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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.close;
import org.apache.logging.log4j.message.ParameterizedMessage;
import org.apache.logging.log4j.util.Supplier;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.admin.indices.open.OpenIndexResponse;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.DestructiveOperations;
import org.elasticsearch.action.support.master.TransportMasterNodeAction;
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.IndexNameExpressionResolver;
import org.elasticsearch.cluster.metadata.MetaDataIndexStateService;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Setting.Property;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Close index action
*/
public class TransportCloseIndexAction extends TransportMasterNodeAction<CloseIndexRequest, CloseIndexResponse> {
private final MetaDataIndexStateService indexStateService;
private final DestructiveOperations destructiveOperations;
private volatile boolean closeIndexEnabled;
public static final Setting<Boolean> CLUSTER_INDICES_CLOSE_ENABLE_SETTING =
Setting.boolSetting("cluster.indices.close.enable", true, Property.Dynamic, Property.NodeScope);
@Inject
public TransportCloseIndexAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, MetaDataIndexStateService indexStateService,
ClusterSettings clusterSettings, ActionFilters actionFilters,
IndexNameExpressionResolver indexNameExpressionResolver, DestructiveOperations destructiveOperations) {
super(settings, CloseIndexAction.NAME, transportService, clusterService, threadPool, actionFilters, indexNameExpressionResolver, CloseIndexRequest::new);
this.indexStateService = indexStateService;
this.destructiveOperations = destructiveOperations;
this.closeIndexEnabled = CLUSTER_INDICES_CLOSE_ENABLE_SETTING.get(settings);
clusterSettings.addSettingsUpdateConsumer(CLUSTER_INDICES_CLOSE_ENABLE_SETTING, this::setCloseIndexEnabled);
}
private void setCloseIndexEnabled(boolean closeIndexEnabled) {
this.closeIndexEnabled = closeIndexEnabled;
}
@Override
protected String executor() {
// no need to use a thread pool, we go async right away
return ThreadPool.Names.SAME;
}
@Override
protected CloseIndexResponse newResponse() {
return new CloseIndexResponse();
}
@Override
protected void doExecute(Task task, CloseIndexRequest request, ActionListener<CloseIndexResponse> listener) {
destructiveOperations.failDestructive(request.indices());
if (closeIndexEnabled == false) {
throw new IllegalStateException("closing indices is disabled - set [" + CLUSTER_INDICES_CLOSE_ENABLE_SETTING.getKey() + ": true] to enable it. NOTE: closed indices still consume a significant amount of diskspace");
}
super.doExecute(task, request, listener);
}
@Override
protected ClusterBlockException checkBlock(CloseIndexRequest request, ClusterState state) {
return state.blocks().indicesBlockedException(ClusterBlockLevel.METADATA_WRITE, indexNameExpressionResolver.concreteIndexNames(state, request));
}
@Override
protected void masterOperation(final CloseIndexRequest request, final ClusterState state, final ActionListener<CloseIndexResponse> listener) {
final Index[] concreteIndices = indexNameExpressionResolver.concreteIndices(state, request);
if (concreteIndices == null || concreteIndices.length == 0) {
listener.onResponse(new CloseIndexResponse(true));
return;
}
CloseIndexClusterStateUpdateRequest updateRequest = new CloseIndexClusterStateUpdateRequest()
.ackTimeout(request.timeout()).masterNodeTimeout(request.masterNodeTimeout())
.indices(concreteIndices);
indexStateService.closeIndex(updateRequest, new ActionListener<ClusterStateUpdateResponse>() {
@Override
public void onResponse(ClusterStateUpdateResponse response) {
listener.onResponse(new CloseIndexResponse(response.isAcknowledged()));
}
@Override
public void onFailure(Exception t) {
logger.debug((Supplier<?>) () -> new ParameterizedMessage("failed to close indices [{}]", (Object) concreteIndices), t);
listener.onFailure(t);
}
});
}
}