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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.mapping.delete;
import com.carrotsearch.hppc.cursors.ObjectObjectCursor;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.ShardOperationFailedException;
import org.elasticsearch.action.admin.indices.flush.FlushRequest;
import org.elasticsearch.action.admin.indices.flush.FlushResponse;
import org.elasticsearch.action.admin.indices.flush.TransportFlushAction;
import org.elasticsearch.action.admin.indices.refresh.RefreshRequest;
import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
import org.elasticsearch.action.admin.indices.refresh.TransportRefreshAction;
import org.elasticsearch.action.deletebyquery.DeleteByQueryRequest;
import org.elasticsearch.action.deletebyquery.DeleteByQueryResponse;
import org.elasticsearch.action.deletebyquery.IndexDeleteByQueryResponse;
import org.elasticsearch.action.deletebyquery.TransportDeleteByQueryAction;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.DestructiveOperations;
import org.elasticsearch.action.support.QuerySourceBuilder;
import org.elasticsearch.action.support.broadcast.BroadcastOperationResponse;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.ClusterState;
import org.elasticsearch.cluster.ack.ClusterStateUpdateResponse;
import org.elasticsearch.cluster.block.ClusterBlockException;
import org.elasticsearch.cluster.block.ClusterBlockLevel;
import org.elasticsearch.cluster.metadata.MappingMetaData;
import org.elasticsearch.cluster.metadata.MetaDataMappingService;
import org.elasticsearch.common.collect.ImmutableOpenMap;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.query.BoolFilterBuilder;
import org.elasticsearch.index.query.QueryBuilders;
import org.elasticsearch.index.query.TypeFilterBuilder;
import org.elasticsearch.indices.TypeMissingException;
import org.elasticsearch.node.settings.NodeSettingsService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.HashSet;
import java.util.Set;
/**
* Delete mapping action.
*/
public class TransportDeleteMappingAction extends TransportMasterNodeOperationAction<DeleteMappingRequest, DeleteMappingResponse> {
private final MetaDataMappingService metaDataMappingService;
private final TransportFlushAction flushAction;
private final TransportDeleteByQueryAction deleteByQueryAction;
private final TransportRefreshAction refreshAction;
private final DestructiveOperations destructiveOperations;
@Inject
public TransportDeleteMappingAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, MetaDataMappingService metaDataMappingService,
TransportDeleteByQueryAction deleteByQueryAction, TransportRefreshAction refreshAction,
TransportFlushAction flushAction, NodeSettingsService nodeSettingsService, ActionFilters actionFilters) {
super(settings, DeleteMappingAction.NAME, transportService, clusterService, threadPool, actionFilters);
this.metaDataMappingService = metaDataMappingService;
this.deleteByQueryAction = deleteByQueryAction;
this.refreshAction = refreshAction;
this.flushAction = flushAction;
this.destructiveOperations = new DestructiveOperations(logger, settings, nodeSettingsService);
}
@Override
protected String executor() {
// no need for fork on another thread pool, we go async right away
return ThreadPool.Names.SAME;
}
@Override
protected DeleteMappingRequest newRequest() {
return new DeleteMappingRequest();
}
@Override
protected DeleteMappingResponse newResponse() {
return new DeleteMappingResponse();
}
@Override
protected void doExecute(DeleteMappingRequest request, ActionListener<DeleteMappingResponse> listener) {
destructiveOperations.failDestructive(request.indices());
super.doExecute(request, listener);
}
@Override
protected ClusterBlockException checkBlock(DeleteMappingRequest request, ClusterState state) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA, state.metaData().concreteIndices(request.indicesOptions(), request.indices()));
}
@Override
protected void masterOperation(final DeleteMappingRequest request, final ClusterState state, final ActionListener<DeleteMappingResponse> listener) throws ElasticsearchException {
final String[] concreteIndices = state.metaData().concreteIndices(request.indicesOptions(), request.indices());
flushAction.execute(new FlushRequest(request).indices(concreteIndices), new ActionListener<FlushResponse>() {
@Override
public void onResponse(FlushResponse flushResponse) {
if (logger.isTraceEnabled()) {
traceLogResponse("Flush", flushResponse);
}
// get all types that need to be deleted.
