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.bookies;
  
  import com.beust.jcommander.Parameter;
  import com.google.common.util.concurrent.UncheckedExecutionException;
  import java.io.IOException;
  import java.util.Collection;
  import lombok.Setter;
  import lombok.experimental.Accessors;
  import org.apache.bookkeeper.client.BKException;
  import org.apache.bookkeeper.client.BookKeeperAdmin;
  import org.apache.bookkeeper.conf.ClientConfiguration;
  import org.apache.bookkeeper.conf.ServerConfiguration;
  import org.apache.bookkeeper.discover.BookieServiceInfo;
  import org.apache.bookkeeper.net.BookieId;
  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;
  
  /**
   * Get endpoint information about a Bookie.
   */
  public class EndpointInfoCommand extends BookieCommand<EndpointInfoCommand.EndpointInfoFlags> {
  
      static final Logger LOG = LoggerFactory.getLogger(EndpointInfoCommand.class);
  
      private static final String NAME = "endpointinfo";
      private static final String DESC = "Get all end point information about a given bookie.";
  
      public EndpointInfoCommand() {
          this(new EndpointInfoFlags());
      }
  
      private EndpointInfoCommand(EndpointInfoFlags flags) {
          super(CliSpec.<EndpointInfoFlags>newBuilder().withName(NAME).withDescription(DESC).withFlags(flags).build());
      }
  
      /**
       * Flags for this command.
       */
      @Accessors(fluent = true)
      @Setter
      public static class EndpointInfoFlags extends CliFlags {
  
          @Parameter(required = true, names = {"-b", "--bookieid"}, description = "Get information about a remote bookie")
          private String bookie;
  
      }
  
      @Override
      public boolean apply(ServerConfiguration conf, EndpointInfoFlags cmdFlags) {
          try {
              return getEndpointInfo(conf, cmdFlags);
          } catch (Exception e) {
              throw new UncheckedExecutionException(e.getMessage(), e);
          }
      }
  
      private boolean getEndpointInfo(ServerConfiguration conf, EndpointInfoFlags flags)
              throws BKException, InterruptedException, IOException {
          ClientConfiguration adminConf = new ClientConfiguration(conf);
          BookKeeperAdmin admin = new BookKeeperAdmin(adminConf);
          try {
              final String bookieIdStr = flags.bookie;
              if (bookieIdStr == null || bookieIdStr.isEmpty()) {
                  throw new IllegalArgumentException("BookieId is required");
              }
              BookieId bookieId = BookieId.parse(bookieIdStr);
              Collection<BookieId> allBookies = admin.getAllBookies();
              if (!allBookies.contains(bookieId)) {
                  LOG.info("Bookie {} does not exist, only {}", bookieId, allBookies);
                  return false;
              }
              BookieServiceInfo bookieServiceInfo = admin.getBookieServiceInfo(bookieId);
  
              LOG.info("BookiedId: {}", bookieId);
              if (!bookieServiceInfo.getProperties().isEmpty()) {
                  LOG.info("Properties");
                  bookieServiceInfo.getProperties().forEach((k, v) -> {
                      LOG.info("{} : {}", k, v);
                  });
              }
              if (!bookieServiceInfo.getEndpoints().isEmpty()) {
                  bookieServiceInfo.getEndpoints().forEach(e -> {
                      LOG.info("Endpoint: {}", e.getId());
                      LOG.info("Protocol: {}", e.getProtocol());
                      LOG.info("Address: {} : {}", e.getHost(), e.getPort());
                      LOG.info("Auth: {}", e.getAuth());
                      LOG.info("Extensions: {}", e.getExtensions());
                  });
              } else {
                  LOG.info("Bookie did not publish any endpoint info. Maybe it is down");
                  return false;
              }
  
              return true;
          } catch (Exception e) {
              LOG.error("Received exception in EndpointInfoCommand ", e);
              return false;
          } finally {
              if (admin != null) {
                  admin.close();
              }
          }
      }
  }
  