def unmap_volume(self, volume_id, host_name):
logger.debug("un-mapping volume : {0} from host : "
"{1}".format(volume_id, host_name))
vol_name = self._get_vol_by_wwn(volume_id)
cli_kwargs = {
'host': host_name,
'vdisk_id': vol_name
}
try:
self.client.svctask.rmvdiskhostmap(**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_MEET in ex.my_message:
raise controller_errors.HostNotFoundError(host_name)
if OBJ_NOT_FOUND in ex.my_message:
raise controller_errors.VolumeNotFoundError(vol_name)
if VOL_ALREADY_UNMAPPED in ex.my_message:
raise controller_errors.VolumeAlreadyUnmappedError(
vol_name)
raise controller_errors.UnMappingError(vol_name,
host_name, ex)
except Exception as ex:
logger.exception(ex)
raise ex
def _get_next_available_lun(self, host_name):
logger.debug(
"getting host mapping list for host :{0}".format(host_name))
try:
host_mapping_list = self.client.cmd.mapping_list(
host=host_name).as_list
except xcli_errors.HostBadNameError as ex:
logger.exception(ex)
raise controller_errors.HostNotFoundError(host_name)
luns_in_use = set(
[int(host_mapping.lun) for host_mapping in host_mapping_list])
logger.debug("luns in use : {0}".format(luns_in_use))
# try to use random lun number just in case there are many calls at the same time to reduce re-tries
all_available_luns = [
i for i in range(self.MIN_LUN_NUMBER, self.MAX_LUN_NUMBER + 1)
if i not in luns_in_use
]
if len(all_available_luns) == 0:
raise controller_errors.NoAvailableLunError(host_name)
index = randint(0, len(all_available_luns) - 1)
lun = all_available_luns[index]
logger.debug("next random available lun is : {0}".format(lun))
return 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_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 get_host_by_host_identifiers(self, initiators):
logger.debug(
"Getting host name for initiators : {0}".format(initiators))
detailed_hosts_list = self._get_detailed_hosts_list()
iscsi_host, fc_host = None, None
for host in detailed_hosts_list:
if initiators.is_array_iscsi_iqns_match(host.iscsi_names):
iscsi_host = host.name
logger.debug("found iscsi iqn in list : {0} for host : "
"{1}".format(initiators.iscsi_iqn, iscsi_host))
if initiators.is_array_wwns_match(host.wwns):
fc_host = host.name
logger.debug("found fc wwns in list : {0} for host : "
"{1}".format(initiators.fc_wwns, fc_host))
if iscsi_host and fc_host:
if iscsi_host == fc_host:
return fc_host, [
config.ISCSI_CONNECTIVITY_TYPE, config.FC_CONNECTIVITY_TYPE
]
raise array_errors.MultipleHostsFoundError(initiators, fc_host)
if iscsi_host:
logger.debug("found host : {0} with iqn : {1}".format(
iscsi_host, initiators.iscsi_iqn))
return iscsi_host, [config.ISCSI_CONNECTIVITY_TYPE]
if fc_host:
logger.debug("found host : {0} with fc wwn : {1}".format(
fc_host, initiators.fc_wwns))
return fc_host, [config.FC_CONNECTIVITY_TYPE]
logger.debug(
"can not found host by using initiators: {0} ".format(initiators))
raise array_errors.HostNotFoundError(initiators)
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 unmap_volume(self, volume_id, host_name):
logger.debug("Unmapping volume {} from host {}".format(
volume_id, host_name))
try:
mappings = self.client.get_host_mappings(host_name)
lunid = None
for mapping in mappings:
if mapping.volume == volume_id:
lunid = mapping.id
break
if lunid is not None:
self.client.unmap_volume_from_host(host_name=host_name,
lunid=lunid)
logger.debug(
"Successfully unmapped volume from host with lun {}.".
