# 查询MRS集群版本可用的规格-ShowMrsFlavors #### 功能介绍 查询指定MRS集群版本可用的节点规格信息，包括CPU、内存等配置。在创建集群或扩容节点前，可通过该接口了解可用的节点规格。 #### 调用方法 请参见[如何调用API](https://support.huaweicloud.com/api-mrs/zh-cn_topic_0013582897.html)。 #### 授权信息 账号具备所有API的调用权限，如果使用账号下的IAM用户调用当前API，该IAM用户需具备调用API所需的权限。 - 如果使用角色与策略授权，具体权限要求请参见[权限和授权项](https://support.huaweicloud.com/api-mrs/mrs_02_0221.html)。 - 如果使用身份策略授权，当前API调用无需身份策略权限。 #### URI GET /v2/{project_id}/metadata/version/{version_name}/available-flavor 表1路径参数 | 参数 | 是否必选 | 参数类型 | 描述 | |:---|:---|:---|:---| | project_id | 是 | String | **参数解释：** 项目编号。获取方法，请参见[获取项目ID](https://support.huaweicloud.com/api-mrs/mrs_02_0011.html)。 **约束限制：** 不涉及 **取值范围：** 只能由英文字母和数字组成，且长度为1\~64个字符。 **默认取值：** 不涉及 | | version_name | 是 | String | **参数解释：** 集群版本。例如"MRS 3.1.0"。如果请求客户端不支持自动转义，则需要将空格转义为%20，例如"MRS%203.1.0"。 **约束限制：** 不涉及 **取值范围：** 长度为1\~64个字符，类型为英文字母、数字、空格、中划线、点号（.）。可通过MRS服务管理控制台查看当前可创建的集群版本信息。 **默认取值：** 不涉及 | #### 请求参数 无 #### 响应参数 **状态码：200** 表2响应Body参数 | 参数 | 参数类型 | 描述 | |:---|:---|:---| | version_name | String | **参数解释：** 版本名称。 **取值范围：** 不涉及 | | available_flavors | Array of [AzFlavors] objects | **参数解释：** 不同可用区支持的规格列表，详细规格参数说明请参考下表。 **取值范围：** 不涉及 | 表3AzFlavors | 参数 | 参数类型 | 描述 | |:---|:---|:---| | az_code | String | **参数解释：** 可用区code。 **取值范围：** 不涉及 | | az_name | String | **参数解释：** 可用区名称。 **取值范围：** 不涉及 | | master | Array of [Flavor] objects | **参数解释：** Master节点支持的规格列表，详细规格参数说明请参考下表。 **取值范围：** 不涉及 | | core | Array of [Flavor] objects | **参数解释：** Core节点支持的规格列表，详细规格参数说明请参考下表。 **取值范围：** 不涉及 | | task | Array of [Flavor] objects | **参数解释：** Task节点支持的规格列表，详细规格参数说明请参考下表。 **取值范围：** 不涉及 | 表4Flavor | 参数 | 参数类型 | 描述 | |:---|:---|:---| | flavor_name | String | **参数解释：** 规格名称。 **取值范围：** 不涉及 | #### 请求示例 获取MRS 3.1.0版本元数据的详细信息 ``` /v2/f77c10d14a544393a24e5f0bf53202b6/metadata/version/MRS%203.1.0/available-flavor ``` #### 响应示例 **状态码：200** 当前版本可用规格 ``` { "version_name" : "MRS 3.1.0", "available_flavors" : [ { "az_code" : "cn-north-7a", "az_name" : "可用区1", "master" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ], "core" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ], "task" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ] }, { "az_code" : "cn-north-7b", "az_name" : "可用区2", "master" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ], "core" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ], "task" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ] }, { "az_code" : "cn-north-7c", "az_name" : "可用区3", "master" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ], "core" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ], "task" : [ { "flavor_name" : "Si3.4xlarge.4" }, { "flavor_name" : "m3.8xlarge.8" }, { "flavor_name" : "c6.xlarge.4" }, { "flavor_name" : "m6.xlarge.8" } ] } ] } ``` #### SDK代码示例 SDK代码示例如下。 - [Java] ``` 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.mrs.v2.region.MrsRegion; import com.huaweicloud.sdk.mrs.v2.*; import com.huaweicloud.sdk.mrs.v2.model.*; public class ShowMrsFlavorsSolution { 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); MrsClient client = MrsClient.newBuilder() .withCredential(auth) .withRegion(MrsRegion.valueOf("")) .build(); ShowMrsFlavorsRequest request = new ShowMrsFlavorsRequest(); request.withVersionName("{version_name}"); try { ShowMrsFlavorsResponse response = client.showMrsFlavors(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()); } } } ``` - [Python] ``` # coding: utf-8 import os from huaweicloudsdkcore.auth.credentials import BasicCredentials from huaweicloudsdkmrs.v2.region.mrs_region import MrsRegion from huaweicloudsdkcore.exceptions import exceptions from huaweicloudsdkmrs.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 = MrsClient.new_builder() \ .with_credentials(credentials) \ .with_region(MrsRegion.value_of("")) \ .build() try: request = ShowMrsFlavorsRequest() request.version_name = "{version_name}" response = client.show_mrs_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) ``` - [Go] ``` package main import ( "fmt" "github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic" mrs "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/mrs/v2" "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/mrs/v2/model" region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/mrs/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, err := basic.NewCredentialsBuilder(). WithAk(ak). WithSk(sk). WithProjectId(projectId). SafeBuild() if err != nil { fmt.Println(err) return } hcClient, err := mrs.MrsClientBuilder(). WithRegion(region.ValueOf("")). WithCredential(auth). SafeBuild() if err != nil { fmt.Println(err) return } client := mrs.NewMrsClient(hcClient) request := &model.ShowMrsFlavorsRequest{} request.VersionName = "{version_name}" response, err := client.ShowMrsFlavors(request) if err == nil { fmt.Printf("%+v\n", response) } else { fmt.Println(err) } } ``` - [更多] 更多编程语言的SDK代码示例，请参见[API Explorer](https://console.huaweicloud.com/apiexplorer/#/openapi/MRS/sdk?api=ShowMrsFlavors&version=v2)的代码示例页签，可生成自动对应的SDK代码示例。 #### 状态码 | 状态码 | 描述 | |:---|:---| | 200 | 当前版本可用规格 | #### 错误码 请参见[错误码](https://support.huaweicloud.com/api-mrs/ErrorCode.html)。