Exit code == 1 in case we died with an exception

scripts/uncloud

@@ -40,7 +40,6 @@ if __name__ == '__main__':
     if not args.command:
         arg_parser.print_help()
     else:
-
         # if we start etcd in seperate process with default settings
         # i.e inheriting few things from parent process etcd3 module
         # errors out, so the following command configure multiprocessing
@@ -54,5 +53,7 @@ if __name__ == '__main__':
             main(**arguments)
         except UncloudException as err:
             logger.error(err)
+            sys.exit(1)
         except Exception as err:
             logger.exception(err)
+            sys.exit(1)