Updated on 2024-08-07 GMT+08:00

Increasing Instance Specifications

Function

This API is used to modify instance specifications. Currently, this API can only be used to increase specifications of pay-per-use instances.

Calling Method

For details, see Calling APIs.

URI

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

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

engine

Yes

String

Message engine.

project_id

Yes

String

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

instance_id

Yes

String

Instance ID.

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

oper_type

Yes

String

Change type.

Value range:

  • storage: Expand the storage without changing the broker quantity.

  • horizontal: Add brokers without resizing the storage space of each broker.

  • vertical: Scale up the broker flavor without changing the broker quantity and storage.

new_storage_space

No

Integer

New storage space.

This parameter is valid and mandatory when oper_type is set to storage or horizontal.

Instance storage space = Number of brokers x Storage space of each broker.

If oper_type is set to storage, the number of brokers remains unchanged, and the storage space of each broker must be expanded by at least 100 GB.

If oper_type is set to horizontal, the storage space of each broker remains unchanged.

new_broker_num

No

Integer

This parameter is valid only when oper_type is set to horizontal.

Value range: A maximum of 30 brokers are supported.

new_product_id

No

String

New product ID for scale-up.

This parameter is valid and mandatory when oper_type is set to vertical.

Obtain the product ID from Querying Product Specifications List.

publicip_id

No

String

ID of the EIP bound to the instance.

Use commas (,) to separate multiple EIP IDs.

This parameter is mandatory when oper_type is set to horizontal.

tenant_ips

No

Array of strings

Specified IPv4 private IP addresses.

The number of specified IP addresses must be less than or equal to the number of new brokers.

If the number of specified IP addresses is less than the number of brokers, the unspecified brokers are randomly assigned private IP addresses.

second_tenant_subnet_id

No

String

ID of the standby subnet used by new brokers in instance expansion.

This value is transferred when a standby subnet is used in instance expansion.

Contact customer service to use the value.

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

job_id

String

ID of the specification modification task.

Example Requests

  • Expanding the storage space (pay-per-use)

    POST https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/extend
    
    {
      "oper_type" : "storage",
      "new_storage_space" : 600
    }
  • Adding brokers (pay-per-use)

    POST https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/extend
    
    {
      "oper_type" : "horizontal",
      "new_storage_space" : 1600,
      "new_broker_num" : 4,
      "tenant_ips" : [ "127.xx.xx.x", "127.xx.xx.x", "127.xx.xx.x" ]
    }
  • Increasing the broker flavor (pay-per-use)

    POST https://{endpoint}/v2/{engine}/{project_id}/instances/{instance_id}/extend
    
    {
      "oper_type" : "vertical",
      "new_product_id" : "c6.4u8g.cluster"
    }

Example Responses

Status code: 200

Instance specifications increased.

{
  "job_id" : "93b94287-728d-4bb1-a158-cb66cb0854e7"
}

SDK Sample Code

The SDK sample code is as follows.

  • Expanding the storage space (pay-per-use)

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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.kafka.v2.region.KafkaRegion;
    import com.huaweicloud.sdk.kafka.v2.*;
    import com.huaweicloud.sdk.kafka.v2.model.*;
    
    
    public class ResizeEngineInstanceSolution {
    
        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);
    
            KafkaClient client = KafkaClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(KafkaRegion.valueOf("<YOUR REGION>"))
                    .build();
            ResizeEngineInstanceRequest request = new ResizeEngineInstanceRequest();
            request.withEngine(ResizeEngineInstanceRequest.EngineEnum.fromValue("{engine}"));
            request.withInstanceId("{instance_id}");
            ResizeEngineInstanceReq body = new ResizeEngineInstanceReq();
            body.withNewStorageSpace(600);
            body.withOperType("storage");
            request.withBody(body);
            try {
                ResizeEngineInstanceResponse response = client.resizeEngineInstance(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());
            }
        }
    }
    
  • Adding brokers (pay-per-use)

