Updated on 2025-11-18 GMT+08:00

Changing Specifications

Function

This API is used to change specifications.

Calling Method

For details, see Calling APIs.

URI

POST /v1/{project_id}/change-resource

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain the project ID, see Project ID and Account ID.

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. This parameter is mandatory when token authentication is used. You can obtain it from the value of X-Subject-Token in the response message header returned by the "Obtaining a User Token" API of the IAM service.

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

change_mode

Yes

Integer

Specifies the specification change type. The value can be 10 (upgrading specifications), 30 (degrading specifications), 40 (renewal), 60 (expanding specifications), or 70 (switching the OS).

resource_id

Yes

String

Resource ID

resource_spec_code

Yes

String

Resource specifications code, which can be obtained from Obtaining the Instance List.

product_id

No

String

Product ID, which can be obtained from Obtaining the Instance List.

promotion_info

No

String

Promotion information, which can be obtained from Obtaining the Instance List.

Response Parameters

Status code: 200

The request for changing specifications is successful.

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

error_msg

String

Returned error information.

error_code

String

Returned error code.

Status code: 500

Table 5 Response body parameters

Parameter

Type

Description

error_msg

String

Returned error information.

error_code

String

Returned error code.

Example Requests

{
  "resource_id" : "2b6c183a606f4983b503b6427ba5db30",
  "product_id" : "",
  "resource_spec_code" : "dayu.experience",
  "change_mode" : 30
}

Example Responses

Status code: 200

The request for changing specifications is successful.

{
  "message" : null,
  "is_success" : true
}

Status code: 400

Bad request.

{
  "error_code" : "DAYU.4402",
  "error_msg" : "The operation failed, detail msg {0}."
}

Status code: 500

Internal server error.

{
  "error_code" : "DAYU.3531",
  "error_msg" : "Internal server error: {0}"
}

SDK Sample Code

The SDK sample code is as follows.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.dataartsstudio.v1.region.DataArtsStudioRegion;
import com.huaweicloud.sdk.dataartsstudio.v1.*;
import com.huaweicloud.sdk.dataartsstudio.v1.model.*;


public class ChangeResourceSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        DataArtsStudioClient client = DataArtsStudioClient.newBuilder()
                .withCredential(auth)
                .withRegion(DataArtsStudioRegion.valueOf("<YOUR REGION>"))
                .build();
        ChangeResourceRequest request = new ChangeResourceRequest();
        ApigChangeResourceReq body = new ApigChangeResourceReq();
        request.withBody(body);
        try {
            ChangeResourceResponse response = client.changeResource(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}
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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdataartsstudio.v1.region.dataartsstudio_region import DataArtsStudioRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdataartsstudio.v1 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = DataArtsStudioClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DataArtsStudioRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ChangeResourceRequest()
        request.body = ApigChangeResourceReq(
        )
        response = client.change_resource(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dataartsstudio "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dataartsstudio/v1/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := dataartsstudio.NewDataArtsStudioClient(
        dataartsstudio.DataArtsStudioClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ChangeResourceRequest{}
	request.Body = &model.ApigChangeResourceReq{
	}
	response, err := client.ChangeResource(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

The request for changing specifications is successful.

400

Bad request.

500

Internal server error.