def get_by_volume_id(cls,
context,
volume_id,
instance_uuid=None,
expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdms = db.block_device_mapping_get_all_by_volume_id(
context, volume_id, _expected_cols(expected_attrs))
if not db_bdms:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
if len(db_bdms) > 1:
LOG.warning(
'Legacy get_by_volume_id() call found multiple '
'BDMs for volume %(volume)s', {'volume': volume_id})
db_bdm = db_bdms[0]
# NOTE (ndipanov): Move this to the db layer into a
# get_by_instance_and_volume_id method
if instance_uuid and instance_uuid != db_bdm['instance_uuid']:
raise exception.InvalidVolume(
reason=_("Volume does not belong to the "
"requested instance."))
return cls._from_db_object(context,
cls(),
db_bdm,
expected_attrs=expected_attrs)
def get_by_volume(cls, context, volume_id, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdms = db.block_device_mapping_get_all_by_volume_id(
context, volume_id, _expected_cols(expected_attrs))
if not db_bdms:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
if len(db_bdms) > 1:
raise exception.VolumeBDMIsMultiAttach(volume_id=volume_id)
return cls._from_db_object(context, cls(), db_bdms[0],
expected_attrs=expected_attrs)
def get_by_volume(cls, context, volume_id, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdms = db.block_device_mapping_get_all_by_volume_id(
context, volume_id, _expected_cols(expected_attrs))
if not db_bdms:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
if len(db_bdms) > 1:
raise exception.VolumeBDMIsMultiAttach(volume_id=volume_id)
return cls._from_db_object(context, cls(), db_bdms[0],
expected_attrs=expected_attrs)
def get_by_volume_id(cls, context, volume_id,
instance_uuid=None, expected_attrs=None):
if expected_attrs is None:
expected_attrs = []
db_bdms = db.block_device_mapping_get_all_by_volume_id(
context, volume_id, _expected_cols(expected_attrs))
if not db_bdms:
raise exception.VolumeBDMNotFound(volume_id=volume_id)
if len(db_bdms) > 1:
LOG.warning(_LW('Legacy get_by_volume_id() call found multiple '
'BDMs for volume %(volume)s'),
{'volume': volume_id})
db_bdm = db_bdms[0]
# NOTE (ndipanov): Move this to the db layer into a
# get_by_instance_and_volume_id method
if instance_uuid and instance_uuid != db_bdm['instance_uuid']:
raise exception.InvalidVolume(
reason=_("Volume does not belong to the "
"requested instance."))
return cls._from_db_object(context, cls(), db_bdm,
expected_attrs=expected_attrs)
