/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.admin.cluster.node.info;
import org.elasticsearch.action.ActionListener;
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.client.Client;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.rest.XContentRestResponse;
import org.elasticsearch.rest.XContentThrowableRestResponse;
import org.elasticsearch.rest.action.support.RestActions;
import org.elasticsearch.rest.action.support.RestXContentBuilder;
import java.io.IOException;
import java.util.Map;
/**
* @author kimchy (shay.banon)
*/
public class RestNodesInfoAction extends BaseRestHandler {
private final SettingsFilter settingsFilter;
@Inject public RestNodesInfoAction(Settings settings, Client client, RestController controller,
SettingsFilter settingsFilter) {
super(settings, client);
controller.registerHandler(RestRequest.Method.GET, "/_cluster/nodes", this);
controller.registerHandler(RestRequest.Method.GET, "/_cluster/nodes/{nodeId}", this);
this.settingsFilter = settingsFilter;
}
@Override public void handleRequest(final RestRequest request, final RestChannel channel) {
String[] nodesIds = RestActions.splitNodes(request.param("nodeId"));
final boolean includeSettings = request.paramAsBoolean("settings", false);
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(nodesIds);
nodesInfoRequest.listenerThreaded(false);
client.admin().cluster().nodesInfo(nodesInfoRequest, new ActionListener<NodesInfoResponse>() {
@Override public void onResponse(NodesInfoResponse result) {
try {
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject();
builder.field("cluster_name", result.clusterName().value());
builder.startObject("nodes");
for (NodeInfo nodeInfo : result) {
builder.startObject(nodeInfo.node().id(), XContentBuilder.FieldCaseConversion.NONE);
builder.field("name", nodeInfo.node().name());
builder.field("transport_address", nodeInfo.node().address().toString());
builder.startObject("attributes");
for (Map.Entry<String, String> attr : nodeInfo.node().attributes().entrySet()) {
builder.field(attr.getKey(), attr.getValue());
}
builder.endObject();
for (Map.Entry<String, String> nodeAttribute : nodeInfo.attributes().entrySet()) {
builder.field(nodeAttribute.getKey(), nodeAttribute.getValue());
}
if (includeSettings) {
builder.startObject("settings");
Settings settings = settingsFilter.filterSettings(nodeInfo.settings());
for (Map.Entry<String, String> entry : settings.getAsMap().entrySet()) {
builder.field(entry.getKey(), entry.getValue());
}
builder.endObject();
}
if (nodeInfo.os() != null) {
nodeInfo.os().toXContent(builder, request);
}
if (nodeInfo.process() != null) {
nodeInfo.process().toXContent(builder, request);
}
if (nodeInfo.jvm() != null) {
nodeInfo.jvm().toXContent(builder, request);
}
if (nodeInfo.network() != null) {
nodeInfo.network().toXContent(builder, request);
}
if (nodeInfo.transport() != null) {
nodeInfo.transport().toXContent(builder, request);
}
if (nodeInfo.http() != null) {
nodeInfo.http().toXContent(builder, request);
}
builder.endObject();
}
builder.endObject();
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, RestStatus.OK, builder));
} catch (Exception e) {
onFailure(e);
}
}
@Override public void onFailure(Throwable e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.error("Failed to send failure response", e1);
}
}
});
}
}