def get_volume(self, name, volume_context=None, volume_prefix=""):
logger.debug("Getting volume {} under context {}".format(
name, volume_context))
if not volume_context:
logger.error(
"volume_context is not specified, can not get volumes from storage."
)
raise array_errors.VolumeNotFoundError(name)
volume_candidates = []
if config.CONTEXT_POOL in volume_context:
try:
volume_candidates = self.client.get_volumes_by_pool(
volume_context[config.CONTEXT_POOL])
except exceptions.NotFound as ex:
if ERROR_CODE_RESOURCE_NOT_EXISTS in str(ex.message).upper():
raise array_errors.PoolDoesNotExist(
volume_context[config.CONTEXT_POOL], self.identifier)
else:
raise ex
for vol in volume_candidates:
if vol.name == shorten_volume_name(name, volume_prefix):
logger.debug("Found volume: {}".format(vol))
return self._generate_volume_response(vol)
raise array_errors.VolumeNotFoundError(name)
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 map_volume(self, volume_id, host_name):
logger.debug("mapping volume : {0} to host : {1}".format(
volume_id, host_name))
vol_name = self._get_vol_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.VolumeNotFoundError(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" 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_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 copy_to_existing_volume_from_snapshot(self, name, src_snap_name, src_snap_capacity_in_bytes,
min_vol_size_in_bytes, pool=None):
logger.debug(
"Copy snapshot {0} data to volume {1}. Snapshot capacity {2}. Minimal requested volume capacity {3}".format(
name, src_snap_name, src_snap_capacity_in_bytes, min_vol_size_in_bytes))
try:
logger.debug("Formatting volume {0}".format(name))
self.client.cmd.vol_format(vol=name)
logger.debug("Copying Snapshot {0} data to volume {1}.".format(name, src_snap_name))
self.client.cmd.vol_copy(vol_src=src_snap_name, vol_trg=name)
if min_vol_size_in_bytes > src_snap_capacity_in_bytes:
min_vol_size_in_blocks = self._convert_size_bytes_to_blocks(min_vol_size_in_bytes)
logger.debug(
"Increasing volume {0} size to {1} blocks.".format(name, min_vol_size_in_blocks))
self.client.cmd.vol_resize(vol=name, size_blocks=min_vol_size_in_blocks)
except xcli_errors.IllegalNameForObjectError as ex:
logger.exception(ex)
raise controller_errors.IllegalObjectName(ex.status)
except xcli_errors.SourceVolumeBadNameError as ex:
logger.exception(ex)
raise controller_errors.SnapshotNotFoundError(src_snap_name)
except (xcli_errors.VolumeBadNameError, xcli_errors.TargetVolumeBadNameError) as ex:
logger.exception(ex)
raise controller_errors.VolumeNotFoundError(name)
except xcli_errors.OperationForbiddenForUserCategoryError as ex:
logger.exception(ex)
raise controller_errors.PermissionDeniedError("create vol : {0}".format(name))
def get_volume(self, name, volume_context=None, volume_prefix=""):
logger.debug("Getting volume {} under context {}".format(
name, volume_context))
if not volume_context:
logger.error(
"volume_context is not specified, can not get volumes from storage."
)
raise array_errors.VolumeNotFoundError(name)
api_volume = self._get_api_volume_by_name(
volume_name=name, pool_id=volume_context[config.CONTEXT_POOL])
if api_volume:
return self._generate_volume_response(api_volume)
raise array_errors.VolumeNotFoundError(name)
def _create_flashcopy(self,
source_volume_id,
target_volume_id,
options=None):
logger.info(
"creating FlashCopy relationship from '{0}' to '{1}'".format(
source_volume_id, target_volume_id))
source_volume_id = get_volume_id_from_scsi_identifier(source_volume_id)
target_volume_id = get_volume_id_from_scsi_identifier(target_volume_id)
if not options:
options = []
options.append(FLASHCOPY_PERMIT_SPACE_EFFICIENT_TARGET)
try:
api_flashcopy = self.client.create_flashcopy(
source_volume_id=source_volume_id,
target_volume_id=target_volume_id,
options=options)
except (exceptions.ClientError, exceptions.ClientException) as ex:
