interface InstanceLifecyclePolicy

Language	Type name
.NET	Amazon.CDK.AWS.AutoScaling.InstanceLifecyclePolicy
Go	github.com/aws/aws-cdk-go/awscdk/v2/awsautoscaling#InstanceLifecyclePolicy
Java	software.amazon.awscdk.services.autoscaling.InstanceLifecyclePolicy
Python	aws_cdk.aws_autoscaling.InstanceLifecyclePolicy
TypeScript (source)	aws-cdk-lib » aws_autoscaling » InstanceLifecyclePolicy

Instance lifecycle policy for an Auto Scaling group.

Example

declare const vpc: ec2.Vpc;
declare const instanceType: ec2.InstanceType;
declare const machineImage: ec2.IMachineImage;

const asg = new autoscaling.AutoScalingGroup(this, 'ASG', {
  vpc,
  instanceType,
  machineImage,

  // Configure instance lifecycle policy
  instanceLifecyclePolicy: {
    retentionTriggers: {
      terminateHookAbandon: autoscaling.TerminateHookAbandonAction.RETAIN,
    },
  },
});

// Add termination lifecycle hook (required for the policy to take effect)
asg.addLifecycleHook('TerminationHook', {
  lifecycleTransition: autoscaling.LifecycleTransition.INSTANCE_TERMINATING,
});

Properties

Name	Type	Description
retentionTriggers?	RetentionTriggers	Retention triggers for the instance lifecycle policy.

---

retentionTriggers?

Type: RetentionTriggers (optional, default: No retention triggers configured)

Retention triggers for the instance lifecycle policy.