ALIYUN::ROCKETMQ5::Topic - Resource Orchestration Service

ALIYUN::ROCKETMQ5::Topic is used to create a topic for a Message Queue for Apache RocketMQ V5.0 instance.

Syntax

{
  "Type": "ALIYUN::ROCKETMQ5::Topic",
  "Properties": {
    "InstanceId": String,
    "MessageType": String,
    "Remark": String,
    "TopicName": String
  }
}

Properties


Property	Type	Required	Editable	Description	Constraint
InstanceId	String	Yes	No	The ID of the instance to which the topic belongs.	None.
MessageType	String	Yes	No	The message type of the topic that you want to create.	Valid values: TRANSACTION: transactional message FIFO: ordered message DELAY: scheduled or delayed message NORMAL: normal message Note The type of the topic and the message must be the same. For example, if you create a topic of the ordered message type, you can use the topic to send and receive only ordered messages.
Remark	String	No	Yes	The description of the topic.	None.
TopicName	String	Yes	No	The name of the topic.	The name is used to identify the topic and is globally unique. The name is subjected to the following limits: Character limit: The name can contain letters, digits, underscores (_), hyphens (-), and percent signs (%). Length limit: The name must be 1 to 60 characters in length.

Return values

Fn::GetAtt

InstanceId: the ID of the instance to which the topic belongs.
MessageType: the message type of the topic.
TopicName: the name of the topic.

Examples

YAML format

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  InstanceId:
    Type: String
    Description: The ID of the instance.
Resources:
  Topic:
    Type: ALIYUN::ROCKETMQ5::Topic
    Properties:
      InstanceId:
        Ref: InstanceId
      MessageType: NORMAL
      TopicName: TestTopic
Outputs:
  InstanceId:
    Description: The ID of the instance.
    Value:
      Fn::GetAtt:
        - Topic
        - InstanceId
  MessageType:
    Description: The type of the message.
    Value:
      Fn::GetAtt:
        - Topic
        - MessageType
  TopicName:
    Description: The name of the topic.
    Value:
      Fn::GetAtt:
        - Topic
        - TopicName

JSON format

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "InstanceId": {
      "Type": "String",
      "Description": "The ID of the instance."
    }
  },
  "Resources": {
    "Topic": {
      "Type": "ALIYUN::ROCKETMQ5::Topic",
      "Properties": {
        "InstanceId": {
          "Ref": "InstanceId"
        },
        "MessageType": "NORMAL",
        "TopicName": "TestTopic"
      }
    }
  },
  "Outputs": {
    "InstanceId": {
      "Description": "The ID of the instance.",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "InstanceId"
        ]
      }
    },
    "MessageType": {
      "Description": "The type of the message.",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "MessageType"
        ]
      }
    },
    "TopicName": {
      "Description": "The name of the topic.",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "TopicName"
        ]
      }
    }
  }
}