AWS::AutoScaling::AutoScalingGroup LaunchTemplate

LaunchTemplate is a subproperty of MixedInstancesPolicy that describes a launch template and overrides. The overrides are used to override the instance type specified by the launch template with multiple instance types that can be used to launch On-Demand Instances and Spot Instances.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "LaunchTemplateSpecification" : LaunchTemplateSpecification,
  "Overrides" : [ LaunchTemplateOverrides, ... ]
}

YAML

  LaunchTemplateSpecification: 
    LaunchTemplateSpecification
  Overrides: 
    - LaunchTemplateOverrides

Properties

LaunchTemplateSpecification

The EC2 launch template to use.

Required: Yes

Type: LaunchTemplateSpecification

Update requires: No interruption

Overrides

Any properties that you specify override the same properties in the launch template. The maximum number of instance types that can be associated with an Auto Scaling group is 40. The maximum number of distinct launch templates you can define for an Auto Scaling group is 20. For more information about configuring overrides, see Configuring overrides in the Amazon EC2 Auto Scaling User Guide.

If not provided, Amazon EC2 Auto Scaling will use the instance type specified in the launch template to launch instances.

Required: No

Type: List of LaunchTemplateOverrides

Update requires: No interruption