public VirtualMachineDescriptionBuilder bootstrap(final String uri, final String auth,
final String chefServerUrl, final String clientName, final String validatorName,
final String clientCertificate, final String validationCertificate,
final List<String> runlist, final String attributes)
{
bootstrapConf = new BootstrapConfiguration();
bootstrapConf.setUri(uri);
bootstrapConf.setAuth(auth);
bootstrapConf.setChefServerURL(chefServerUrl);
bootstrapConf.setClientName(clientName);
bootstrapConf.setValidatorName(validatorName);