if ERROR_CODE_ALREADY_FLASHCOPY in str(ex.message).upper():
raise array_errors.SnapshotAlreadyExists(
target_volume_id, self.service_address)
elif ERROR_CODE_VOLUME_NOT_FOUND_OR_ALREADY_PART_OF_CS_RELATIONSHIP in str(
ex.message).upper():
raise array_errors.VolumeNotFoundError('{} or {}'.format(
source_volume_id, target_volume_id))
else:
raise ex
if not self.validate_flashcopy(api_flashcopy.id):
self._delete_flashcopy(api_flashcopy.id)
logger.info("Flashcopy is not in a valid state")
raise ValueError
return self._get_api_volume_by_id(target_volume_id)
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)
try:
self.client.cmd.unmap_vol(host=host_name, vol=vol_name)
except xcli_errors.VolumeBadNameError as ex:
logger.exception(ex)
raise controller_errors.VolumeNotFoundError(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 "The requested mapping is not defined" in ex.status:
raise controller_errors.VolumeAlreadyUnmappedError(vol_name)
else:
raise controller_errors.UnMappingError(vol_name, host_name, ex)
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_vol_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_MEET in ex.my_message:
raise controller_errors.HostNotFoundError(host_name)
if SPECIFIED_OBJ_NOT_EXIST in ex.my_message:
raise controller_errors.VolumeNotFoundError(vol_name)
if VOL_ALREADY_MAPPED in ex.my_message:
raise controller_errors.LunAlreadyInUseError(
lun, host_name)
raise controller_errors.MappingError(vol_name, host_name, ex)
except Exception as ex:
logger.exception(ex)
raise ex
return str(lun)
def setUp(self, connect):
self.fqdn = "fqdn"
self.mediator = XIVArrayMediator("user", "password", self.fqdn)
self.mediator.client = Mock()
self.mediator.get_volume = Mock()
self.mediator.get_volume.side_effect = [
array_errors.VolumeNotFoundError("vol")
]
self.servicer = ControllerServicer(self.fqdn)
self.request = Mock()
caps = Mock()
caps.mount = Mock()
caps.mount.fs_type = "ext4"
access_types = csi_pb2.VolumeCapability.AccessMode
caps.access_mode.mode = access_types.SINGLE_NODE_WRITER
self.request.volume_capabilities = [caps]
self.pool = 'pool1'
self.request.secrets = {
"username": "******",
"password": "******",
"management_address": "mg"
}
self.request.parameters = {"pool": self.pool}
self.capacity_bytes = 10
self.request.capacity_range.required_bytes = self.capacity_bytes
self.request.name = vol_name
def _get_api_volume_by_id(self, volume_id, not_exist_err=True):
try:
volume = self.client.get_volume(volume_id)
volume.flashcopy = self.get_flashcopies_by_volume(volume.id)
return volume
except exceptions.NotFound:
if not_exist_err:
raise array_errors.VolumeNotFoundError(volume_id)
def _get_vol_by_wwn(self, volume_id):
vol_by_wwn = self.client.cmd.vol_list(wwn=volume_id).as_single_element
if not vol_by_wwn:
raise controller_errors.VolumeNotFoundError(volume_id)
vol_name = vol_by_wwn.name
logger.debug("found volume name : {0}".format(vol_name))
return vol_name
def _get_cli_volume(self, volume_name_or_id, not_exist_err=True):
try:
cli_volume = self.client.svcinfo.lsvdisk(
bytes=True, object_id=volume_name_or_id).as_single_element
if not cli_volume and not_exist_err:
raise controller_errors.VolumeNotFoundError(volume_name_or_id)
return cli_volume
except (svc_errors.CommandExecutionError, CLIFailureError) as ex:
if not is_warning_message(ex.my_message):
if (OBJ_NOT_FOUND in ex.my_message
or NAME_NOT_MEET in ex.my_message):
logger.info("volume not found")
if not_exist_err:
raise controller_errors.VolumeNotFoundError(
volume_name_or_id)
except Exception as ex:
logger.exception(ex)
raise ex
def _delete_flashcopy(self, flascopy_id):
try:
self.client.delete_flashcopy(flascopy_id)
except exceptions.NotFound:
raise array_errors.VolumeNotFoundError(flascopy_id)
except exceptions.ClientException as ex:
logger.error(
"Failed to delete flascopy {} on array {}, reason is: {}".
