@Override
        void run() {
            try {
                String content = ClientUtils.readFile(file);
                ClusterRequest request = JsonUtils.parseObject(content, ClusterRequest.class);
                ClientUtils.initClientFactory();
                InlongClusterClient clusterClient = ClientUtils.clientFactory.getClusterClient();
                assert request != null;
                Integer clusterId = clusterClient.saveCluster(request);
                if (clusterId != null) {
                    System.out.println("Create cluster success! ID: " + clusterId);
                }
            } catch (Exception e) {
                System.out.println(e.getMessage());
            }
        }
Set default value for group conf

@param groupConf group conf
inlong-manager/manager-client-tools/src/main/java/org/apache/inlong/manager/client/cli/CreateCommand.java