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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.action.admin.indices.recovery;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.broadcast.node.TransportBroadcastByNodeAction;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.cluster.routing.ShardsIterator;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.IndexService;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.indices.recovery.RecoveryState;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Transport action for shard recovery operation. This transport action does not actually
* perform shard recovery, it only reports on recoveries (both active and complete).
*/
public class TransportRecoveryAction extends TransportBroadcastByNodeAction<RecoveryRequest, RecoveryResponse, RecoveryState> {
private final IndicesService indicesService;
@Inject
public TransportRecoveryAction(Settings settings, ThreadPool threadPool, ClusterService clusterService,
TransportService transportService, IndicesService indicesService,
ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, RecoveryAction.NAME, threadPool, clusterService, transportService, actionFilters, indexNameExpressionResolver,
RecoveryRequest::new, ThreadPool.Names.MANAGEMENT);
this.indicesService = indicesService;
}
@Override
protected RecoveryState readShardResult(StreamInput in) throws IOException {
return RecoveryState.readRecoveryState(in);
}
@Override
protected RecoveryResponse newResponse(RecoveryRequest request, int totalShards, int successfulShards, int failedShards, List<RecoveryState> responses, List<ShardOperationFailedException> shardFailures, ClusterState clusterState) {
Map<String, List<RecoveryState>> shardResponses = new HashMap<>();
for (RecoveryState recoveryState : responses) {
if (recoveryState == null) {
continue;
}
String indexName = recoveryState.getShardId().getIndexName();
if (!shardResponses.containsKey(indexName)) {
shardResponses.put(indexName, new ArrayList<>());
}
if (request.activeOnly()) {
if (recoveryState.getStage() != RecoveryState.Stage.DONE) {
shardResponses.get(indexName).add(recoveryState);
}
} else {
shardResponses.get(indexName).add(recoveryState);
}
}
return new RecoveryResponse(totalShards, successfulShards, failedShards, request.detailed(), shardResponses, shardFailures);
}
@Override
protected RecoveryRequest readRequestFrom(StreamInput in) throws IOException {
final RecoveryRequest recoveryRequest = new RecoveryRequest();
recoveryRequest.readFrom(in);
return recoveryRequest;
}
@Override
protected RecoveryState shardOperation(RecoveryRequest request, ShardRouting shardRouting) {
IndexService indexService = indicesService.indexServiceSafe(shardRouting.shardId().getIndex());
IndexShard indexShard = indexService.getShard(shardRouting.shardId().id());
return indexShard.recoveryState();
}
@Override
protected ShardsIterator shards(ClusterState state, RecoveryRequest request, String[] concreteIndices) {
return state.routingTable().allShardsIncludingRelocationTargets(concreteIndices);
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, RecoveryRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.READ);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, RecoveryRequest request, String[] concreteIndices) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.READ, concreteIndices);
}
}