argparse example

iscsictl.py

if __name__ == '__main__':
    parser = argparse.ArgumentParser(description='Help iSCSI deployment.')
    parser.add_argument('-s', '--service', choices=['target', 'initiator'],
                        default=None,
                        help='type of service deployment')
    parser.add_argument('-o', '--host', default=None,
                        help='Host address for the machine to configure')
    parser.add_argument('-t', '--target_host', default=None,
                        help='Host address where the initiator search the target')
    parser.add_argument('-d', '--device', default='/dev/loop0',
                        help='Device for the target (/dev/loop0)')
    parser.add_argument('--id', default='id01',
                        help='Suffix ID for the iSCSI name')
    parser.add_argument('--test', action='store_true', default=False,
                        help='Test the code against a local mkcloud installation')
    args = parser.parse_args()