function convertToOldStatus(nodeStatus) {
  const ports = global.kuzzle.config.cluster.ports;

  return {
    pub: `tcp://${nodeStatus.address}:${ports.sync}`,
    ready: true,
    router: `tcp://${nodeStatus.address}:${ports.command}`,
  };
}
Converts node status retrieved from the new cluster:status API action
and returns an object to the old format

@param  {Object} nodeStatus
@return {Object}