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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.kafka.v2.region.KafkaRegion;
    import com.huaweicloud.sdk.kafka.v2.*;
    import com.huaweicloud.sdk.kafka.v2.model.*;
    
    import java.util.List;
    import java.util.ArrayList;
    
    public class ResizeEngineInstanceSolution {
    
        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);
    
            KafkaClient client = KafkaClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(KafkaRegion.valueOf("<YOUR REGION>"))
                    .build();
            ResizeEngineInstanceRequest request = new ResizeEngineInstanceRequest();
            request.withEngine(ResizeEngineInstanceRequest.EngineEnum.fromValue("{engine}"));
            request.withInstanceId("{instance_id}");
            ResizeEngineInstanceReq body = new ResizeEngineInstanceReq();
            List<String> listbodyTenantIps = new ArrayList<>();
            listbodyTenantIps.add("127.xx.xx.x");
            listbodyTenantIps.add("127.xx.xx.x");
            listbodyTenantIps.add("127.xx.xx.x");
            body.withTenantIps(listbodyTenantIps);
            body.withNewBrokerNum(4);
            body.withNewStorageSpace(1600);
            body.withOperType("horizontal");
            request.withBody(body);
            try {
                ResizeEngineInstanceResponse response = client.resizeEngineInstance(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());
            }
        }
    }
    
  • Increasing the broker flavor (pay-per-use)

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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.kafka.v2.region.KafkaRegion;
    import com.huaweicloud.sdk.kafka.v2.*;
    import com.huaweicloud.sdk.kafka.v2.model.*;
    
    
    public class ResizeEngineInstanceSolution {
    
        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);
    
            KafkaClient client = KafkaClient.newBuilder()
                    .withCredential(auth)
                    .withRegion(KafkaRegion.valueOf("<YOUR REGION>"))
                    .build();
            ResizeEngineInstanceRequest request = new ResizeEngineInstanceRequest();
            request.withEngine(ResizeEngineInstanceRequest.EngineEnum.fromValue("{engine}"));
            request.withInstanceId("{instance_id}");
            ResizeEngineInstanceReq body = new ResizeEngineInstanceReq();
            body.withNewProductId("c6.4u8g.cluster");
            body.withOperType("vertical");
            request.withBody(body);
            try {
                ResizeEngineInstanceResponse response = client.resizeEngineInstance(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());
            }
        }
    }
    
  • Expanding the storage space (pay-per-use)

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    # coding: utf-8
    
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkkafka.v2.region.kafka_region import KafkaRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkkafka.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 = KafkaClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(KafkaRegion.value_of("<YOUR REGION>")) \
            .build()
    
        try:
            request = ResizeEngineInstanceRequest()
            request.engine = "{engine}"
            request.instance_id = "{instance_id}"
            request.body = ResizeEngineInstanceReq(
                new_storage_space=600,
                oper_type="storage"
            )
            response = client.resize_engine_instance(request)
            print(response)
        except exceptions.ClientRequestException as e:
            print(e.status_code)
            print(e.request_id)
            print(e.error_code)
            print(e.error_msg)
    
  • Adding brokers (pay-per-use)

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    # coding: utf-8
    
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkkafka.v2.region.kafka_region import KafkaRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkkafka.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 = KafkaClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(KafkaRegion.value_of("<YOUR REGION>")) \
            .build()
    
        try:
            request = ResizeEngineInstanceRequest()
            request.engine = "{engine}"
            request.instance_id = "{instance_id}"
            listTenantIpsbody = [
                "127.xx.xx.x",
                "127.xx.xx.x",
                "127.xx.xx.x"
            ]
            request.body = ResizeEngineInstanceReq(
                tenant_ips=listTenantIpsbody,
                new_broker_num=4,
                new_storage_space=1600,
                oper_type="horizontal"
            )
            response = client.resize_engine_instance(request)
            print(response)
        except exceptions.ClientRequestException as e:
            print(e.status_code)
            print(e.request_id)
            print(e.error_code)
            print(e.error_msg)
    
  • Increasing the broker flavor (pay-per-use)