ImmutableOpenMap<String, ImmutableOpenMap<String, MappingMetaData>> result = clusterService.state().metaData().findMappings(
concreteIndices, request.types()
);
// create OrFilter with type filters within to account for different types
BoolFilterBuilder filterBuilder = new BoolFilterBuilder();
Set<String> types = new HashSet<>();
for (ObjectObjectCursor<String, ImmutableOpenMap<String, MappingMetaData>> typesMeta : result) {
for (ObjectObjectCursor<String, MappingMetaData> type : typesMeta.value) {
filterBuilder.should(new TypeFilterBuilder(type.key));
types.add(type.key);
}
}
if (types.size() == 0) {
throw new TypeMissingException(new Index("_all"), request.types(), "No index has the type.");
}
request.types(types.toArray(new String[types.size()]));
QuerySourceBuilder querySourceBuilder = new QuerySourceBuilder()
.setQuery(QueryBuilders.filteredQuery(QueryBuilders.matchAllQuery(), filterBuilder));
DeleteByQueryRequest deleteByQueryRequest = new DeleteByQueryRequest(request).indices(concreteIndices).types(request.types()).source(querySourceBuilder);
deleteByQueryAction.execute(deleteByQueryRequest, new ActionListener<DeleteByQueryResponse>() {
@Override
public void onResponse(DeleteByQueryResponse deleteByQueryResponse) {
if (logger.isTraceEnabled()) {
for (IndexDeleteByQueryResponse indexResponse : deleteByQueryResponse) {
logger.trace("Delete by query[{}] completed with total[{}], successful[{}] and failed[{}]", indexResponse.getIndex(), indexResponse.getTotalShards(), indexResponse.getSuccessfulShards(), indexResponse.getFailedShards());
if (indexResponse.getFailedShards() > 0) {
for (ShardOperationFailedException failure : indexResponse.getFailures()) {
logger.trace("[{}/{}] Delete by query shard failure reason: {}", failure.index(), failure.shardId(), failure.reason());
}
}
}
}
refreshAction.execute(new RefreshRequest(request).indices(concreteIndices), new ActionListener<RefreshResponse>() {
@Override
public void onResponse(RefreshResponse refreshResponse) {
if (logger.isTraceEnabled()) {
traceLogResponse("Refresh", refreshResponse);
}
removeMapping();
}
@Override
public void onFailure(Throwable e) {
if (logger.isDebugEnabled()) {
logger.debug("Refresh failed completely", e);
}
removeMapping();
}
protected void removeMapping() {
DeleteMappingClusterStateUpdateRequest clusterStateUpdateRequest = new DeleteMappingClusterStateUpdateRequest()
.indices(concreteIndices).types(request.types())
.ackTimeout(request.timeout())
.masterNodeTimeout(request.masterNodeTimeout());
metaDataMappingService.removeMapping(clusterStateUpdateRequest, new ActionListener<ClusterStateUpdateResponse>() {
@Override
public void onResponse(ClusterStateUpdateResponse response) {
listener.onResponse(new DeleteMappingResponse(response.isAcknowledged()));
}
@Override
public void onFailure(Throwable t) {
listener.onFailure(t);
}
});
}
});
}
@Override
public void onFailure(Throwable t) {
listener.onFailure(t);
}
});
}
@Override
public void onFailure(Throwable t) {
listener.onFailure(t);
}
});
}
private void traceLogResponse(String action, BroadcastOperationResponse response) {
logger.trace("{} completed with total[{}], successful[{}] and failed[{}]", action, response.getTotalShards(), response.getSuccessfulShards(), response.getFailedShards());
if (response.getFailedShards() > 0) {
for (ShardOperationFailedException failure : response.getShardFailures()) {
logger.trace("[{}/{}] {} shard failure reason: {}", failure.index(), failure.shardId(), action, failure.reason());
}
}
}
}