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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.repositories;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.env.Environment;
import org.elasticsearch.indices.recovery.RecoverySettings;
import org.elasticsearch.plugins.RepositoryPlugin;
import org.elasticsearch.repositories.fs.FsRepository;
import org.elasticsearch.snapshots.Snapshot;
import org.elasticsearch.snapshots.SnapshotRestoreException;
import org.elasticsearch.transport.TransportService;
import org.elasticsearch.xcontent.NamedXContentRegistry;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.BiConsumer;
/**
* Sets up classes for Snapshot/Restore.
*/
public final class RepositoriesModule {
private final RepositoriesService repositoriesService;
public RepositoriesModule(
Environment env,
List repoPlugins,
TransportService transportService,
ClusterService clusterService,
BigArrays bigArrays,
NamedXContentRegistry namedXContentRegistry,
RecoverySettings recoverySettings
) {
Map factories = new HashMap<>();
factories.put(
FsRepository.TYPE,
metadata -> new FsRepository(metadata, env, namedXContentRegistry, clusterService, bigArrays, recoverySettings)
);
for (RepositoryPlugin repoPlugin : repoPlugins) {
Map newRepoTypes = repoPlugin.getRepositories(
env,
namedXContentRegistry,
clusterService,
bigArrays,
recoverySettings
);
for (Map.Entry entry : newRepoTypes.entrySet()) {
if (factories.put(entry.getKey(), entry.getValue()) != null) {
throw new IllegalArgumentException("Repository type [" + entry.getKey() + "] is already registered");
}
}
}
Map internalFactories = new HashMap<>();
for (RepositoryPlugin repoPlugin : repoPlugins) {
Map newRepoTypes = repoPlugin.getInternalRepositories(
env,
namedXContentRegistry,
clusterService,
recoverySettings
);
for (Map.Entry entry : newRepoTypes.entrySet()) {
if (internalFactories.put(entry.getKey(), entry.getValue()) != null) {
throw new IllegalArgumentException("Internal repository type [" + entry.getKey() + "] is already registered");
}
if (factories.put(entry.getKey(), entry.getValue()) != null) {
throw new IllegalArgumentException(
"Internal repository type [" + entry.getKey() + "] is already registered as a " + "non-internal repository"
);
}
}
}
List> preRestoreChecks = new ArrayList<>();
for (RepositoryPlugin repoPlugin : repoPlugins) {
BiConsumer preRestoreCheck = repoPlugin.addPreRestoreVersionCheck();
if (preRestoreCheck != null) {
preRestoreChecks.add(preRestoreCheck);
}
}
if (preRestoreChecks.isEmpty()) {
preRestoreChecks.add((snapshot, version) -> {
if (version.isLegacyIndexVersion()) {
throw new SnapshotRestoreException(
snapshot,
"the snapshot was created with Elasticsearch version ["
+ version
+ "] which is below the current versions minimum index compatibility version ["
+ Version.CURRENT.minimumIndexCompatibilityVersion()
+ "]"
);
}
});
}
Settings settings = env.settings();
Map repositoryTypes = Collections.unmodifiableMap(factories);
Map internalRepositoryTypes = Collections.unmodifiableMap(internalFactories);
repositoriesService = new RepositoriesService(
settings,
clusterService,
transportService,
repositoryTypes,
internalRepositoryTypes,
transportService.getThreadPool(),
preRestoreChecks
);
}
public RepositoriesService getRepositoryService() {
return repositoriesService;
}
}