org.elasticsearch.rest.action.admin.cluster.node.shutdown.RestNodesShutdownAction Maven / Gradle / Ivy
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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.shutdown;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.cluster.node.shutdown.NodesShutdownRequest;
import org.elasticsearch.action.admin.cluster.node.shutdown.NodesShutdownResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
import org.elasticsearch.rest.action.support.RestActions;
import java.io.IOException;
import static org.elasticsearch.rest.action.support.RestXContentBuilder.restContentBuilder;
/**
*
*/
public class RestNodesShutdownAction extends BaseRestHandler {
@Inject
public RestNodesShutdownAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(RestRequest.Method.POST, "/_shutdown", this);
controller.registerHandler(RestRequest.Method.POST, "/_cluster/nodes/_shutdown", this);
controller.registerHandler(RestRequest.Method.POST, "/_cluster/nodes/{nodeId}/_shutdown", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
String[] nodesIds = RestActions.splitNodes(request.param("nodeId"));
NodesShutdownRequest nodesShutdownRequest = new NodesShutdownRequest(nodesIds);
nodesShutdownRequest.listenerThreaded(false);
nodesShutdownRequest.delay(request.paramAsTime("delay", nodesShutdownRequest.delay()));
nodesShutdownRequest.exit(request.paramAsBoolean("exit", nodesShutdownRequest.exit()));
client.admin().cluster().nodesShutdown(nodesShutdownRequest, new ActionListener() {
@Override
public void onResponse(NodesShutdownResponse response) {
try {
XContentBuilder builder = restContentBuilder(request);
builder.startObject();
builder.field("cluster_name", response.clusterName().value());
builder.startObject("nodes");
for (DiscoveryNode node : response.nodes()) {
builder.startObject(node.id(), XContentBuilder.FieldCaseConversion.NONE);
builder.field("name", node.name(), XContentBuilder.FieldCaseConversion.NONE);
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);
}
}
});
}
}