asg_restart_terminate

$ for name in \
> $(aws autoscaling describe-auto-scaling-groups --auto-scaling-group-names vpc-web-asg --query 'AutoScalingGroups[*].Instances[*].{instance:InstanceId}' --output text); \
> do \
> aws autoscaling terminate-instance-in-auto-scaling-group --instance-id $name --no-should-decrement-desired-capacity;\
> done
{
    "Activity": {
        "Description": "Terminating EC2 instance: i-0c48b6df",
        "ActivityId": "aad0f260-dbd1-42c0-9320-7f1b07ff1a23",
        "Details": "{\"Availability Zone\":\"us-east-1b\",\"Subnet ID\":\"subnet-67f89410\"}",
        "StartTime": "2015-06-22T13:24:25.454Z",
        "Progress": 0,
        "Cause": "At 2015-06-22T13:24:25Z instance i-0c48b6df was taken out of service in response to a user request.",
        "StatusCode": "InProgress"
    }
}
{
    "Activity": {
        "Description": "Terminating EC2 instance: i-147564eb",
        "ActivityId": "275ff164-e430-4259-80d3-89cc1b0674d3",
        "Details": "{\"Availability Zone\":\"us-east-1c\",\"Subnet ID\":\"subnet-ed0677b4\"}",
        "StartTime": "2015-06-22T13:24:26.774Z",
        "Progress": 0,
        "Cause": "At 2015-06-22T13:24:26Z instance i-147564eb was taken out of service in response to a user request.",
        "StatusCode": "InProgress"
    }
}
{
    "Activity": {
        "Description": "Terminating EC2 instance: i-acf15e45",
        "ActivityId": "d406b4ba-d916-4ea7-a24f-bce910b08794",
        "Details": "{\"Availability Zone\":\"us-east-1e\",\"Subnet ID\":\"subnet-ccc1ccf6\"}",
        "StartTime": "2015-06-22T13:24:28.072Z",
        "Progress": 0,
        "Cause": "At 2015-06-22T13:24:28Z instance i-acf15e45 was taken out of service in response to a user request.",
        "StatusCode": "InProgress"
    }
}