| /* |
| * 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.tools.cli.commands.cookie; |
| |
| import static org.apache.bookkeeper.meta.MetadataDrivers.runFunctionWithMetadataBookieDriver; |
| import static org.apache.bookkeeper.meta.MetadataDrivers.runFunctionWithRegistrationManager; |
| import com.beust.jcommander.Parameter; |
| import com.google.common.collect.Lists; |
| import com.google.common.util.concurrent.UncheckedExecutionException; |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.LinkedList; |
| import java.util.List; |
| import lombok.Setter; |
| import lombok.experimental.Accessors; |
| import org.apache.bookkeeper.bookie.BookieException; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.bookie.Cookie; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| import org.apache.bookkeeper.net.BookieId; |
| import org.apache.bookkeeper.tools.cli.helpers.BookieCommand; |
| import org.apache.bookkeeper.tools.framework.CliFlags; |
| import org.apache.bookkeeper.tools.framework.CliSpec; |
| import org.apache.bookkeeper.util.BookKeeperConstants; |
| import org.apache.bookkeeper.util.IOUtils; |
| import org.apache.bookkeeper.versioning.Version; |
| import org.apache.bookkeeper.versioning.Versioned; |
| import org.apache.commons.lang3.ArrayUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Command to update cookie. |
| */ |
| public class AdminCommand extends BookieCommand<AdminCommand.AdminFlags> { |
| |
| static final Logger LOG = LoggerFactory.getLogger(AdminCommand.class); |
| |
| private static final String NAME = "admin"; |
| private static final String DESC = "Command to update cookie"; |
| |
| private File[] journalDirectories; |
| private File[] ledgerDirectories; |
| private File[] indexDirectories; |
| |
| public AdminCommand() { |
| this(new AdminFlags()); |
| } |
| |
| private AdminCommand(AdminFlags flags) { |
| super(CliSpec.<AdminFlags>newBuilder().withName(NAME).withDescription(DESC).withFlags(flags).build()); |
| } |
| |
| /** |
| * Flags for admin command. |
| */ |
| @Accessors(fluent = true) |
| @Setter |
| public static class AdminFlags extends CliFlags { |
| |
| @Parameter(names = { "-host", |
| "--hostname" }, description = "Expects config useHostNameAsBookieID=true as the option value") |
| private boolean hostname; |
| |
| @Parameter(names = { "-p", "-ip" }, |
| description = "Expects config useHostNameAsBookieID=false as the option value") |
| private boolean ip; |
| |
| @Parameter(names = { "-e", "--expandstorage" }, description = "Add new empty ledger/index directories") |
| private boolean expandstorage; |
| |
| @Parameter(names = { "-l", "--list" }, description = "List paths of all the cookies present locally and on " |
| + "zooKeeper") |
| private boolean list; |
| |
| @Parameter(names = { "-d", "--delete" }, description = "Delete cookie both locally and in zooKeeper") |
| private boolean delete; |
| |
| @Parameter(names = {"-f", "--force"}, description = "Force delete cookie") |
| private boolean force; |
| |
| } |
| |
| @Override |
| public boolean apply(ServerConfiguration conf, AdminFlags cmdFlags) { |
| initDirectory(conf); |
| try { |
| return update(conf, cmdFlags); |
| } catch (Exception e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| } |
| |
| private void initDirectory(ServerConfiguration bkConf) { |
| this.journalDirectories = BookieImpl.getCurrentDirectories(bkConf.getJournalDirs()); |
| this.ledgerDirectories = BookieImpl.getCurrentDirectories(bkConf.getLedgerDirs()); |
| if (null == bkConf.getIndexDirs()) { |
| this.indexDirectories = this.ledgerDirectories; |
| } else { |
| this.indexDirectories = BookieImpl.getCurrentDirectories(bkConf.getIndexDirs()); |
| } |
| } |
