumes-existing-example steps: - - name: generate template: whalesay - - name: print template: print-message - name: whalesay container: image: docker/whalesay:latest command: [sh, -c] args: ["echo generating message in volume; cowsay hello world | tee /mnt/vol/hello_world.txt"] volumeMounts: - name: workdir mountPath: /mnt/vol - name: print-message container: image: alpine:latest command: [sh, -c] args: ["echo getting message from volume; find /mnt/vol; cat /mnt/vol/hello_world.txt"] volumeMounts: - name: workdir mountPath: /mnt/vol
使用NAS存储卷
使用以下示例代码,创建静态NAS共享卷。
展开查看使用NAS共享卷的YAML示例代码
apiVersion: v1 kind: PersistentVolume metadata: name: pv-nas labels: alicloud-pvname: pv-nas spec: capacity: storage: 100Gi accessModes: - ReadWriteMany csi: driver: nasplugin.csi.alibabacloud.com volumeHandle: pv-nas # 必须与PV Name保持一致。 volumeAttributes: server: "<your nas filesystem id>.cn-beijing.nas.aliyuncs.com" path: "/" mountOptions: - nolock,tcp,noresvport - vers=3 --- kind: PersistentVolumeClaim apiVersion: v1 metadata: name: pvc-nas spec: accessModes: - ReadWriteMany resources: requests: storage: 100Gi selector: matchLabels: alicloud-pvname: pv-nas
使用以下示例代码,在工作流中挂载和使用NAS。
展开查看在工作流中挂载使用NAS共享卷的YAML示例代码
apiVersion: argoproj.io/v1alpha1 kind: Workflow metadata: generateName: volumes-existing- namespace: default spec: entrypoint: volumes-existing-example volumes: # Pass my-existing-volume as an argument to the volumes-existing-example template. # Same syntax as k8s Pod spec. - name: workdir persistentVolumeClaim: claimName: pvc-nas templates: - name: volumes-existing-example steps: - - name: generate template: whalesay - - name: print template: print-message - name: whalesay container: image: docker/whalesay:latest command: [sh, -c] args: ["echo generating message in volume; cowsay hello world | tee /mnt/vol/hello_world.txt"] volumeMounts: - name: workdir mountPath: /mnt/vol - name: print-message container: image: alpine:latest command: [sh, -c] args: ["echo getting message from volume; find /mnt/vol; cat /mnt/vol/hello_world.txt"] volumeMounts: - name: workdir mountPath: /mnt/vol
使用CPFS2.0存储卷
执行以下命令,创建CPFS2.0共享卷。
展开查看使用CPFS2.0共享卷的YAML示例代码
cat << EOF | kubectl apply -f - apiVersion: v1 kind: PersistentVolume metadata: name: pv-cpfs labels: alicloud-pvname: pv-cpfs spec: accessModes: - ReadWriteOnce capacity: storage: 1000Gi csi: driver: nasplugin.csi.alibabacloud.com volumeAttributes: mountProtocol: cpfs-nfs # 挂载时,使用NFS协议进行挂载。 path: "/share" # 挂载目录必须以/share为前缀。 volumeAs: subpath server: "<your cpfs id, e.g cpfs-****>.<regionID>.cpfs.aliyuncs.com" # 为挂载点前面的域名。 volumeHandle: pv-cpfs # 必须与PV Name保持一致。 mountOptions: - rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport - vers=3 --- apiVersion: v1 kind: PersistentVolumeClaim metadata: name: pvc-cpfs spec: accessModes: - ReadWriteOnce resources: requests: storage: 1000Gi selector: matchLabels: alicloud-pvname: cpfs-pv EOF
使用以下示例代码,在工作流中挂载和使用CPFS2.0。
展开查看在工作流中挂载使用CPFS2.0共享卷的YAML示例代码
apiVersion: argoproj.io/v1alpha1 kind: Workflow metadata: generateName: volumes-existing- namespace: default spec: entrypoint: volumes-existing-example volumes: # Pass my-existing-volume as an argument to the volumes-existing-example template. # Same syntax as k8s Pod spec. - name: workdir persistentVolumeClaim: claimName: pvc-cpfs templates: - name: volumes-existing-example steps: - - name: generate template: whalesay - - name: print template: print-message - name: whalesay container: image: docker/whalesay:latest command: [sh, -c] args: ["echo generating message in volume; cowsay hello world | tee /mnt/vol/hello_world.txt"] volumeMounts: - name: workdir mountPath: /mnt/vol - name: print-message container: image: alpine:latest command: [sh, -c] args: ["echo getting message from volume; find /mnt/vol; cat /mnt/vol/hello_world.txt"] volumeMounts: - name: workdir mountPath: /mnt/vol