全部產品
Search
文件中心

E-MapReduce:GetNodeGroup - 擷取節點群組

更新時間:Dec 22, 2025

擷取節點群組詳情。

介面說明

擷取節點群組詳情。

調試

您可以在OpenAPI Explorer中直接運行該介面,免去您計算簽名的困擾。運行成功後,OpenAPI Explorer可以自動產生SDK程式碼範例。

調試

授權資訊

下表是API對應的授權資訊,可以在RAM權限原則語句的Action元素中使用,用來給RAM使用者或RAM角色授予調用此API的許可權。具體說明如下:

  • 操作:是指具體的許可權點。

  • 存取層級:是指每個操作的存取層級,取值為寫入(Write)、讀取(Read)或列出(List)。

  • 資源類型:是指操作中支援授權的資源類型。具體說明如下:

    • 對於必選的資源類型,用前面加 * 表示。

    • 對於不支援資源級授權的操作,用全部資源表示。

  • 條件關鍵字:是指雲產品自身定義的條件關鍵字。

  • 關聯操作:是指成功執行操作所需要的其他許可權。操作者必須同時具備關聯操作的許可權,操作才能成功。

操作

存取層級

資源類型

條件關鍵字

關聯操作

emr:GetNodeGroup

get

*全部資源

*

請求參數

名稱

類型

必填

描述

樣本值

RegionId

string

地區 ID。

cn-hangzhou

ClusterId

string

叢集 ID。

c-b933c5aac8fe****

NodeGroupId

string

節點群組 ID。

ng-869471354ecd****

返回參數

名稱

類型

描述

樣本值

object

返回資料

NodeGroup NodeGroup

節點群組。

RequestId

string

請求 ID。

DD6B1B2A-5837-5237-ABE4-FF0C8944****

樣本

正常返回樣本

JSON格式

{
  "NodeGroup": {
    "ZoneId": "cn-beijing-h",
    "NodeGroupId": "ng-869471354ecd****",
    "NodeGroupName": "core-1",
    "NodeGroupType": "CORE",
    "RunningNodeCount": 3,
    "InstanceTypes": [
      ""
    ],
    "PaymentType": "PayAsYouGo",
    "DataDisks": [
      {
        "Category": "cloud_essd",
        "Size": 80,
        "PerformanceLevel": "PL1",
        "Count": 5
      }
    ],
    "SystemDisk": {
      "Category": "cloud_essd",
      "Size": 60,
      "PerformanceLevel": "PL1",
      "Count": 1
    },
    "NodeGroupState": "CREATED",
    "AdditionalSecurityGroupIds": [
      ""
    ],
    "WithPublicIp": false,
    "VSwitchIds": [
      ""
    ],
    "SpotStrategy": "NoSpot",
    "SpotBidPrices": [
      {
        "InstanceType": "ecs.g7.2xlarge",
        "BidPrice": 1000
      }
    ],
    "StateChangeReason": {
      "Code": "MissingParameter",
      "Message": "The instance type is required."
    },
    "MinimalNodeCount": 0,
    "MaximalNodeCount": 200,
    "GracefulShutdown": false,
    "SpotInstanceRemedy": true,
    "CompensateWithOnDemand": true,
    "NodeResizeStrategy": "PRIORITY",
    "CostOptimizedConfig": {
      "OnDemandBaseCapacity": 80,
      "OnDemandPercentageAboveBaseCapacity": 80,
      "SpotInstancePools": 2
    },
    "DeploymentSetStrategy": "NONE",
    "AutoCompensateState": true,
    "ExtraAttributes": {
      "key": ""
    },
    "AckConfig": {
      "AckInstanceId": "",
      "NodeSelectors": [
        {
          "Key": "department",
          "Value": "IT"
        }
      ],
      "Tolerations": [
        {
          "Key": "",
          "Value": "",
          "Operator": "",
          "Effect": ""
        }
      ],
      "Namespace": "",
      "RequestCpu": 0,
      "RequestMemory": 0,
      "LimitCpu": 0,
      "LimitMemory": 0,
      "DataDiskStorageClass": "",
      "DataDiskSize": 0,
      "CustomLabels": [
        {
          "Key": "department",
          "Value": "IT"
        }
      ],
      "CustomAnnotations": [
        {
          "Key": "department",
          "Value": "IT"
        }
      ],
      "MountHostCgroup": true,
      "NodeAffinity": "",
      "PodAntiAffinity": "",
      "PodAffinity": "",
      "PreStartCommand": [
        ""
      ],
      "Pvcs": [
        {
          "DataDiskStorageClass": "",
          "DataDiskSize": 0,
          "Path": "",
          "Name": ""
        }
      ],
      "Volumes": [
        {
          "Name": "",
          "Path": "",
          "Type": ""
        }
      ],
      "VolumeMounts": [
        {
          "Name": "",
          "Path": ""
        }
      ]
    },
    "IaaSType": "",
    "PrivatePoolOptions": {
      "PrivatePoolIds": [
        ""
      ],
      "MatchCriteria": "Open"
    },
    "Status": "CREATED"
  },
  "RequestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****"
}

錯誤碼

HTTP status code

錯誤碼

錯誤資訊

描述

400 ConflictParameters Parameters that must not be used together. %s 多個參數間存在衝突。
400 IncompleteSignature The request signature is invalid. API請求籤名不合法。
400 InvalidAction The action %s requested is invalid. 不合法的Action。
400 InvalidParameter The specified parameter %s is not valid. 參數錯誤。
400 InvalidParameterValue The input parameter %s is invalid or out of range. 參數值超出範圍。
400 MissingAction The action %s requested is missing. 缺少Action參數
400 MissingParameter The input parameter %s that is mandatory for processing this request is not supplied. 參數缺失。
400 NotAuthorized You do not have permission to perform this action. %s 沒有許可權。
400 ThrottlingException The request was denied due to request throttling. %s 限流。
500 InternalError The request processing has failed due to some unknown error, exception or failure. 內部錯誤。
404 ResourceNotFound The resource not found by %s. 請求的資源未找到。
503 ServiceFailure The request has failed due to a temporary failure of %s service. 依賴的阿里雲其他服務不可用。
503 ServiceUnavailable The request has failed due to a temporary failure of the server. 請求逾時或者服務不可用。

訪問錯誤中心查看更多錯誤碼。

變更歷史

更多資訊,參考變更詳情