| |
| private boolean update(ServerConfiguration conf, AdminFlags flags) throws Exception { |
| boolean useHostName = flags.hostname; |
| if (flags.hostname || flags.ip) { |
| if (!conf.getUseHostNameAsBookieID() && useHostName) { |
| LOG.error("Expects configuration useHostNameAsBookieID=true as the option value"); |
| return false; |
| } else if (conf.getUseHostNameAsBookieID() && !useHostName) { |
| LOG.error("Expects configuration useHostNameAsBookieID=false as the option value"); |
| return false; |
| } |
| return updateBookieIdInCookie(conf, flags.hostname); |
| } else if (flags.expandstorage) { |
| conf.setAllowStorageExpansion(true); |
| return expandStorage(conf); |
| } else if (flags.list) { |
| return listOrDeleteCookies(conf, false, false); |
| } else if (flags.delete) { |
| return listOrDeleteCookies(conf, true, flags.force); |
| } else { |
| LOG.error("Invalid command !"); |
| usage(); |
| return false; |
| } |
| } |
| |
| private boolean updateBookieIdInCookie(ServerConfiguration bkConf, final boolean useHostname) |
| throws Exception { |
| return runFunctionWithRegistrationManager(bkConf, rm -> { |
| try { |
| ServerConfiguration conf = new ServerConfiguration(bkConf); |
| String newBookieId = BookieImpl.getBookieId(conf).toString(); |
| // read oldcookie |
| Versioned<Cookie> oldCookie = null; |
| try { |
| conf.setUseHostNameAsBookieID(!useHostname); |
| oldCookie = Cookie.readFromRegistrationManager(rm, conf); |
| } catch (BookieException.CookieNotFoundException nne) { |
| LOG.error("Either cookie already updated with UseHostNameAsBookieID={} or no cookie exists!", |
| useHostname, nne); |
| return false; |
| } |
| Cookie newCookie = Cookie.newBuilder(oldCookie.getValue()).setBookieId(newBookieId).build(); |
| |
| boolean hasCookieUpdatedInDirs = verifyCookie(newCookie, journalDirectories[0]); |
| for (File dir : ledgerDirectories) { |
| hasCookieUpdatedInDirs &= verifyCookie(newCookie, dir); |
| } |
| if (indexDirectories != ledgerDirectories) { |
| for (File dir : indexDirectories) { |
| hasCookieUpdatedInDirs &= verifyCookie(newCookie, dir); |
| } |
| } |
| |
| if (hasCookieUpdatedInDirs) { |
| try { |
| conf.setUseHostNameAsBookieID(useHostname); |
| Cookie.readFromRegistrationManager(rm, conf); |
| // since newcookie exists, just do cleanup of oldcookie and return |
| conf.setUseHostNameAsBookieID(!useHostname); |
| oldCookie.getValue().deleteFromRegistrationManager(rm, conf, oldCookie.getVersion()); |
| return true; |
| } catch (BookieException.CookieNotFoundException nne) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Ignoring, cookie will be written to zookeeper"); |
| } |
| } |
| } else { |
| // writes newcookie to local dirs |
| for (File journalDirectory : journalDirectories) { |
| newCookie.writeToDirectory(journalDirectory); |
| LOG.info("Updated cookie file present in journalDirectory {}", journalDirectory); |
| } |
| for (File dir : ledgerDirectories) { |
| newCookie.writeToDirectory(dir); |
| } |
| LOG.info("Updated cookie file present in ledgerDirectories {}", (Object) ledgerDirectories); |
| if (ledgerDirectories != indexDirectories) { |
| for (File dir : indexDirectories) { |
| newCookie.writeToDirectory(dir); |
| } |
| LOG.info("Updated cookie file present in indexDirectories {}", (Object) indexDirectories); |
| } |
| } |
| // writes newcookie to zookeeper |
| conf.setUseHostNameAsBookieID(useHostname); |
| newCookie.writeToRegistrationManager(rm, conf, Version.NEW); |
| |
| // delete oldcookie |
| conf.setUseHostNameAsBookieID(!useHostname); |
| oldCookie.getValue().deleteFromRegistrationManager(rm, conf, oldCookie.getVersion()); |
| return true; |
| } catch (IOException | BookieException ioe) { |
