Method Fetch

client/client.go:483–519

Fetch downloads the provided content into containerd's content store and returns a non-platform specific image reference

(ctx context.Context, ref string, opts ...RemoteOpt)

// Fetch downloads the provided content into containerd's content store
// and returns a non-platform specific image reference
func (c *Client) Fetch(ctx context.Context, ref string, opts ...RemoteOpt) (images.Image, error) {
	fetchCtx := defaultRemoteContext()
	for _, o := range opts {
		if err := o(c, fetchCtx); err != nil {
			return images.Image{}, err
		}
	}

	if fetchCtx.Unpack {
		return images.Image{}, fmt.Errorf("unpack on fetch not supported, try pull: %w", errdefs.ErrNotImplemented)
	}

	if fetchCtx.PlatformMatcher == nil {
		if len(fetchCtx.Platforms) == 0 {
			fetchCtx.PlatformMatcher = platforms.All
		} else {
			ps, err := platforms.ParseAll(fetchCtx.Platforms)
			if err != nil {
				return images.Image{}, err
			}

			fetchCtx.PlatformMatcher = platforms.Any(ps...)
		}
	}

	ctx, done, err := c.WithLease(ctx)
	if err != nil {
		return images.Image{}, err
	}
	defer done(ctx)

	img, err := c.fetch(ctx, fetchCtx, ref, 0)
	if err != nil {
		return images.Image{}, err
	}
	return c.createNewImage(ctx, img)
}

// Push uploads the provided content to a remote resource
func (c *Client) Push(ctx context.Context, ref string, desc ocispec.Descriptor, opts ...RemoteOpt) error {