org.elasticsearch.action.admin.cluster.snapshots.features.TransportSnapshottableFeaturesAction 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.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.indices.SystemIndices;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
public class TransportSnapshottableFeaturesAction extends TransportMasterNodeAction<
GetSnapshottableFeaturesRequest,
GetSnapshottableFeaturesResponse> {
private final SystemIndices systemIndices;
@Inject
public TransportSnapshottableFeaturesAction(
TransportService transportService,
ClusterService clusterService,
ThreadPool threadPool,
ActionFilters actionFilters,
IndexNameExpressionResolver indexNameExpressionResolver,
SystemIndices systemIndices
) {
super(
SnapshottableFeaturesAction.NAME,
transportService,
clusterService,
threadPool,
actionFilters,
GetSnapshottableFeaturesRequest::new,
indexNameExpressionResolver,
GetSnapshottableFeaturesResponse::new,
ThreadPool.Names.SAME
);
this.systemIndices = systemIndices;
}
@Override
protected void masterOperation(
Task task,
GetSnapshottableFeaturesRequest request,
ClusterState state,
ActionListener listener
) throws Exception {
listener.onResponse(
new GetSnapshottableFeaturesResponse(
systemIndices.getFeatures()
.stream()
.map(feature -> new GetSnapshottableFeaturesResponse.SnapshottableFeature(feature.getName(), feature.getDescription()))
.toList()
)
);
}
@Override
protected ClusterBlockException checkBlock(GetSnapshottableFeaturesRequest request, ClusterState state) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA_READ);
}
}