更新时间:2025-07-23 GMT+08:00
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查询集群参数配置

功能介绍

查询集群所关联的参数组。

调用方法

请参见如何调用API

URI

GET /v1.0/{project_id}/clusters/{cluster_id}/configurations/{configuration_id}

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

不涉及。

取值范围

不涉及。

默认取值

不涉及。

configuration_id

String

参数解释

参数组ID。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

请求参数

响应参数

状态码:200

表2 响应Body参数

参数

参数类型

描述

configurations

Array of ConfigurationParameter objects

参数解释

集群使用的参数配置信息。

取值范围

不涉及。

表3 ConfigurationParameter

参数

参数类型

描述

name

String

参数解释

参数名称。

取值范围

不涉及。

values

Array of ConfigurationParameterUnit objects

参数解释

参数值。

取值范围

不涉及。

unit

String

参数解释

参数单位。

取值范围

不涉及。

type

String

参数解释

参数类型。

取值范围

包括boolean、string、integer、float、list。

readonly

Boolean

参数解释

是否只读。

取值范围

不涉及。

value_range

String

参数解释

参数值范围。

取值范围

不涉及。

restart_required

Boolean

参数解释

是否需要重启。

取值范围

不涉及。

description

String

参数解释

参数描述。

取值范围

不涉及。

表4 ConfigurationParameterUnit

参数

参数类型

描述

type

String

参数解释

参数类型。包括:cn、dn。

取值范围

cn、dn。

value

String

参数解释

参数值。

取值范围

不涉及。

default_value

String

参数解释

参数默认值。

取值范围

不涉及。

请求示例

GET https://{Endpoint}/v1.0/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/configurations/2846d355-cd2a-4239-ae54-a7aef0b7963d

响应示例

状态码:200

查询集群参数配置成功。

{
  "configurations" : [ {
    "name" : "enable_constraint_optimization",
    "values" : [ {
      "type" : "cn",
      "value" : "on",
      "default_value" : "on"
    }, {
      "type" : "dn",
      "value" : "on",
      "default_value" : "on"
    } ],
    "unit" : null,
    "type" : "boolean",
    "readonly" : false,
    "value_range" : "on|off",
    "restart_required" : false,
    "description" : "Specifies whether the informational constraint optimization execution plan can be used for an HDFS foreign table."
  } ]
}

SDK代码示例

SDK代码示例如下。

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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 ListClusterConfigurationsParameterSolution {

    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();
        ListClusterConfigurationsParameterRequest request = new ListClusterConfigurationsParameterRequest();
        request.withClusterId("{cluster_id}");
        request.withConfigurationId("{configuration_id}");
        try {
            ListClusterConfigurationsParameterResponse response = client.listClusterConfigurationsParameter(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 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 = ListClusterConfigurationsParameterRequest()
        request.cluster_id = "{cluster_id}"
        request.configuration_id = "{configuration_id}"
        response = client.list_cluster_configurations_parameter(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"
    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.ListClusterConfigurationsParameterRequest{}
	request.ClusterId = "{cluster_id}"
	request.ConfigurationId = "{configuration_id}"
	response, err := client.ListClusterConfigurationsParameter(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

查询集群参数配置成功。

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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