DATASOURCE::MNS::Topic_资源编排(ROS)-阿里云帮助中心

DATASOURCE::MNS::Topic类型用于获取单个主题的详情信息。

语法

{
  "Type": "DATASOURCE::MNS::Topic",
  "Properties": {
    "TopicName": String,
    "RefreshOptions": String
  }
}

属性

属性名称

类型

必须

允许更新

描述

约束

TopicName

String

是

主题的名称。

无

RefreshOptions

String

否

是

当资源栈更新时，数据源资源的刷新策略。

有效值：

Never（默认值）：更新堆栈时，从不刷新数据源资源。
Always：更新堆栈时，始终刷新数据源资源。

返回值

Fn::GetAtt

MessageRetentionPeriod：消息在主题中最长存活时间。
CreateTime：主题的创建时间。
TopicUrl：主题的公网访问地址。
MaxMessageSize：发送到该主题的消息体最大长度。
LastModifyTime：修改主题属性信息的最近时间。
MessageCount：当前该主题中消息数目。
TopicInnerUrl：主题的内网访问地址。
LoggingEnabled：是否开启日志管理功能。
TopicName：主题的名称。

示例

YAML

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  TopicName:
    Type: String
    Description:
      en: The name of the resource.
    Required: true
Resources:
  ExtensionDataSource:
    Type: DATASOURCE::MNS::Topic
    Properties:
      TopicName:
        Ref: TopicName
Outputs:
  MessageRetentionPeriod:
    Description: The retention period of the message in the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - MessageRetentionPeriod
  CreateTime:
    Description: The time when the topic was created.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - CreateTime
  TopicUrl:
    Description: The URL of the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - TopicUrl
  MaxMessageSize:
    Description: The maximum size of a message body that is sent to the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - MaxMessageSize
  LastModifyTime:
    Description: The time when the topic was last modified.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - LastModifyTime
  MessageCount:
    Description: The number of messages in the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - MessageCount
  TopicInnerUrl:
    Description: The internal URL of the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - TopicInnerUrl
  LoggingEnabled:
    Description: Indicates whether the log management feature is enabled for the topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - LoggingEnabled
  TopicName:
    Description: The name of the MNS topic.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - TopicName

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "TopicName": {
      "Type": "String",
      "Description": {
        "en": "The name of the resource."
      },
      "Required": true
    }
  },
  "Resources": {
    "ExtensionDataSource": {
      "Type": "DATASOURCE::MNS::Topic",
      "Properties": {
        "TopicName": {
          "Ref": "TopicName"
        }
      }
    }
  },
  "Outputs": {
    "MessageRetentionPeriod": {
      "Description": "The retention period of the message in the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "MessageRetentionPeriod"
        ]
      }
    },
    "CreateTime": {
      "Description": "The time when the topic was created.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "CreateTime"
        ]
      }
    },
    "TopicUrl": {
      "Description": "The URL of the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "TopicUrl"
        ]
      }
    },
    "MaxMessageSize": {
      "Description": "The maximum size of a message body that is sent to the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "MaxMessageSize"
        ]
      }
    },
    "LastModifyTime": {
      "Description": "The time when the topic was last modified.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "LastModifyTime"
        ]
      }
    },
    "MessageCount": {
      "Description": "The number of messages in the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "MessageCount"
        ]
      }
    },
    "TopicInnerUrl": {
      "Description": "The internal URL of the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "TopicInnerUrl"
        ]
      }
    },
    "LoggingEnabled": {
      "Description": "Indicates whether the log management feature is enabled for the topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "LoggingEnabled"
        ]
      }
    },
    "TopicName": {
      "Description": "The name of the MNS topic.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "TopicName"
        ]
      }
    }
  }
}