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/*
* Licensed to ElasticSearch and Shay Banon 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.admin.cluster.node.info;
import org.elasticsearch.action.ActionListener;
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.*;
import org.elasticsearch.rest.action.support.RestActions;
import org.elasticsearch.rest.action.support.RestXContentBuilder;
import java.io.IOException;
/**
*
*/
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);
controller.registerHandler(RestRequest.Method.GET, "/_nodes", this);
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}", this);
controller.registerHandler(RestRequest.Method.GET, "/_nodes/settings", new RestSettingsHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/settings", new RestSettingsHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/os", new RestOsHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/os", new RestOsHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/process", new RestProcessHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/process", new RestProcessHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/jvm", new RestJvmHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/jvm", new RestJvmHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/thread_pool", new RestThreadPoolHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/thread_pool", new RestThreadPoolHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/network", new RestNetworkHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/network", new RestNetworkHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/transport", new RestTransportHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/transport", new RestTransportHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/http", new RestHttpHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/http", new RestHttpHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/plugin", new RestPluginHandler());
controller.registerHandler(RestRequest.Method.GET, "/_nodes/{nodeId}/plugin", new RestPluginHandler());
this.settingsFilter = settingsFilter;
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
String[] nodesIds = RestActions.splitNodes(request.param("nodeId"));
final NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(nodesIds);
boolean clear = request.paramAsBoolean("clear", false);
if (clear) {
nodesInfoRequest.clear();
}
boolean all = request.paramAsBoolean("all", false);
if (all) {
nodesInfoRequest.all();
}
nodesInfoRequest.settings(request.paramAsBoolean("settings", nodesInfoRequest.settings()));
nodesInfoRequest.os(request.paramAsBoolean("os", nodesInfoRequest.os()));
nodesInfoRequest.process(request.paramAsBoolean("process", nodesInfoRequest.process()));
nodesInfoRequest.jvm(request.paramAsBoolean("jvm", nodesInfoRequest.jvm()));
nodesInfoRequest.threadPool(request.paramAsBoolean("thread_pool", nodesInfoRequest.threadPool()));
nodesInfoRequest.network(request.paramAsBoolean("network", nodesInfoRequest.network()));
nodesInfoRequest.transport(request.paramAsBoolean("transport", nodesInfoRequest.transport()));
nodesInfoRequest.http(request.paramAsBoolean("http", nodesInfoRequest.http()));
nodesInfoRequest.plugin(request.paramAsBoolean("plugin", nodesInfoRequest.plugin()));
nodesInfoRequest.timeout( request.paramAsTime("timeout", nodesInfoRequest.timeout()));
executeNodeRequest(request, channel, nodesInfoRequest);
}
void executeNodeRequest(final RestRequest request, final RestChannel channel, NodesInfoRequest nodesInfoRequest) {
nodesInfoRequest.listenerThreaded(false);
client.admin().cluster().nodesInfo(nodesInfoRequest, new ActionListener() {
@Override
public void onResponse(NodesInfoResponse response) {
try {
response.settingsFilter(settingsFilter);
XContentBuilder builder = RestXContentBuilder.restContentBuilder(request);
builder.startObject();
builder.field("ok", true);
response.toXContent(builder, request);
builder.endObject();
channel.sendResponse(new XContentRestResponse(request, RestStatus.OK, builder));
} catch (Throwable 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);
}
}
});
}
class RestSettingsHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().settings(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestOsHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().os(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestProcessHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().process(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestJvmHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().jvm(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestThreadPoolHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().threadPool(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestNetworkHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().network(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestTransportHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().transport(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestHttpHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().http(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
class RestPluginHandler implements RestHandler {
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
NodesInfoRequest nodesInfoRequest = new NodesInfoRequest(RestActions.splitNodes(request.param("nodeId")));
nodesInfoRequest.clear().plugin(true);
executeNodeRequest(request, channel, nodesInfoRequest);
}
}
}
