cluster1.addConfig(globalConfig);
//Cluster level service config
Config serviceSiteConfigCluster = configFactory.createNew(cluster1, SERVICE_SITE_CONFIG, SERVICE_SITE_CLUSTER);
serviceSiteConfigCluster.setVersionTag(CLUSTER_VERSION_TAG);
cluster1.addConfig(serviceSiteConfigCluster);
//Service level service config
Config serviceSiteConfigService = configFactory.createNew(cluster1, SERVICE_SITE_CONFIG, SERVICE_SITE_SERVICE);
serviceSiteConfigService.setVersionTag(SERVICE_VERSION_TAG);
cluster1.addConfig(serviceSiteConfigService);