org.elasticsearch.action.admin.cluster.migration.TransportPostFeatureUpgradeAction Maven / Gradle / Ivy
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Elasticsearch subproject :distribution:archives:integ-test-zip
/*
* 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.migration;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.elasticsearch.ElasticsearchException;
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.persistent.PersistentTasksService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
import org.elasticsearch.upgrades.SystemIndexMigrationTaskParams;
import java.util.Comparator;
import java.util.EnumSet;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static org.elasticsearch.action.admin.cluster.migration.TransportGetFeatureUpgradeStatusAction.getFeatureUpgradeStatus;
import static org.elasticsearch.upgrades.SystemIndexMigrationTaskParams.SYSTEM_INDEX_UPGRADE_TASK_NAME;
/**
* Transport action for post feature upgrade action
*/
public class TransportPostFeatureUpgradeAction extends TransportMasterNodeAction {
private static final Logger logger = LogManager.getLogger(TransportPostFeatureUpgradeAction.class);
private final SystemIndices systemIndices;
private final PersistentTasksService persistentTasksService;
@Inject
public TransportPostFeatureUpgradeAction(
TransportService transportService,
ThreadPool threadPool,
ActionFilters actionFilters,
ClusterService clusterService,
IndexNameExpressionResolver indexNameExpressionResolver,
SystemIndices systemIndices,
PersistentTasksService persistentTasksService
) {
super(
PostFeatureUpgradeAction.NAME,
transportService,
clusterService,
threadPool,
actionFilters,
PostFeatureUpgradeRequest::new,
indexNameExpressionResolver,
PostFeatureUpgradeResponse::new,
ThreadPool.Names.SAME
);
this.systemIndices = systemIndices;
this.persistentTasksService = persistentTasksService;
}
@Override
protected void masterOperation(
PostFeatureUpgradeRequest request,
ClusterState state,
ActionListener listener
) throws Exception {
final Set upgradableStatuses = EnumSet.of(
GetFeatureUpgradeStatusResponse.UpgradeStatus.MIGRATION_NEEDED,
GetFeatureUpgradeStatusResponse.UpgradeStatus.ERROR
);
List featuresToMigrate = systemIndices.getFeatures()
.stream()
.map(feature -> getFeatureUpgradeStatus(state, feature))
.filter(status -> upgradableStatuses.contains(status.getUpgradeStatus()))
.map(GetFeatureUpgradeStatusResponse.FeatureUpgradeStatus::getFeatureName)
.map(PostFeatureUpgradeResponse.Feature::new)
.sorted(Comparator.comparing(PostFeatureUpgradeResponse.Feature::getFeatureName)) // consistent ordering to simplify testing
.collect(Collectors.toList());
if (featuresToMigrate.isEmpty() == false) {
persistentTasksService.sendStartRequest(
SYSTEM_INDEX_UPGRADE_TASK_NAME,
SYSTEM_INDEX_UPGRADE_TASK_NAME,
new SystemIndexMigrationTaskParams(),
ActionListener.wrap(
startedTask -> { listener.onResponse(new PostFeatureUpgradeResponse(true, featuresToMigrate, null, null)); },
ex -> {
logger.error("failed to start system index upgrade task", ex);
listener.onResponse(new PostFeatureUpgradeResponse(false, null, null, new ElasticsearchException(ex)));
}
)
);
} else {
listener.onResponse(new PostFeatureUpgradeResponse(false, null, "No system indices require migration", null));
}
}
@Override
protected ClusterBlockException checkBlock(PostFeatureUpgradeRequest request, ClusterState state) {
return state.blocks().globalBlockedException(ClusterBlockLevel.METADATA_WRITE);
}
}