@Override
  public TSStatus addConsensusGroup(TAddConsensusGroupReq registerResp) {
    return configManager.createPeerForConsensusGroup(registerResp.getConfigNodeList());
  }
ConfigNodeRPCServer exposes the interface that interacts with the DataNode
iotdb-core/confignode/src/main/java/org/apache/iotdb/confignode/service/thrift/ConfigNodeRPCServiceProcessor.java