Querying Product Information for Instance Specification Modification

Function

This API is used to query the product information for instance specification modification.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{engine}/{project_id}/instances/{instance_id}/extend

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
engine	Yes	String	Message engine, which is rocketmq.
project_id	Yes	String	Project ID. For details about how to obtain it, see Obtaining a Project ID.
instance_id	Yes	String	Instance ID.

**Table 2** Query Parameters
Parameter	Mandatory	Type	Description
type	No	String	Type of a product. advanced: DMS for RocketMQ

Request Parameters

None

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
total	Number	Total.
next_offset	Integer	Offset of the next page.
previous_offset	Integer	Offset of the previous page.
engine	String	Definition Message engine type. Range rocketmq: RocketMQ message engine. reliability: RocketMQ message engine alias.
versions	Array of strings	Versions supported by the message engine.
products	Array of RocketMQExtendProductInfoEntity objects	Product information for specification modification.

**Table 4** RocketMQExtendProductInfoEntity
Parameter	Type	Description
type	String	Definition Instance type. Range single: 4.8.0 single-node. cluster: 4.8.0 cluster single.basic: 5.x single-node basic edition. cluster.basic: 5.x cluster basic edition cluster.professional: 5.x cluster professional edition
product_id	String	Definition RocketMQ instance flavors. Range c6.4u8g.cluster.small: Max. 2,000 topics and 2,000 consumer groups per broker c6.4u8g.cluster: Max. 4,000 topics and 4,000 consumer groups per broker c6.8u16g.cluster: Max. 8,000 topics and 8,000 consumer groups per broker c6.12u24g.cluster: Max. 12,000 topics and 12,000 consumer groups per broker c6.16u32g.cluster: Max. 16,000 topics and 16,000 consumer groups per broker rocketmq.b1.large.1: RocketMQ 5.x basic edition single-node flavor, instance TPS 500 rocketmq.b2.large.4: RocketMQ 5.x basic edition cluster flavor, instance TPS 2,000 rocketmq.b2.large.8: RocketMQ 5.x basic edition cluster flavor, instance TPS 4,000 rocketmq.b2.large.12: RocketMQ 5.x basic edition cluster flavor, instance TPS 6,000 rocketmq.p1.large.1: RocketMQ 5.x professional edition single-node flavor, instance TPS 500 rocketmq.p2.large.8: RocketMQ 5.x professional edition cluster flavor, instance TPS 4,000 rocketmq.p2.large.12: RocketMQ 5.x professional edition cluster flavor, instance TPS 6,000 rocketmq.p2.large.20: RocketMQ 5.x professional edition cluster flavor, instance TPS 10,000 rocketmq.p2.large.40: RocketMQ 5.x professional edition cluster flavor, instance TPS 20,000 rocketmq.p2.large.100: RocketMQ 5.x professional edition cluster flavor, instance TPS 50,000 rocketmq.p2.large.150: RocketMQ 5.x professional edition cluster flavor, instance TPS 75,000 rocketmq.p2.large.200: RocketMQ 5.x professional edition cluster flavor, instance TPS 100,000 rocketmq.p2.large.300: RocketMQ 5.x professional edition cluster flavor, instance TPS 150,000
ecs_flavor_id	String	ECS flavor used by the product.
billing_code	String	Definition Billing mode. Range dms.platinum.c6: Huawei Cloud billing mode. dms.platinum.c6.dec: Dedicated cloud billing mode.
arch_types	Array of strings	Supported CPU architectures.
charging_mode	Array of strings	Supported billing modes.
ios	Array of RocketMQExtendProductIosEntity objects	Disk I/O object information.
properties	RocketMQExtendProductPropertiesEntity object	Key-value pair of a feature.
available_zones	Array of strings	AZs where there are available resources.
unavailable_zones	Array of strings	AZs where resources are sold out.
support_features	Array of RocketMQProductSupportFeaturesEntity objects	Supported feature list.
qingtian_incompatible	Boolean	Definition Whether the instance is a QingTian one. Range true: Yes false: No

**Table 5** RocketMQExtendProductIosEntity
Parameter	Type	Description
io_spec	String	Storage I/O specification.
available_zones	Array of strings	AZs where there are available resources.
type	String	Definition I/O type. Range evs: Huawei Cloud disk type. dss: Dedicated cloud disk type.
unavailable_zones	Array of strings	AZs where resources are sold out.

