func()

in ecr/fetcher.go [144:169]

• 25 lines of code
• 5 McCabe index (conditional complexity)

func (f *ecrFetcher) fetchLayerURL(ctx context.Context, desc ocispec.Descriptor, downloadURL string) (io.ReadCloser, error) {
	req, err := http.NewRequest(http.MethodGet, downloadURL, nil)
	if err != nil {
		log.G(ctx).
			WithError(err).
			WithField("url", downloadURL).
			Error("ecr.fetcher.layer.url: failed to create HTTP request")
		return nil, err
	}
	log.G(ctx).WithField("url", downloadURL).Debug("ecr.fetcher.layer.url")

	req.Header.Set("Accept", strings.Join([]string{desc.MediaType, `*`}, ", "))
	resp, err := f.doRequest(ctx, req)
	if err != nil {
		return nil, err
	}
	if resp.StatusCode > 299 {
		resp.Body.Close()
		if resp.StatusCode == http.StatusNotFound {
			return nil, errors.Wrapf(errdefs.ErrNotFound, "content at %v not found", downloadURL)
		}
		return nil, errors.Errorf("ecr.fetcher.layer.url: unexpected status code %v: %v", downloadURL, resp.Status)
	}
	log.G(ctx).WithField("desc", desc).Debug("ecr.fetcher.layer.url: returning body")
	return resp.Body, nil
}