ALIYUN::ROCKETMQ::Group is used to create a Group ID on the ROCKETMQ client. The Group ID that you create is used to publish and subscribe to messages.

Syntax

{
  "Type": "ALIYUN::ROCKETMQ::Group",
  "Properties": {
    "InstanceId": String,
    "GroupType": String,
    "Remark": String,
    "GroupId": String
  }
}

Properties

Parameter Data type Required Editable Description Constraint
InstanceId String Yes No The ID of the instance corresponding to the group ID that you want to create. N/A
GroupType String No No Protocol for a Group ID Valid values:
  • tcp: The default value. A Group ID is applicable only when you send and receive messages over TCP.
  • http: a Group ID can be used only for sending and receiving HTTP messages.
Remark String No No Remarks N/A
GroupId String Yes No The Group ID of the consumer cluster. To GID_ or GID- and can contain letters, digits, hyphen (-), and underscores (_). The description must be 5 to 64 characters in length.

Error code

Fn::GetAtt

  • GroupType: The protocol to which the Group ID you created applies.
  • InstanceId: The ID of the instance.
  • GroupId: The ID of the created Group.

Examples

  • YAML format 

    ROSTemplateFormatVersion: '2015-09-01'
Resources:
  Group:
    Type: 'ALIYUN::ROCKETMQ::Group'
    Properties:
      InstanceId:
        Ref: InstanceId
      GroupType:
        Ref: GroupType
      Remark:
        Ref: Remark
      GroupId:
        Ref: GroupId
Parameters:
  InstanceId:
    Type: String
    Description: The ID of the instance.
  GroupType:
    Type: String
    Description: >-
      Group ID specifies the creation of applicable agreements. Group ID TCP
      protocol and the HTTP protocol can not be shared and the need to create
      separately. Value as follows:

      tcp: Default, indicates Group ID is created only for the TCP protocol
      messaging.

      http: represents the Group ID was created only for the HTTP protocol
      messaging.
    AllowedValues:
      -tcp
      -http
  Remark:
    Type: String
    Description: The remarks on the request.
  GroupId:
    MinLength: 7
    Type: String
    Description: >-
      The group ID of the consumption cluster. When creating a group ID, pay
      attention to the following aspects:

      A group ID starts with"GID_" or "GID-", and contains letters, numbers,
      hyphens (-), and underscores (_).

      A group ID ranges from 7 to 64 bytes.

      Once a group ID is created, it cannot be edited anymore.
    MaxLength: 64
Outputs:
  GroupType:
    Description: Group Type
    Value:
      'Fn::GetAtt':
        -Group
        -GroupType
  InstanceId:
    Description: Instance ID
    Value:
      'Fn::GetAtt':
        -Group
        - InstanceId
  GroupId:
    Description: Group ID
    Value:
      'Fn::GetAtt':
        -Group
        -GroupId

  • JSON format 

    {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Resources": {
    "Group": {
      "Type": "ALIYUN::ROCKETMQ::Group",
      "Properties": {
        "InstanceId": {
          "Ref": "InstanceId"
        },
        "GroupType": {
          "Ref": "GroupType"
        },
        "Remark": {
          "Ref": "Remark"
        },
        "GroupId": {
          "Ref": "GroupId"
        }
      }
    }
  },
  "Parameters": {
    "InstanceId": {
      "Type": "String",
      "Description": "The ID of the instance."
    },
    "GroupType": {
      "Type": "String",
      "Description": "Group ID specifies the creation of applicable agreements. Group ID TCP protocol and the HTTP protocol can not be shared, the need to create separately. Value as follows:\ntcp: Default, indicates Group ID is created only for the TCP protocol messaging.\nhttp: represents the Group ID was created only for the HTTP protocol messaging.",
      "AllowedValues": [
        "tcp",
        "http"
      ]
    },
    "Remark": {
      "Type": "String",
      "Description": "The remarks on the request."
    },
    "GroupId": {
      "MinLength": 7,
      "Type": "String",
      "Description": "The group ID of the consumption cluster. When creating a group ID, pay attention to the following aspects:\nA group ID starts with\"GID_\" or \"GID-\", and contains letters, numbers, hyphens (-), and underscores (_).\nA group ID ranges from 7 to 64 bytes.\nOnce a group ID is created, it cannot be edited anymore.",
      "MaxLength": 64
    }
  },
  "Outputs": {
    "GroupType": {
      "Description": "Group Type",
      "Value": {
        "Fn::GetAtt": [
          "Group",
          "GroupType"
        ]
      }
    },
    "InstanceId": {
      "Description": "Instance ID",
      "Value": {
        "Fn::GetAtt": [
          "Group",
          "InstanceId"
        ]
      }
    },
    "GroupId": {
      "Description": "Group ID",
      "Value": {
        "Fn::GetAtt": [
          "Group",
          "GroupId"
        ]
      }
    }
  }
}