format(flascopy_id, self.identifier, ex.details))
raise ex
def _get_vol_by_wwn(self, volume_id):
filter_value = 'vdisk_UID=' + volume_id
vol_by_wwn = self.client.svcinfo.lsvdisk(
filtervalue=filter_value).as_single_element
if not vol_by_wwn:
raise controller_errors.VolumeNotFoundError(volume_id)
vol_name = vol_by_wwn.name
logger.debug("found volume name : {0}".format(vol_name))
return vol_name
def get_volume(self, volume_name, volume_context=None, volume_prefix=""):
logger.debug("Get volume : {}".format(volume_name))
cli_volume = None
try:
cli_volume = self.client.svcinfo.lsvdisk(
bytes=True, object_id=volume_name).as_single_element
except (svc_errors.CommandExecutionError, CLIFailureError) as ex:
if not is_warning_message(ex.my_message):
if (OBJ_NOT_FOUND in ex.my_message
or NAME_NOT_MEET in ex.my_message):
logger.error("Volume not found")
raise controller_errors.VolumeNotFoundError(volume_name)
except Exception as ex:
logger.exception(ex)
raise ex
if not cli_volume:
raise controller_errors.VolumeNotFoundError(volume_name)
logger.debug("cli volume returned : {}".format(cli_volume))
return self._generate_volume_response(cli_volume)
def get_volume_name(self, volume_id):
logger.debug("Searching for volume with id: {0}".format(volume_id))
volume_id = get_volume_id_from_scsi_identifier(volume_id)
try:
api_volume = self.client.get_volume(volume_id)
except exceptions.NotFound:
raise array_errors.VolumeNotFoundError(volume_id)
vol_name = api_volume.name
logger.debug("found volume name : {0}".format(vol_name))
return vol_name
def delete_volume(self, volume_id):
logger.info("Deleting volume {}".format(volume_id))
try:
self.client.delete_volume(
volume_id=get_volume_id_from_scsi_identifier(volume_id))
logger.info("Finished deleting volume {}".format(volume_id))
except exceptions.NotFound:
raise array_errors.VolumeNotFoundError(volume_id)
except exceptions.ClientException as ex:
logger.error(
"Failed to delete volume {} on array {}, reason is: {}".format(
volume_id, self.identifier, ex.details))
raise array_errors.VolumeDeletionError(volume_id)
def delete_volume(self, volume_id):
logger.info("Deleting volume with id : {0}".format(volume_id))
vol_name = self._get_vol_by_wwn(volume_id)
try:
self.client.cmd.vol_delete(vol=vol_name)
except xcli_errors.VolumeBadNameError as ex:
logger.exception(ex)
raise controller_errors.VolumeNotFoundError(vol_name)
except xcli_errors.OperationForbiddenForUserCategoryError as ex:
logger.exception(ex)
raise controller_errors.PermissionDeniedError("delete vol : {0}".format(vol_name))
logger.info("Finished volume deletion. id : {0}".format(volume_id))
def get_volume(self, vol_name):
logger.debug("Get volume : {}".format(vol_name))
try:
cli_volume = self.client.cmd.vol_list(
vol=vol_name).as_single_element
except xcli_errors.IllegalNameForObjectError as ex:
logger.exception(ex)
raise controller_errors.IllegalObjectName(ex.status)
logger.debug("cli volume returned : {}".format(cli_volume))
if not cli_volume:
raise controller_errors.VolumeNotFoundError(vol_name)
array_vol = self._generate_volume_response(cli_volume)
return array_vol
def get_volume_mappings(self, volume_id):
logger.debug("Getting volume mappings for volume id : "
"{0}".format(volume_id))
vol_name = self._get_vol_by_wwn(volume_id)
logger.debug("vol name : {0}".format(vol_name))
try:
mapping_list = self.client.svcinfo.lsvdiskhostmap(vdisk_name=vol_name)
res = {}
for mapping in mapping_list:
logger.debug("mapping for vol is :{0}".format(mapping))
res[mapping.get('host_name', '')] = mapping.get('SCSI_id', '')
except(svc_errors.CommandExecutionError, CLIFailureError) as ex:
logger.error(ex)
raise controller_errors.VolumeNotFoundError(volume_id)
return res
def _create_similar_volume(self, target_volume_name, source_volume_name,
pool_id):
logger.info(
"creating target api volume '{0}' from source volume '{1}'".format(
target_volume_name, source_volume_name))
source_api_volume = self._get_api_volume_by_name(source_volume_name,
pool_id=pool_id)
if not source_api_volume:
raise array_errors.VolumeNotFoundError(source_volume_name)
capabilities = {
config.CAPABILITIES_SPACEEFFICIENCY: source_api_volume.tp
}
size_in_bytes = int(source_api_volume.cap)
pool = source_api_volume.pool
return self.create_volume(target_volume_name, size_in_bytes,
capabilities, pool)
