Creating an Instance
Function
This API is used to create an instance, and pay-per-use and yearly/monthly billing modes are supported.
Calling Method
For details, see Calling APIs.
URI
POST /v2/{engine}/{project_id}/instances
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
engine |
Yes |
String |
Message engine. |
project_id |
Yes |
String |
Project ID. For details, see Obtaining a Project ID. |
Request Parameters
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
name |
Yes |
String |
Instance name. An instance name can contain 4 to 64 characters. Only letters, digits, underscores (_), and hyphens (-) are allowed. |
description |
No |
String |
Description of an instance. The description supports up to 1024 characters.
NOTE:
The backslash () and quotation mark (") are special characters for JSON messages. When using these characters in a parameter value, add the escape character () before the characters, for example, \ and ". |
engine |
Yes |
String |
Message engine. Value: reliability. |
engine_version |
Yes |
String |
Version of the message engine. The value can be 4.8.0. |
storage_space |
Yes |
Integer |
Storage space. |
vpc_id |
Yes |
String |
VPC ID. To obtain it, log in to the VPC console and view the VPC ID on the VPC details page. |
subnet_id |
Yes |
String |
Subnet information. To obtain it, log in to VPC console and click the target subnet on the Subnets page. You can view the network ID on the displayed page. |
security_group_id |
Yes |
String |
ID of the security group to which the instance belongs. To obtain it, log in to the VPC console and view the security group ID on the security group details page. |
available_zones |
Yes |
Array of strings |
ID of the AZ where instance brokers reside and which has available resources. Obtain the AZ ID by referring to Listing AZ Information. The parameter value cannot be empty or null. Check whether resources exist in the AZs. A RocketMQ instance can be deployed in 1 AZ or at least 3 AZs. When specifying AZs for brokers, use commas (,) to separate multiple AZs. |
product_id |
Yes |
String |
RocketMQ instance specifications.
|
ssl_enable |
No |
Boolean |
Whether to enable SSL encryption for access.
|
storage_spec_code |
Yes |
String |
Storage I/O specification.
|
enterprise_project_id |
No |
String |
Enterprise project ID. This parameter is mandatory for an enterprise project account. |
enable_acl |
No |
Boolean |
Whether to enable access control. |
ipv6_enable |
No |
Boolean |
Whether to support IPv6.
|
enable_publicip |
No |
Boolean |
Whether to enable public access. By default, public access is disabled.
|
publicip_id |
No |
String |
ID of the EIP bound to the instance. Use commas (,) to separate multiple EIP IDs. This parameter is mandatory if public access is enabled (that is, enable_publicip is set to true). |
broker_num |
Yes |
Integer |
Number of brokers. |
bss_param |
No |
BssParam object |
Parameter related to the yearly/monthly billing mode. If this parameter is left blank, the billing mode is pay-per-use by default. If this parameter is not left blank, the billing mode is yearly/monthly. |
Parameter |
Mandatory |
Type |
Description |
---|---|---|---|
is_auto_renew |
No |
Boolean |
Whether auto renewal is enabled. Options:
By default, auto renewal is disabled. |
charging_mode |
No |
String |
Billing mode. This parameter specifies a payment mode. Options:
The default value is postPaid. |
is_auto_pay |
No |
Boolean |
Specifies whether the order is automatically or manually paid. Options:
The default payment mode is manual. |
period_type |
No |
String |
Subscription period type. Options:
**This parameter is valid and mandatory only when chargingMode is set to prePaid. ** |
period_num |
No |
Integer |
Subscribed periods. Options:
**This parameter is valid and mandatory only when chargingMode is set to prePaid. ** |
Response Parameters
Status code: 200
Parameter |
Type |
Description |
---|---|---|
instance_id |
String |
Instance ID. |
Example Requests
Creating a pay-per-use RocketMQ instance with the 4 vCPUs | 8 GB x 1 specifications and 600 GB storage space
POST https://{endpoint}/v2/reliability/{project_id}/instances { "name" : "reliability-1751840557", "description" : "", "engine" : "reliability", "engine_version" : "4.8.0", "storage_space" : 600, "vpc_id" : "3db8490c-4d6d-4d8f-8d3f-047b0de4c5cf", "subnet_id" : "0a0f1fcb-f019-458d-b9e5-301867394d50", "security_group_id" : "23c5977f-ff33-4b95-a73e-08d8a0bc4e6c", "available_zones" : [ "9f1c5806706d4c1fb0eb72f0a9b18c77" ], "product_id" : "c6.4u8g.cluster", "enterprise_project_id" : "0", "ssl_enable" : false, "storage_spec_code" : "dms.physical.storage.ultra.v2", "ipv6_enable" : false, "enable_publicip" : false, "publicip_id" : "", "broker_num" : 1 }
Example Responses
Status code: 200
Instance created successfully.
{ "instance_id" : "8959ab1c-7n1a-yyb1-a05t-93dfc361b32d" }
SDK Sample Code
The SDK sample code is as follows.
