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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.cluster.snapshots.restore;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.master.TransportMasterNodeOperationAction;
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.metadata.SnapshotId;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.snapshots.RestoreInfo;
import org.elasticsearch.snapshots.RestoreService;
import org.elasticsearch.snapshots.RestoreService.RestoreSnapshotListener;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Transport action for restore snapshot operation
*/
public class TransportRestoreSnapshotAction extends TransportMasterNodeOperationAction<RestoreSnapshotRequest, RestoreSnapshotResponse> {
private final RestoreService restoreService;
@Inject
public TransportRestoreSnapshotAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, RestoreService restoreService, ActionFilters actionFilters) {
super(settings, RestoreSnapshotAction.NAME, transportService, clusterService, threadPool, actionFilters);
this.restoreService = restoreService;
}
@Override
protected String executor() {
return ThreadPool.Names.SNAPSHOT;
}
@Override
protected RestoreSnapshotRequest newRequest() {
return new RestoreSnapshotRequest();
}
@Override
protected RestoreSnapshotResponse newResponse() {
return new RestoreSnapshotResponse();
}
@Override
protected ClusterBlockException checkBlock(RestoreSnapshotRequest request, ClusterState state) {
return state.blocks().indexBlockedException(ClusterBlockLevel.METADATA, "");
}
@Override
protected void masterOperation(final RestoreSnapshotRequest request, ClusterState state, final ActionListener<RestoreSnapshotResponse> listener) throws ElasticsearchException {
RestoreService.RestoreRequest restoreRequest = new RestoreService.RestoreRequest(
"restore_snapshot[" + request.snapshot() + "]", request.repository(), request.snapshot(),
request.indices(), request.indicesOptions(), request.renamePattern(), request.renameReplacement(),
request.settings(), request.masterNodeTimeout(), request.includeGlobalState(), request.partial(), request.includeAliases());
restoreService.restoreSnapshot(restoreRequest, new RestoreSnapshotListener() {
@Override
public void onResponse(RestoreInfo restoreInfo) {
if (restoreInfo == null) {
if (request.waitForCompletion()) {
restoreService.addListener(new RestoreService.RestoreCompletionListener() {
SnapshotId snapshotId = new SnapshotId(request.repository(), request.snapshot());
@Override
public void onRestoreCompletion(SnapshotId snapshotId, RestoreInfo snapshot) {
if (this.snapshotId.equals(snapshotId)) {
listener.onResponse(new RestoreSnapshotResponse(snapshot));
restoreService.removeListener(this);
}
}
});
} else {
listener.onResponse(new RestoreSnapshotResponse(null));
}
} else {
listener.onResponse(new RestoreSnapshotResponse(restoreInfo));
}
}
@Override
public void onFailure(Throwable t) {
listener.onFailure(t);
}
});
}
}