org.elasticsearch.rest.action.admin.cluster.settings.RestClusterUpdateSettingsAction 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.settings;
import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsRequest;
import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.Requests;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentFactory;
import org.elasticsearch.rest.*;
import java.io.IOException;
import java.util.Map;
/**
*/
public class RestClusterUpdateSettingsAction extends BaseRestHandler {
@Inject
public RestClusterUpdateSettingsAction(Settings settings, Client client, RestController controller) {
super(settings, client);
controller.registerHandler(RestRequest.Method.PUT, "/_cluster/settings", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel) {
final ClusterUpdateSettingsRequest clusterUpdateSettingsRequest = Requests.clusterUpdateSettingsRequest();
clusterUpdateSettingsRequest.listenerThreaded(false);
clusterUpdateSettingsRequest.timeout(request.paramAsTime("timeout", clusterUpdateSettingsRequest.timeout()));
clusterUpdateSettingsRequest.masterNodeTimeout(request.paramAsTime("master_timeout", clusterUpdateSettingsRequest.masterNodeTimeout()));
try {
Map source = XContentFactory.xContent(request.content()).createParser(request.content()).mapAndClose();
if (source.containsKey("transient")) {
clusterUpdateSettingsRequest.transientSettings((Map) source.get("transient"));
}
if (source.containsKey("persistent")) {
clusterUpdateSettingsRequest.persistentSettings((Map) source.get("persistent"));
}
} catch (Exception e) {
try {
channel.sendResponse(new XContentThrowableRestResponse(request, e));
} catch (IOException e1) {
logger.warn("Failed to send response", e1);
}
return;
}
client.admin().cluster().updateSettings(clusterUpdateSettingsRequest, new AcknowledgedRestResponseActionListener(request, channel, logger) {
@Override
protected void addCustomFields(XContentBuilder builder, ClusterUpdateSettingsResponse response) throws IOException {
builder.startObject("persistent");
response.getPersistentSettings().toXContent(builder, request);
builder.endObject();
builder.startObject("transient");
response.getTransientSettings().toXContent(builder, request);
builder.endObject();
}
@Override
public void onFailure(Throwable e) {
if (logger.isDebugEnabled()) {
logger.debug("failed to handle cluster state", e);
}
super.onFailure(e);
}
});
}
}