| /* |
| * 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.client; |
| |
| import com.beust.jcommander.Parameter; |
| import com.google.common.util.concurrent.UncheckedExecutionException; |
| import java.io.IOException; |
| import lombok.Setter; |
| import lombok.experimental.Accessors; |
| import org.apache.bookkeeper.client.BKException; |
| import org.apache.bookkeeper.client.BookKeeper; |
| import org.apache.bookkeeper.conf.ClientConfiguration; |
| 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.IOUtils; |
| import org.apache.bookkeeper.util.LedgerIdFormatter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Command to delete a given ledger. |
| */ |
| public class DeleteLedgerCommand extends BookieCommand<DeleteLedgerCommand.DeleteLedgerFlags> { |
| |
| private static final String NAME = "delete"; |
| private static final String DESC = "Delete a ledger."; |
| private static final String DEFAULT = ""; |
| private static final Logger LOG = LoggerFactory.getLogger(DeleteLedgerCommand.class); |
| |
| private LedgerIdFormatter ledgerIdFormatter; |
| |
| public DeleteLedgerCommand() { |
| this(new DeleteLedgerFlags()); |
| } |
| |
| public DeleteLedgerCommand(LedgerIdFormatter ledgerIdFormatter) { |
| this(new DeleteLedgerFlags()); |
| this.ledgerIdFormatter = ledgerIdFormatter; |
| } |
| |
| private DeleteLedgerCommand(DeleteLedgerFlags flags) { |
| super(CliSpec.<DeleteLedgerCommand.DeleteLedgerFlags>newBuilder() |
| .withName(NAME) |
| .withDescription(DESC) |
| .withFlags(flags) |
| .build()); |
| } |
| |
| /** |
| * Flags for delete ledger command. |
| */ |
| @Accessors(fluent = true) |
| @Setter |
| public static class DeleteLedgerFlags extends CliFlags { |
| |
| @Parameter(names = { "-l", "--ledgerid" }, description = "Ledger ID", required = true) |
| private long ledgerId; |
| |
| @Parameter(names = { "-f", "--force" }, description = "Whether to force delete the Ledger without prompt..?") |
| private boolean force; |
| |
| @Parameter(names = { "-lf", "--ledgeridformatter" }, description = "Set ledger id formatter") |
| private String ledgerIdFormatter = DEFAULT; |
| |
| } |
| |
| @Override |
| public boolean apply(ServerConfiguration conf, DeleteLedgerFlags cmdFlags) { |
| initLedgerIdFormatter(conf, cmdFlags); |
| try { |
| return deleteLedger(conf, cmdFlags); |
| } catch (Exception e) { |
| throw new UncheckedExecutionException(e.getMessage(), e); |
| } |
| } |
| |
| private void initLedgerIdFormatter(ServerConfiguration conf, DeleteLedgerFlags flags) { |
| if (null == ledgerIdFormatter && !flags.ledgerIdFormatter.equals(DEFAULT)) { |
| this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(flags.ledgerIdFormatter, conf); |
| } else if (null == ledgerIdFormatter && flags.ledgerIdFormatter.equals(DEFAULT)) { |
| this.ledgerIdFormatter = LedgerIdFormatter.newLedgerIdFormatter(conf); |
| } |
| } |
| |
| private boolean deleteLedger(ServerConfiguration conf, DeleteLedgerFlags flags) |
| throws IOException, BKException, InterruptedException { |
| |
| if (flags.ledgerId < 0) { |
| LOG.error("Ledger id error."); |
| return false; |
| } |
| |
| boolean confirm = false; |
| if (!flags.force) { |
| confirm = IOUtils.confirmPrompt( |
| "Are your sure to delete Ledger : " + ledgerIdFormatter.formatLedgerId(flags.ledgerId) + "?"); |
| } |
| |
| BookKeeper bookKeeper = null; |
| try { |
| if (flags.force || confirm) { |
| ClientConfiguration configuration = new ClientConfiguration(); |
| configuration.addConfiguration(conf); |
| bookKeeper = new BookKeeper(configuration); |
| bookKeeper.deleteLedger(flags.ledgerId); |
| } |
| } finally { |
| if (bookKeeper != null) { |
| bookKeeper.close(); |
| } |
| } |
| |
| return true; |
| } |
| } |