Use dynamic parameters in the ROS console

Sample template

This sample template shows how to configure dynamic parameters. Complete the template by adding the resources you want to create.

In this example, the AssociationProperty attribute retrieves a list of available resources in the selected region. The AssociationPropertyMetadata attribute filters the list of values for specific parameters.

Parameters:
  ZoneId:
    AssociationProperty: ALIYUN::ECS::Instance::ZoneId
    Type: String
    Description:
      en: The ID of the availability zone.<br><b>Note: <font color='blue'>Before you select an availability zone, make sure that it supports the instance type that you want to use. We recommend that you select an availability zone that is different from the one where your vSwitch resides.</font></b>
    Label:
      en: VSwitch Availability Zone
  VPC:
    AssociationProperty: ALIYUN::ECS::VPC::VPCId
    Type: String
    Description:
      en: The ID of an existing Virtual Private Cloud (VPC). You can find the ID in the VPC console.
    Label:
      en: Existing VPC Instance ID
  VSwitch:
    AssociationProperty: ALIYUN::ECS::VSwitch::VSwitchId
    Type: String
    Description:
      en: The ID of an existing vSwitch. You can find the ID on the vSwitches page of the VPC console.
    Label:
      en: VSwitch ID
    AssociationPropertyMetadata:
      ZoneId: ZoneId
      VpcId: VPC
  SecurityGroup:
    Type: String
    Description:
      en: The ID of an existing security group. You can find the ID by navigating to Network & Security > Security Groups in the Elastic Compute Service (ECS) console.
    Label:
      en: Business Security Group ID
    AssociationProperty: ALIYUN::ECS::SecurityGroup::SecurityGroupId
    AssociationPropertyMetadata:
      VpcId: VPC
  InstanceType:
    AssociationProperty: ALIYUN::ECS::Instance::InstanceType
    AssociationPropertyMetadata:
      ZoneId: ZoneId
    Label:
      en: Instance Type
    Type: String
    Description:
      en: <font color='blue'><b>1. Before you select an instance type, make sure that it is available in the selected availability zone. Some instance types may require prior approval.</b></font><br><font color='blue'><b>2. Sample instance types:</font></b></font>[ecs.c5.large: <font color='green'>2 vCPU, 4 GiB Memory, 1 Gbps Bandwidth, 300,000 PPS</font>]<br></b>[ecs.c5.xlarge: <font color='green'>4 vCPU, 8 GiB Memory, 1.5 Gbps Bandwidth, 500,000 PPS</font>]<br></b>[ecs.c5.2xlarge: <font color='green'>8 vCPU, 16 GiB Memory, 2.5 Gbps Bandwidth, 800,000 PPS</font>]

Parameters

• VPC: The ID of a Virtual Private Cloud (VPC) in the selected region.

• ZoneId: The ID of an availability zone in the selected region.

• VSwitch: The ID of a vSwitch in the selected availability zone and VPC.

• SecurityGroup: The ID of a security group in the selected VPC.

• InstanceType: An Elastic Compute Service (ECS) instance type in the selected availability zone.

Console parameters

When you use this template to create a stack, the ROS console dynamically populates the parameter fields with existing resources from your Alibaba Cloud account.