| /* |
| * 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.bookie; |
| |
| import com.beust.jcommander.Parameter; |
| import com.google.common.util.concurrent.UncheckedExecutionException; |
| import java.io.IOException; |
| import java.util.concurrent.TimeUnit; |
| import lombok.Setter; |
| import lombok.experimental.Accessors; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.bookie.BookieShell; |
| import org.apache.bookkeeper.client.BKException; |
| import org.apache.bookkeeper.client.BookKeeper; |
| import org.apache.bookkeeper.client.BookKeeperAdmin; |
| import org.apache.bookkeeper.client.UpdateLedgerOp; |
| import org.apache.bookkeeper.conf.ClientConfiguration; |
| 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.MathUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Command to update ledger command. |
| */ |
| public class FlipBookieIdCommand extends BookieCommand<FlipBookieIdCommand.FlipBookieIdFlags> { |
| |
| static final Logger LOG = LoggerFactory.getLogger(FlipBookieIdCommand.class); |
| |
| private static final String NAME = "flip-bookie-id"; |
| private static final String DESC = "Update bookie id in ledgers (this may take a long time)."; |
| |
| public FlipBookieIdCommand() { |
| this(new FlipBookieIdFlags()); |
| } |
| |
| private FlipBookieIdCommand(FlipBookieIdFlags flags) { |
| super(CliSpec.<FlipBookieIdFlags>newBuilder() |
| .withName(NAME) |
| .withDescription(DESC) |
| .withFlags(flags) |
| .build()); |
| } |
| |
| /** |
| * Flags for update ledger command. |
| */ |
| @Accessors(fluent = true) |
| @Setter |
| public static class FlipBookieIdFlags extends CliFlags { |
| |
| @Parameter(names = { "-host", "--hostname" }, |
| description = "Expects configuration useHostNameAsBookieID=true as the option value (default: ip address)") |
| private boolean hostname; |
| |
| @Parameter(names = { "-s", "--updatepersec" }, |
| description = "Number of ledgers updating per second (default: 5 per sec)") |
| private int updatePerSec = 5; |
| |
| @Parameter(names = { "-r", |
| "--maxOutstandingReads" }, description = "Max outstanding reads (default: 5 * updatespersec)") |
| private int maxOutstandingReads = updatePerSec * 5; |
| |
| @Parameter(names = {"-l", "--limit"}, |
| description = "Maximum number of ledgers of ledgers to update (default: no limit)") |
| private int limit = Integer.MIN_VALUE; |
| |
| @Parameter(names = { "-v", "--verbose" }, description = "Print status of the ledger updation (default: false)") |
| private boolean verbose; |
| |
| @Parameter(names = { "-p", "--printprogress" }, |
| description = "Print messages on every configured seconds if verbose turned on (default: 10 secs)") |
| private long printProgress = 10; |
| } |
| |
| @Override |
| public boolean apply(ServerConfiguration conf, FlipBookieIdFlags cmdFlags) { |
| try { |
| return updateLedger(conf, cmdFlags); |
| } catch (Exception e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| } |
| |
| private boolean updateLedger(ServerConfiguration conf, FlipBookieIdFlags flags) |
| throws InterruptedException, BKException, IOException { |
| |
| if (!conf.getUseHostNameAsBookieID() && flags.hostname) { |
| LOG.error("Expects configuration useHostNameAsBookieID=true as the option value"); |
| return false; |
| } else if (conf.getUseHostNameAsBookieID() && !flags.hostname) { |
| LOG.error("Expects configuration useHostNameAsBookieID=false as the option value'"); |
| return false; |
| } |
| |
| final int rate = flags.updatePerSec; |
| if (rate <= 0) { |
| LOG.error("Invalid updatespersec {}, should be > 0", rate); |
| return false; |
| } |
| |
| final int maxOutstandingReads = flags.maxOutstandingReads; |
| if (maxOutstandingReads <= 0) { |
| LOG.error("Invalid maxOutstandingReads {}, should be > 0", maxOutstandingReads); |
| return false; |
| } |
| |
| final int limit = flags.limit; |
| if (limit <= 0 && limit != Integer.MIN_VALUE) { |
| LOG.error("Invalid limit {}, should be > 0", limit); |
| return false; |
| } |
| |
| final long printProgress; |
| if (flags.verbose) { |
| printProgress = 10; |
| } else { |
| printProgress = flags.printProgress; |
| } |
| |
| final ClientConfiguration clientConfiguration = new ClientConfiguration(); |
| clientConfiguration.addConfiguration(conf); |
| final BookKeeper bk = new BookKeeper(clientConfiguration); |
| final BookKeeperAdmin admin = new BookKeeperAdmin(bk); |
| final UpdateLedgerOp updateLedgerOp = new UpdateLedgerOp(bk, admin); |
| final ServerConfiguration serverConfiguration = new ServerConfiguration(conf); |
| final BookieId newBookieId = BookieImpl.getBookieId(serverConfiguration); |
| serverConfiguration.setUseHostNameAsBookieID(!flags.hostname); |
| final BookieId oldBookieId = BookieImpl.getBookieId(serverConfiguration); |
| |
| BookieShell.UpdateLedgerNotifier progressable = new BookieShell.UpdateLedgerNotifier() { |
| long lastReport = System.nanoTime(); |
| |
| @Override |
| public void progress(long updated, long issued) { |
| if (printProgress <= 0) { |
| return; // disabled |
| } |
| if (TimeUnit.MILLISECONDS.toSeconds(MathUtils.elapsedMSec(lastReport)) >= printProgress) { |
| LOG.info("Number of ledgers issued={}, updated={}", issued, updated); |
| lastReport = MathUtils.nowInNano(); |
| } |
| } |
| }; |
| |
| try { |
| updateLedgerOp.updateBookieIdInLedgers(oldBookieId, newBookieId, rate, maxOutstandingReads, limit, |
| progressable); |
| } catch (IOException e) { |
| LOG.error("Failed to update ledger metadata", e); |
| return false; |
| } |
| |
| return true; |
| } |
| } |