public NodeInfo[] getNodeInfo(String clusterName) {
Set<Node> nodeSet = nodesClusterMap.get(clusterName);
if (nodeSet != null) {
for (Node node : nodeSet) {
ClusterAdminClient client = node.client().admin().cluster();
NodesInfoResponse response = client.prepareNodesInfo().all().execute().actionGet();
return response.getNodes();
}
}
return null;
}