Updated on 2024-04-09 GMT+08:00

Querying Product Flavors

Function

This API is used to query the product flavor (parameter spec_code) required for configuring a new DCS instance. If no search criterion is specified, all product specifications will be queried by default.

Calling Method

For details, see Calling APIs.

URI

GET /v2/{project_id}/flavors

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details, see Obtaining a Project ID.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

spec_code

No

String

Product flavor.

cache_mode

No

String

DCS instance type. Options:

  • single: single-node

  • ha: master/standby

  • cluster: Redis Cluster

  • proxy: Proxy Cluster

  • ha_rw_split: read/write splitting

engine

No

String

Cache engine. Options:

  • Redis

  • Memcached

engine_version

No

String

Cache engine version. If the cache engine is Redis, the options are as follows:

  • 3.0

  • 4.0

  • 5.0

  • 6.0

cpu_type

No

String

CPU architecture. The options are as follows:

  • x86_64: x86 architecture

  • aarch64: Arm architecture

Enumeration values:

  • x86_64

  • aarch64

capacity

No

String

Cache capacity (GB).

  • For a single-node or master/standby DCS Redis 3.0 instance, the value can be 2, 4, 8, 16, 32, or 64. For a Proxy Cluster DCS Redis 3.0 instance, the value can be 64, 128, 256, 512, or 1024.

  • Redis 4.0/5.0/6.0: For a single-node or master/standby instance, the value can be 0.125, 0.25, 0.5, 1, 2, 4, 8, 16, 32, or 64. For a cluster instance, the value can be 4, 8, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, or 1024. For a read/write splitting instance, the value can be 8, 16, 32, or 64.

  • For a single-node or master/standby DCS Memcached instance, the value can be 2, 4, 8, 16, 32, or 64.

Request Parameters

None

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

flavors

Array of FlavorsItems objects

Product flavor details.

Table 4 FlavorsItems

Parameter

Type

Description

spec_code

String

Product flavor.

cloud_service_type_code

String

Code of the cloud service type.

cloud_resource_type_code

String

Code of the cloud resource type.

cache_mode

String

DCS instance type. Options:

  • single: single-node

  • ha: master/standby

  • cluster: Redis Cluster

  • proxy: Proxy Cluster

  • ha_rw_split: read/write splitting

engine

String

Cache engine.

engine_version

String

Cache engine version. If the cache engine is Redis, the version can be 3.0, 4.0, 5.0, or 6.0.

product_type

String

Edition of DCS for Redis. Value: generic: basic edition

cpu_type

String

CPU architecture. The options are as follows:

  • x86_64: x86 architecture

  • aarch64: Arm architecture

storage_type

String

Storage type. Currently, only the following value is supported: DRAM: in-memory storage

capacity

Array of strings

Cache capacity (GB).

billing_mode

Array of strings

Billing mode. The value can be:

  • Hourly: pay-per-use

tenant_ip_count

Integer

Number of tenant IP addresses.

pricing_type

String

Pricing type. The options are as follows:

  • tier: Tiered pricing. One flavor corresponds to multiple capacity options.

  • normal: One flavor corresponds to one capacity option.

is_dec

Boolean

Whether Dedicated Cloud (DeC) is supported.

attrs

Array of AttrsObject objects

Other information about the flavor.

flavors_available_zones

Array of FlavorAzObject objects

AZs where there are available resources.

replica_count

Integer

Replicas.

Table 5 AttrsObject

Parameter

Type

Description

capacity

String

Cache capacity (GB).

name

String

Additional information items. The options are as follows:

  • sharding_num: Number of shards supported by the flavor.

  • proxy_num: Number of proxies supported by Proxy Cluster instances of the specified flavor. If the instance is not a Proxy Cluster instance, the value of this parameter is 0.

  • db_number: Number of DBs of the flavor.

  • max_memory: Maximum available memory.

  • max_connections: Maximum number of connections supported by the flavor.

  • max_clients: Maximum number of clients supported by the flavor, which is usually equal to the maximum number of connections.

  • max_bandwidth: Maximum bandwidth supported by the flavor.

  • max_in_bandwidth: Maximum inbound bandwidth supported by the flavor, which is usually equal to the maximum bandwidth.

value

String

Additional information value.

Table 6 FlavorAzObject

Parameter

Type

Description

capacity

String

Cache capacity (value).

unit

String

Cache capacity (unit).

available_zones

Array of strings

AZ information.

az_codes

Array of strings

AZs where there are available resources.

Status code: 400

Table 7 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 401

Table 8 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 403

Table 9 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 404

Table 10 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Status code: 500

Table 11 Response body parameters

Parameter

Type

Description

error_msg

String

Error message.

Maximum: 1024

error_code

String

Error code.

Maximum: 9

error_ext_msg

String

Extended error information. This parameter is not used currently and is set to null.

