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| 1 | +/* |
| 2 | + * Licensed to the Apache Software Foundation (ASF) under one |
| 3 | + * or more contributor license agreements. See the NOTICE file |
| 4 | + * distributed with this work for additional information |
| 5 | + * regarding copyright ownership. The ASF licenses this file |
| 6 | + * to you under the Apache License, Version 2.0 (the |
| 7 | + * "License"); you may not use this file except in compliance |
| 8 | + * with the License. You may obtain a copy of the License at |
| 9 | + * |
| 10 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | + * |
| 12 | + * Unless required by applicable law or agreed to in writing, |
| 13 | + * software distributed under the License is distributed on an |
| 14 | + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| 15 | + * KIND, either express or implied. See the License for the |
| 16 | + * specific language governing permissions and limitations |
| 17 | + * under the License. |
| 18 | + */ |
| 19 | +package org.apache.bookkeeper.tools.cli.commands.bookie; |
| 20 | + |
| 21 | +import com.beust.jcommander.Parameter; |
| 22 | +import com.google.common.util.concurrent.UncheckedExecutionException; |
| 23 | +import io.netty.buffer.PooledByteBufAllocator; |
| 24 | +import java.nio.file.FileSystems; |
| 25 | +import java.nio.file.Files; |
| 26 | +import lombok.Setter; |
| 27 | +import lombok.experimental.Accessors; |
| 28 | +import org.apache.bookkeeper.bookie.Bookie; |
| 29 | +import org.apache.bookkeeper.bookie.CheckpointSource; |
| 30 | +import org.apache.bookkeeper.bookie.Checkpointer; |
| 31 | +import org.apache.bookkeeper.bookie.InterleavedLedgerStorage; |
| 32 | +import org.apache.bookkeeper.bookie.LedgerCache; |
| 33 | +import org.apache.bookkeeper.bookie.LedgerDirsManager; |
| 34 | +import org.apache.bookkeeper.bookie.storage.ldb.DbLedgerStorage; |
| 35 | +import org.apache.bookkeeper.conf.ServerConfiguration; |
| 36 | +import org.apache.bookkeeper.stats.NullStatsLogger; |
| 37 | +import org.apache.bookkeeper.tools.cli.helpers.BookieCommand; |
| 38 | +import org.apache.bookkeeper.tools.framework.CliFlags; |
| 39 | +import org.apache.bookkeeper.tools.framework.CliSpec; |
| 40 | +import org.apache.bookkeeper.util.DiskChecker; |
| 41 | +import org.apache.bookkeeper.util.LedgerIdFormatter; |
| 42 | +import org.slf4j.Logger; |
| 43 | +import org.slf4j.LoggerFactory; |
| 44 | + |
| 45 | + |
| 46 | +/** |
| 47 | + * A command to convert bookie indexes from DbLedgerStorage to InterleavedStorage format. |
| 48 | + */ |
| 49 | +public class ConvertToInterleavedStorageCommand extends BookieCommand<ConvertToInterleavedStorageCommand.CTISFlags> { |
| 50 | + |
| 51 | + private static final Logger LOG = LoggerFactory.getLogger(ConvertToInterleavedStorageCommand.class); |
| 52 | + private static final String NAME = "converttointerleavedstorage"; |
| 53 | + private static final String DESC = "Convert bookie indexes from DbLedgerStorage to InterleavedStorage format"; |
| 54 | + private static final String NOT_INIT = "default formatter"; |
| 55 | + |
| 56 | + @Setter |
| 57 | + private LedgerIdFormatter ledgerIdFormatter; |
| 58 | + |
| 59 | + public ConvertToInterleavedStorageCommand() { |
| 60 | + this(new CTISFlags()); |
| 61 | + } |
| 62 | + |
| 63 | + public ConvertToInterleavedStorageCommand(CTISFlags flags) { |
| 64 | + super(CliSpec.<CTISFlags>newBuilder().withName(NAME).withDescription(DESC).withFlags(flags).build()); |
| 65 | + } |
| 66 | + |
| 67 | + /** |
| 68 | + * Flags for this command. |
| 69 | + */ |
| 70 | + @Accessors(fluent = true) |
| 71 | + public static class CTISFlags extends CliFlags{ |
| 72 | + |
| 73 | + @Parameter(names = { "-l", "--ledgeridformatter" }, description = "Set ledger id formatter") |
| 74 | + private String ledgerIdFormatter = NOT_INIT; |
| 75 | + |
| 76 | + } |
| 77 | + |
| 78 | + @Override |
| 79 | + public boolean apply(ServerConfiguration conf, CTISFlags cmdFlags) { |
| 80 | + initLedgerIdFormatter(conf, cmdFlags); |
| 81 | + try { |
| 82 | + return handle(conf); |
| 83 | + } catch (Exception e) { |
| 84 | + throw new UncheckedExecutionException(e.getMessage(), e); |
| 85 | + } |
| 86 | + } |
| 87 | + |
| 88 | + private boolean handle(ServerConfiguration bkConf) throws Exception { |
