org.elasticsearch.rest.action.admin.indices.RestIndicesShardStoresAction Maven / Gradle / Ivy

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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.rest.action.admin.indices;

import org.elasticsearch.action.admin.indices.shards.IndicesShardStoresAction;
import org.elasticsearch.action.admin.indices.shards.IndicesShardStoresRequest;
import org.elasticsearch.action.admin.indices.shards.IndicesShardStoresResponse;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.RestBuilderListener;
import org.elasticsearch.xcontent.XContentBuilder;

import java.io.IOException;
import java.util.List;

import static java.util.Arrays.asList;
import static java.util.Collections.unmodifiableList;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestStatus.OK;

/**
 * Rest action for {@link IndicesShardStoresAction}
 */
public class RestIndicesShardStoresAction extends BaseRestHandler {

    @Override
    public List routes() {
        return unmodifiableList(asList(new Route(GET, "/_shard_stores"), new Route(GET, "/{index}/_shard_stores")));
    }

    @Override
    public String getName() {
        return "indices_shard_stores_action";
    }

    @Override
    public boolean allowSystemIndexAccessByDefault() {
        return true;
    }

    @Override
    public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
        IndicesShardStoresRequest indicesShardStoresRequest = new IndicesShardStoresRequest(
            Strings.splitStringByCommaToArray(request.param("index"))
        );
        if (request.hasParam("status")) {
            indicesShardStoresRequest.shardStatuses(Strings.splitStringByCommaToArray(request.param("status")));
        }
        indicesShardStoresRequest.indicesOptions(IndicesOptions.fromRequest(request, indicesShardStoresRequest.indicesOptions()));
        return channel -> client.admin()
            .indices()
            .shardStores(indicesShardStoresRequest, new RestBuilderListener(channel) {
                @Override
                public RestResponse buildResponse(IndicesShardStoresResponse response, XContentBuilder builder) throws Exception {
                    builder.startObject();
                    response.toXContent(builder, request);
                    builder.endObject();
                    return new BytesRestResponse(OK, builder);
                }
            });
    }
}