def disconnect_disk_from_mgmt(self, vios_uuid, disk_name):
"""Disconnect a disk from the management partition.
:param vios_uuid: The UUID of the Virtual I/O Server serving the
mapping.
:param disk_name: The name of the disk to unmap.
"""
tsk_map.remove_lu_mapping(self.adapter, vios_uuid, self.mp_uuid,
disk_names=[disk_name])
LOG.info("Unmapped boot disk %(disk_name)s from the management "
"partition from Virtual I/O Server %(vios_uuid)s.",
{'disk_name': disk_name, 'mp_uuid': self.mp_uuid,
'vios_uuid': vios_uuid})
def disconnect_disk_from_mgmt(self, vios_uuid, disk_name):
"""Disconnect a disk from the management partition.
:param vios_uuid: The UUID of the Virtual I/O Server serving the
mapping.
:param disk_name: The name of the disk to unmap.
"""
tsk_map.remove_lu_mapping(self.adapter, vios_uuid, self.mp_uuid,
disk_names=[disk_name])
LOG.info(_LI(
"Unmapped boot disk %(disk_name)s from the management partition "
"from Virtual I/O Server %(vios_uuid)s."), {
'disk_name': disk_name, 'mp_uuid': self.mp_uuid,
'vios_uuid': vios_uuid})
def disconnect_image_disk(self, context, instance, lpar_uuid,
disk_type=None):
"""Disconnects the storage adapters from the image disk.
:param context: nova context for operation
:param instance: instance to disconnect the image for.
:param lpar_uuid: The UUID for the pypowervm LPAR element.
:param disk_type: The list of disk types to remove or None which means
to remove all disks from the VM.
:return: A list of all the backing storage elements that were
disconnected from the I/O Server and VM.
"""
lpar_qps = vm.get_vm_qp(self.adapter, lpar_uuid)
lpar_id = lpar_qps['PartitionID']
host_uuid = pvm_u.get_req_path_uuid(
lpar_qps['AssociatedManagedSystem'], preserve_case=True)
lu_set = set()
# The mappings will normally be the same on all VIOSes, unless a VIOS
# was down when a disk was added. So for the return value, we need to
# collect the union of all relevant mappings from all VIOSes.
for vios_uuid in self._vios_uuids(host_uuid=host_uuid):
for lu in tsk_map.remove_lu_mapping(
self.adapter, vios_uuid, lpar_id, disk_prefixes=disk_type):
lu_set.add(lu)
return list(lu_set)
def _test_remove_storage_lu(self, *args, **kwargs):
# Mock Data
self.adpt.read.return_value = self.v1resp
# Validate that the mapping was removed from existing
def validate_update(*kargs, **kwa):
vios_w = kargs[0]
self.assertEqual(4, len(vios_w.scsi_mappings))
return vios_w.entry
self.adpt.update_by_path.side_effect = validate_update
# Run the code
vios, remel = scsi_mapper.remove_lu_mapping(*args, **kwargs)
# Make sure that our validation code above was invoked
self.assertEqual(1, self.adpt.update_by_path.call_count)
self.assertEqual(1, len(remel))
self.assertIsInstance(remel[0], pvm_stor.LU)
self.assertEqual(self.v1resp.atom, vios.entry)
def test_remove_storage_lu(self):
# Mock Data
self.adpt.read.return_value = tju.load_file(VIO_MULTI_MAP_FILE,
self.adpt)
# Validate that the mapping was removed from existing
def validate_update(*kargs, **kwargs):
vios_w = kargs[0]
self.assertEqual(4, len(vios_w.scsi_mappings))
return vios_w.entry
self.adpt.update_by_path.side_effect = validate_update
# Run the code
vios, remel = scsi_mapper.remove_lu_mapping(
self.adpt, 'fake_vios_uuid', 2)
# Make sure that our validation code above was invoked
self.assertEqual(1, self.adpt.update_by_path.call_count)
self.assertEqual(1, len(remel))
self.assertIsInstance(remel[0], pvm_stor.LU)
