更新时间:2025-07-23 GMT+08:00
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创建数据源

功能介绍

该接口用于创建一个数据源。

调用方法

请参见如何调用API

URI

POST /v1.0/{project_id}/clusters/{cluster_id}/ext-data-sources

表1 路径参数

参数

是否必选

参数类型

描述

project_id

String

参数解释

项目ID。获取方法请参见获取项目ID

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

cluster_id

String

参数解释

集群ID。获取方法请参见获取集群ID

约束限制

必须是有效的dws集群ID。

取值范围

36位UUID。

默认取值

不涉及。

请求参数

表2 请求Body参数

参数

是否必选

参数类型

描述

data_source_id

String

参数解释

外部数据源ID。当数据源为MRS时为必选字段。

取值范围

不涉及。

type

String

参数解释

数据源类型。

取值范围

不涉及。

data_source_name

String

参数解释

外部数据源名称。

取值范围

仅可包含大小写字母、数字、下划线,1到64个字符。

user_name

String

参数解释

用户名。数据源类型为OBS时,传对应OBS委托名称。

取值范围

仅可包含大小写字母、数字、下划线,3到20个字符。

user_pwd

String

参数解释

密码。当数据源为MRS时为必选字段。

取值范围

不涉及。

description

String

参数解释

描述。

取值范围

除!<>'=&等特殊字符外的字符。长度256个字符以内。

reboot

Boolean

参数解释

是否重启集群。

取值范围

不涉及。

connect_info

String

参数解释

连接的数据库。当数据源为OBS时为必选字段。

取值范围

不涉及。

响应参数

状态码:200

表3 响应Body参数

参数

参数类型

描述

id

String

参数解释

数据源ID。

取值范围

不涉及。

job_id

String

参数解释

创建数据源任务ID。

取值范围

不涉及。

请求示例

创建名为source1的OBS数据源,用户名为“DWSAccessOBS”,连接gaussdb数据库。

POST https://{Endpoint} /v1.0/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/ext-data-sources

{
  "type" : "OBS",
  "data_source_name" : "source1",
  "user_name" : "DWSAccessOBS",
  "connect_info" : "gaussdb",
  "description" : "description"
}

响应示例

状态码:200

请求下发成功。

{
  "id" : "d303f19c-fbd1-4716-ae04-07d1ff358f22",
  "job_id" : "2c9081c88418ed420184197c8bc80001"
}

SDK代码示例

SDK代码示例如下。

创建名为source1的OBS数据源,用户名为“DWSAccessOBS”,连接gaussdb数据库。

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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.dws.v2.region.DwsRegion;
import com.huaweicloud.sdk.dws.v2.*;
import com.huaweicloud.sdk.dws.v2.model.*;


public class CreateDataSourceSolution {

    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);

        DwsClient client = DwsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DwsRegion.valueOf("<YOUR REGION>"))
                .build();
        CreateDataSourceRequest request = new CreateDataSourceRequest();
        request.withClusterId("{cluster_id}");
        ExtDataSourceReq body = new ExtDataSourceReq();
        body.withConnectInfo("gaussdb");
        body.withDescription("description");
        body.withUserName("DWSAccessOBS");
        body.withDataSourceName("source1");
        body.withType("OBS");
        request.withBody(body);
        try {
            CreateDataSourceResponse response = client.createDataSource(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());
        }
    }
}

创建名为source1的OBS数据源,用户名为“DWSAccessOBS”,连接gaussdb数据库。

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdws.v2.region.dws_region import DwsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdws.v2 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 = DwsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DwsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = CreateDataSourceRequest()
        request.cluster_id = "{cluster_id}"
        request.body = ExtDataSourceReq(
            connect_info="gaussdb",
            description="description",
            user_name="DWSAccessOBS",
            data_source_name="source1",
            type="OBS"
        )
        response = client.create_data_source(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

创建名为source1的OBS数据源,用户名为“DWSAccessOBS”,连接gaussdb数据库。

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dws "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dws/v2/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 := dws.NewDwsClient(
        dws.DwsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.CreateDataSourceRequest{}
	request.ClusterId = "{cluster_id}"
	connectInfoExtDataSourceReq:= "gaussdb"
	descriptionExtDataSourceReq:= "description"
	request.Body = &model.ExtDataSourceReq{
		ConnectInfo: &connectInfoExtDataSourceReq,
		Description: &descriptionExtDataSourceReq,
		UserName: "DWSAccessOBS",
		DataSourceName: "source1",
		Type: "OBS",
	}
	response, err := client.CreateDataSource(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

更多编程语言的SDK代码示例,请参见API Explorer的代码示例页签,可生成自动对应的SDK代码示例。

状态码

状态码

描述

200

请求下发成功。

400

请求错误。

401

鉴权失败。

403

没有操作权限。

404

找不到资源。

500

服务内部错误。

503

服务不可用。

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