更新时间:2025-08-01 GMT+08:00
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创建逻辑集群

功能介绍

创建逻辑集群。

调用方法

请参见如何调用API

URI

POST /v2/{project_id}/clusters/{cluster_id}/logical-clusters

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

logical_cluster

CreateLogicalClusterInfo object

参数解释

创建逻辑集群信息。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

表3 CreateLogicalClusterInfo

参数

是否必选

参数类型

描述

logical_cluster_name

String

参数解释

逻辑集群名称。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

cluster_rings

Array of ClusterRing objects

参数解释

逻辑集群环信息。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

表4 ClusterRing

参数

是否必选

参数类型

描述

ring_hosts

Array of RingHost objects

参数解释

集群主机信息。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

un_shrinkable_cluster_ring

Boolean

参数解释

是否可以缩容。

约束限制

不涉及。

取值范围

false|true。

默认取值

不涉及。

表5 RingHost

参数

是否必选

参数类型

描述

host_name

String

参数解释

主机名称。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

back_ip

String

参数解释

后端IP地址。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

cpu_cores

Integer

参数解释

主机CPU核数。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

memory

Double

参数解释

主机内存。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

disk_size

Double

参数解释

主机磁盘大小。

约束限制

不涉及。

取值范围

不涉及。

默认取值

不涉及。

响应参数

状态码:200

表6 响应Body参数

参数

参数类型

描述

error_code

String

参数解释

错误码。

取值范围

不涉及。

error_msg

String

参数解释

错误信息。

取值范围

不涉及。

请求示例

创建逻辑集群。

POST https://{Endpoint}/v2/9b06d044ea4f49f1a58b2bed2b0084bd/clusters/9b7ff56b-47b3-4d00-a1fd-4c023d34404b/logical-clusters

{
  "logical_cluster" : {
    "logical_cluster_name" : "v3_logical",
    "cluster_rings" : [ {
      "ring_hosts" : [ {
        "host_name" : "host-172-16-20-246",
        "back_ip" : "172.16.73.90",
        "cpu_cores" : 8,
        "memory" : 32.0,
        "disk_size" : 800.0
      }, {
        "host_name" : "host-172-16-4-26",
        "back_ip" : "172.16.123.5",
        "cpu_cores" : 8,
        "memory" : 32.0,
        "disk_size" : 800.0
      }, {
        "host_name" : "host-172-16-4-26",
        "back_ip" : "172.16.123.5",
        "cpu_cores" : 8,
        "memory" : 32.0,
        "disk_size" : 800.0
      } ]
    } ]
  }
}

响应示例

状态码:200

创建逻辑集群请求提交成功。

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

SDK代码示例

SDK代码示例如下。

创建逻辑集群。

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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 CreateLogicalClusterSolution {

    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();
        CreateLogicalClusterRequest request = new CreateLogicalClusterRequest();
        request.withClusterId("{cluster_id}");
        CreateLogicalClusterRequestBody body = new CreateLogicalClusterRequestBody();
        List<RingHost> listClusterRingsRingHosts = new ArrayList<>();
        listClusterRingsRingHosts.add(
            new RingHost()
                .withHostName("host-172-16-20-246")
                .withBackIp("172.16.73.90")
                .withCpuCores(8)
                .withMemory((double)32.0)
                .withDiskSize((double)800.0)
        );
        listClusterRingsRingHosts.add(
            new RingHost()
                .withHostName("host-172-16-4-26")
                .withBackIp("172.16.123.5")
                .withCpuCores(8)
                .withMemory((double)32.0)
                .withDiskSize((double)800.0)
        );
        listClusterRingsRingHosts.add(
            new RingHost()
                .withHostName("host-172-16-4-26")
                .withBackIp("172.16.123.5")
                .withCpuCores(8)
                .withMemory((double)32.0)
                .withDiskSize((double)800.0)
        );
        List<ClusterRing> listLogicalClusterClusterRings = new ArrayList<>();
        listLogicalClusterClusterRings.add(
            new ClusterRing()
                .withRingHosts(listClusterRingsRingHosts)
        );
        CreateLogicalClusterInfo logicalClusterbody = new CreateLogicalClusterInfo();
        logicalClusterbody.withLogicalClusterName("v3_logical")
            .withClusterRings(listLogicalClusterClusterRings);
        body.withLogicalCluster(logicalClusterbody);
        request.withBody(body);
        try {
            CreateLogicalClusterResponse response = client.createLogicalCluster(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());
        }
    }
}

创建逻辑集群。

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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 = CreateLogicalClusterRequest()
        request.cluster_id = "{cluster_id}"
        listRingHostsClusterRings = [
            RingHost(
                host_name="host-172-16-20-246",
                back_ip="172.16.73.90",
                cpu_cores=8,
                memory=32.0,
                disk_size=800.0
            ),
            RingHost(
                host_name="host-172-16-4-26",
                back_ip="172.16.123.5",
                cpu_cores=8,
                memory=32.0,
                disk_size=800.0
            ),
            RingHost(
                host_name="host-172-16-4-26",
                back_ip="172.16.123.5",
                cpu_cores=8,
                memory=32.0,
                disk_size=800.0
            )
        ]
        listClusterRingsLogicalCluster = [
            ClusterRing(
                ring_hosts=listRingHostsClusterRings
            )
        ]
        logicalClusterbody = CreateLogicalClusterInfo(
            logical_cluster_name="v3_logical",
            cluster_rings=listClusterRingsLogicalCluster
        )
        request.body = CreateLogicalClusterRequestBody(
            logical_cluster=logicalClusterbody
        )
        response = client.create_logical_cluster(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

创建逻辑集群。

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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.CreateLogicalClusterRequest{}
	request.ClusterId = "{cluster_id}"
	var listRingHostsClusterRings = []model.RingHost{
        {
            HostName: "host-172-16-20-246",
            BackIp: "172.16.73.90",
            CpuCores: int32(8),
            Memory: float64(32.0),
            DiskSize: float64(800.0),
        },
        {
            HostName: "host-172-16-4-26",
            BackIp: "172.16.123.5",
            CpuCores: int32(8),
            Memory: float64(32.0),
            DiskSize: float64(800.0),
        },
        {
            HostName: "host-172-16-4-26",
            BackIp: "172.16.123.5",
            CpuCores: int32(8),
            Memory: float64(32.0),
            DiskSize: float64(800.0),
        },
    }
	var listClusterRingsLogicalCluster = []model.ClusterRing{
        {
            RingHosts: listRingHostsClusterRings,
        },
    }
	logicalClusterbody := &model.CreateLogicalClusterInfo{
		LogicalClusterName: "v3_logical",
		ClusterRings: listClusterRingsLogicalCluster,
	}
	request.Body = &model.CreateLogicalClusterRequestBody{
		LogicalCluster: logicalClusterbody,
	}
	response, err := client.CreateLogicalCluster(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

创建逻辑集群请求提交成功。

400

请求错误。

401

鉴权失败。

403

没有操作权限。

500

服务内部错误。

503

服务不可用。

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