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/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.rest.action.admin.indices;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.LogManager;
import org.elasticsearch.Version;
import org.elasticsearch.action.admin.indices.shrink.ResizeRequest;
import org.elasticsearch.action.admin.indices.shrink.ResizeType;
import org.elasticsearch.action.support.ActiveShardCount;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.Booleans;
import org.elasticsearch.common.logging.DeprecationLogger;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.action.RestToXContentListener;
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.POST;
import static org.elasticsearch.rest.RestRequest.Method.PUT;
public abstract class RestResizeHandler extends BaseRestHandler {
private static final Logger logger = LogManager.getLogger(RestResizeHandler.class);
private static final DeprecationLogger deprecationLogger = new DeprecationLogger(logger);
RestResizeHandler() {
}
@Override
public abstract String getName();
abstract ResizeType getResizeType();
@Override
public final RestChannelConsumer prepareRequest(final RestRequest request, final NodeClient client) throws IOException {
final ResizeRequest resizeRequest = new ResizeRequest(request.param("target"), request.param("index"));
resizeRequest.setResizeType(getResizeType());
// copy_settings should be removed in Elasticsearch 8.0.0; cf. https://github.com/elastic/elasticsearch/issues/28347
assert Version.CURRENT.major < 8;
final String rawCopySettings = request.param("copy_settings");
final Boolean copySettings;
if (rawCopySettings == null) {
copySettings = resizeRequest.getCopySettings();
} else {
if (rawCopySettings.isEmpty()) {
copySettings = true;
} else {
copySettings = Booleans.parseBoolean(rawCopySettings);
if (copySettings == false) {
throw new IllegalArgumentException("parameter [copy_settings] can not be explicitly set to [false]");
}
}
deprecationLogger.deprecated("parameter [copy_settings] is deprecated and will be removed in 8.0.0");
}
resizeRequest.setCopySettings(copySettings);
request.applyContentParser(resizeRequest::fromXContent);
resizeRequest.timeout(request.paramAsTime("timeout", resizeRequest.timeout()));
resizeRequest.masterNodeTimeout(request.paramAsTime("master_timeout", resizeRequest.masterNodeTimeout()));
resizeRequest.setWaitForActiveShards(ActiveShardCount.parseString(request.param("wait_for_active_shards")));
return channel -> client.admin().indices().resizeIndex(resizeRequest, new RestToXContentListener<>(channel));
}
public static class RestShrinkIndexAction extends RestResizeHandler {
@Override
public List routes() {
return unmodifiableList(asList(
new Route(POST, "/{index}/_shrink/{target}"),
new Route(PUT, "/{index}/_shrink/{target}")));
}
@Override
public String getName() {
return "shrink_index_action";
}
@Override
protected ResizeType getResizeType() {
return ResizeType.SHRINK;
}
}
public static class RestSplitIndexAction extends RestResizeHandler {
@Override
public List routes() {
return unmodifiableList(asList(
new Route(POST, "/{index}/_split/{target}"),
new Route(PUT, "/{index}/_split/{target}")));
}
@Override
public String getName() {
return "split_index_action";
}
@Override
protected ResizeType getResizeType() {
return ResizeType.SPLIT;
}
}
public static class RestCloneIndexAction extends RestResizeHandler {
@Override
public List routes() {
return unmodifiableList(asList(
new Route(POST, "/{index}/_clone/{target}"),
new Route(PUT, "/{index}/_clone/{target}")));
}
@Override
public String getName() {
return "clone_index_action";
}
@Override
protected ResizeType getResizeType() {
return ResizeType.CLONE;
}
}
}