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

Deleting a Node

Function

This API is used to delete a node.

Call Method

For details, see Calling APIs.

URI

POST /v2/{project_id}/clusters/{cluster_id}/nodes/delete
Table 1 URI parameters

Parameter

Mandatory

Type

Description

cluster_id

Yes

String

ID of the cluster whose node is to be deleted. For details about how to obtain the ID, see Obtaining the Cluster ID.

project_id

Yes

String

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

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

node_list

Yes

Array of strings

List of node IDs in a logical cluster.

operate_type

Yes

String

Operation type, which can be clear or delete.

Response Parameters

Status code: 202

Table 3 Response body parameters

Parameter

Type

Description

error_code

String

Error code

error_msg

String

Error message

Example Request

POST https://{Endpoint}/v2/89cd04f168b84af6be287f71730fdb4b/clusters/4ca46bf1-5c61-48ff-b4f3-0ad4e5e3ba90/nodes/delete

{
  "node_list" : [ "16413746-258e-4a3c-bea9-8496fdbefde3" ],
  "operate_type" : "delete"
}

Example Response

Status code: 202

The cluster node is deleted.

{
  "error_code" : "DWS.0000",
  "error_msg" : null
}

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.*;

import java.util.List;
import java.util.ArrayList;

public class DeleteClusterNodesSolution {

    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();
        DeleteClusterNodesRequest request = new DeleteClusterNodesRequest();
        DeleteClusterNodesRequestBody body = new DeleteClusterNodesRequestBody();
        List listbodyNodeList = new ArrayList<>();
        listbodyNodeList.add("16413746-258e-4a3c-bea9-8496fdbefde3");
        body.withOperateType("delete");
        body.withNodeList(listbodyNodeList);
        request.withBody(body);
        try {
            DeleteClusterNodesResponse response = client.deleteClusterNodes(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 = DeleteClusterNodesRequest()
        listNodeListbody = [
            "16413746-258e-4a3c-bea9-8496fdbefde3"
        ]
        request.body = DeleteClusterNodesRequestBody(
            operate_type="delete",
            node_list=listNodeListbody
        )
        response = client.delete_cluster_nodes(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.DeleteClusterNodesRequest{}
	var listNodeListbody = []string{
        "16413746-258e-4a3c-bea9-8496fdbefde3",
    }
	request.Body = &model.DeleteClusterNodesRequestBody{
		OperateType: "delete",
		NodeList: listNodeListbody,
	}
	response, err := client.DeleteClusterNodes(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

202

The cluster node is deleted.

400

Request error.

401

Authentication failed.

403

You do not have required permissions.

404

No resources found.

500

Internal server error.

503

Service unavailable.