| 89 | + LOG.info("=== Converting DbLedgerStorage ==="); |
| 90 | + ServerConfiguration conf = new ServerConfiguration(bkConf); |
| 91 | + LedgerDirsManager ledgerDirsManager = new LedgerDirsManager(bkConf, bkConf.getLedgerDirs(), |
| 92 | + new DiskChecker(bkConf.getDiskUsageThreshold(), bkConf.getDiskUsageWarnThreshold())); |
| 93 | + LedgerDirsManager ledgerIndexManager = new LedgerDirsManager(bkConf, bkConf.getLedgerDirs(), |
| 94 | + new DiskChecker(bkConf.getDiskUsageThreshold(), bkConf.getDiskUsageWarnThreshold())); |
| 95 | + |
| 96 | + DbLedgerStorage dbStorage = new DbLedgerStorage(); |
| 97 | + InterleavedLedgerStorage interleavedStorage = new InterleavedLedgerStorage(); |
| 98 | + |
| 99 | + CheckpointSource checkpointSource = new CheckpointSource() { |
| 100 | + @Override |
| 101 | + public Checkpoint newCheckpoint() { |
| 102 | + return Checkpoint.MAX; |
| 103 | + } |
| 104 | + |
| 105 | + @Override |
| 106 | + public void checkpointComplete(Checkpoint checkpoint, boolean compact) {} |
| 107 | + }; |
| 108 | + Checkpointer checkpointer = new Checkpointer() { |
| 109 | + @Override |
| 110 | + public void startCheckpoint(CheckpointSource.Checkpoint checkpoint) { |
| 111 | + // No-op |
| 112 | + } |
| 113 | + |
| 114 | + @Override |
| 115 | + public void start() { |
| 116 | + // no-op |
| 117 | + } |
| 118 | + }; |
| 119 | + |
| 120 | + dbStorage.initialize(conf, null, ledgerDirsManager, ledgerIndexManager, null, |
| 121 | + checkpointSource, checkpointer, NullStatsLogger.INSTANCE, PooledByteBufAllocator.DEFAULT); |
| 122 | + interleavedStorage.initialize(conf, null, ledgerDirsManager, ledgerIndexManager, |
| 123 | + null, checkpointSource, checkpointer, NullStatsLogger.INSTANCE, PooledByteBufAllocator.DEFAULT); |
| 124 | + LedgerCache interleavedLedgerCache = interleavedStorage.getLedgerCache(); |
| 125 | + |
| 126 | + int convertedLedgers = 0; |
| 127 | + for (long ledgerId : dbStorage.getActiveLedgersInRange(0, Long.MAX_VALUE)) { |
| 128 | + if (LOG.isDebugEnabled()) { |
| 129 | + LOG.debug("Converting ledger {}", ledgerIdFormatter.formatLedgerId(ledgerId)); |
| 130 | + } |
| 131 | + |
| 132 | + interleavedStorage.setMasterKey(ledgerId, dbStorage.readMasterKey(ledgerId)); |
| 133 | + if (dbStorage.isFenced(ledgerId)) { |
| 134 | + interleavedStorage.setFenced(ledgerId); |
| 135 | + } |
| 136 | + |
| 137 | + long lastEntryInLedger = dbStorage.getLastEntryInLedger(ledgerId); |
| 138 | + for (long entryId = 0; entryId <= lastEntryInLedger; entryId++) { |
| 139 | + try { |
| 140 | + long location = dbStorage.getLocation(ledgerId, entryId); |
| 141 | + if (location != 0L) { |
| 142 | + interleavedLedgerCache.putEntryOffset(ledgerId, entryId, location); |
| 143 | + } |
| 144 | + } catch (Bookie.NoEntryException e) { |
| 145 | + // Ignore entry |
| 146 | + } |
| 147 | + } |
| 148 | + |
| 149 | + if (++convertedLedgers % 1000 == 0) { |
| 150 | + LOG.info("Converted {} ledgers", convertedLedgers); |
| 151 | + } |
| 152 | + } |
| 153 | + |
| 154 | + dbStorage.shutdown(); |
| 155 | + |
| 156 | + interleavedLedgerCache.flushLedger(true); |
| 157 | + interleavedStorage.flush(); |
| 158 | + interleavedStorage.shutdown(); |
| 159 | + |
| 160 | + String baseDir = ledgerDirsManager.getAllLedgerDirs().get(0).toString(); |
| 161 | + |
| 162 | + // Rename databases and keep backup |
| 163 | + Files.move(FileSystems.getDefault().getPath(baseDir, "ledgers"), |
| 164 | + FileSystems.getDefault().getPath(baseDir, "ledgers.backup")); |
| 165 | + |
| 166 | + Files.move(FileSystems.getDefault().getPath(baseDir, "locations"), |
| 167 | + FileSystems.getDefault().getPath(baseDir, "locations.backup")); |
| 168 | + |
| 169 | + LOG.info("---- Done Converting {} ledgers ----", convertedLedgers); |
| 170 | + return true; |
| 171 | + } |
| 172 | + |
| 173 | + private void initLedgerIdFormatter(ServerConfiguration conf, CTISFlags flags) { |
| 174 | + if (this.ledgerIdFormatter != null) { |
| 175 | + return; |
| 176 | + } |
| 177 | + if (flags.ledgerIdFormatter.equals(NOT_INIT)) { |
| 178 | + this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(conf); |
| 179 | + } else { |
| 180 | + this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(flags.ledgerIdFormatter, conf); |
| 181 | + } |
| 182 | + } |
| 183 | +} |
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