}
String action = args[0];
String valueMap = args[1];
Injector injector = Guice.createInjector(new ControllerModule());
StackUpgradeHelper stackUpgradeHelper = injector.getInstance(StackUpgradeHelper.class);
Gson gson = injector.getInstance(Gson.class);
if (!stackUpgradeHelper.getValidActions().contains(action)) {
throw new IllegalArgumentException("Unsupported action. Allowed " +