def create_node(self, values):
# ensure defaults are present for new nodes
if not values.get('uuid'):
values['uuid'] = utils.generate_uuid()
node = models.Node()
node.update(values)
try:
node.save()
except db_exc.DBDuplicateEntry as exc:
if 'ironic_node_id' in exc.columns:
raise exception.InstanceAssociated(
instance_uuid=values['ironic_node_id'],
node=values['uuid'])
raise exception.NodeAlreadyExists(uuid=values['uuid'])
return node
def test_NodeAlreadyExists(self):
self.assertRaises(exception.NodeAlreadyExists,
lambda: self.raise_(exception.NodeAlreadyExists()))