@Override
  public void killNameNode(ServerName serverName) throws IOException {
    LOG.info("Aborting name node on: {}", serverName.getServerName());
    clusterManager.kill(ServiceType.HADOOP_NAMENODE, serverName.getHostname(),
      serverName.getPort());
  }
Returns a ClusterStatus for this HBase cluster
hbase-it/src/test/java/org/apache/hadoop/hbase/DistributedHBaseCluster.java