if (configs.getPersistenceType() == PersistenceType.IN_MEMORY) {
LOG.info("In-memory database is used - creating default users");
Users users = injector.getInstance(Users.class);
users.createDefaultRoles();
users.createUser("admin", "admin");
users.createUser("user", "user");
try {
users.promoteToAdmin(users.getLocalUser("admin"));
} catch (AmbariException e) {
throw new RuntimeException(e);