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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.rest.action.cat;
import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
import org.elasticsearch.action.admin.cluster.node.info.NodeInfo;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoRequest;
import org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse;
import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsRequest;
import org.elasticsearch.action.admin.cluster.node.stats.NodesStatsResponse;
import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.Table;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.transport.InetSocketTransportAddress;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.support.RestActionListener;
import org.elasticsearch.rest.action.support.RestResponseListener;
import org.elasticsearch.rest.action.support.RestTable;
import static org.elasticsearch.rest.RestRequest.Method.GET;
public class RestNodeAttrsAction extends AbstractCatAction {
@Inject
public RestNodeAttrsAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(GET, "/_cat/nodeattrs", this);
}
@Override
protected void documentation(StringBuilder sb) {
sb.append("/_cat/nodeattrs\n");
}
@Override
public void doRequest(final RestRequest request, final RestChannel channel, final Client client) {
final ClusterStateRequest clusterStateRequest = new ClusterStateRequest();
clusterStateRequest.clear().nodes(true);
clusterStateRequest.local(request.paramAsBoolean("local", clusterStateRequest.local()));
clusterStateRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterStateRequest.masterNodeTimeout()));
client.admin().cluster().state(clusterStateRequest, new RestActionListener<ClusterStateResponse>(channel) {
@Override
public void processResponse(final ClusterStateResponse clusterStateResponse) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest();
nodesInfoRequest.clear().jvm(false).os(false).process(true);
client.admin().cluster().nodesInfo(nodesInfoRequest, new RestActionListener<NodesInfoResponse>(channel) {
@Override
public void processResponse(final NodesInfoResponse nodesInfoResponse) {
NodesStatsRequest nodesStatsRequest = new NodesStatsRequest();
nodesStatsRequest.clear().jvm(false).os(false).fs(false).indices(false).process(false);
client.admin().cluster().nodesStats(nodesStatsRequest, new RestResponseListener<NodesStatsResponse>(channel) {
@Override
public RestResponse buildResponse(NodesStatsResponse nodesStatsResponse) throws Exception {
return RestTable.buildResponse(buildTable(request, clusterStateResponse, nodesInfoResponse, nodesStatsResponse), channel);
}
});
}
});
}
});
}
@Override
protected Table getTableWithHeader(final RestRequest request) {
Table table = new Table();
table.startHeaders();
table.addCell("node", "default:true;alias:name;desc:node name");
table.addCell("id", "default:false;alias:id,nodeId;desc:unique node id");
table.addCell("pid", "default:false;alias:p;desc:process id");
table.addCell("host", "alias:h;desc:host name");
table.addCell("ip", "alias:i;desc:ip address");
table.addCell("port", "default:false;alias:po;desc:bound transport port");
table.addCell("attr", "default:true;alias:attr.name;desc:attribute description");
table.addCell("value","default:true;alias:attr.value;desc:attribute value");
table.endHeaders();
return table;
}
private Table buildTable(RestRequest req, ClusterStateResponse state, NodesInfoResponse nodesInfo, NodesStatsResponse nodesStats) {
boolean fullId = req.paramAsBoolean("full_id", false);
DiscoveryNodes nodes = state.getState().nodes();
Table table = getTableWithHeader(req);
for (DiscoveryNode node : nodes) {
NodeInfo info = nodesInfo.getNodesMap().get(node.id());
for(ObjectObjectCursor<String, String> att : node.attributes()) {
table.startRow();
table.addCell(node.name());
table.addCell(fullId ? node.id() : Strings.substring(node.getId(), 0, 4));
table.addCell(info == null ? null : info.getProcess().getId());
table.addCell(node.getHostName());
table.addCell(node.getHostAddress());
if (node.address() instanceof InetSocketTransportAddress) {
table.addCell(((InetSocketTransportAddress) node.address()).address().getPort());
} else {
table.addCell("-");
}
table.addCell(att.key);
table.addCell(att.value);
table.endRow();
}
}
return table;
}
}
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