How to use DATASOURCE::ROCKETMQ::Topics to query topics on an ApsaraMQ for RocketMQ instance.-Resource Orchestration Service(ROS)-阿里云帮助中心

Syntax

{
  "Type": "DATASOURCE::ROCKETMQ::Topics",
  "Properties": {
    "InstanceId": String,
    "TopicName": String,
    "RefreshOptions": String
  }
}

Properties

Property	Type	Required	Editable	Description	Constraint
InstanceId	String	No	Yes	The instance ID.	None.
TopicName	String	No	Yes	The topic name.	None.
RefreshOptions	String	No	Yes	The refresh policy for data source resources when the stack is updated.	Valid values: Never (default): does not refresh data source resources when the stack is updated. Always: refreshes data source resources when the stack is updated.

Return values

Fn::GetAtt

Topics: the details of each topic.
TopicNames: the names of the topics.

Property	Type	Description	Constraint
TopicNames	List	The names of the topics.	None.
Topics	List	The details of each topic.	None.
Remark	string	The description of the topic.	None.
Tags	Map	The tags of the topic.	Example: `[ { "Key": "CartService", "Value": "SrviceA" } ]`
InstanceId	string	The instance ID.	None.
RelationName	string	The relationship between the current account and the topic.	Valid values: The current account is the owner of the topic. The current account can subscribe to the topic. The current account can publish messages to the topic. The current account can publish messages to and subscribe to the topic.
MessageType	Number	The message type of the topic.	Valid values: 0: normal message 1: partitionally ordered message 2: globally ordered message 4: transactional message 5: scheduled or delayed messages
CreateTime	string	The topic creation time.	None.
IndependentNaming	boolean	Whether the instance uses a separate namespace.	Valid values: true: The instance has a separate namespace. Resource names must be unique within an instance but can be the same across different instances. false: The instance does not have a separate namespace. Resource names must be globally unique within and across all instances.
Relation	integer	The numeric code of the relationship between the current account and the topic.	Valid values: 1: The current account is the owner of the topic. 2: The current account can publish messages to the topic. 4: The current account can subscribe to the topic. 6: The current account can publish messages to and subscribe to the topic.
Owner	string	The ID of the topic owner.	None.
TopicName	string	The topic name.	None.

Examples

YAML

ROSTemplateFormatVersion: '2015-09-01'
Parameters: {}
Resources:
  ExtensionDataSource:
    Type: DATASOURCE::ROCKETMQ::Topics
    Properties:
      TopicName: DemoTopic
Outputs:
  Topics:
    Description: The list of topics.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - Topics
  TopicNames:
    Description: The list of topic names.
    Value:
      Fn::GetAtt:
        - ExtensionDataSource
        - TopicNames

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
  },
  "Resources": {
    "ExtensionDataSource": {
      "Type": "DATASOURCE::ROCKETMQ::Topics",
      "Properties": {
        "TopicName": "DemoTopic"
      }
    }
  },
  "Outputs": {
    "Topics": {
      "Description": "The list of topics.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "Topics"
        ]
      }
    },
    "TopicNames": {
      "Description": "The list of topic names.",
      "Value": {
        "Fn::GetAtt": [
          "ExtensionDataSource",
          "TopicNames"
        ]
      }
    }
  }
}