Use ALIYUN::MNS::Topic to create a topic - Resource Orchestration Service

ALIYUN::MNS::Topic is used to create a topic.

Syntax

{
  "Type": "ALIYUN::MNS::Topic",
  "Properties": {
    "LoggingEnabled": Boolean,
    "TopicName": String,
    "MaximumMessageSize": Integer,
    "Tags": List
  }
}

Properties

Property	Type	Required	Editable	Description	Constraint
TopicName	String	Yes	No	The name of the topic.	The name must be unique to an Alibaba Cloud account in a region. The name can be up to 256 characters in length and can contain letters, digits, and hyphens (-). It must start with a letter.
MaximumMessageSize	Integer	No	Yes	The maximum size of a message that can be sent to the topic.	Valid values: 1024 (1 KB) to 65536 (64 KB). Unit: bytes. Default value: 65536 (64 KB).
LoggingEnabled	Boolean	No	Yes	Specifies whether to enable the log management feature.	Default value: false. Valid values: true: enables the log management feature. false: disables the log management feature.
Tags	List	No	No	The tags of the topic.	For more information, see the "Tags properties" section of this topic.

Tags syntax

"Tags": [{
  "Key": String,
  "Value": String
}]

Tags properties

Property	Type	Requried	Editable	Description	Constraint
Key	String	Yes	No	The key of the tag.	None.
Value	String	No	No	The value of the tag.	None.

Return values

Fn::GetAtt

TopicUrl: the URL of the created topic.
TopicName: the name of the created topic.
ARN.WithSlash: The ARN of the created topic.

Examples

YAML

ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  TopicName:
    Type: String
    Description: Topic name
    MinLength: 1
    MaxLength: 256
Resources:
  Topic:
    Type: ALIYUN::MNS::Topic
    Properties:
      MaximumMessageSize: 1024
      LoggingEnabled: false
      TopicName:
        Ref: TopicName
Outputs:
  TopicUrl:
    Description: URL of created topic
    Value:
      Fn::GetAtt:
        - Topic
        - TopicUrl
  ARN:
    Description: The ARN for ALIYUN::ROS::CustomResource
    Value:
      Fn::GetAtt:
        - Topic
        - ARN.WithSlash
  TopicName:
    Description: Topic name
    Value:
      Fn::GetAtt:
        - Topic
        - TopicName

JSON

{
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "TopicName": {
      "Type": "String",
      "Description": "Topic name",
      "MinLength": 1,
      "MaxLength": 256
    }
  },
  "Resources": {
    "Topic": {
      "Type": "ALIYUN::MNS::Topic",
      "Properties": {
        "MaximumMessageSize": 1024,
        "LoggingEnabled": false,
        "TopicName": {
          "Ref": "TopicName"
        }
      }
    }
  },
  "Outputs": {
    "TopicUrl": {
      "Description": "URL of created topic",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "TopicUrl"
        ]
      }
    },
    "ARN": {
      "Description": "The ARN for ALIYUN::ROS::CustomResource",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "ARN.WithSlash"
        ]
      }
    },
    "TopicName": {
      "Description": "Topic name",
      "Value": {
        "Fn::GetAtt": [
          "Topic",
          "TopicName"
        ]
      }
    }
  }
}