org.elasticsearch.reindex.ReindexPlugin Maven / Gradle / Ivy

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The Reindex module adds APIs to reindex from one index to another or update documents in place.
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/*
 * 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.reindex;

import org.elasticsearch.action.ActionRequest;
import org.elasticsearch.action.ActionResponse;
import org.elasticsearch.client.Client;
import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
import org.elasticsearch.cluster.node.DiscoveryNodes;
import org.elasticsearch.cluster.service.ClusterService;
import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
import org.elasticsearch.common.settings.ClusterSettings;
import org.elasticsearch.common.settings.IndexScopedSettings;
import org.elasticsearch.common.settings.Setting;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.env.Environment;
import org.elasticsearch.env.NodeEnvironment;
import org.elasticsearch.index.reindex.BulkByScrollTask;
import org.elasticsearch.index.reindex.DeleteByQueryAction;
import org.elasticsearch.index.reindex.ReindexAction;
import org.elasticsearch.index.reindex.UpdateByQueryAction;
import org.elasticsearch.plugins.ActionPlugin;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.repositories.RepositoriesService;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestHandler;
import org.elasticsearch.script.ScriptService;
import org.elasticsearch.tasks.Task;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.watcher.ResourceWatcherService;
import org.elasticsearch.xcontent.NamedXContentRegistry;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.function.Supplier;

import static java.util.Collections.singletonList;

public class ReindexPlugin extends Plugin implements ActionPlugin {
    public static final String NAME = "reindex";

    @Override
    public List> getActions() {
        return Arrays.asList(
            new ActionHandler<>(ReindexAction.INSTANCE, TransportReindexAction.class),
            new ActionHandler<>(UpdateByQueryAction.INSTANCE, TransportUpdateByQueryAction.class),
            new ActionHandler<>(DeleteByQueryAction.INSTANCE, TransportDeleteByQueryAction.class),
            new ActionHandler<>(RethrottleAction.INSTANCE, TransportRethrottleAction.class)
        );
    }

    @Override
    public List getNamedWriteables() {
        return singletonList(
            new NamedWriteableRegistry.Entry(Task.Status.class, BulkByScrollTask.Status.NAME, BulkByScrollTask.Status::new)
        );
    }

    @Override
    public List getRestHandlers(
        Settings settings,
        RestController restController,
        ClusterSettings clusterSettings,
        IndexScopedSettings indexScopedSettings,
        SettingsFilter settingsFilter,
        IndexNameExpressionResolver indexNameExpressionResolver,
        Supplier nodesInCluster
    ) {
        return Arrays.asList(
            new RestReindexAction(),
            new RestUpdateByQueryAction(),
            new RestDeleteByQueryAction(),
            new RestRethrottleAction(nodesInCluster)
        );
    }

    @Override
    public Collection