**** CubicPower OpenStack Study ****
def get_openstack_security_group_driver():
    if CONF.security_group_api.lower() == 'nova':
        return importutils.import_object(NOVA_DRIVER)
    elif CONF.security_group_api.lower() in ('neutron', 'quantum'):
        return importutils.import_object(NEUTRON_DRIVER)
    else:
        return importutils.import_object(CONF.security_group_api)
**** CubicPower OpenStack Study ****
def is_neutron_security_groups():
    return CONF.security_group_api.lower() in ('neutron', 'quantum')