Create a new node

        :param name: Node name
        :param project_id: Project identifier
        :param node_id: restore a node identifier

def create_node(self, name, project_id, node_id, *args, **kwargs):
        """
        Create a new node

        :param name: Node name
        :param project_id: Project identifier
        :param node_id: restore a node identifier
        """

        if node_id in self._nodes:
            return self._nodes[node_id]

        project = ProjectManager.instance().get_project(project_id)
        if node_id and isinstance(node_id, int):
            # old project
            with (yield from BaseManager._convert_lock):
                node_id = yield from self.convert_old_project(project, node_id, name)

        if not node_id:
            node_id = str(uuid4())

        node = self._NODE_CLASS(name, node_id, project, self, *args, **kwargs)
        if asyncio.iscoroutinefunction(node.create):
            yield from node.create()
        else:
            node.create()
        self._nodes[node.id] = node
        project.add_node(node)
        return node