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    Resource Orchestration Service:RDS resources

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    Resource Orchestration Service:RDS resources

    Last Updated:Jun 23, 2026

    Lists the AssociationProperty values and metadata parameters available for ApsaraDB RDS resources in Resource Orchestration Service (ROS) templates.

    AssociationProperty value

    Description

    Corresponding AssociationPropertyMetadata

    ALIYUN::RDS::Engine::EngineId

    RDS database engine.

    Examples:

    • Example code

      JSON example:

      {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "Engine": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::RDS::Engine::EngineId"
    }
  }
}

      YAML example:

      ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  Engine:
    Type: String
    AssociationProperty: ALIYUN::RDS::Engine::EngineId

    • Example explanation

      Setting AssociationProperty to ALIYUN::RDS::Engine::EngineId populates a selector with available RDS database engines.

    ALIYUN::RDS::Engine::EngineVersion

    RDS database engine version.

    Engine: the database type.

    Examples:

    • Example code

      JSON example:

      {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "Engine": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::RDS::Engine::EngineId"
    },
    "EngineVersion": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::RDS::Engine::EngineVersion",
      "AssociationPropertyMetadata": {
        "Engine": "${Engine}"
      }
    }
  }
}

      YAML example:

      ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  Engine:
    Type: String
    AssociationProperty: ALIYUN::RDS::Engine::EngineId
  EngineVersion:
    Type: String
    AssociationProperty: ALIYUN::RDS::Engine::EngineVersion
    AssociationPropertyMetadata:
      Engine: ${Engine}

    • Example explanation

      Setting AssociationProperty to ALIYUN::RDS::Engine::EngineVersion with Engine as metadata populates a selector with available engine versions for the specified database type.

    ALIYUN::RDS::Instance::AccountPassword

    RDS database account password.

    Examples:

    • Example code

      JSON example:

      {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "AccountPassword": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::RDS::Instance::AccountPassword"
    }
  }
}

      YAML example:

      ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  AccountPassword:
    Type: String
    AssociationProperty: ALIYUN::RDS::Instance::AccountPassword

    • Example explanation

      Setting AssociationProperty to ALIYUN::RDS::Instance::AccountPassword renders a password input field for the RDS database account.

    ALIYUN::RDS::Instance::InstanceId

    RDS instance ID.

    • RegionId: region ID (defaults to the stack's region).

    • ZoneId: zone ID.

    Examples:

    • Example code

      JSON example:

      {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "RegionId": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::RegionId"
    },
    "ZoneId": {
      "Type": "String",
      "AssociationProperty": "ZoneId"
    },
    "RdsId": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::RDS::Instance::InstanceId",
      "AssociationPropertyMetadata": {
        "RegionId": "${RegionId}",
        "ZoneId": "${ZoneId}"
      }
    }
  }
}

      YAML example:

      ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  RegionId:
    Type: String
    AssociationProperty: ALIYUN::ECS::RegionId
  ZoneId:
    Type: String
    AssociationProperty: ZoneId
  RdsId:
    Type: String
    AssociationProperty: ALIYUN::RDS::Instance::InstanceId
    AssociationPropertyMetadata:
      RegionId: ${RegionId}
      ZoneId: ${ZoneId}

    • Example explanation

      Setting AssociationProperty to ALIYUN::RDS::Instance::InstanceId with RegionId and ZoneId as metadata populates a selector with existing ApsaraDB RDS instances in the specified zone and region.

    ALIYUN::RDS::Instance::InstanceType

    RDS instance type.

    • RegionId: region ID (defaults to the stack's region).

    • ZoneId: zone ID.

    • InstanceChargeType: instance billing method.

    • Category: instance edition.

    • Engine: database engine.

    • EngineVersion: database version number.

    • DBInstanceClass: instance type.

    • OrderType: order type.

    • DBInstanceStorageType: storage class.

    • DispenseMode: allocation mode.

    Examples:

    • Example code

      JSON example:

      {
  "ROSTemplateFormatVersion": "2015-09-01",
  "Parameters": {
    "RegionId": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::ECS::RegionId"
    },
    "ZoneId": {
      "Type": "String",
      "AssociationProperty": "ZoneId"
    },
    "InstanceType": {
      "Type": "String",
      "AssociationProperty": "ALIYUN::RDS::Instance::InstanceType",
      "AssociationPropertyMetadata": {
        "RegionId": "${RegionId}",
        "ZoneId": "${ZoneId}",
        "Engine": "MySQL"
      }
    }
  }
}

      YAML example:

      ROSTemplateFormatVersion: '2015-09-01'
Parameters:
  RegionId:
    Type: String
    AssociationProperty: ALIYUN::ECS::RegionId
  ZoneId:
    Type: String
    AssociationProperty: ZoneId
  InstanceType:
    Type: String
    AssociationProperty: ALIYUN::RDS::Instance::InstanceType
    AssociationPropertyMetadata:
      RegionId: ${RegionId}
      ZoneId: ${ZoneId}
      Engine: MySQL

    • Example explanation

      Setting AssociationProperty to ALIYUN::RDS::Instance::InstanceType with RegionId, Engine, and ZoneId as metadata populates a selector with available RDS instance types for the specified database engine and zone.