content: /*
   * 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 lombok.Setter;
  import lombok.experimental.Accessors;
  import org.apache.bookkeeper.bookie.storage.ldb.LedgersIndexRebuildOp;
  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.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Command to rebuild DBLedgerStorage ledgers index.
   */
  public class RebuildDBLedgersIndexCommand extends BookieCommand<RebuildDBLedgersIndexCommand.RebuildLedgersIndexFlags> {
  
      static final Logger LOG = LoggerFactory.getLogger(RebuildDBLedgersIndexCommand.class);
  
      private static final String NAME = "rebuild-db-ledgers-index";
      private static final String DESC = "Rebuild DBLedgerStorage ledgers index by scanning the journal"
          + " and entry logs (sets all ledgers to fenced)";
  
      public RebuildDBLedgersIndexCommand() {
          this(new RebuildLedgersIndexFlags());
      }
  
      public RebuildDBLedgersIndexCommand(RebuildLedgersIndexFlags flags) {
          super(CliSpec.<RebuildDBLedgersIndexCommand.RebuildLedgersIndexFlags>newBuilder().withName(NAME)
                  .withDescription(DESC).withFlags(flags).build());
      }
  
      @Override
      public boolean apply(ServerConfiguration conf, RebuildLedgersIndexFlags cmdFlags) {
          LOG.info("=== Rebuilding DBStorage ledgers index ===");
          ServerConfiguration serverConfiguration = new ServerConfiguration(conf);
          boolean success = new LedgersIndexRebuildOp(serverConfiguration, cmdFlags.verbose).initiate();
          if (success) {
              LOG.info("-- Done rebuilding DBStorage ledgers index --");
          } else {
              LOG.info("-- Aborted rebuilding DBStorage ledgers index --");
          }
  
          return success;
      }
  
      /**
       * Flags for read log command.
       */
      @Accessors(fluent = true)
      @Setter
      public static class RebuildLedgersIndexFlags extends CliFlags {
          @Parameter(names = { "-v", "--verbose" },
                  description = "Verbose logging. Print each ledger id found and added to the rebuilt index")
          private boolean verbose;
      }
  }
  