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 static org.apache.bookkeeper.meta.MetadataDrivers.runFunctionWithRegistrationManager;
  
  import com.beust.jcommander.Parameter;
  import com.google.common.util.concurrent.UncheckedExecutionException;
  import java.util.concurrent.ExecutionException;
  import lombok.Setter;
  import lombok.experimental.Accessors;
  import org.apache.bookkeeper.bookie.BookieImpl;
  import org.apache.bookkeeper.bookie.Cookie;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.apache.bookkeeper.meta.exceptions.MetadataException;
  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.versioning.Versioned;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Command to format the current server contents.
   */
  public class FormatCommand extends BookieCommand<FormatCommand.Flags> {
  
      static final Logger LOG = LoggerFactory.getLogger(FormatCommand.class);
  
      private static final String NAME = "format";
      private static final String DESC = "Format the current server contents.";
  
      public FormatCommand() {
          this(new Flags());
      }
  
      public FormatCommand(Flags flags) {
          super(CliSpec.<Flags>newBuilder()
              .withName(NAME)
              .withDescription(DESC)
              .withFlags(flags)
              .build());
      }
  
      /**
       * Flags for format bookie command.
       */
      @Accessors(fluent = true)
      @Setter
      public static class Flags extends CliFlags {
  
          @Parameter(names = {"-n", "--noninteractive"},
              description = "Whether to confirm if old data exists?")
          private boolean nonInteractive;
  
          @Parameter(names = {"-f", "--force"},
              description = "If [noninteractive] is specified, then whether"
                  + "to force delete the old data without prompt?")
          private boolean force;
  
          @Parameter(names = {"-d", "--deletecookie"},
              description = "Delete its cookie on metadata store.")
          private boolean deleteCookie;
  
      }
  
      @Override
      public boolean apply(ServerConfiguration conf, Flags cmdFlags) {
  
          ServerConfiguration bfconf = new ServerConfiguration(conf);
          boolean result = BookieImpl.format(bfconf, cmdFlags.nonInteractive, cmdFlags.force);
  
          // delete cookie
          if (cmdFlags.deleteCookie) {
              try {
                  runFunctionWithRegistrationManager(conf, rm -> {
  
                      try {
                          Versioned<Cookie> cookie = Cookie.readFromRegistrationManager(rm, bfconf);
                          cookie.getValue().deleteFromRegistrationManager(rm, bfconf, cookie.getVersion());
                      } catch (Exception e) {
                          throw new UncheckedExecutionException(e.getMessage(), e);
                      }
  
                      return null;
                  });
              } catch (MetadataException | ExecutionException e) {
                  throw new UncheckedExecutionException(e.getMessage(), e);
              }
          }
          return result;
      }
  }
  