**Table 6** RocketMQExtendProductPropertiesEntity
Parameter	Type	Description
max_broker	String	Maximum number of brokers (displayed only for RocketMQ 4.8.0).
max_topic_per_broker	String	Maximum number of topics that can be created on each node (displayed only for RocketMQ 4.8.0).
max_consumer_per_broker	String	Maximum number of consumers on each node (displayed only for RocketMQ 4.8.0).
min_broker	String	Minimum number of brokers (displayed only for RocketMQ 4.8.0).
engine_versions	String	Definition Message engine version. Range 4.8.0 5.x
max_storage_per_node	String	Maximum storage space of each broker. Unit: GB.
min_storage_per_node	String	Minimum storage space of each broker. The unit is GB.
product_alias	String	Alias of product_id.
feature	String	Feature switch of the specification. (This field is available only for RocketMQ 5.x instances.)
max_topic	String	Maximum number of topics in an instance (displayed only for RocketMQ 5.x).
broker_num	String	Number of brokers (displayed only for RocketMQ 5.x).
core	String	Number of billing cores in an instance (displayed only for RocketMQ 5.x).
max_consumer	String	Maximum number of consumers in an instance (displayed only for RocketMQ 5.x).
rcu	String	Traffic unit, rcu × max_tpc_per_rcu = Maximum flavor TPS (displayed only for RocketMQ 5.x).
max_storage	String	Maximum storage space (displayed only for RocketMQ 5.x).
min_storage	String	Minimum storage space (displayed only for RocketMQ 5.x).
max_tps_per_rcu	String	Maximum TPS per RCU (displayed only for RocketMQ 5.x).
elastic_tps	String	Elastic TPS (displayed only for RocketMQ 5.x).

**Table 7** RocketMQProductSupportFeaturesEntity
Parameter	Type	Description
name	String	Feature name.
properties	Map<String,String>	Key-value pair of a feature.

Example Requests

Querying the product information for instance modification

GET https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/extend

Example Responses

Status code: 200

Product information for instance specification modification queried.

