| /* |
| * 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.function.Consumer; |
| |
| 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.LedgerEntryPage; |
| import org.apache.bookkeeper.bookie.SortedLedgerStorage; |
| 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.apache.commons.lang.mutable.MutableLong; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Command to dump ledger index entries into readable format. |
| */ |
| public class LedgerCommand extends BookieCommand<LedgerCommand.LedgerFlags> { |
| |
| static final Logger LOG = LoggerFactory.getLogger(LedgerCommand.class); |
| |
| private static final String NAME = "ledger"; |
| private static final String DESC = "Dump ledger index entries into readable format"; |
| |
| private LedgerIdFormatter ledgerIdFormatter; |
| |
| private Consumer<String> print = this::printInfoLine; |
| |
| public void setPrint(Consumer<String> print) { |
| this.print = print; |
| } |
| |
| public LedgerCommand() { |
| this(new LedgerFlags()); |
| } |
| |
| public LedgerCommand(LedgerIdFormatter ledgerIdFormatter) { |
| this(new LedgerFlags()); |
| this.ledgerIdFormatter = ledgerIdFormatter; |
| } |
| |
| private LedgerCommand(LedgerFlags flags) { |
| super(CliSpec.<LedgerFlags>newBuilder().withName(NAME).withDescription(DESC).withFlags(flags).build()); |
| } |
| |
| /** |
| * Flags for ledger command. |
| */ |
| @Accessors(fluent = true) |
| @Setter |
| public static class LedgerFlags extends CliFlags { |
| |
| @Parameter(names = { "-id", "--ledgerId" }, description = "Specific ledger id", required = true) |
| private long ledgerId; |
| |
| @Parameter(names = { "-m", "--meta" }, description = "Print meta information") |
| private boolean meta; |
| |
| @Parameter(names = { "-l", "--ledgeridformatter" }, description = "Set ledger id formatter") |
| private String ledgerIdFormatter = ""; |
| } |
| |
| @Override |
| public boolean apply(ServerConfiguration conf, LedgerFlags cmdFlags) { |
| initLedgerIdFormatter(conf, cmdFlags); |
| long ledgerId = cmdFlags.ledgerId; |
| if (conf.getLedgerStorageClass().equals(DbLedgerStorage.class.getName())) { |
| // dump ledger info |
| return dumpLedgerInfo(ledgerId, conf); |
| } else if (conf.getLedgerStorageClass().equals(SortedLedgerStorage.class.getName()) |
| || conf.getLedgerStorageClass().equals(InterleavedLedgerStorage.class.getName())) { |
| ServerConfiguration tConf = new ServerConfiguration(conf); |
| InterleavedLedgerStorage interleavedLedgerStorage = new InterleavedLedgerStorage(); |
| try { |
| BookieImpl.mountLedgerStorageOffline(tConf, interleavedLedgerStorage); |
| } catch (IOException e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| |
| if (cmdFlags.meta) { |
| // print meta |
| printMeta(ledgerId, interleavedLedgerStorage); |
| } |
| |
| try { |
| print.accept("===== LEDGER: " + ledgerIdFormatter.formatLedgerId(ledgerId) + " ====="); |
| for (LedgerCache.PageEntries page : interleavedLedgerStorage.getIndexEntries(ledgerId)) { |
| if (printPageEntries(page)) { |
| return true; |
| } |
| } |
| } catch (IOException e) { |
| LOG.error("Failed to read index page"); |
| return true; |
| } |
| |
| } |
| return true; |
| } |
| |
| private void initLedgerIdFormatter(ServerConfiguration conf, LedgerFlags flags) { |
| if (flags.ledgerIdFormatter.equals("")) { |
| this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(conf); |
| } else { |
| this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(flags.ledgerIdFormatter, conf); |
| } |
| } |
| |
| private boolean dumpLedgerInfo(long ledgerId, ServerConfiguration conf) { |
| try { |
| DbLedgerStorage.readLedgerIndexEntries(ledgerId, conf, (currentEntry, entryLodId, position) -> System.out |
| .println("entry " + currentEntry + "\t:\t(log: " + entryLodId + ", pos: " + position + ")")); |
| } catch (IOException e) { |
| System.err.printf("ERROR: initializing dbLedgerStorage %s", e.getMessage()); |
| return false; |
| } |
| return true; |
| } |
| |
| private void printMeta(long ledgerId, InterleavedLedgerStorage interleavedLedgerStorage) { |
| print.accept("===== LEDGER: " + ledgerIdFormatter.formatLedgerId(ledgerId) + " ====="); |
| try { |
| LedgerCache.LedgerIndexMetadata meta = interleavedLedgerStorage.readLedgerIndexMetadata(ledgerId); |
| print.accept("master key : " + meta.getMasterKeyHex()); |
| long size = meta.size; |
| if (size % 8 == 0) { |
| print.accept("size : " + size); |
| } else { |
| print.accept("size : " + size + "(not aligned with 8, may be corrupted or under flushing now)"); |
| } |
| |
| print.accept("entries : " + (size / 8)); |
| print.accept("isFenced : " + meta.fenced); |
| } catch (IOException e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| } |
| |
| private boolean printPageEntries(LedgerCache.PageEntries page) { |
| final MutableLong curEntry = new MutableLong(page.getFirstEntry()); |
| try (LedgerEntryPage lep = page.getLEP()) { |
| lep.getEntries((entry, offset) -> { |
| while (curEntry.longValue() < entry) { |
| print.accept("entry " + curEntry + "\t:\tN/A"); |
| curEntry.increment(); |
| } |
| long entryLogId = offset >> 32L; |
| long pos = offset & 0xffffffffL; |
| print.accept("entry " + curEntry + "\t:\t(log:" + entryLogId + ", pos: " + pos + ")"); |
| curEntry.increment(); |
| return true; |
| }); |
| } catch (Exception e) { |
| print.accept( |
| "Failed to read index page @ " + page.getFirstEntry() + ", the index file may be corrupted : " + e |
| .getMessage()); |
| return true; |
| } |
| |
| while (curEntry.longValue() < page.getLastEntry()) { |
| print.accept("entry " + curEntry + "\t:\tN/A"); |
| curEntry.increment(); |
| } |
| |
| return false; |
| } |
| |
| |
| private void printInfoLine(String mes) { |
| System.out.println(mes); |
| } |
| } |