format(lunid))
else:
raise array_errors.ObjectNotFoundError(volume_id)
except exceptions.NotFound as ex:
if HOST_DOES_NOT_EXIST in str(ex.message).upper():
raise array_errors.HostNotFoundError(host_name)
if MAPPING_DOES_NOT_EXIST in str(ex.message).upper():
raise array_errors.VolumeAlreadyUnmappedError(volume_id)
except exceptions.ClientException as ex:
raise array_errors.UnmappingError(volume_id, host_name, ex.details)
def test_publish_volume_map_volume_excpetions(self, enter):
context = utils.FakeContext()
self.mediator.map_volume.side_effect = [
array_errors.PermissionDeniedError("msg")
]
enter.return_value = self.mediator
self.servicer.ControllerPublishVolume(self.request, context)
self.assertEqual(context.code, grpc.StatusCode.PERMISSION_DENIED)
self.mediator.map_volume.side_effect = [
array_errors.VolumeNotFoundError("vol")
]
enter.return_value = self.mediator
self.servicer.ControllerPublishVolume(self.request, context)
self.assertEqual(context.code, grpc.StatusCode.NOT_FOUND)
self.mediator.map_volume.side_effect = [
array_errors.HostNotFoundError("host")
]
enter.return_value = self.mediator
self.servicer.ControllerPublishVolume(self.request, context)
self.assertEqual(context.code, grpc.StatusCode.NOT_FOUND)
self.mediator.map_volume.side_effect = [
array_errors.MappingError("", "", "")
]
enter.return_value = self.mediator
self.servicer.ControllerPublishVolume(self.request, context)
self.assertEqual(context.code, grpc.StatusCode.INTERNAL)
def unmap_volume(self, volume_id, host_name):
logger.debug("un-mapping volume : {0} from host : {1}".format(
volume_id, host_name))
vol_name = self._get_object_name_by_wwn(volume_id)
try:
self.client.cmd.unmap_vol(host=host_name, vol=vol_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.OperationForbiddenForUserCategoryError as ex:
logger.exception(ex)
raise controller_errors.PermissionDeniedError(
"unmap volume : {0} from host : {1}".format(
volume_id, host_name))
except xcli_errors.CommandFailedRuntimeError as ex:
logger.exception(ex)
if UNDEFINED_MAPPING_ERROR in ex.status:
raise controller_errors.VolumeAlreadyUnmappedError(vol_name)
else:
raise controller_errors.UnMappingError(vol_name, host_name, ex)
def get_host_by_host_identifiers(self, initiators):
logger.debug("Getting host id for initiators : {0}".format(initiators))
matching_hosts_set = set()
port_types = []
host_list = self.client.cmd.host_list().as_list
for host in host_list:
host_iscsi_ports = string_to_array(host.iscsi_ports, ',')
host_fc_ports = string_to_array(host.fc_ports, ',')
if initiators.is_array_wwns_match(host_fc_ports):
matching_hosts_set.add(host.name)
logger.debug("found host : {0}, by fc port : {1}".format(
host.name, host_fc_ports))
port_types.append(FC_CONNECTIVITY_TYPE)
if initiators.is_array_iscsi_iqns_match(host_iscsi_ports):
matching_hosts_set.add(host.name)
logger.debug("found host : {0}, by iscsi port : {1}".format(
host.name, host_iscsi_ports))
port_types.append(ISCSI_CONNECTIVITY_TYPE)
matching_hosts = sorted(matching_hosts_set)
if not matching_hosts:
raise controller_errors.HostNotFoundError(initiators)
elif len(matching_hosts) > 1:
raise controller_errors.MultipleHostsFoundError(
initiators, matching_hosts)
return matching_hosts[0], port_types
def get_host_by_host_identifiers(self, initiators):
logger.debug("Getting host id for initiators : {0}".format(initiators))
host_list = self.client.svcinfo.lshost()
iscsi_host, fc_host = None, None
for host in host_list:
host_detail = self.client.svcinfo.lshost(
