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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.indices.stats;
import org.elasticsearch.action.admin.indices.stats.IndicesStatsRequest;
import org.elasticsearch.action.admin.indices.stats.IndicesStatsResponse;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.Client;
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 org.elasticsearch.rest.action.support.RestBuilderListener;
import java.util.Set;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestStatus.OK;
import static org.elasticsearch.rest.action.support.RestActions.buildBroadcastShardsHeader;
/**
*/
public class RestIndicesStatsAction extends BaseRestHandler {
@Inject
public RestIndicesStatsAction(Settings settings, RestController controller, Client client) {
super(settings, controller, client);
controller.registerHandler(GET, "/_stats", this);
controller.registerHandler(GET, "/_stats/{metric}", this);
controller.registerHandler(GET, "/_stats/{metric}/{indexMetric}", this);
controller.registerHandler(GET, "/{index}/_stats", this);
controller.registerHandler(GET, "/{index}/_stats/{metric}", this);
}
@Override
public void handleRequest(final RestRequest request, final RestChannel channel, final Client client) {
IndicesStatsRequest indicesStatsRequest = new IndicesStatsRequest();
indicesStatsRequest.listenerThreaded(false);
indicesStatsRequest.indicesOptions(IndicesOptions.fromRequest(request, indicesStatsRequest.indicesOptions()));
indicesStatsRequest.indices(Strings.splitStringByCommaToArray(request.param("index")));
indicesStatsRequest.types(Strings.splitStringByCommaToArray(request.param("types")));
Set<String> metrics = Strings.splitStringByCommaToSet(request.param("metric", "_all"));
// short cut, if no metrics have been specified in URI
if (metrics.size() == 1 && metrics.contains("_all")) {
indicesStatsRequest.all();
} else {
indicesStatsRequest.clear();
indicesStatsRequest.docs(metrics.contains("docs"));
indicesStatsRequest.store(metrics.contains("store"));
indicesStatsRequest.indexing(metrics.contains("indexing"));
indicesStatsRequest.search(metrics.contains("search"));
indicesStatsRequest.get(metrics.contains("get"));
indicesStatsRequest.merge(metrics.contains("merge"));
indicesStatsRequest.refresh(metrics.contains("refresh"));
indicesStatsRequest.flush(metrics.contains("flush"));
indicesStatsRequest.warmer(metrics.contains("warmer"));
indicesStatsRequest.filterCache(metrics.contains("filter_cache"));
indicesStatsRequest.idCache(metrics.contains("id_cache"));
indicesStatsRequest.percolate(metrics.contains("percolate"));
indicesStatsRequest.segments(metrics.contains("segments"));
indicesStatsRequest.fieldData(metrics.contains("fielddata"));
indicesStatsRequest.completion(metrics.contains("completion"));
indicesStatsRequest.suggest(metrics.contains("suggest"));
indicesStatsRequest.queryCache(metrics.contains("query_cache"));
}
if (request.hasParam("groups")) {
indicesStatsRequest.groups(Strings.splitStringByCommaToArray(request.param("groups")));
}
if (request.hasParam("types")) {
indicesStatsRequest.types(Strings.splitStringByCommaToArray(request.param("types")));
}
if (indicesStatsRequest.completion() && (request.hasParam("fields") || request.hasParam("completion_fields"))) {
indicesStatsRequest.completionFields(request.paramAsStringArray("completion_fields", request.paramAsStringArray("fields", Strings.EMPTY_ARRAY)));
}
if (indicesStatsRequest.fieldData() && (request.hasParam("fields") || request.hasParam("fielddata_fields"))) {
indicesStatsRequest.fieldDataFields(request.paramAsStringArray("fielddata_fields", request.paramAsStringArray("fields", Strings.EMPTY_ARRAY)));
}
client.admin().indices().stats(indicesStatsRequest, new RestBuilderListener<IndicesStatsResponse>(channel) {
@Override
public RestResponse buildResponse(IndicesStatsResponse response, XContentBuilder builder) throws Exception {
builder.startObject();
buildBroadcastShardsHeader(builder, response);
response.toXContent(builder, request);
builder.endObject();
return new BytesRestResponse(OK, builder);
}
});
}
}