| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF 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.apache.bookkeeper.server.http.service; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import com.google.common.collect.Lists; |
| import java.io.File; |
| import java.net.URI; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.bookkeeper.bookie.BookieException; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.http.HttpServer; |
| import org.apache.bookkeeper.http.service.HttpEndpointService; |
| import org.apache.bookkeeper.http.service.HttpServiceRequest; |
| import org.apache.bookkeeper.http.service.HttpServiceResponse; |
| import org.apache.bookkeeper.meta.MetadataBookieDriver; |
| import org.apache.bookkeeper.meta.MetadataDrivers; |
| import org.apache.bookkeeper.stats.NullStatsLogger; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * HttpEndpointService that handle Bookkeeper expand storage related http request. |
| * The PUT method will expand this bookie's storage. |
| * User should update the directories info in the conf file with new empty ledger/index |
| * directories, before running the command. |
| */ |
| public class ExpandStorageService implements HttpEndpointService { |
| |
| static final Logger LOG = LoggerFactory.getLogger(ExpandStorageService.class); |
| |
| protected ServerConfiguration conf; |
| |
| public ExpandStorageService(ServerConfiguration conf) { |
| checkNotNull(conf); |
| this.conf = conf; |
| } |
| |
| /* |
| * Add new empty ledger/index directories. |
| * Update the directories info in the conf file before running the command. |
| */ |
| @Override |
| public HttpServiceResponse handle(HttpServiceRequest request) throws Exception { |
| HttpServiceResponse response = new HttpServiceResponse(); |
| |
| if (HttpServer.Method.PUT == request.getMethod()) { |
| File[] ledgerDirectories = BookieImpl.getCurrentDirectories(conf.getLedgerDirs()); |
| File[] journalDirectories = BookieImpl.getCurrentDirectories(conf.getJournalDirs()); |
| File[] indexDirectories; |
| if (null == conf.getIndexDirs()) { |
| indexDirectories = ledgerDirectories; |
| } else { |
| indexDirectories = BookieImpl.getCurrentDirectories(conf.getIndexDirs()); |
| } |
| |
| List<File> allLedgerDirs = Lists.newArrayList(); |
| allLedgerDirs.addAll(Arrays.asList(ledgerDirectories)); |
| if (indexDirectories != ledgerDirectories) { |
| allLedgerDirs.addAll(Arrays.asList(indexDirectories)); |
| } |
| |
| try (MetadataBookieDriver driver = MetadataDrivers.getBookieDriver( |
| URI.create(conf.getMetadataServiceUri()) |
| )) { |
| driver.initialize(conf, () -> { }, NullStatsLogger.INSTANCE); |
| BookieImpl.checkEnvironmentWithStorageExpansion(conf, driver, |
| Lists.newArrayList(journalDirectories), allLedgerDirs); |
| } catch (BookieException e) { |
| LOG.error("Exception occurred while updating cookie for storage expansion", e); |
| response.setCode(HttpServer.StatusCode.INTERNAL_ERROR); |
| response.setBody("Exception while updating cookie for storage expansion"); |
| return response; |
| } |
| |
| String jsonResponse = "Success expand storage"; |
| LOG.debug("output body:" + jsonResponse); |
| response.setBody(jsonResponse); |
| response.setCode(HttpServer.StatusCode.OK); |
| return response; |
| } else { |
| response.setCode(HttpServer.StatusCode.NOT_FOUND); |
| response.setBody("Not found method. Should be PUT method"); |
| return response; |
| } |
| } |
| } |