| /* |
| * 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 lombok.Setter; |
| import lombok.experimental.Accessors; |
| import org.apache.bookkeeper.bookie.BookieImpl; |
| import org.apache.bookkeeper.bookie.InterleavedLedgerStorage; |
| import org.apache.bookkeeper.bookie.LedgerCache; |
| import org.apache.bookkeeper.bookie.storage.ldb.DbLedgerStorage; |
| import org.apache.bookkeeper.conf.ServerConfiguration; |
| 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.LedgerIdFormatter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A command to convert bookie indexes from InterleavedStorage to DbLedgerStorage format. |
| */ |
| public class ConvertToDBStorageCommand extends BookieCommand<ConvertToDBStorageCommand.CTDBFlags> { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(ConvertToDBStorageCommand.class); |
| private static final String NAME = "converttodbstorage"; |
| private static final String DESC = "Convert bookie indexes from InterleavedStorage to DbLedgerStorage format"; |
| private static final String NOT_INIT = "default formatter"; |
| |
| @Setter |
| private LedgerIdFormatter ledgerIdFormatter; |
| |
| public ConvertToDBStorageCommand() { |
| this(new CTDBFlags()); |
| } |
| public ConvertToDBStorageCommand(CTDBFlags flags) { |
| super(CliSpec.<CTDBFlags>newBuilder().withFlags(flags).withName(NAME).withDescription(DESC).build()); |
| } |
| |
| /** |
| * Flags for this command. |
| */ |
| @Accessors(fluent = true) |
| @Setter |
| public static class CTDBFlags extends CliFlags { |
| @Parameter(names = { "-l", "--ledgeridformatter" }, description = "Set ledger id formatter") |
| private String ledgerIdFormatter = NOT_INIT; |
| } |
| |
| @Override |
| public boolean apply(ServerConfiguration conf, CTDBFlags cmdFlags) { |
| initLedgerIdFormatter(conf, cmdFlags); |
| try { |
| return handle(conf); |
| } catch (Exception e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| } |
| |
| private boolean handle(ServerConfiguration conf) throws Exception { |
| LOG.info("=== Converting to DbLedgerStorage ==="); |
| ServerConfiguration bkConf = new ServerConfiguration(conf); |
| |
| InterleavedLedgerStorage interleavedStorage = new InterleavedLedgerStorage(); |
| BookieImpl.mountLedgerStorageOffline(bkConf, interleavedStorage); |
| |
| DbLedgerStorage dbStorage = new DbLedgerStorage(); |
| BookieImpl.mountLedgerStorageOffline(bkConf, dbStorage); |
| |
| int convertedLedgers = 0; |
| for (long ledgerId : interleavedStorage.getActiveLedgersInRange(0, Long.MAX_VALUE)) { |
| if (LOG.isDebugEnabled()) { |
| LOG.debug("Converting ledger {}", ledgerIdFormatter.formatLedgerId(ledgerId)); |
| } |
| |
| LedgerCache.LedgerIndexMetadata fi = interleavedStorage.readLedgerIndexMetadata(ledgerId); |
| |
| LedgerCache.PageEntriesIterable pages = interleavedStorage.getIndexEntries(ledgerId); |
| |
| long numberOfEntries = dbStorage.addLedgerToIndex(ledgerId, fi.fenced, fi.masterKey, pages); |
| if (LOG.isDebugEnabled()) { |
| LOG.debug(" -- done. fenced={} entries={}", fi.fenced, numberOfEntries); |
| } |
| |
| // Remove index from old storage |
| interleavedStorage.deleteLedger(ledgerId); |
| |
| if (++convertedLedgers % 1000 == 0) { |
| LOG.info("Converted {} ledgers", convertedLedgers); |
| } |
| } |
| |
| dbStorage.shutdown(); |
| interleavedStorage.shutdown(); |
| |
| LOG.info("---- Done Converting ----"); |
| return true; |
| } |
| |
| private void initLedgerIdFormatter(ServerConfiguration conf, CTDBFlags flags) { |
| if (this.ledgerIdFormatter != null) { |
| return; |
| } |
| if (flags.ledgerIdFormatter.equals(NOT_INIT)) { |
| this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(conf); |
| } else { |
| this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(flags.ledgerIdFormatter, conf); |
| } |
| } |
| |
| } |