def destroy(self, force=False):
"""Deletes the QoS spec.
:param force: when force is True, all volume_type mappings for this QoS
are deleted. When force is False and volume_type
mappings still exist, a QoSSpecsInUse exception is thrown
"""
if self.volume_types:
if not force:
raise exception.QoSSpecsInUse(specs_id=self.id)
# remove all association
db.qos_specs_disassociate_all(self._context, self.id)
updated_values = db.qos_specs_delete(self._context, self.id)
self.update(updated_values)
self.obj_reset_changes(updated_values.keys())
def delete(context, qos_specs_id, force=False):
"""Marks qos specs as deleted.
'force' parameter is a flag to determine whether should destroy
should continue when there were entities associated with the qos specs.
force=True indicates caller would like to mark qos specs as deleted
even if there was entities associate with target qos specs.
Trying to delete a qos specs still associated with entities will
cause QoSSpecsInUse exception if force=False (default).
"""
if qos_specs_id is None:
msg = _("id cannot be None")
raise exception.InvalidQoSSpecs(reason=msg)
# check if there is any entity associated with this qos specs
res = db.qos_specs_associations_get(context, qos_specs_id)
if res and not force:
raise exception.QoSSpecsInUse(specs_id=qos_specs_id)
elif res and force:
# remove all association
db.qos_specs_disassociate_all(context, qos_specs_id)
db.qos_specs_delete(context, qos_specs_id)
def return_qos_specs_delete(context, id, force):
if id == fake.WILL_NOT_BE_FOUND_ID:
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == fake.IN_USE_ID:
raise exception.QoSSpecsInUse(specs_id=id)
pass
def return_qos_specs_delete(context, id, force):
if id == "777":
raise exception.QoSSpecsNotFound(specs_id=id)
elif id == "666":
raise exception.QoSSpecsInUse(specs_id=id)
pass
