**** CubicPower OpenStack Study ****
def standard_extensions(ext_mgr):
    extensions.load_standard_extensions(ext_mgr, LOG, __path__, __package__)
**** CubicPower OpenStack Study ****
def select_extensions(ext_mgr):
    extensions.load_standard_extensions(ext_mgr, LOG, __path__, __package__,
                                        CONF.osapi_volume_ext_list)