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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.flush.FlushRequest;
import org.elasticsearch.action.admin.indices.flush.FlushResponse;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.internal.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.core.RestApiVersion;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestChannel;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.RestStatus;
import org.elasticsearch.rest.action.RestBuilderListener;
import org.elasticsearch.xcontent.XContentBuilder;
import java.io.IOException;
import java.util.List;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestRequest.Method.POST;
public class RestSyncedFlushAction extends BaseRestHandler {
private static final String DEPRECATION_MESSAGE =
"Synced flush is deprecated and will be removed in 8.0. Use flush at /_flush or /{index}/_flush instead.";
@Override
public List routes() {
return List.of(
Route.builder(GET, "/_flush/synced").deprecated(DEPRECATION_MESSAGE, RestApiVersion.V_7).build(),
Route.builder(POST, "/_flush/synced").deprecated(DEPRECATION_MESSAGE, RestApiVersion.V_7).build(),
Route.builder(GET, "/{index}/_flush/synced").deprecated(DEPRECATION_MESSAGE, RestApiVersion.V_7).build(),
Route.builder(POST, "/{index}/_flush/synced").deprecated(DEPRECATION_MESSAGE, RestApiVersion.V_7).build()
);
}
@Override
public String getName() {
return "synced_flush_action";
}
@Override
public RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
final FlushRequest flushRequest = new FlushRequest(Strings.splitStringByCommaToArray(request.param("index")));
flushRequest.indicesOptions(IndicesOptions.fromRequest(request, flushRequest.indicesOptions()));
return channel -> client.admin().indices().flush(flushRequest, new SimulateSyncedFlushResponseListener(channel));
}
static final class SimulateSyncedFlushResponseListener extends RestBuilderListener {
SimulateSyncedFlushResponseListener(RestChannel channel) {
super(channel);
}
@Override
public RestResponse buildResponse(FlushResponse flushResponse, XContentBuilder builder) throws Exception {
builder.startObject();
buildSyncedFlushResponse(builder, flushResponse);
builder.endObject();
final RestStatus restStatus = flushResponse.getFailedShards() == 0 ? RestStatus.OK : RestStatus.CONFLICT;
return new RestResponse(restStatus, builder);
}
private static void buildSyncedFlushResponse(XContentBuilder builder, FlushResponse flushResponse) throws IOException {
builder.startObject("_shards");
builder.field("total", flushResponse.getTotalShards());
builder.field("successful", flushResponse.getSuccessfulShards());
builder.field("failed", flushResponse.getFailedShards());
// can't serialize the detail of each index as we don't have the shard count per index.
builder.endObject();
}
}
}