Glamdring

#! /usr/bin/env python

import sys
from boto import ec2, cloudformation
import boto.utils

def get_group_info(ec2conn, instance_id) :
    reservations = ec2conn.get_all_instances(instance_id)
    instance = [i for r in reservations for i in r.instances][0]
    if instance.tags.has_key('aws:autoscaling:groupName'):

Glamdring

        "PrivateSubnetA": {
            "Type": "AWS::EC2::Subnet",
            "Properties": {
                "AvailabilityZone": {
                    "Fn::Select": [
                        0,
                        {
                            "Fn::GetAZs": {
                                "Ref": "AWS::Region"