org.elasticsearch.action.admin.cluster.snapshots.delete.TransportDeleteSnapshotAction Maven / Gradle / Ivy
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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.delete;
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.SnapshotsService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
* Transport action for delete snapshot operation
*/
public class TransportDeleteSnapshotAction extends TransportMasterNodeAction {
private final SnapshotsService snapshotsService;
@Inject
public TransportDeleteSnapshotAction(Settings settings, TransportService transportService, ClusterService clusterService,
ThreadPool threadPool, SnapshotsService snapshotsService, ActionFilters actionFilters,
IndexNameExpressionResolver indexNameExpressionResolver) {
super(settings, DeleteSnapshotAction.NAME, transportService, clusterService, threadPool, actionFilters, indexNameExpressionResolver, DeleteSnapshotRequest::new);
this.snapshotsService = snapshotsService;
}
@Override
protected String executor() {
return ThreadPool.Names.GENERIC;
}
@Override
protected DeleteSnapshotResponse newResponse() {
return new DeleteSnapshotResponse();
}
@Override
protected ClusterBlockException checkBlock(DeleteSnapshotRequest request, ClusterState state) {
// Cluster is not affected but we look up repositories in metadata
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA_READ);
}
@Override
protected void masterOperation(final DeleteSnapshotRequest request, ClusterState state, final ActionListener listener) {
snapshotsService.deleteSnapshot(request.repository(), request.snapshot(), new SnapshotsService.DeleteSnapshotListener() {
@Override
public void onResponse() {
listener.onResponse(new DeleteSnapshotResponse(true));
}
@Override
public void onFailure(Exception e) {
listener.onFailure(e);
}
}, false);
}
}