HttpClient httpClient = JreHttpClient.create();
OpenstackIdentityClient identityClient = new OpenstackIdentityClient(httpClient, uri, null);
X500Principal subject = new X500Principal("CN=" + "unknown");
CertificateAndKey certificateAndKey = ChallengeResponses.createSelfSigned(subject, keypair);
String project = backendData.getBackendCookie();
if (project == null) {
throw new IllegalStateException();
// log.warn("No backend project configured: {}",