Creating a Logical Cluster
Function
This API is used to create a logical cluster.
Call Method
For details, see Calling APIs.
URI
POST /v2/{project_id}/clusters/{cluster_id}/logical-clusters
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
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
logical_cluster |
Yes |
CreateLogicalClusterInfo object |
Information of the logical cluster. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
logical_cluster_name |
Yes |
String |
Name of a logical cluster |
cluster_rings |
Yes |
Array of ClusterRing objects |
Ring information of the logical cluster. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
ring_hosts |
Yes |
Array of RingHost objects |
Cluster host information |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
error_code |
String |
Error code |
error_msg |
String |
Error message |
Example Request
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 } ] } ] } }
Example Response
Status code: 200
The logical cluster is created.
{ "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 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"); ICredential auth = new BasicCredentials() .withAk(ak) .withSk(sk); DwsClient client = DwsClient.newBuilder() .withCredential(auth) .withRegion(DwsRegion.valueOf("<YOUR REGION>")) .build(); CreateLogicalClusterRequest request = new CreateLogicalClusterRequest(); 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()); } } } |
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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 = CreateLogicalClusterRequest() 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) |
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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.CreateLogicalClusterRequest{} 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) } } |
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 logical cluster is created. |
400 |
Request error. |
401 |
Authentication failed. |
403 |
You do not have required permissions. |
500 |
Internal server error. |
503 |
Service unavailable. |
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