This is the new CloudFormation Template Reference Guide. Please update your bookmarks and links. For help getting started with CloudFormation, see the AWS CloudFormation User Guide.
AWS::AutoScaling::AutoScalingGroup InstanceLifecyclePolicy
The instance lifecycle policy for the Auto Scaling group. This policy controls instance behavior when an instance
transitions through its lifecycle states. Configure retention triggers to specify when instances should
move to a Retained state instead of automatic termination.
For more information, see Control instance retention with instance lifecycle policies in the Amazon EC2 Auto Scaling User Guide.
Syntax
To declare this entity in your CloudFormation template, use the following syntax:
JSON
{ "RetentionTriggers" :RetentionTriggers}
Properties
RetentionTriggers-
Specifies the conditions that trigger instance retention behavior. These triggers determine when instances should move to a
Retainedstate instead of automatic termination. This allows you to maintain control over instance management when lifecycles transition and operations fail.Required: No
Type: RetentionTriggers
Update requires: No interruption