Creating a pay-per-use RocketMQ instance with the 4 vCPUs | 8 GB x 1 specifications and 600 GB storage space
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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.rocketmq.v2.region.RocketMQRegion; import com.huaweicloud.sdk.rocketmq.v2.*; import com.huaweicloud.sdk.rocketmq.v2.model.*; import java.util.List; import java.util.ArrayList; public class CreateInstanceByEngineSolution { 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); RocketMQClient client = RocketMQClient.newBuilder() .withCredential(auth) .withRegion(RocketMQRegion.valueOf("<YOUR REGION>")) .build(); CreateInstanceByEngineRequest request = new CreateInstanceByEngineRequest(); request.withEngine(CreateInstanceByEngineRequest.EngineEnum.fromValue("{engine}")); CreateInstanceByEngineReq body = new CreateInstanceByEngineReq(); List<String> listbodyAvailableZones = new ArrayList<>(); listbodyAvailableZones.add("9f1c5806706d4c1fb0eb72f0a9b18c77"); body.withBrokerNum(1); body.withPublicipId(""); body.withEnablePublicip(false); body.withIpv6Enable(false); body.withEnterpriseProjectId("0"); body.withStorageSpecCode(CreateInstanceByEngineReq.StorageSpecCodeEnum.fromValue("dms.physical.storage.ultra.v2")); body.withSslEnable(false); body.withProductId(CreateInstanceByEngineReq.ProductIdEnum.fromValue("c6.4u8g.cluster")); body.withAvailableZones(listbodyAvailableZones); body.withSecurityGroupId("23c5977f-ff33-4b95-a73e-08d8a0bc4e6c"); body.withSubnetId("0a0f1fcb-f019-458d-b9e5-301867394d50"); body.withVpcId("3db8490c-4d6d-4d8f-8d3f-047b0de4c5cf"); body.withStorageSpace(600); body.withEngineVersion(CreateInstanceByEngineReq.EngineVersionEnum.fromValue("4.8.0")); body.withEngine(CreateInstanceByEngineReq.EngineEnum.fromValue("reliability")); body.withDescription(""); body.withName("reliability-1751840557"); request.withBody(body); try { CreateInstanceByEngineResponse response = client.createInstanceByEngine(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()); } } } |
Creating a pay-per-use RocketMQ instance with the 4 vCPUs | 8 GB x 1 specifications and 600 GB storage space
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# coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkrocketmq.v2.region.rocketmq_region import RocketMQRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkrocketmq.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 = RocketMQClient.new_builder() \ .with_credentials(credentials) \ .with_region(RocketMQRegion.value_of("<YOUR REGION>")) \ .build() try: request = CreateInstanceByEngineRequest() request.engine = "{engine}" listAvailableZonesbody = [ "9f1c5806706d4c1fb0eb72f0a9b18c77" ] request.body = CreateInstanceByEngineReq( broker_num=1, publicip_id="", enable_publicip=False, ipv6_enable=False, enterprise_project_id="0", storage_spec_code="dms.physical.storage.ultra.v2", ssl_enable=False, product_id="c6.4u8g.cluster", available_zones=listAvailableZonesbody, security_group_id="23c5977f-ff33-4b95-a73e-08d8a0bc4e6c", subnet_id="0a0f1fcb-f019-458d-b9e5-301867394d50", vpc_id="3db8490c-4d6d-4d8f-8d3f-047b0de4c5cf", storage_space=600, engine_version="4.8.0", engine="reliability", description="", name="reliability-1751840557" ) response = client.create_instance_by_engine(request) print(response) except exceptions.ClientRequestException as e: print(e.status_code) print(e.request_id) print(e.error_code) print(e.error_msg) |
Creating a pay-per-use RocketMQ instance with the 4 vCPUs | 8 GB x 1 specifications and 600 GB storage space
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package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" rocketmq "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/rocketmq/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 := rocketmq.NewRocketMQClient( rocketmq.RocketMQClientBuilder(). WithRegion(region.ValueOf("<YOUR REGION>")). WithCredential(auth). Build()) request := &model.CreateInstanceByEngineRequest{} request.Engine = model.GetCreateInstanceByEngineRequestEngineEnum().ENGINE var listAvailableZonesbody = []string{ "9f1c5806706d4c1fb0eb72f0a9b18c77", } publicipIdCreateInstanceByEngineReq:= "" enablePublicipCreateInstanceByEngineReq:= false ipv6EnableCreateInstanceByEngineReq:= false enterpriseProjectIdCreateInstanceByEngineReq:= "0" sslEnableCreateInstanceByEngineReq:= false descriptionCreateInstanceByEngineReq:= "" request.Body = &model.CreateInstanceByEngineReq{ BrokerNum: int32(1), PublicipId: &publicipIdCreateInstanceByEngineReq, EnablePublicip: &enablePublicipCreateInstanceByEngineReq, Ipv6Enable: &ipv6EnableCreateInstanceByEngineReq, EnterpriseProjectId: &enterpriseProjectIdCreateInstanceByEngineReq, StorageSpecCode: model.GetCreateInstanceByEngineReqStorageSpecCodeEnum().DMS_PHYSICAL_STORAGE_ULTRA, SslEnable: &sslEnableCreateInstanceByEngineReq, ProductId: model.GetCreateInstanceByEngineReqProductIdEnum().C6_4U8G_CLUSTER, AvailableZones: listAvailableZonesbody, SecurityGroupId: "23c5977f-ff33-4b95-a73e-08d8a0bc4e6c", SubnetId: "0a0f1fcb-f019-458d-b9e5-301867394d50", VpcId: "3db8490c-4d6d-4d8f-8d3f-047b0de4c5cf", StorageSpace: int32(600), EngineVersion: model.GetCreateInstanceByEngineReqEngineVersionEnum().E_4_8_0, Engine: model.GetCreateInstanceByEngineReqEngineEnum().RELIABILITY, Description: &descriptionCreateInstanceByEngineReq, Name: "reliability-1751840557", } response, err := client.CreateInstanceByEngine(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } |
For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.
Status Codes
Status Code |
Description |
---|---|
200 |
Instance created successfully. |
Error Codes
See Error Codes.
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