code: public void readDashboardRolesConfig(@Observes @Initialized(ApplicationScoped.class) ServletContext sc) {
  		readFromConfigurationRoles();
  		readFromInitParameter(sc);
  		logger.debug("'{}' value : '{}'.", Constants.Options.DASHBOARD_ROLES, roles);
  	}
docs: Read in web.xml and differents producers the optional DASHBOARD_ROLES config and set it in OcelotConfiguration
  
  @param sc