ALIYUN::ESS::ScalingGroup - Resource Types| Alibaba Cloud Documentation Center

The ALIYUN::ESS::ScalingGroup type can be used to create a scaling group.

Syntax

{
   "Type" : "ALIYUN::ESS::ScalingGroup",
   "Properties" : {
         "VpcId" : String,
         "ScalingGroupName" : String,
         "RemovalPolicys" : List,
         "MinSize" : Integer,
         "MaxSize" : Integer,
         "VSwitchId" : String,
         "LoadBalancerIds" : List
         "DefaultCooldown" : Integer,
         "DBInstanceIds" : List
   }
}

Attributes

Attribute name	Type	Required	Update allowed	Description	Constraint
MinSize	integer	Yes	No	Minimum number of ECS instances in the scaling group	Value range: [0, 100]
MaxSize	integer	Yes	No	Maximum number of ECS instances in the scaling group	Value range: [0, 100]
VpcId	string	No	No	VPC ID	N/A
ScalingGroupName	string	No	No	Displayed name of the scaling group	The name is a string of 2 to 40 Chinese characters or English letters. It must start with a digit, an uppercase/lowercase letter, or a Chinese character, and can contain digits, English letters, Chinese characters, underscores(_), periods(.), and hyphens(-). The name must be unique. If this parameter is not specified, the default value is ScalingGroupId
RemovalPolicies	list	No	No	Policy for removing ECS instances from the scaling group	Value options: OldestInstance: removes the first ECS instance attached to the scaling group NewestInstance: removes the latest ECS instance attached to the scaling group OldestScalingConfiguration: removes the ECS instance with the oldest scaling configuration Default value options: OldestScalingConfiguration and OldestInstance. You can specify up to two removal policies
VSwitchId	string	No	No	ID of the VSwitch in VPC	N/A
LoadBalancerIds	list	No	No	ID of a Server Load Balancer instance	N/A
DefaultCooldown	integer	No	No	Default cool-down time of the scaling group	Value range: [0, 86400], in seconds. The default value is 300 seconds
DBInstanceIds	list	No	No	ID of an ApsaraDB for RDS instance	N/A

Return values

Fn::GetAtt

ScalingGroupId: ID of the scaling group, which is generated by the system and is globally unique.

Example

{
  "ROSTemplateFormatVersion" : "2015-09-01",
  "Resources" : {
    "ScalingGroup": {
      "Type": "ALIYUN::ESS::ScalingGroup",
      "Properties": {
        "MaxSize": 1,
        "MinSize": 1,
        # "ScalingGroupName": "HeatCreatedReal2",
        # "DefaultCooldown": 500,
        # "RemovalPolicy_1": "",
        # "RemovalPolicy_2": "",
      }
    }
  },
  "Outputs": {
    "ScalingGroup": {
         "Value" : {"Fn::GetAtt": ["ScalingGroup", "ScalingGroupId"]}
    }
  }
}