object_id=host.get('id', '')).as_single_element
iscsi_names = host_detail.get('iscsi_name', '')
wwns_value = host_detail.get('WWPN', [])
if not isinstance(wwns_value, list):
wwns_value = [wwns_value, ]
if initiators.is_array_iscsi_iqns_match([iscsi_names]):
iscsi_host = host_detail.get('name', '')
logger.debug("found iscsi iqn in list : {0} for host : "
"{1}".format(initiators.iscsi_iqn, iscsi_host))
if initiators.is_array_wwns_match(wwns_value):
fc_host = host_detail.get('name', '')
logger.debug("found fc wwns in list : {0} for host : "
"{1}".format(initiators.fc_wwns, fc_host))
if iscsi_host and fc_host:
if iscsi_host == fc_host:
return fc_host, [config.ISCSI_CONNECTIVITY_TYPE,
config.FC_CONNECTIVITY_TYPE]
else:
raise controller_errors.MultipleHostsFoundError(initiators, fc_host)
elif iscsi_host:
logger.debug("found host : {0} with iqn : {1}".format(iscsi_host, initiators.iscsi_iqn))
return iscsi_host, [config.ISCSI_CONNECTIVITY_TYPE]
elif fc_host:
logger.debug("found host : {0} with fc wwn : {1}".format(fc_host, initiators.fc_wwns))
return fc_host, [config.FC_CONNECTIVITY_TYPE]
else:
logger.debug("can not found host by using initiators: {0} ".format(initiators))
raise controller_errors.HostNotFoundError(initiators)
def _get_used_lun_ids_from_host(self, host_name):
logger.debug("getting used lun ids for host :{0}".format(host_name))
luns_in_use = set()
try:
for mapping in self.client.svcinfo.lshostvdiskmap(host=host_name):
luns_in_use.add(mapping.get('SCSI_id', ''))
except (svc_errors.CommandExecutionError, CLIFailureError) as ex:
logger.error(ex)
raise array_errors.HostNotFoundError(host_name)
logger.debug("The used lun ids for host :{0}".format(luns_in_use))
return luns_in_use
def get_node_id_info(node_id):
logger.debug("getting node info for node id : {0}".format(node_id))
split_node = node_id.split(config.PARAMETERS_NODE_ID_DELIMITER)
hostname, fc_wwns, iscsi_iqn = "", "", ""
if len(split_node) == config.SUPPORTED_CONNECTIVITY_TYPES + 1:
hostname, fc_wwns, iscsi_iqn = split_node
elif len(split_node) == 2:
hostname, fc_wwns = split_node
else:
raise array_errors.HostNotFoundError(node_id)
logger.debug("node name : {0}, iscsi_iqn : {1}, fc_wwns : {2} ".format(
hostname, iscsi_iqn, fc_wwns))
return hostname, fc_wwns, iscsi_iqn
def get_host_by_host_identifiers(self, initiators):
logger.debug("Getting host by initiators: {}".format(initiators))
found = ""
for host in self.client.get_hosts():
host_ports = host.host_ports_briefs
wwpns = [p["wwpn"] for p in host_ports]
if initiators.is_array_wwns_match(wwpns):
found = host.name
break
if found:
logger.debug("found host {0} with fc wwpns: {1}".format(found, initiators.fc_wwns))
return found, [config.FC_CONNECTIVITY_TYPE]
logger.debug("can not found host by initiators: {0} ".format(initiators))
raise array_errors.HostNotFoundError(initiators)
def map_volume(self, volume_id, host_name, connectivity_type):
logger.debug("Mapping volume {} to host {}".format(volume_id, host_name))
try:
mapping = self.client.map_volume_to_host(host_name, volume_id)
lun = scsilun_to_int(mapping.lunid)
logger.debug("Successfully mapped volume to host with lun {}".format(lun))
return lun
except exceptions.NotFound:
raise array_errors.HostNotFoundError(host_name)
except exceptions.ClientException as ex:
if ERROR_CODE_MAP_VOLUME_NOT_ENOUGH_EXTENTS in str(ex.message).upper():
raise array_errors.NoAvailableLunError(volume_id)
if ERROR_CODE_VOLUME_NOT_FOUND_FOR_MAPPING in str(ex.message).upper():
