org.elasticsearch.rest.action.admin.cluster.node.shutdown.RestNodesShutdownAction Maven / Gradle / Ivy
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* the Apache License, Version 2.0 (the "License"); you may
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* http://www.apache.org/licenses/LICENSE-2.0
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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.Strings;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.*;
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 = Strings.splitStringByCommaToArray(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.getClusterName().value());
builder.startObject("nodes");
for (DiscoveryNode node : response.getNodes()) {
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 (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);
}
}
});
}
}