Maximum: 1024

Example Requests

GET https://{dcs_endpoint}/v2/flavors?cache_mode={cache_mode}&engine={engine}&engine_version={engine_version}&cpu_type={cpu_type}&capacity={capacity}

Example Responses

Status code: 200

Product flavors queried successfully.

{
  "flavors" : [ {
    "spec_code" : "redis.single.au1.large.1",
    "cloud_service_type_code" : "hws.resource.type.dcs3",
    "cloud_resource_type_code" : "hws.resource.type.dcs3",
    "cache_mode" : "single",
    "engine" : "redis",
    "engine_version" : "4.0;5.0",
    "product_type" : "generic",
    "cpu_type" : "aarch64",
    "storage_type" : "DRAM",
    "capacity" : [ "1" ],
    "billing_mode" : [ "Hourly" ],
    "tenant_ip_count" : 1,
    "pricing_type" : "normal",
    "is_dec" : false,
    "attrs" : [ {
      "capacity" : "1",
      "name" : "max_memory",
      "value" : "1"
    }, {
      "capacity" : "1",
      "name" : "max_connections",
      "value" : "10000"
    }, {
      "capacity" : "1",
      "name" : "sharding_num",
      "value" : "1"
    }, {
      "capacity" : "1",
      "name" : "proxy_num",
      "value" : "0"
    }, {
      "capacity" : "1",
      "name" : "db_number",
      "value" : "256"
    }, {
      "capacity" : "1",
      "name" : "max_clients",
      "value" : "10000"
    }, {
      "capacity" : "1",
      "name" : "max_bandwidth",
      "value" : "80"
    } ],
    "flavors_available_zones" : [ {
      "capacity" : "1",
      "unit" : "GB",
      "available_zones" : [ "d539378ec1324c85b76fefa3f7071458" ],
      "az_codes" : [ "region01" ]
    } ],
    "replica_count" : 1
  } ]
}

Status code: 400

Invalid request.

{
  "error_code" : "DCS.1004",
  "error_msg" : "Project ID does not match the token."
}

Status code: 401

Invalid authentication information.

{
  "error_code" : "DCS.1001",
  "error_msg" : "Invalid token."
}

Status code: 403

The request is rejected.

{
  "error_code" : "DCS.2003",
  "error_msg" : "This role does not have the permission to perform this operation."
}

Status code: 404

The requested resource is not found.

{
  "error_code" : "DCS.4001",
  "error_msg" : "The requested URL does not exist."
}

Status code: 500

Internal service error.

{
  "error_code" : "DCS.5000",
  "error_msg" : "Internal service error."
}

SDK Sample Code

The SDK sample code is as follows.

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
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.dcs.v2.region.DcsRegion;
import com.huaweicloud.sdk.dcs.v2.*;
import com.huaweicloud.sdk.dcs.v2.model.*;


public class ListFlavorsSolution {

    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);

        DcsClient client = DcsClient.newBuilder()
                .withCredential(auth)
                .withRegion(DcsRegion.valueOf("<YOUR REGION>"))
                .build();
        ListFlavorsRequest request = new ListFlavorsRequest();
        request.withSpecCode("<spec_code>");
        request.withCacheMode("<cache_mode>");
        request.withEngine("<engine>");
        request.withEngineVersion("<engine_version>");
        request.withCpuType(ListFlavorsRequest.CpuTypeEnum.fromValue("<cpu_type>"));
        request.withCapacity("<capacity>");
        try {
            ListFlavorsResponse response = client.listFlavors(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());
        }
    }
}
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkdcs.v2.region.dcs_region import DcsRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkdcs.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 = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")

    credentials = BasicCredentials(ak, sk) \

    client = DcsClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(DcsRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListFlavorsRequest()
        request.spec_code = "<spec_code>"
        request.cache_mode = "<cache_mode>"
        request.engine = "<engine>"
        request.engine_version = "<engine_version>"
        request.cpu_type = "<cpu_type>"
        request.capacity = "<capacity>"
        response = client.list_flavors(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    dcs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/dcs/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 := dcs.NewDcsClient(
        dcs.DcsClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListFlavorsRequest{}
	specCodeRequest:= "<spec_code>"
	request.SpecCode = &specCodeRequest
	cacheModeRequest:= "<cache_mode>"
	request.CacheMode = &cacheModeRequest
	engineRequest:= "<engine>"
	request.Engine = &engineRequest
	engineVersionRequest:= "<engine_version>"
	request.EngineVersion = &engineVersionRequest
	cpuTypeRequest:= model.GetListFlavorsRequestCpuTypeEnum().<CPU_TYPE>
	request.CpuType = &cpuTypeRequest
	capacityRequest:= "<capacity>"
	request.Capacity = &capacityRequest
	response, err := client.ListFlavors(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

Product flavors queried successfully.

400

Invalid request.

401

Invalid authentication information.

403

The request is rejected.

404

The requested resource is not found.

500

Internal service error.

Error Codes

See Error Codes.