Method LoadImage

util/dockerutil/client.go:35–74

LoadImage imports an image to docker.

(ctx context.Context, name string, status progress.Writer)

// LoadImage imports an image to docker.
func (c *Client) LoadImage(ctx context.Context, name string, status progress.Writer) (io.WriteCloser, func(), error) {
	dapi, err := c.API(name)
	if err != nil {
		return nil, nil, err
	}

	pr, pw := io.Pipe()
	done := make(chan struct{})

	var w *waitingWriter
	w = &waitingWriter{
		PipeWriter: pw,
		f: func() {
			handleErr := func(err error) {
				pr.CloseWithError(err)
				w.mu.Lock()
				w.err = err
				w.mu.Unlock()
			}

			resp, err := dapi.ImageLoad(ctx, pr)
			defer close(done)
			if err != nil {
				handleErr(err)
				return
			}

			status = progress.ResetTime(status)
			if err := progress.Wrap("importing to docker", status.Write, func(l progress.SubLogger) error {
				return fromReader(l, resp)
			}); err != nil {
				handleErr(err)
			}
		},
		done: done,
	}
	return w, func() {
		pr.Close()
	}, nil
}

func (c *Client) Features(ctx context.Context, name string) map[Feature]bool {
	c.featuresOnce.Do(func() {