Updated on 2024-04-18 GMT+08:00

Obtaining the Available ELB List

Function

This API is used to query the list of ELBs that can be bound to a cluster.

Call Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/clusters/{cluster_id}/elbs
Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain the ID, see Obtaining Project ID.

cluster_id

Yes

String

Cluster ID. For details about how to obtain the ID, see Obtaining the Cluster ID.

Request Parameters

None

Response Parameters

Status code: 200

Table 2 Response body parameters

Parameter

Type

Description

elbs

Array of ClusterElbInfo objects

ELB list

Table 3 ClusterElbInfo

Parameter

Type

Description

id

String

ELB ID

cluster_id

String

Cluster ID

name

String

ELB name

description

String

ELB description

vip_address

String

ELB address

vip_subnet_id

String

Subnet ID

tenant_id

String

Tenant ID

type

String

ELB type, which can be:

  • Internal: dedicated
  • External: shared

admin_state_up

Boolean

ELB status, which can be:

  • ACTIVE: in use
  • PENDING_CREATE: being created
  • ERROR: Another forwarding policy of the same listener has the same forwarding rule.

bandwidth

Integer

Binding status:

  • 0: not bound
  • 1: bound

vpc_id

String

VPC ID

Example Request

GET https://{Endpoint}/v2/4cf650fd46704908aa071b4df2453e1e/clusters/194408fa-9d41-435c-a140-91edcf5fe519/elbs

Example Response

Status code: 200

ELB list

{
  "elbs" : [ {
    "id" : "1e6e0b66-6223-4523-bfd9-033c88b4ce9f",
    "name" : "loadbalancer5",
    "description" : "simple lb",
    "bandwidth" : 0,
    "vip_address" : "192.168.0.222",
    "admin_state_up" : true,
    "vpc_id" : "c9f1171e-dc90-4ae9-bf22-f9736983ce2d"
  } ]
}

SDK Sample Code

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


public class ListElbsSolution {

    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");

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

        DwsClient client = DwsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DwsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListElbsRequest request = new ListElbsRequest();
        try {
            ListElbsResponse response = client.listElbs(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

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.getenv("CLOUD_SDK_AK")
    sk = os.getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

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

    try:
        request = ListElbsRequest()
        response = client.list_elbs(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")

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

    client := dws.NewDwsClient(
        dws.DwsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

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

For more SDK sample codes of programming languages, visit API Explorer and click the Sample Code tab. Example codes can be automatically generated.

Status Code

Status Code

Description

200

The ELB list is obtained successfully.

400

Request error.

401

Authentication failed.

403

You do not have required permissions.

404

No resources found.

500

Internal server error.

503

The service was unavailable.