Creating a PersistentVolume_Cloud Container Engine

Function

This API is used to create a PersistentVolume associated with cloud storage (for example, EVS, SFS, and OBS). This API has been discarded. Use the API described in Creating a PersistentVolume.

The format of the storage management URL is https://{clusterid}.Endpoint/uri. In the URL, {clusterid} indicates a cluster ID, and uri indicates the resource path, that is, the path for API access. If https://Endpoint/uri is used, the X-Cluster-ID parameter must be specified in the request header.

URI

POST /api/v1/cloudpersistentvolumes

Request

**Table 1** Request header parameter description
Parameter	Mandatory	Type	Description
Content-Type	Yes	String	Message body type (format). Possible values: application/json;charset=utf-8 application/json
X-Auth-Token	Yes	String	Requests for calling an API can be authenticated using either a token or AK/SK. If token-based authentication is used, this parameter is mandatory and must be set to a user token. For details on how to obtain a user token, see Authentication. Maximum length: 16,384 characters
X-Cluster-ID	No	String	Cluster ID. This parameter is mandatory when the URL format https://Endpoint/uri is used. For details about how to obtain the value, see How to Obtain Parameters in the API URI.

**Table 2** Request body parameters
Parameter	Mandatory	Type	Description
apiVersion	Yes	String	API version. The value is fixed to v1. Default value: v1
kind	Yes	String	API type. The value is fixed to PersistentVolume. Default value: PersistentVolume
metadata	Yes	PersistentVolumeMetadata object	PersistentVolume metadata information.
spec	Yes	PersistentVolumeSpec object	PersistentVolume specifications.
status	No	PersistentVolumeStatus object	PersistentVolume status information.

**Table 3** PersistentVolumeMetadata
Parameter	Mandatory	Type	Description
name	Yes	String	PV name. Enter 1 to 253 characters starting and ending with a letter or digit. Only lowercase letters, digits, hyphens (-), and periods (.) are allowed. PV names must be unique in a namespace.
labels	No	Map<String,String>	PV labels, in the format of key-value pairs. Key: Enter 1 to 63 characters starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. A DNS subdomain can be prefixed to a key and contain a maximum of 253 characters. Example DNS subdomain: example.com/my-key Value: The value can be left blank or 1 to 63 characters, starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed in the character string. Example label: "foo": "bar"

**Table 4** PersistentVolumeSpec
Parameter	Mandatory	Type	Description
flexVolume	Yes	FlexVolume object	FlexVolume storage plug-in of Kubernetes.
persistentVolumeReclaimPolicy	No	String	PV reclaim policy. Possible values: Retain: The Retain reclaim policy allows for manual reclamation of the resource. When the PVC is deleted, the PV still exists and the volume is considered "released". Recycle: The Recycle reclaim policy performs a basic scrub (rm -rf / thevolume / ) on the volume and makes it available again for a new claim. Delete: For volume plug-ins that support the Delete reclaim policy, deletion removes both the PV object from Kubernetes, as well as the associated storage asset in the external infrastructure. Volumes that were dynamically provisioned inherit the reclaim policy of their StorageClass, which defaults to Delete*.
accessModes	Yes	Array of strings	Access mode of the PersistentVolume. ReadWriteOnce: The volume can be mounted as read-write by a single node. NOTE: This function is supported only when the cluster version is v1.13.10 and the storage-driver version is 1.0.19. ReadOnlyMany: The volume can be mounted as read-only by many nodes. ReadWriteMany: The volume can be mounted as read-write by many nodes.

**Table 5** FlexVolume
Parameter	Mandatory	Type	Description
driver	Yes	String	Name of the FlexVolume storage plug-in. Set this parameter based on the storage volume type. huawei.com/fuxivol (EVS) huawei.com/fuxinfs (SFS) huawei.com/fuxiobs (OBS) huawei.com/fuxiefs (SFS Turbo)
fsType	Yes	String	File system type. Set this parameter based on the storage volume type. ext4: EVS volume. For details, see Using EVS Disks as Storage Volumes. nfs: SFS volume. For details, see Using SFS File Systems as Storage Volumes. obs: OBS volume. For details, see Using OBS Buckets as Storage Volumes. efs: SFS Turbo volume. For details, see Using SFS Turbo File Systems as Storage Volumes.
options	Yes	Options object	FlexVolume configuration items.

