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org.elasticsearch.action.admin.indices.warmer.put.TransportPutWarmerAction Maven / Gradle / Ivy
Elasticsearch - Open Source, Distributed, RESTful Search Engine
/*
* 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.action.admin.indices.warmer.put;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.search.SearchResponse;
import org.elasticsearch.action.search.TransportSearchAction;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.AckedClusterStateUpdateTask;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.cluster.metadata.MetaData;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.bytes.BytesReference;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.index.Index;
import org.elasticsearch.indices.IndexMissingException;
import org.elasticsearch.search.warmer.IndexWarmersMetaData;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
/**
* Put warmer action.
*/
public class TransportPutWarmerAction extends TransportMasterNodeOperationAction {
private final TransportSearchAction searchAction;
@Inject
public TransportPutWarmerAction(Settings settings, TransportService transportService, ClusterService clusterService, ThreadPool threadPool,
TransportSearchAction searchAction) {
super(settings, transportService, clusterService, threadPool);
this.searchAction = searchAction;
}
@Override
protected String executor() {
return ThreadPool.Names.SAME;
}
@Override
protected String transportAction() {
return PutWarmerAction.NAME;
}
@Override
protected PutWarmerRequest newRequest() {
return new PutWarmerRequest();
}
@Override
protected PutWarmerResponse newResponse() {
return new PutWarmerResponse();
}
@Override
protected ClusterBlockException checkBlock(PutWarmerRequest request, ClusterState state) {
String[] concreteIndices = clusterService.state().metaData().concreteIndices(request.searchRequest().indices(), request.searchRequest().indicesOptions());
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, concreteIndices);
}
@Override
protected void masterOperation(final PutWarmerRequest request, final ClusterState state, final ActionListener listener) throws ElasticsearchException {
// first execute the search request, see that its ok...
searchAction.execute(request.searchRequest(), new ActionListener() {
@Override
public void onResponse(SearchResponse searchResponse) {
if (searchResponse.getFailedShards() > 0) {
listener.onFailure(new ElasticsearchException("search failed with failed shards: " + Arrays.toString(searchResponse.getShardFailures())));
return;
}
clusterService.submitStateUpdateTask("put_warmer [" + request.name() + "]", new AckedClusterStateUpdateTask() {
@Override
public boolean mustAck(DiscoveryNode discoveryNode) {
return true;
}
@Override
public void onAllNodesAcked(@Nullable Throwable t) {
listener.onResponse(new PutWarmerResponse(true));
}
@Override
public void onAckTimeout() {
listener.onResponse(new PutWarmerResponse(false));
}
@Override
public TimeValue ackTimeout() {
return request.timeout();
}
@Override
public TimeValue timeout() {
return request.masterNodeTimeout();
}
@Override
public void onFailure(String source, Throwable t) {
logger.debug("failed to put warmer [{}] on indices [{}]", t, request.name(), request.searchRequest().indices());
listener.onFailure(t);
}
@Override
public ClusterState execute(ClusterState currentState) {
MetaData metaData = currentState.metaData();
String[] concreteIndices = metaData.concreteIndices(request.searchRequest().indices(), request.searchRequest().indicesOptions());
BytesReference source = null;
if (request.searchRequest().source() != null && request.searchRequest().source().length() > 0) {
source = request.searchRequest().source();
} else if (request.searchRequest().extraSource() != null && request.searchRequest().extraSource().length() > 0) {
source = request.searchRequest().extraSource();
}
// now replace it on the metadata
MetaData.Builder mdBuilder = MetaData.builder(currentState.metaData());
for (String index : concreteIndices) {
IndexMetaData indexMetaData = metaData.index(index);
if (indexMetaData == null) {
throw new IndexMissingException(new Index(index));
}
IndexWarmersMetaData warmers = indexMetaData.custom(IndexWarmersMetaData.TYPE);
if (warmers == null) {
logger.info("[{}] putting warmer [{}]", index, request.name());
warmers = new IndexWarmersMetaData(new IndexWarmersMetaData.Entry(request.name(), request.searchRequest().types(), source));
} else {
boolean found = false;
List entries = new ArrayList(warmers.entries().size() + 1);
for (IndexWarmersMetaData.Entry entry : warmers.entries()) {
if (entry.name().equals(request.name())) {
found = true;
entries.add(new IndexWarmersMetaData.Entry(request.name(), request.searchRequest().types(), source));
} else {
entries.add(entry);
}
}
if (!found) {
logger.info("[{}] put warmer [{}]", index, request.name());
entries.add(new IndexWarmersMetaData.Entry(request.name(), request.searchRequest().types(), source));
} else {
logger.info("[{}] update warmer [{}]", index, request.name());
}
warmers = new IndexWarmersMetaData(entries.toArray(new IndexWarmersMetaData.Entry[entries.size()]));
}
IndexMetaData.Builder indexBuilder = IndexMetaData.builder(indexMetaData).putCustom(IndexWarmersMetaData.TYPE, warmers);
mdBuilder.put(indexBuilder);
}
return ClusterState.builder(currentState).metaData(mdBuilder).build();
}
@Override
public void clusterStateProcessed(String source, ClusterState oldState, ClusterState newState) {
}
});
}
@Override
public void onFailure(Throwable e) {
listener.onFailure(e);
}
});
}
}
