code: func (cli *Client) NodeInspectWithRaw(ctx context.Context, nodeID string) (swarm.Node, []byte, error) {
  	if nodeID == "" {
  		return swarm.Node{}, nil, objectNotFoundError{object: "node", id: nodeID}
  	}
  	serverResp, err := cli.get(ctx, "/nodes/"+nodeID, nil, nil)
  	defer ensureReaderClosed(serverResp)
  	if err != nil {
  		return swarm.Node{}, nil, wrapResponseError(err, serverResp, "node", nodeID)
  	}
  
  	body, err := ioutil.ReadAll(serverResp.body)
  	if err != nil {
  		return swarm.Node{}, nil, err
  	}
  
  	var response swarm.Node
  	rdr := bytes.NewReader(body)
  	err = json.NewDecoder(rdr).Decode(&response)
  	return response, body, err
  }
docs: // NodeInspectWithRaw returns the node information.