Ejemplo n.º 1
0
func (r *repositoryRetriever) Repository(ctx gocontext.Context, registry *url.URL, repoName string, insecure bool) (distribution.Repository, error) {
	src := *registry
	// ping the registry to get challenge headers
	if err, ok := r.pings[src]; ok {
		if err != nil {
			return nil, err
		}
		if redirect, ok := r.redirect[src]; ok {
			src = *redirect
		}
	} else {
		redirect, err := r.ping(src, insecure)
		r.pings[src] = err
		if err != nil {
			return nil, err
		}
		if redirect != nil {
			r.redirect[src] = redirect
			src = *redirect
		}
	}

	rt := transport.NewTransport(
		r.context.Transport,
		// TODO: slightly smarter authorizer that retries unauthenticated requests
		auth.NewAuthorizer(
			r.context.Challenges,
			auth.NewTokenHandler(r.context.Transport, r.credentials, repoName, "pull"),
			auth.NewBasicHandler(r.credentials),
		),
	)
	return registryclient.NewRepository(context.Context(ctx), repoName, src.String(), rt)
}
Ejemplo n.º 2
0
func (r *repositoryRetriever) Repository(ctx gocontext.Context, registry *url.URL, repoName string, insecure bool) (distribution.Repository, error) {
	named, err := reference.ParseNamed(repoName)
	if err != nil {
		return nil, err
	}

	t := r.context.Transport
	if insecure && r.context.InsecureTransport != nil {
		t = r.context.InsecureTransport
	}
	src := *registry
	// ping the registry to get challenge headers
	if err, ok := r.pings[src]; ok {
		if err != nil {
			return nil, err
		}
		if redirect, ok := r.redirect[src]; ok {
			src = *redirect
		}
	} else {
		redirect, err := r.ping(src, insecure, t)
		r.pings[src] = err
		if err != nil {
			return nil, err
		}
		if redirect != nil {
			r.redirect[src] = redirect
			src = *redirect
		}
	}

	rt := transport.NewTransport(
		t,
		// TODO: slightly smarter authorizer that retries unauthenticated requests
		// TODO: make multiple attempts if the first credential fails
		auth.NewAuthorizer(
			r.context.Challenges,
			auth.NewTokenHandler(t, r.credentials, repoName, "pull"),
			auth.NewBasicHandler(r.credentials),
		),
	)

	repo, err := registryclient.NewRepository(context.Context(ctx), named, src.String(), rt)
	if err != nil {
		return nil, err
	}
	return NewRetryRepository(repo, 2, 3/2*time.Second), nil
}