You can call this operation to modify the description of an Alibaba Cloud HPC (HPC) cluster.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes ModifyHpcClusterAttribute

The operation that you want to perform. Set the value to ModifyHpcClusterAttribute.
HpcClusterId String Yes hpc-b8bq705cvx1****

The ID of the HPC cluster.
RegionId String Yes cn-hangzhou

The region ID of the HPC cluster. You can call the DescribeRegions operation to query the most recent region list.

ClientToken String No 123e4567-e89b-12d3-a456-426655440000

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The ClientToken value must contain only ASCII characters and cannot exceed 64 characters in length. For more information, see How to ensure idempotency.

Description String No testDescription

The description of the HPC cluster. The description must be 2 to 256 characters in length and cannot start with http:// or https://.

This parameter is empty by default.
Name String No testName

The name of the HPC cluster. The name must be 2 to 128 characters in length. It must start with a letter but cannot start with http:// or https://. It can contain letters, digits, underscores (_), and hyphens (-).

This parameter is empty by default.

Response parameters

Parameter Type Example Description
RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

The ID of the request.

Examples

Sample requests

https://ecs.aliyuncs.com/?Action=ModifyHpcClusterAttribute
&HpcClusterId=hpc-b8bq705cvx1****
&RegionId=cn-hangzhou
&<Common request parameters>

Sample success responses

XML format 

<ModifyHpcClusterAttributeResponse>
      <RequestId>04F0F334-1335-436C-A1D7-6C044FE73368</RequestId>
</ModifyHpcClusterAttributeResponse>

JSON format 

{
    "RequestId": "04F0F334-1335-436C-A1D7-6C044FE73368"
}

Error codes

HTTP status code Error code Error message Description
400 MissingParameter The input parameter RegionId that is mandatory for processing this request is not supplied. The error message returned because the RegionId parameter is not specified.
400 InvalidHpcClusterName.Malformed Specified hpc cluster name is not valid. The error message returned because the specified Name parameter is invalid.
400 InvalidHpcClusterDescription.Malformed The specified parameter Description is not valid. The error message returned because the specified Description parameter is invalid.
400 InvalidRegionId.NotFound The specified parameter "RegionId" is not valid. The error message returned because the specified RegionId parameter does not exist. Check whether the HPC cluster service is available in the region.
400 InvalidModifyInfo Modify info is invalid, name/description must not null at the same time The error message returned because the specified parameter is invalid. You must specify at least one of the Name and Description parameters.
400 HPC_CLUSTER_MODIFY_FAILED Modify failed, possibly this hpc cluster does not exist The error message returned because the specified HPC cluster failed to be modified. Check whether the HPC cluster exists.
400 Invalid.Parameter Invalid parameters The error message returned because the specified parameter is invalid.
400 HpcClusterNotExists The specified hpc cluster does not exist The error message returned because the specified HPC cluster does not exist.

For a list of error codes, visit the API Error Center.