{
  "total" : 1,
  "next_offset" : -1,
  "previous_offset" : -1,
  "engine" : "rocketmq",
  "versions" : [ "4.8.0" ],
  "products" : [ {
    "type" : "cluster.small",
    "product_id" : "c6.4u8g.cluster.small",
    "ecs_flavor_id" : "c6.xlarge.2",
    "billing_code" : "dms.platinum.c6",
    "arch_types" : [ "X86" ],
    "charging_mode" : [ "monthly", "hourly" ],
    "ios" : [ {
      "io_spec" : "dms.physical.storage.high.v2",
      "available_zones" : [ "xxx" ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    }, {
      "io_spec" : "dms.physical.storage.ultra.v2",
      "available_zones" : [ ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    } ],
    "support_features" : [ ],
    "properties" : {
      "max_broker" : "2",
      "max_topic_per_broker" : "2000",
      "max_storage_per_node" : "30000",
      "max_consumer_per_broker" : "2000",
      "min_broker" : "1",
      "product_alias" : "rocketmq.4u8g.cluster.small",
      "engine_versions" : "4.8.0",
      "min_storage_per_node" : "300"
    },
    "available_zones" : [ "xxx" ],
    "unavailable_zones" : [ "xxx" ],
    "qingtian_incompatible" : false
  }, {
    "type" : "cluster",
    "product_id" : "c6.4u8g.cluster",
    "ecs_flavor_id" : "s6.xlarge.2",
    "billing_code" : "dms.platinum.c6",
    "arch_types" : [ "X86" ],
    "charging_mode" : [ "monthly", "hourly" ],
    "ios" : [ {
      "io_spec" : "dms.physical.storage.ultra.v2",
      "available_zones" : [ ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    }, {
      "io_spec" : "dms.physical.storage.high.v2",
      "available_zones" : [ "xxx" ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    } ],
    "support_features" : [ ],
    "properties" : {
      "max_broker" : "10",
      "max_topic_per_broker" : "4000",
      "max_storage_per_node" : "60000",
      "max_consumer_per_broker" : "4000",
      "min_broker" : "1",
      "product_alias" : "rocketmq.4u8g.cluster",
      "engine_versions" : "4.8.0",
      "min_storage_per_node" : "300"
    },
    "available_zones" : [ "xxx" ],
    "unavailable_zones" : [ "xxx" ],
    "qingtian_incompatible" : false
  }, {
    "type" : "cluster",
    "product_id" : "c6.8u16g.cluster",
    "ecs_flavor_id" : "c6s.2xlarge.2",
    "billing_code" : "dms.platinum.c6",
    "arch_types" : [ "X86" ],
    "charging_mode" : [ "monthly", "hourly" ],
    "ios" : [ {
      "io_spec" : "dms.physical.storage.high.v2",
      "available_zones" : [ "xxx" ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    }, {
      "io_spec" : "dms.physical.storage.ultra.v2",
      "available_zones" : [ ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    } ],
    "support_features" : [ ],
    "properties" : {
      "max_broker" : "10",
      "max_topic_per_broker" : "8000",
      "max_storage_per_node" : "90000",
      "max_consumer_per_broker" : "8000",
      "min_broker" : "1",
      "product_alias" : "rocketmq.8u16g.cluster",
      "engine_versions" : "4.8.0",
      "min_storage_per_node" : "300"
    },
    "available_zones" : [ "xxx" ],
    "unavailable_zones" : [ "xxx" ],
    "qingtian_incompatible" : false
  }, {
    "type" : "cluster",
    "product_id" : "c6.12u24g.cluster",
    "ecs_flavor_id" : "c6s.3xlarge.2",
    "billing_code" : "dms.platinum.c6",
    "arch_types" : [ "X86" ],
    "charging_mode" : [ "monthly", "hourly" ],
    "ios" : [ {
      "io_spec" : "dms.physical.storage.ultra.v2",
      "available_zones" : [ ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    }, {
      "io_spec" : "dms.physical.storage.high.v2",
      "available_zones" : [ "xxx" ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    } ],
    "support_features" : [ ],
    "properties" : {
      "max_broker" : "10",
      "max_topic_per_broker" : "12000",
      "max_storage_per_node" : "90000",
      "max_consumer_per_broker" : "12000",
      "min_broker" : "1",
      "product_alias" : "rocketmq.12u24g.cluster",
      "engine_versions" : "4.8.0",
      "min_storage_per_node" : "300"
    },
    "available_zones" : [ "xxx" ],
    "unavailable_zones" : [ "xxx" ],
    "qingtian_incompatible" : false
  }, {
    "type" : "cluster",
    "product_id" : "c6.16u32g.cluster",
    "ecs_flavor_id" : "c6.4xlarge.2",
    "billing_code" : "dms.platinum.c6",
    "arch_types" : [ "X86" ],
    "charging_mode" : [ "monthly", "hourly" ],
    "ios" : [ {
      "io_spec" : "dms.physical.storage.high.v2",
      "available_zones" : [ "xxx" ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    }, {
      "io_spec" : "dms.physical.storage.ultra.v2",
      "available_zones" : [ ],
      "type" : "evs",
      "unavailable_zones" : [ "xxx" ]
    } ],
    "support_features" : [ ],
    "properties" : {
      "max_broker" : "10",
      "max_topic_per_broker" : "16000",
      "max_storage_per_node" : "90000",
      "max_consumer_per_broker" : "16000",
      "min_broker" : "1",
      "product_alias" : "rocketmq.16u32g.cluster",
      "engine_versions" : "4.8.0",
      "min_storage_per_node" : "300"
    },
    "available_zones" : [ "xxx" ],
    "unavailable_zones" : [ "xxx" ],
    "qingtian_incompatible" : false
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

      
       
         
         
           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.*;


public class ShowEngineInstanceExtendProductInfoSolution {

    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();
        ShowEngineInstanceExtendProductInfoRequest request = new ShowEngineInstanceExtendProductInfoRequest();
        request.withEngine("{engine}");
        request.withInstanceId("{instance_id}");
        try {
            ShowEngineInstanceExtendProductInfoResponse response = client.showEngineInstanceExtendProductInfo(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());
        }
    }
}

          

        

      
     

      
       
         
         
           # 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 = ShowEngineInstanceExtendProductInfoRequest()
        request.engine = "{engine}"
        request.instance_id = "{instance_id}"
        response = client.show_engine_instance_extend_product_info(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

          

        

      
     

      
       
         
         
           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.ShowEngineInstanceExtendProductInfoRequest{}
	request.Engine = "{engine}"
	request.InstanceId = "{instance_id}"
	response, err := client.ShowEngineInstanceExtendProductInfo(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

          

        

      
     