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    # coding: utf-8
    
    import os
    from huaweicloudsdkcore.auth.credentials import BasicCredentials
    from huaweicloudsdkkafka.v2.region.kafka_region import KafkaRegion
    from huaweicloudsdkcore.exceptions import exceptions
    from huaweicloudsdkkafka.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 = KafkaClient.new_builder() \
            .with_credentials(credentials) \
            .with_region(KafkaRegion.value_of("<YOUR REGION>")) \
            .build()
    
        try:
            request = ResizeEngineInstanceRequest()
            request.engine = "{engine}"
            request.instance_id = "{instance_id}"
            request.body = ResizeEngineInstanceReq(
                new_product_id="c6.4u8g.cluster",
                oper_type="vertical"
            )
            response = client.resize_engine_instance(request)
            print(response)
        except exceptions.ClientRequestException as e:
            print(e.status_code)
            print(e.request_id)
            print(e.error_code)
            print(e.error_msg)
    
  • Expanding the storage space (pay-per-use)

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    package main
    
    import (
    	"fmt"
    	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        kafka "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2"
    	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/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 := kafka.NewKafkaClient(
            kafka.KafkaClientBuilder().
                WithRegion(region.ValueOf("<YOUR REGION>")).
                WithCredential(auth).
                Build())
    
        request := &model.ResizeEngineInstanceRequest{}
    	request.Engine = model.GetResizeEngineInstanceRequestEngineEnum().ENGINE
    	request.InstanceId = "{instance_id}"
    	newStorageSpaceResizeEngineInstanceReq:= int32(600)
    	request.Body = &model.ResizeEngineInstanceReq{
    		NewStorageSpace: &newStorageSpaceResizeEngineInstanceReq,
    		OperType: "storage",
    	}
    	response, err := client.ResizeEngineInstance(request)
    	if err == nil {
            fmt.Printf("%+v\n", response)
        } else {
            fmt.Println(err)
        }
    }
    
  • Adding brokers (pay-per-use)

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    package main
    
    import (
    	"fmt"
    	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        kafka "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2"
    	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/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 := kafka.NewKafkaClient(
            kafka.KafkaClientBuilder().
                WithRegion(region.ValueOf("<YOUR REGION>")).
                WithCredential(auth).
                Build())
    
        request := &model.ResizeEngineInstanceRequest{}
    	request.Engine = model.GetResizeEngineInstanceRequestEngineEnum().ENGINE
    	request.InstanceId = "{instance_id}"
    	var listTenantIpsbody = []string{
            "127.xx.xx.x",
    	    "127.xx.xx.x",
    	    "127.xx.xx.x",
        }
    	newBrokerNumResizeEngineInstanceReq:= int32(4)
    	newStorageSpaceResizeEngineInstanceReq:= int32(1600)
    	request.Body = &model.ResizeEngineInstanceReq{
    		TenantIps: &listTenantIpsbody,
    		NewBrokerNum: &newBrokerNumResizeEngineInstanceReq,
    		NewStorageSpace: &newStorageSpaceResizeEngineInstanceReq,
    		OperType: "horizontal",
    	}
    	response, err := client.ResizeEngineInstance(request)
    	if err == nil {
            fmt.Printf("%+v\n", response)
        } else {
            fmt.Println(err)
        }
    }
    
  • Increasing the broker flavor (pay-per-use)

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    package main
    
    import (
    	"fmt"
    	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
        kafka "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2"
    	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/v2/model"
        region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/kafka/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 := kafka.NewKafkaClient(
            kafka.KafkaClientBuilder().
                WithRegion(region.ValueOf("<YOUR REGION>")).
                WithCredential(auth).
                Build())
    
        request := &model.ResizeEngineInstanceRequest{}
    	request.Engine = model.GetResizeEngineInstanceRequestEngineEnum().ENGINE
    	request.InstanceId = "{instance_id}"
    	newProductIdResizeEngineInstanceReq:= "c6.4u8g.cluster"
    	request.Body = &model.ResizeEngineInstanceReq{
    		NewProductId: &newProductIdResizeEngineInstanceReq,
    		OperType: "vertical",
    	}
    	response, err := client.ResizeEngineInstance(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 specifications increased.

Error Codes

See Error Codes.