/*
* Licensed to ElasticSearch and Shay Banon 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.stats;
import com.google.common.collect.Lists;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.support.DefaultShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastShardOperationFailedException;
import org.elasticsearch.action.support.broadcast.BroadcastShardOperationRequest;
import org.elasticsearch.action.support.broadcast.TransportBroadcastOperationAction;
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.routing.GroupShardsIterator;
import org.elasticsearch.cluster.routing.ShardRouting;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.service.InternalIndexService;
import org.elasticsearch.index.shard.service.InternalIndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.atomic.AtomicReferenceArray;
import static com.google.common.collect.Lists.newArrayList;
/**
*/
public class TransportIndicesStatsAction extends TransportBroadcastOperationAction<IndicesStatsRequest, IndicesStats, TransportIndicesStatsAction.IndexShardStatsRequest, ShardStats> {
private final IndicesService indicesService;
@Inject
public TransportIndicesStatsAction(Settings settings, ThreadPool threadPool, ClusterService clusterService, TransportService transportService,
IndicesService indicesService) {
super(settings, threadPool, clusterService, transportService);
this.indicesService = indicesService;
}
@Override
protected String executor() {
return ThreadPool.Names.MANAGEMENT;
}
@Override
protected String transportAction() {
return IndicesStatsAction.NAME;
}
@Override
protected IndicesStatsRequest newRequest() {
return new IndicesStatsRequest();
}
@Override
protected boolean ignoreNonActiveExceptions() {
return true;
}
/**
* Status goes across *all* shards.
*/
@Override
protected GroupShardsIterator shards(ClusterState clusterState, IndicesStatsRequest request, String[] concreteIndices) {
return clusterState.routingTable().allAssignedShardsGrouped(concreteIndices, true);
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, IndicesStatsRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, IndicesStatsRequest request, String[] concreteIndices) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, concreteIndices);
}
@Override
protected IndicesStats newResponse(IndicesStatsRequest request, AtomicReferenceArray shardsResponses, ClusterState clusterState) {
int successfulShards = 0;
int failedShards = 0;
List<ShardOperationFailedException> shardFailures = null;
final List<ShardStats> shards = Lists.newArrayList();
for (int i = 0; i < shardsResponses.length(); i++) {
Object shardResponse = shardsResponses.get(i);
if (shardResponse == null) {
// simply ignore non active shards
} else if (shardResponse instanceof BroadcastShardOperationFailedException) {
failedShards++;
if (shardFailures == null) {
shardFailures = newArrayList();
}
shardFailures.add(new DefaultShardOperationFailedException((BroadcastShardOperationFailedException) shardResponse));
} else {
shards.add((ShardStats) shardResponse);
successfulShards++;
}
}
return new IndicesStats(shards.toArray(new ShardStats[shards.size()]), clusterState, shardsResponses.length(), successfulShards, failedShards, shardFailures);
}
@Override
protected IndexShardStatsRequest newShardRequest() {
return new IndexShardStatsRequest();
}
@Override
protected IndexShardStatsRequest newShardRequest(ShardRouting shard, IndicesStatsRequest request) {
return new IndexShardStatsRequest(shard.index(), shard.id(), request);
}
@Override
protected ShardStats newShardResponse() {
return new ShardStats();
}
@Override
protected ShardStats shardOperation(IndexShardStatsRequest request) throws ElasticSearchException {
InternalIndexService indexService = (InternalIndexService) indicesService.indexServiceSafe(request.index());
InternalIndexShard indexShard = (InternalIndexShard) indexService.shardSafe(request.shardId());
ShardStats stats = new ShardStats(indexShard.routingEntry());
if (request.request.docs()) {
stats.stats.docs = indexShard.docStats();
}
if (request.request.store()) {
stats.stats.store = indexShard.storeStats();
}
if (request.request.indexing()) {
stats.stats.indexing = indexShard.indexingStats(request.request.types());
}
if (request.request.get()) {
stats.stats.get = indexShard.getStats();
}
if (request.request.search()) {
stats.stats().search = indexShard.searchStats(request.request.groups());
}
if (request.request.merge()) {
stats.stats.merge = indexShard.mergeStats();
}
if (request.request.refresh()) {
stats.stats.refresh = indexShard.refreshStats();
}
if (request.request.flush()) {
stats.stats.flush = indexShard.flushStats();
}
if (request.request.warmer()) {
stats.stats.warmer = indexShard.warmerStats();
}
return stats;
}
public static class IndexShardStatsRequest extends BroadcastShardOperationRequest {
// TODO if there are many indices, the request might hold a large indices array..., we don't really need to serialize it
IndicesStatsRequest request;
IndexShardStatsRequest() {
}
IndexShardStatsRequest(String index, int shardId, IndicesStatsRequest request) {
super(index, shardId, request);
this.request = request;
}
@Override
public void readFrom(StreamInput in) throws IOException {
super.readFrom(in);
request = new IndicesStatsRequest();
request.readFrom(in);
}
@Override
public void writeTo(StreamOutput out) throws IOException {
super.writeTo(out);
request.writeTo(out);
}
}
}