@Override
  public void startZkNode(String hostname, int port) throws IOException {
    LOG.info("Starting ZooKeeper node on: {}", hostname);
    clusterManager.start(ServiceType.ZOOKEEPER_SERVER, hostname, port);
  }
Returns a ClusterStatus for this HBase cluster
hbase-it/src/test/java/org/apache/hadoop/hbase/DistributedHBaseCluster.java