DATASOURCE::MNS::Topic

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
  }
}

属性

属性名称

类型

必须

允许更新

描述

约束

TopicName

String

主题的名称。

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格式

    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格式

    {
      "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"
            ]
          }
        }
      }
    }