template = {
    "AWSTemplateFormatVersion": "2010-09-09",
    "Description": "VPC ENI Test CloudFormation",
    "Resources": {
        "ENI": {
            "Type": "AWS::EC2::NetworkInterface",
            "Properties": {"SubnetId": {"Ref": "Subnet"}},
        },
        "Subnet": {
            "Type": "AWS::EC2::Subnet",
            "Properties": {
                "AvailabilityZone": "us-east-1a",
                "VpcId": {"Ref": "VPC"},
                "CidrBlock": "10.0.0.0/24",
            },
        },
        "VPC": {"Type": "AWS::EC2::VPC", "Properties": {"CidrBlock": "10.0.0.0/16"}},
    },
    "Outputs": {
        "NinjaENI": {
            "Description": "Elastic IP mapping to Auto-Scaling Group",
            "Value": {"Ref": "ENI"},
        },
        "ENIIpAddress": {
            "Description": "ENI's Private IP address",
            "Value": {"Fn::GetAtt": ["ENI", "PrimaryPrivateIpAddress"]},
        },
    },
}
