def _do_update_node(self, node_id, values):
session = get_session()
with session.begin():
query = model_query(models.Node, session=session)
query = add_identity_filter(query, node_id)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.NodeNotFound(node=node_id)
# Prevent ironic_node_id overwriting
if values.get("ironic_node_id") and ref.ironic_node_id:
raise exception.NodeAssociated(node=node_id,
instance=ref.ironic_node_id)
ref.update(values)
return ref
def test_NodeAssociated(self):
self.assertRaises(exception.NodeAssociated,
lambda: self.raise_(exception.NodeAssociated()))