http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/UserProvidedkernels.html にある AKIを取得するための botocore スクリプト

gistfile1.py

def get_aki(region, architecture="x86_64", partitioned=True):
    import botocore.session
    session = botocore.session.get_session()
    ec2 = session.get_service('ec2')
    op = ec2.get_operation('DescribeImages') 
    code, data = op.call(
        ec2.get_endpoint(region), 
        filters=[
            {"name":"owner-alias", "values":["amazon"]},
            {"name":"image-type", "values":["kernel"]},
            {"name":"architecture", "values":[architecture]}
        ]
        )
    images =  data['imagesSet']
    suffix = '-hd00_' if partitioned else '-hd0_'
    last_one_location = sorted([im['imageLocation'] for im in images if im['imageLocation'].find('pv-grub{suffix}'.format(suffix=suffix)) != -1])[-1:][0]
    aki = [im['imageId'] for im in images if im['imageLocation'] == last_one_location][0]
    return aki