private void addInstanceTagIfNeeded(String clusterName, String instanceName) {
InstanceConfig instanceConfig = _helixAdmin.getInstanceConfig(clusterName, instanceName);
List<String> instanceTags = instanceConfig.getTags();
if (instanceTags == null || instanceTags.isEmpty()) {
if (ZKMetadataProvider.getClusterTenantIsolationEnabled(
_helixManager.getHelixPropertyStore())) {
_helixAdmin.addInstanceTag(
clusterName,
instanceName,
ControllerTenantNameBuilder.getBrokerTenantNameForTenant(
ControllerTenantNameBuilder.DEFAULT_TENANT_NAME));
} else {
_helixAdmin.addInstanceTag(
clusterName, instanceName, CommonConstants.Helix.UNTAGGED_BROKER_INSTANCE);
}
}
}
