org.elasticsearch.action.admin.cluster.snapshots.features.TransportResetFeatureStateAction Maven / Gradle / Ivy
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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.action.admin.cluster.snapshots.features;
import org.elasticsearch.action.ActionListener;
import org.elasticsearch.action.support.ActionFilters;
import org.elasticsearch.action.support.GroupedActionListener;
import org.elasticsearch.action.support.master.TransportMasterNodeAction;
import org.elasticsearch.client.internal.node.NodeClient;
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.indices.SystemIndices;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import java.util.ArrayList;
import java.util.Collections;
/**
* Transport action for cleaning up feature index state.
*/
public class TransportResetFeatureStateAction extends TransportMasterNodeAction {
private final SystemIndices systemIndices;
private final NodeClient client;
@Inject
public TransportResetFeatureStateAction(
TransportService transportService,
ThreadPool threadPool,
ActionFilters actionFilters,
SystemIndices systemIndices,
NodeClient client,
ClusterService clusterService,
IndexNameExpressionResolver indexNameExpressionResolver
) {
super(
ResetFeatureStateAction.NAME,
transportService,
clusterService,
threadPool,
actionFilters,
ResetFeatureStateRequest::fromStream,
indexNameExpressionResolver,
ResetFeatureStateResponse::new,
ThreadPool.Names.SAME
);
this.systemIndices = systemIndices;
this.client = client;
}
@Override
protected void masterOperation(
Task task,
ResetFeatureStateRequest request,
ClusterState state,
ActionListener listener
) throws Exception {
if (systemIndices.getFeatures().size() == 0) {
listener.onResponse(new ResetFeatureStateResponse(Collections.emptyList()));
}
final int features = systemIndices.getFeatures().size();
GroupedActionListener groupedActionListener = new GroupedActionListener<>(
listener.map(responses -> {
assert features == responses.size();
return new ResetFeatureStateResponse(new ArrayList<>(responses));
}),
systemIndices.getFeatures().size()
);
for (SystemIndices.Feature feature : systemIndices.getFeatures()) {
feature.getCleanUpFunction().apply(clusterService, client, groupedActionListener);
}
}
@Override
protected ClusterBlockException checkBlock(ResetFeatureStateRequest request, ClusterState state) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA_WRITE);
}
}