**Table 6** Options
Parameter	Mandatory	Type	Description
fsType	Yes	String	File system type. Set this parameter based on the storage volume type. ext4 (EVS) nfs (SFS) obs (OBS) efs (SFS Turbo)
region	Yes	String	Region where the cloud storage is located.
volumeID	Yes	String	UUID of the cloud storage. If the cloud storage is an OBS bucket, set this parameter to the bucket name.
storageType	Yes	String	Cloud storage volume type. bs (EVS) nfs (SFS) obs (OBS) efs (SFS Turbo)

**Table 7** PersistentVolumeStatus
Parameter	Mandatory	Type	Description
accessModes	No	Array of strings	Access mode of the PersistentVolume.
phase	No	String	PV status. Possible values: Available: The volume is not bound to any PVC. Bound: The PV has been bound to a PVC. Released: The PVC bound to the PV has been deleted, but the PV has not been made available again for a new claim in the cluster. Failed: Automatic reclaim of the volume has failed.

Response

Status code: 201

**Table 8** Response body parameters
Parameter	Type	Description
apiVersion	String	API version. The value is fixed to v1. Default value: v1
kind	String	API type. The value is fixed to PersistentVolume. Default value: PersistentVolume
metadata	PersistentVolumeMetadata object	PersistentVolume metadata information.
spec	PersistentVolumeSpec object	PersistentVolume specifications.
status	PersistentVolumeStatus object	PersistentVolume status information.

**Table 9** PersistentVolumeMetadata
Parameter	Type	Description
name	String	PV name. Enter 1 to 253 characters starting and ending with a letter or digit. Only lowercase letters, digits, hyphens (-), and periods (.) are allowed. PV names must be unique in a namespace.
labels	Map<String,String>	PV labels, in the format of key-value pairs. Key: Enter 1 to 63 characters starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed. A DNS subdomain can be prefixed to a key and contain a maximum of 253 characters. Example DNS subdomain: example.com/my-key Value: The value can be left blank or 1 to 63 characters, starting with a letter or digit. Only letters, digits, hyphens (-), underscores (_), and periods (.) are allowed in the character string. Example label: "foo": "bar"

**Table 10** PersistentVolumeSpec
Parameter	Type	Description
flexVolume	FlexVolume object	FlexVolume storage plug-in of Kubernetes.
persistentVolumeReclaimPolicy	String	PV reclaim policy. Possible values: Retain: The Retain reclaim policy allows for manual reclamation of the resource. When the PVC is deleted, the PV still exists and the volume is considered "released". Recycle: The Recycle reclaim policy performs a basic scrub (rm -rf / thevolume / ) on the volume and makes it available again for a new claim. Delete: For volume plug-ins that support the Delete reclaim policy, deletion removes both the PV object from Kubernetes, as well as the associated storage asset in the external infrastructure. Volumes that were dynamically provisioned inherit the reclaim policy of their StorageClass, which defaults to Delete*.
accessModes	Array of strings	Access mode of the PersistentVolume. ReadWriteOnce: The volume can be mounted as read-write by a single node. NOTE: This function is supported only when the cluster version is v1.13.10 and the storage-driver version is 1.0.19. ReadOnlyMany: The volume can be mounted as read-only by many nodes. ReadWriteMany: The volume can be mounted as read-write by many nodes.

**Table 11** FlexVolume
Parameter	Type	Description
driver	String	Name of the FlexVolume storage plug-in. Set this parameter based on the storage volume type. huawei.com/fuxivol (EVS) huawei.com/fuxinfs (SFS) huawei.com/fuxiobs (OBS) huawei.com/fuxiefs (SFS Turbo)
fsType	String	File system type. Set this parameter based on the storage volume type. ext4: EVS volume. For details, see Using EVS Disks as Storage Volumes. nfs: SFS volume. For details, see Using SFS File Systems as Storage Volumes. obs: OBS volume. For details, see Using OBS Buckets as Storage Volumes. efs: SFS Turbo volume. For details, see Using SFS Turbo File Systems as Storage Volumes.
options	Options object	FlexVolume configuration items.

