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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.elasticsearch.Version;
import org.elasticsearch.action.admin.indices.upgrade.get.UpgradeStatusRequest;
import org.elasticsearch.action.admin.indices.upgrade.get.UpgradeStatusResponse;
import org.elasticsearch.action.admin.indices.upgrade.post.UpgradeRequest;
import org.elasticsearch.action.admin.indices.upgrade.post.UpgradeResponse;
import org.elasticsearch.action.support.IndicesOptions;
import org.elasticsearch.client.node.NodeClient;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.rest.BaseRestHandler;
import org.elasticsearch.rest.BytesRestResponse;
import org.elasticsearch.rest.RestController;
import org.elasticsearch.rest.RestRequest;
import org.elasticsearch.rest.RestResponse;
import org.elasticsearch.rest.action.RestBuilderListener;
import java.io.IOException;
import java.util.Map;
import static org.elasticsearch.rest.RestRequest.Method.GET;
import static org.elasticsearch.rest.RestRequest.Method.POST;
import static org.elasticsearch.rest.RestStatus.OK;
import static org.elasticsearch.rest.action.RestActions.buildBroadcastShardsHeader;
public class RestUpgradeAction extends BaseRestHandler {
public RestUpgradeAction(Settings settings, RestController controller) {
super(settings);
controller.registerHandler(POST, "/_upgrade", this);
controller.registerHandler(POST, "/{index}/_upgrade", this);
controller.registerHandler(GET, "/_upgrade", this);
controller.registerHandler(GET, "/{index}/_upgrade", this);
}
@Override
public RestChannelConsumer prepareRequest(RestRequest request, NodeClient client) throws IOException {
if (request.method().equals(RestRequest.Method.GET)) {
return handleGet(request, client);
} else if (request.method().equals(RestRequest.Method.POST)) {
return handlePost(request, client);
} else {
throw new IllegalArgumentException("illegal method [" + request.method() + "] for request [" + request.path() + "]");
}
}
private RestChannelConsumer handleGet(final RestRequest request, NodeClient client) {
UpgradeStatusRequest statusRequest = new UpgradeStatusRequest(Strings.splitStringByCommaToArray(request.param("index")));
statusRequest.indicesOptions(IndicesOptions.fromRequest(request, statusRequest.indicesOptions()));
return channel -> client.admin().indices().upgradeStatus(statusRequest, new RestBuilderListener<UpgradeStatusResponse>(channel) {
@Override
public RestResponse buildResponse(UpgradeStatusResponse response, XContentBuilder builder) throws Exception {
builder.startObject();
response.toXContent(builder, request);
builder.endObject();
return new BytesRestResponse(OK, builder);
}
});
}
private RestChannelConsumer handlePost(final RestRequest request, NodeClient client) {
UpgradeRequest upgradeReq = new UpgradeRequest(Strings.splitStringByCommaToArray(request.param("index")));
upgradeReq.indicesOptions(IndicesOptions.fromRequest(request, upgradeReq.indicesOptions()));
upgradeReq.upgradeOnlyAncientSegments(request.paramAsBoolean("only_ancient_segments", false));
return channel -> client.admin().indices().upgrade(upgradeReq, new RestBuilderListener<UpgradeResponse>(channel) {
@Override
public RestResponse buildResponse(UpgradeResponse response, XContentBuilder builder) throws Exception {
builder.startObject();
buildBroadcastShardsHeader(builder, request, response);
builder.startObject("upgraded_indices");
for (Map.Entry<String, Tuple<Version, String>> entry : response.versions().entrySet()) {
builder.startObject(entry.getKey());
builder.field("upgrade_version", entry.getValue().v1());
builder.field("oldest_lucene_segment_version", entry.getValue().v2());
builder.endObject();
}
builder.endObject();
builder.endObject();
return new BytesRestResponse(OK, builder);
}
});
}
}