NodeMetadata node = null;
try {
TemplateOptions options = client.templateOptions();
options.blockOnPort(22, 180);
options.as(VCloudTemplateOptions.class).customizationScript(script);
options.as(VCloudTemplateOptions.class).description(group);
node = getOnlyElement(client.createNodesInGroup(group, 1, options));
VApp vapp = client.getContext().unwrap(VCloudApiMetadata.CONTEXT_TOKEN).getApi().getVAppClient().getVApp(