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.cookie;
  
  import com.beust.jcommander.Parameter;
  import java.io.File;
  import java.io.PrintStream;
  import lombok.Setter;
  import lombok.experimental.Accessors;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.bookkeeper.bookie.Cookie;
  import org.apache.bookkeeper.bookie.Cookie.Builder;
  import org.apache.bookkeeper.discover.RegistrationManager;
  import org.apache.bookkeeper.net.BookieId;
  import org.apache.bookkeeper.tools.cli.commands.cookie.GenerateCookieCommand.Flags;
  import org.apache.bookkeeper.tools.framework.CliFlags;
  import org.apache.bookkeeper.tools.framework.CliSpec;
  import org.apache.commons.lang3.StringUtils;
  
  /**
   * A command that generate cookie.
   */
  @Slf4j
  public class GenerateCookieCommand extends CookieCommand<Flags> {
  
      private static final String NAME = "generate";
      private static final String DESC = "Generate a cookie for a given bookie";
  
      private static final String USAGE = "cookie_generate      Generate a cookie for a given bookie\n"
              + "             Usage:  cookie_generate [options]\n"
              + "             Options:\n"
              + "               -i, --instance-id\n"
              + "              The instance id of the cluster that this bookie belongs to."
              + " If omitted, it will used the instance id of the cluster that this cli connects to. \n"
              + "             * -j, --journal-dirs\n"
              + "              The journal directories used by this bookie "
                                  + "(param format: `journalDir1,...,journalDirM`)\n"
              + "             * -l, --ledger-dirs\n"
              + "              The ledger directories used by this bookie (param format: `ledgerDir1,...,ledgerDirN`)\n"
              + "             * -o, --output-file\n"
              + "              The output file to save the generated cookie (param format: `cookieLocalFilePath`)\n"
              + "               -ix, --index-dirs\n"
              + "              The index directories used by this bookie (param format: `indexDir1,...,indexDirN`)";
  
      /**
       * Flags to generate a cookie for a given bookie.
       */
      @Accessors(fluent = true)
      @Setter
      public static class Flags extends CliFlags {
  
          @Parameter(
              names = { "-j", "--journal-dirs" },
              description = "The journal directories used by this bookie",
              required = true)
          private String journalDirs;
  
          @Parameter(
              names = { "-l", "--ledger-dirs" },
              description = "The ledger directories used by this bookie",
              required = true)
          private String ledgerDirs;
  
          @Parameter(
                  names = { "-ix", "--index-dirs" },
                  description = "The index directories used by this bookie")
          private String indexDirs = null;
  
          @Parameter(
              names = { "-i", "--instance-id" },
              description = "The instance id of the cluster that this bookie belongs to."
                  + " If omitted, it will used the instance id of the cluster that this cli connects to.")
          private String instanceId = null;
  
          @Parameter(
              names = { "-o", "--output-file" },
              description = "The output file to save the generated cookie.",
              required = true)
          private String outputFile;
  
      }
  
      public GenerateCookieCommand() {
          this(new Flags());
      }
  
      GenerateCookieCommand(PrintStream console) {
          this(new Flags(), console);
      }
  
      public GenerateCookieCommand(Flags flags) {
          this(flags, System.out);
      }
  
      private GenerateCookieCommand(Flags flags, PrintStream console) {
          super(CliSpec.<Flags>newBuilder()
              .withName(NAME)
              .withUsage(USAGE)
              .withDescription(DESC)
              .withFlags(flags)
              .withConsole(console)
              .withArgumentsUsage("<bookie-id>")
              .build());
      }
  
      @Override
      protected void apply(RegistrationManager rm, Flags cmdFlags) throws Exception {
          BookieId bookieId = getBookieId(cmdFlags);
  
          String instanceId;
          if (null == cmdFlags.instanceId) {
              instanceId = rm.getClusterInstanceId();
          } else {
              instanceId = cmdFlags.instanceId;
          }
  
          Builder builder = Cookie.newBuilder();
          builder.setBookieId(bookieId.toString());
          if (StringUtils.isEmpty(instanceId)) {
              builder.setInstanceId(null);
          } else {
              builder.setInstanceId(instanceId);
          }
          builder.setJournalDirs(cmdFlags.journalDirs);
          builder.setLedgerDirs(Cookie.encodeDirPaths(cmdFlags.ledgerDirs.split(",")));
          if (StringUtils.isNotBlank(cmdFlags.indexDirs)) {
              builder.setIndexDirs(Cookie.encodeDirPaths(cmdFlags.indexDirs.split(",")));
          }
          Cookie cookie = builder.build();
          cookie.writeToFile(new File(cmdFlags.outputFile));
          spec.console().println("Successfully saved the generated cookie to " + cmdFlags.outputFile);
      }
  
  }
  