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* Licensed to Elasticsearch 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;
import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsRequest;
import org.elasticsearch.action.admin.cluster.settings.ClusterUpdateSettingsResponse;
import org.elasticsearch.client.Requests;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.AcknowledgedRestListener;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
public class RestClusterUpdateSettingsAction extends BaseRestHandler {
public RestClusterUpdateSettingsAction(Settings settings, RestController controller) {
super(settings);
controller.registerHandler(RestRequest.Method.PUT, "/_cluster/settings", this);
}
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
final ClusterUpdateSettingsRequest clusterUpdateSettingsRequest = Requests.clusterUpdateSettingsRequest();
clusterUpdateSettingsRequest.timeout(request.paramAsTime("timeout", clusterUpdateSettingsRequest.timeout()));
clusterUpdateSettingsRequest.masterNodeTimeout(
request.paramAsTime("master_timeout", clusterUpdateSettingsRequest.masterNodeTimeout()));
Map<String, Object> source;
try (XContentParser parser = request.contentParser()) {
source = parser.map();
}
if (source.containsKey("transient")) {
clusterUpdateSettingsRequest.transientSettings((Map) source.get("transient"));
}
if (source.containsKey("persistent")) {
clusterUpdateSettingsRequest.persistentSettings((Map) source.get("persistent"));
}
return channel -> client.admin().cluster().updateSettings(clusterUpdateSettingsRequest,
new AcknowledgedRestListener<ClusterUpdateSettingsResponse>(channel) {
@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
protected Set<String> responseParams() {
return Settings.FORMAT_PARAMS;
}
@Override
public boolean canTripCircuitBreaker() {
return false;
}
}