| LOG.error("IOException during cookie updation!", ioe); |
| return false; |
| } |
| }); |
| } |
| |
| private boolean verifyCookie(Cookie oldCookie, File dir) throws IOException { |
| try { |
| Cookie cookie = Cookie.readFromDirectory(dir); |
| cookie.verify(oldCookie); |
| } catch (BookieException.InvalidCookieException e) { |
| return false; |
| } |
| return true; |
| } |
| |
| private boolean expandStorage(ServerConfiguration bkConf) throws Exception { |
| return runFunctionWithMetadataBookieDriver(bkConf, driver -> { |
| List<File> allLedgerDirs = Lists.newArrayList(); |
| allLedgerDirs.addAll(Arrays.asList(ledgerDirectories)); |
| if (indexDirectories != ledgerDirectories) { |
| allLedgerDirs.addAll(Arrays.asList(indexDirectories)); |
| } |
| |
| try { |
| BookieImpl.checkEnvironmentWithStorageExpansion(bkConf, driver, Arrays.asList(journalDirectories), |
| allLedgerDirs); |
| return true; |
| } catch (BookieException e) { |
| LOG.error("Exception while updating cookie for storage expansion", e); |
| return false; |
| } |
| }); |
| } |
| |
| private boolean listOrDeleteCookies(ServerConfiguration bkConf, boolean delete, boolean force) throws Exception { |
| BookieId bookieAddress = BookieImpl.getBookieId(bkConf); |
| File[] journalDirs = bkConf.getJournalDirs(); |
| File[] ledgerDirs = bkConf.getLedgerDirs(); |
| File[] indexDirs = bkConf.getIndexDirs(); |
| File[] allDirs = ArrayUtils.addAll(journalDirs, ledgerDirs); |
| if (indexDirs != null) { |
| allDirs = ArrayUtils.addAll(allDirs, indexDirs); |
| } |
| |
| File[] allCurDirs = BookieImpl.getCurrentDirectories(allDirs); |
| List<File> allVersionFiles = new LinkedList<File>(); |
| File versionFile; |
| for (File curDir : allCurDirs) { |
| versionFile = new File(curDir, BookKeeperConstants.VERSION_FILENAME); |
| if (versionFile.exists()) { |
| allVersionFiles.add(versionFile); |
| } |
| } |
| |
| if (!allVersionFiles.isEmpty()) { |
| if (delete) { |
| boolean confirm = force; |
| if (!confirm) { |
| confirm = IOUtils.confirmPrompt("Are you sure you want to delete Cookies locally?"); |
| } |
| if (confirm) { |
| for (File verFile : allVersionFiles) { |
| if (!verFile.delete()) { |
| LOG.error("Failed to delete Local cookie file {}. So aborting deletecookie of Bookie: {}", |
| verFile, bookieAddress); |
| return false; |
| } |
| } |
| LOG.info("Deleted Local Cookies of Bookie: {}", bookieAddress); |
| } else { |
| LOG.info("Skipping deleting local Cookies of Bookie: {}", bookieAddress); |
| } |
| } else { |
| LOG.info("Listing local Cookie Files of Bookie: {}", bookieAddress); |
| for (File verFile : allVersionFiles) { |
| LOG.info(verFile.getCanonicalPath()); |
| } |
| } |
| } else { |
| LOG.info("No local cookies for Bookie: {}", bookieAddress); |
| } |
| |
| return runFunctionWithRegistrationManager(bkConf, rm -> { |
| try { |
| Versioned<Cookie> cookie = null; |
| try { |
| cookie = Cookie.readFromRegistrationManager(rm, bookieAddress); |
| } catch (BookieException.CookieNotFoundException nne) { |
| LOG.info("No cookie for {} in metadata store", bookieAddress); |
| return true; |
| } |
| |
| if (delete) { |
| boolean confirm = force; |
| if (!confirm) { |
| confirm = IOUtils.confirmPrompt("Are you sure you want to delete Cookies from metadata store?"); |
| } |
| |
| if (confirm) { |
| cookie.getValue().deleteFromRegistrationManager(rm, bkConf, cookie.getVersion()); |
| LOG.info("Deleted Cookie from metadata store for Bookie: {}", bookieAddress); |
| } else { |
| LOG.info("Skipping deleting cookie from metadata store for Bookie: {}", bookieAddress); |
| } |
| } |
| } catch (BookieException | IOException e) { |
| return false; |
| } |
| return true; |
| }); |
| } |
| } |