zips into db_backups_dir and uploads to bucket_name/s3_folder
    fab -f ./fabfile.py backup_dbs

def backup():
    """
    zips into db_backups_dir and uploads to bucket_name/s3_folder
    fab -f ./fabfile.py backup_dbs
    """

    args = parser.parse_args()

    s3_backup_dir(
        args.datadir,
        args.aws_access_key_id,
        args.aws_secret_access_key,
        args.bucket_name,
        args.zip_backups_dir, args.backup_aging_time, args.s3_folder, args.project)