文档首页/ 弹性负载均衡 ELB/ API参考/ API(V3)/ 特性配置/ 查询指定ELB实例的特性配置
更新时间:2025-08-26 GMT+08:00
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查询指定ELB实例的特性配置

功能介绍

查询指定ELB实例的特性配置情况。

调用方法

请参见如何调用API

URI

GET /v3/{project_id}/elb/loadbalancers/{loadbalancer_id}/features

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。获取方式请参见获取项目ID

约束限制:不涉及

取值范围:长度为32个字符,由小写字母和数字组成。

默认取值:不涉及

loadbalancer_id

String

参数解释:负载均衡器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

features

Array of LoadbalancerFeature objects

参数解释:ELB实例特性信息列表。

request_id

String

参数解释:请求ID。

取值范围:由数字、小写字母和中划线(-)组成的字符串,自动生成。

表3 LoadbalancerFeature

参数

参数类型

描述

feature

String

参数解释:特性名称。

取值范围:不涉及

type

String

参数解释:特性值(value字段)的类型,如:INT,表示整型。

取值范围:不涉及

value

String

参数解释:特性值。如开关类型的特性取值true/false,表示特性开启关闭;配额类型的特性取值整数,表示限制配额。

取值范围:不涉及

请求示例

https://elb.cn-southwest-242.myhuaweicloud.com/v3/0c1503d710984bad92306faea3654dfd/elb/loadbalancers/6c9ddefb-c0c2-40fb-9505-0b4c81fac234/features

响应示例

状态码:200

查询成功

{
  "features" : [ {
    "feature" : "update_elastic_flavor",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "tcpssl",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "dnat_forward_mode_enable",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "upgrade_l4_resource_package",
    "value" : "false",
    "type" : "BOOL"
  }, {
    "feature" : "upgrade_l7_resource_package",
    "value" : "false",
    "type" : "BOOL"
  }, {
    "feature" : "l7policy_cors",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "l7policy_traffic_limit",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "listener_qos",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "l7_traffic_mirror",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "traffic_mirror_enable",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "nat64_enable",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "multi_eip",
    "value" : "true",
    "type" : "BOOL"
  }, {
    "feature" : "multi_vip",
    "value" : "true",
    "type" : "BOOL"
  } ],
  "request_id" : "d8e8d908-1f54-46da-b254-45203bc1115d"
}

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.elb.v3.region.ElbRegion;
import com.huaweicloud.sdk.elb.v3.*;
import com.huaweicloud.sdk.elb.v3.model.*;


public class ListLoadbalancerFeatureSolution {

    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);

        ElbClient client = ElbClient.newBuilder()
                .withCredential(auth)
                .withRegion(ElbRegion.valueOf("<YOUR REGION>"))
                .build();
        ListLoadbalancerFeatureRequest request = new ListLoadbalancerFeatureRequest();
        request.withLoadbalancerId("{loadbalancer_id}");
        try {
            ListLoadbalancerFeatureResponse response = client.listLoadbalancerFeature(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 huaweicloudsdkelb.v3.region.elb_region import ElbRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkelb.v3 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 = ElbClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(ElbRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListLoadbalancerFeatureRequest()
        request.loadbalancer_id = "{loadbalancer_id}"
        response = client.list_loadbalancer_feature(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"
    elb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/elb/v3/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 := elb.NewElbClient(
        elb.ElbClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListLoadbalancerFeatureRequest{}
	request.LoadbalancerId = "{loadbalancer_id}"
	response, err := client.ListLoadbalancerFeature(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

查询成功

错误码

请参见错误码

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