**Table 12** Options
Parameter	Type	Description
fsType	String	File system type. Set this parameter based on the storage volume type. ext4 (EVS) nfs (SFS) obs (OBS) efs (SFS Turbo)
region	String	Region where the cloud storage is located.
volumeID	String	UUID of the cloud storage. If the cloud storage is an OBS bucket, set this parameter to the bucket name.
storageType	String	Cloud storage volume type. bs (EVS) nfs (SFS) obs (OBS) efs (SFS Turbo)

**Table 13** PersistentVolumeStatus
Parameter	Type	Description
accessModes	Array of strings	Access mode of the PersistentVolume.
phase	String	PV status. Possible values: Available: The volume is not bound to any PVC. Bound: The PV has been bound to a PVC. Released: The PVC bound to the PV has been deleted, but the PV has not been made available again for a new claim in the cluster. Failed: Automatic reclaim of the volume has failed.

Request Example

Specifying an EVS volume ID and creating a PersistentVolume:

{
  "apiVersion" : "v1",
  "kind" : "PersistentVolume",
  "metadata" : {
    "labels" : {
      "name" : "pv-test"
    },
    "name" : "pv-test"
  },
  "spec" : {
    "accessModes" : [ "ReadWriteMany" ],
    "flexVolume" : {
      "driver" : "huawei.com/fuxivol",
      "fsType" : "ext4",
      "options" : {
        "fsType" : "ext4",
        "kubernetes.io/namespace" : "default",
        "region" : "southchina",
        "volumeID" : "76e01b29-08b9-11e8-9ca5-1051722006ec",
        "storageType" : "bs"
      }
    },
    "persistentVolumeReclaimPolicy" : "Delete"
  }
}

{
  "apiVersion" : "v1",
  "kind" : "PersistentVolume",
  "metadata" : {
    "labels" : {
      "name" : "pv-test"
    },
    "name" : "pv-test"
  },
  "spec" : {
    "accessModes" : [ "ReadWriteMany" ],
    "flexVolume" : {
      "driver" : "huawei.com/fuxivol",
      "fsType" : "ext4",
      "options" : {
        "fsType" : "ext4",
        "region" : "southchina",
        "volumeID" : "76e01b29-08b9-11e8-9ca5-1051722006ec",
        "storageType" : "bs"
      }
    },
    "persistentVolumeReclaimPolicy" : "Delete"
  }
}

Example Response

Status code: 201

The job for creating a PersistentVolume is successfully delivered.

{
  "kind" : "PersistentVolume",
  "apiVersion" : "v1",
  "metadata" : {
    "name" : "pv-test",
    "namespace" : "default",
    "selfLink" : "/api/v1/namespaces/default/persistentvolumes/pv-test",
    "uid" : "e174188f-ff21-11e7-855b-fa163eaf5675",
    "resourceVersion" : "174229",
    "creationTimestamp" : "2018-01-22T03:11:03Z",
    "labels" : {
      "name" : "pv-test"
    },
    "enable" : true
  },
  "spec" : {
    "capacity" : {
      "storage" : "1Gi"
    },
    "accessModes" : [ "ReadWriteMany" ],
    "flexVolume" : {
      "driver" : "huawei.com/fuxivol",
      "fsType" : "ext4",
      "options" : {
        "fsType" : "ext4",
        "kubernetes.io/namespace" : "default",
        "volumeID" : "0781b22f-4d89-4e9c-b026-80e545cea16c"
      }
    },
    "persistentVolumeReclaimPolicy" : "Delete"
  },
  "status" : {
    "phase" : "Pending"
  }
}

Status Code

Status Code	Description
201	The job for creating a PersistentVolume is successfully delivered.

Error Codes

For details, see Error Codes.

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