def map_volume(self, volume_id, host_name): logger.debug("mapping volume : {0} to host : " "{1}".format(volume_id, host_name)) vol_name = self._get_volume_name_by_wwn(volume_id) cli_kwargs = {'host': host_name, 'object_id': vol_name, 'force': True} try: lun = self.get_first_free_lun(host_name) cli_kwargs.update({'scsi': lun}) self.client.svctask.mkvdiskhostmap(**cli_kwargs) except (svc_errors.CommandExecutionError, CLIFailureError) as ex: if not is_warning_message(ex.my_message): logger.error(msg="Map volume {0} to host {1} failed. Reason " "is: {2}".format(vol_name, host_name, ex)) if NAME_NOT_EXIST_OR_MEET_RULES in ex.my_message: raise array_errors.HostNotFoundError(host_name) if SPECIFIED_OBJ_NOT_EXIST in ex.my_message: raise array_errors.ObjectNotFoundError(vol_name) if LUN_ALREADY_IN_USE in ex.my_message: raise array_errors.LunAlreadyInUseError(lun, host_name) raise array_errors.MappingError(vol_name, host_name, ex) except Exception as ex: logger.exception(ex) raise ex return str(lun)
def map_volume(self, volume_id, host_name): logger.debug("mapping volume : {0} to host : {1}".format( volume_id, host_name)) vol_name = self._get_object_name_by_wwn(volume_id) lun = self._get_next_available_lun(host_name) try: self.client.cmd.map_vol(host=host_name, vol=vol_name, lun=lun) except xcli_errors.OperationForbiddenForUserCategoryError as ex: logger.exception(ex) raise controller_errors.PermissionDeniedError( "map volume : {0} to host : {1}".format(volume_id, host_name)) except xcli_errors.VolumeBadNameError as ex: logger.exception(ex) raise controller_errors.ObjectNotFoundError(vol_name) except xcli_errors.HostBadNameError as ex: logger.exception(ex) raise controller_errors.HostNotFoundError(host_name) except xcli_errors.CommandFailedRuntimeError as ex: logger.exception(ex) if LUN_IS_ALREADY_IN_USE_ERROR in ex.status: raise controller_errors.LunAlreadyInUseError(lun, host_name) else: raise controller_errors.MappingError(vol_name, host_name, ex) return str(lun)
def test_publish_volume_map_volume_lun_already_in_use(self, enter): context = utils.FakeContext() self.mediator.map_volume.side_effect = [ array_errors.LunAlreadyInUseError("", ""), 2 ] self.mediator.map_volume.get_array_iqns.return_value = "array-iqn" enter.return_value = self.mediator res = self.servicer.ControllerPublishVolume(self.request, context) self.assertEqual(context.code, grpc.StatusCode.OK) self.assertEqual(res.publish_context["PUBLISH_CONTEXT_LUN"], '2') self.assertEqual(res.publish_context["PUBLISH_CONTEXT_CONNECTIVITY"], "iscsi") self.mediator.map_volume.side_effect = [ array_errors.LunAlreadyInUseError("", ""), 2 ] self.mediator.get_host_by_host_identifiers = Mock() self.mediator.get_host_by_host_identifiers.return_value = self.hostname, [ "fc" ] self.mediator.get_array_fc_wwns = Mock() self.mediator.get_array_fc_wwns.return_value = ["500143802426baf4"] enter.return_value = self.mediator res = self.servicer.ControllerPublishVolume(self.request, context) self.assertEqual(context.code, grpc.StatusCode.OK) self.assertEqual(res.publish_context["PUBLISH_CONTEXT_LUN"], '2') self.assertEqual(res.publish_context["PUBLISH_CONTEXT_CONNECTIVITY"], "fc") self.mediator.map_volume.side_effect = [ array_errors.LunAlreadyInUseError("", ""), array_errors.LunAlreadyInUseError("", ""), 2 ] enter.return_value = self.mediator self.servicer.ControllerPublishVolume(self.request, context) self.assertEqual(context.code, grpc.StatusCode.OK) self.assertEqual(res.publish_context["PUBLISH_CONTEXT_LUN"], '2') self.assertEqual(res.publish_context["PUBLISH_CONTEXT_CONNECTIVITY"], "fc") self.mediator.map_volume.side_effect = [ array_errors.LunAlreadyInUseError("", "") ] * (self.mediator.max_lun_retries + 1) enter.return_value = self.mediator self.servicer.ControllerPublishVolume(self.request, context) self.assertEqual(context.code, grpc.StatusCode.RESOURCE_EXHAUSTED)