Verify the default instance warmup for a group

To verify the default instance warmup for an Auto Scaling group (Amazon CLI)

Use the following describe-auto-scaling-groups command. Replace my-asg with the name of your Auto Scaling group.

aws autoscaling describe-auto-scaling-groups --auto-scaling-group-name my-asg

The following is an example response.

{
    "AutoScalingGroups": [
        {
            "AutoScalingGroupName": "my-asg",
            "AutoScalingGroupARN": "arn",
            ...
            "DefaultInstanceWarmup": 120
        }
    ]
}