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* 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.
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package org.elasticsearch.action.admin.indices.upgrade.get;
import org.elasticsearch.Version;
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.engine.Segment;
import org.elasticsearch.index.shard.IndexShard;
import org.elasticsearch.indices.IndicesService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.io.IOException;
import java.util.List;
public class TransportUpgradeStatusAction extends TransportBroadcastByNodeAction<UpgradeStatusRequest, UpgradeStatusResponse, ShardUpgradeStatus> {
private final IndicesService indicesService;
@Inject
public TransportUpgradeStatusAction(Settings settings, ThreadPool threadPool, ClusterService clusterService, TransportService transportService,
IndicesService indicesService, ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, UpgradeStatusAction.NAME, threadPool, clusterService, transportService, actionFilters, indexNameExpressionResolver,
UpgradeStatusRequest::new, ThreadPool.Names.MANAGEMENT);
this.indicesService = indicesService;
}
/**
* Getting upgrade stats from *all* active shards.
*/
@Override
protected ShardsIterator shards(ClusterState clusterState, UpgradeStatusRequest request, String[] concreteIndices) {
return clusterState.routingTable().allShards(concreteIndices);
}
@Override
protected ClusterBlockException checkGlobalBlock(ClusterState state, UpgradeStatusRequest request) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA_READ);
}
@Override
protected ClusterBlockException checkRequestBlock(ClusterState state, UpgradeStatusRequest countRequest, String[] concreteIndices) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA_READ, concreteIndices);
}
@Override
protected ShardUpgradeStatus readShardResult(StreamInput in) throws IOException {
return ShardUpgradeStatus.readShardUpgradeStatus(in);
}
@Override
protected UpgradeStatusResponse newResponse(UpgradeStatusRequest request, int totalShards, int successfulShards, int failedShards, List<ShardUpgradeStatus> responses, List<ShardOperationFailedException> shardFailures, ClusterState clusterState) {
return new UpgradeStatusResponse(responses.toArray(new ShardUpgradeStatus[responses.size()]), totalShards, successfulShards, failedShards, shardFailures);
}
@Override
protected UpgradeStatusRequest readRequestFrom(StreamInput in) throws IOException {
UpgradeStatusRequest request = new UpgradeStatusRequest();
request.readFrom(in);
return request;
}
@Override
protected ShardUpgradeStatus shardOperation(UpgradeStatusRequest request, ShardRouting shardRouting) {
IndexService indexService = indicesService.indexServiceSafe(shardRouting.shardId().getIndex());
IndexShard indexShard = indexService.getShard(shardRouting.shardId().id());
List<Segment> segments = indexShard.segments(false);
long total_bytes = 0;
long to_upgrade_bytes = 0;
long to_upgrade_bytes_ancient = 0;
for (Segment seg : segments) {
total_bytes += seg.sizeInBytes;
if (seg.version.major != Version.CURRENT.luceneVersion.major) {
to_upgrade_bytes_ancient += seg.sizeInBytes;
to_upgrade_bytes += seg.sizeInBytes;
} else if (seg.version.minor != Version.CURRENT.luceneVersion.minor) {
// TODO: this comparison is bogus! it would cause us to upgrade even with the same format
// instead, we should check if the codec has changed
to_upgrade_bytes += seg.sizeInBytes;
}
}
return new ShardUpgradeStatus(indexShard.routingEntry(), total_bytes, to_upgrade_bytes, to_upgrade_bytes_ancient);
}
}