raise array_errors.ObjectNotFoundError(volume_id)
raise array_errors.MappingError(volume_id, host_name, ex.details)
def test_unpublish_volume_get_host_by_host_identifiers_exception(self, enter):
context = utils.FakeContext()
self.mediator.get_host_by_host_identifiers = Mock()
self.mediator.get_host_by_host_identifiers.side_effect = [array_errors.MultipleHostsFoundError("", "")]
enter.return_value = self.mediator
self.servicer.ControllerUnpublishVolume(self.request, context)
self.assertTrue("Multiple hosts" in context.details)
self.assertEqual(context.code, grpc.StatusCode.INTERNAL)
self.mediator.get_host_by_host_identifiers.side_effect = [array_errors.HostNotFoundError("")]
enter.return_value = self.mediator
self.servicer.ControllerUnpublishVolume(self.request, context)
self.assertEqual(context.code, grpc.StatusCode.NOT_FOUND)
def get_array_fc_wwns(self, host_name=None):
logger.debug("Getting the connected fc port wwpns for host {} from array".format(host_name))
try:
host = self.client.get_host(host_name)
wwpns = [port[LOGIN_PORT_WWPN] for port in host.login_ports if
port[LOGIN_PORT_STATE] == LOGIN_PORT_STATE_ONLINE]
logger.debug("Found wwpns: {}".format(wwpns))
return wwpns
except exceptions.NotFound:
raise array_errors.HostNotFoundError(host_name)
except exceptions.ClientException as ex:
logger.error(
"Failed to get array fc wwpn. Reason is: {}".format(ex.details)
)
raise ex
def get_node_id_info(node_id):
logger.debug("getting node info for node id : {0}".format(node_id))
split_node = node_id.split(config.PARAMETERS_NODE_ID_DELIMITER)
hostname, nvme_nqn, fc_wwns, iscsi_iqn = "", "", "", ""
if len(split_node) == 4:
hostname, nvme_nqn, fc_wwns, iscsi_iqn = split_node
elif len(split_node) == 3:
hostname, nvme_nqn, fc_wwns = split_node
elif len(split_node) == 2:
hostname, nvme_nqn = split_node
else:
raise array_errors.HostNotFoundError(node_id)
logger.debug(
"node name : {0}, nvme_nqn: {1}, fc_wwns : {2}, iscsi_iqn : {3} ".
format(hostname, nvme_nqn, fc_wwns, iscsi_iqn))
return hostname, nvme_nqn, fc_wwns, iscsi_iqn
def map_volume(self, volume_id, host_name):
logger.debug("Mapping volume {} to host {}".format(
volume_id, host_name))
try:
mapping = self.client.map_volume_to_host(host_name, volume_id)
lun = scsilun_to_int(mapping.lunid)
logger.debug(
"Successfully mapped volume to host with lun {}".format(lun))
return lun
except exceptions.NotFound:
raise array_errors.HostNotFoundError(host_name)
except exceptions.ClientException as ex:
# [BE586015] addLunMappings Volume group operation failure: volume does not exist.
if ERROR_CODE_VOLUME_NOT_FOUND_FOR_MAPPING in str(
ex.message).upper():
raise array_errors.ObjectNotFoundError(volume_id)
raise array_errors.MappingError(volume_id, host_name, ex.details)
def unmap_volume(self, volume_id, host_name):
logger.debug("Unmapping volume {} from host {}".format(
volume_id, host_name))
array_volume_id = get_volume_id_from_scsi_identifier(volume_id)
try:
mappings = self.client.get_host_mappings(host_name)
lunid = None
for mapping in mappings:
if mapping.volume == array_volume_id:
lunid = mapping.id
break
if lunid is not None:
self.client.unmap_volume_from_host(host_name=host_name,
lunid=lunid)
logger.debug(
"Successfully unmapped volume from host with lun {}.".
format(lunid))
else:
raise array_errors.VolumeNotFoundError(volume_id)
except exceptions.NotFound:
raise array_errors.HostNotFoundError(host_name)
except exceptions.ClientException as ex:
raise array_errors.UnMappingError(volume_id, host_name, ex.details)
