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)