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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.create;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.master.TransportMasterNodeAction;
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.service.ClusterService;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.snapshots.Snapshot;
import org.elasticsearch.snapshots.SnapshotInfo;
import org.elasticsearch.snapshots.SnapshotsService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Transport action for create snapshot operation
*/
public class TransportCreateSnapshotAction extends TransportMasterNodeAction<CreateSnapshotRequest, CreateSnapshotResponse> {
private final SnapshotsService snapshotsService;
@Inject
public TransportCreateSnapshotAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, SnapshotsService snapshotsService, ActionFilters actionFilters,
IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, CreateSnapshotAction.NAME, transportService, clusterService, threadPool, actionFilters, indexNameExpressionResolver, CreateSnapshotRequest::new);
this.snapshotsService = snapshotsService;
}
@Override
protected String executor() {
return ThreadPool.Names.SNAPSHOT;
}
@Override
protected CreateSnapshotResponse newResponse() {
return new CreateSnapshotResponse();
}
@Override
protected ClusterBlockException checkBlock(CreateSnapshotRequest request, ClusterState state) {
// We are reading the cluster metadata and indices - so we need to check both blocks
ClusterBlockException clusterBlockException = state.blocks().globalBlockedException(ClusterBlockLevel.METADATA_READ);
if (clusterBlockException != null) {
return clusterBlockException;
}
return state.blocks().indicesBlockedException(ClusterBlockLevel.READ, indexNameExpressionResolver.concreteIndexNames(state, request));
}
@Override
protected void masterOperation(final CreateSnapshotRequest request, ClusterState state, final ActionListener<CreateSnapshotResponse> listener) {
SnapshotsService.SnapshotRequest snapshotRequest =
new SnapshotsService.SnapshotRequest(request.repository(), request.snapshot(), "create_snapshot [" + request.snapshot() + "]")
.indices(request.indices())
.indicesOptions(request.indicesOptions())
.partial(request.partial())
.settings(request.settings())
.includeGlobalState(request.includeGlobalState())
.masterNodeTimeout(request.masterNodeTimeout());
snapshotsService.createSnapshot(snapshotRequest, new SnapshotsService.CreateSnapshotListener() {
@Override
public void onResponse() {
if (request.waitForCompletion()) {
snapshotsService.addListener(new SnapshotsService.SnapshotCompletionListener() {
@Override
public void onSnapshotCompletion(Snapshot snapshot, SnapshotInfo snapshotInfo) {
if (snapshot.getRepository().equals(request.repository()) &&
snapshot.getSnapshotId().getName().equals(request.snapshot())) {
listener.onResponse(new CreateSnapshotResponse(snapshotInfo));
snapshotsService.removeListener(this);
}
}
@Override
public void onSnapshotFailure(Snapshot snapshot, Exception e) {
if (snapshot.getRepository().equals(request.repository()) &&
snapshot.getSnapshotId().getName().equals(request.snapshot())) {
listener.onFailure(e);
snapshotsService.removeListener(this);
}
}
});
} else {
listener.onResponse(new CreateSnapshotResponse());
}
}
@Override
public void onFailure(Exception e) {
listener.onFailure(e);
}
});
}
}