def _delete_volume_by_name(self, volume_name, not_exist_err=True):
logger.info("deleting volume with name : {0}".format(volume_name))
try:
self.client.svctask.rmvolume(vdisk_id=volume_name)
except (svc_errors.CommandExecutionError, CLIFailureError) as ex:
if not is_warning_message(ex.my_message):
logger.warning(
"Failed to delete volume {}".format(volume_name))
if (OBJ_NOT_FOUND in ex.my_message
or VOL_NOT_FOUND in ex.my_message) and not_exist_err:
raise controller_errors.VolumeNotFoundError(volume_name)
else:
raise ex
except Exception as ex:
logger.exception(ex)
raise ex
def get_volume(self, volume_name, volume_context=None, volume_prefix=""):
logger.debug("Get volume : {}".format(volume_name))
try:
cli_volume = self.client.cmd.vol_list(vol=volume_name).as_single_element
except xcli_errors.IllegalNameForObjectError as ex:
logger.exception(ex)
raise controller_errors.IllegalObjectName(ex.status)
logger.debug("cli volume returned : {}".format(cli_volume))
if not cli_volume:
raise controller_errors.VolumeNotFoundError(volume_name)
if cli_volume.master_name:
raise controller_errors.VolumeNameBelongsToSnapshotError(volume_name, self.endpoint)
array_vol = self._generate_volume_response(cli_volume)
return array_vol
def delete_volume(self, volume_id):
logger.info("Deleting volume with id : {0}".format(volume_id))
vol_name = self._get_vol_by_wwn(volume_id)
try:
self.client.svctask.rmvolume(vdisk_id=vol_name)
except (svc_errors.CommandExecutionError, CLIFailureError) as ex:
if not is_warning_message(ex.my_message):
logger.warning("Failed to delete volume {}".format(vol_name))
if (OBJ_NOT_FOUND in ex.my_message
or VOL_NOT_FOUND in ex.my_message):
raise controller_errors.VolumeNotFoundError(vol_name)
else:
raise ex
except Exception as ex:
logger.exception(ex)
raise ex
logger.info("Finished volume deletion. id : {0}".format(volume_id))
def create_snapshot(self, name, volume_name, volume_context=None):
logger.info("creating snapshot {0} from volume {1}".format(name, volume_name))
try:
cli_snapshot = self.client.cmd.snapshot_create(name=name, vol=volume_name).as_single_element
logger.info("finished creating cli snapshot {0} from volume {1}".format(name, volume_name))
return self._generate_snapshot_response(cli_snapshot)
except xcli_errors.IllegalNameForObjectError as ex:
logger.exception(ex)
raise controller_errors.IllegalObjectName(ex.status)
except xcli_errors.VolumeExistsError as ex:
logger.exception(ex)
raise controller_errors.SnapshotAlreadyExists(name, self.endpoint)
except xcli_errors.VolumeBadNameError as ex:
logger.exception(ex)
raise controller_errors.VolumeNotFoundError(volume_name)
except xcli_errors.OperationForbiddenForUserCategoryError as ex:
logger.exception(ex)
raise controller_errors.PermissionDeniedError(
"create snapshot {0} from volume {1}".format(name, volume_name))
def map_volume(self, volume_id, host_name):
logger.debug("Mapping volume {} to host {}".format(
volume_id, host_name))
array_volume_id = get_volume_id_from_scsi_identifier(volume_id)
try:
mapping = self.client.map_volume_to_host(host_name,
array_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.VolumeNotFoundError(volume_id)
else:
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)
def get_snapshot(self, snapshot_name, volume_context=None):
logger.debug("Get snapshot : {} with context: {}".format(
snapshot_name, volume_context))
if not volume_context:
logger.error(
"volume_context is not specified, can not get volumes from storage."
)
raise array_errors.VolumeNotFoundError(snapshot_name)
target_api_volume = self._get_api_volume_by_name(
volume_name=snapshot_name,
pool_id=volume_context[config.CONTEXT_POOL])
if not target_api_volume:
return None
if not target_api_volume.flashcopy:
logger.error(
"FlashCopy relationship not found for target volume: {}".
format(snapshot_name))
raise array_errors.SnapshotNameBelongsToVolumeError(
target_api_volume.name, self.service_address)
flashcopy_rel = self._get_flashcopy(target_api_volume.flashcopy[0].id)
source_volume_name = self.get_volume_name(
flashcopy_rel.source_volume['id'])
return self._generate_snapshot_response(target_api_volume,
source_volume_name)
def test_delete_volume_with_volume_not_found_error(self, ):
self.delete_volume_returns_error(
error=array_errors.VolumeNotFoundError("vol"),
return_code=grpc.StatusCode.OK)
