content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.cli.fsadmin;
  
  import alluxio.ClientContext;
  import alluxio.cli.AbstractShell;
  import alluxio.cli.Command;
  import alluxio.cli.CommandUtils;
  import alluxio.cli.fsadmin.command.Context;
  import alluxio.client.block.RetryHandlingBlockMasterClient;
  import alluxio.client.file.RetryHandlingFileSystemMasterClient;
  import alluxio.client.job.RetryHandlingJobMasterClient;
  import alluxio.client.journal.RetryHandlingJournalMasterClient;
  import alluxio.client.meta.RetryHandlingMetaMasterClient;
  import alluxio.client.meta.RetryHandlingMetaMasterConfigClient;
  import alluxio.client.metrics.RetryHandlingMetricsMasterClient;
  import alluxio.conf.AlluxioConfiguration;
  import alluxio.conf.Configuration;
  import alluxio.conf.InstancedConfiguration;
  import alluxio.conf.PropertyKey;
  import alluxio.conf.Source;
  import alluxio.master.MasterClientContext;
  import alluxio.util.ConfigurationUtils;
  import alluxio.worker.job.JobMasterClientContext;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.IOException;
  import java.util.Map;
  
  /**
   * Shell for admin to manage file system.
   */
  public final class FileSystemAdminShell extends AbstractShell {
    private static final Logger LOG = LoggerFactory.getLogger(FileSystemAdminShell.class);
  
    /**
     * Construct a new instance of {@link FileSystemAdminShell}.
     *
     * @param alluxioConf Alluxio configuration
     */
    public FileSystemAdminShell(AlluxioConfiguration alluxioConf) {
      super(null, null, alluxioConf);
    }
  
    /**
     * Manage Alluxio file system.
     *
     * @param args array of arguments given by the user's input from the terminal
     */
    public static void main(String[] args) throws IOException {
      int ret;
      InstancedConfiguration conf = Configuration.modifiableGlobal();
      if (!ConfigurationUtils.masterHostConfigured(conf) && args.length > 0) {
        System.out.println(ConfigurationUtils
            .getMasterHostNotConfiguredMessage("Alluxio fsadmin shell"));
        System.exit(1);
      }
      // Reduce the RPC retry max duration to fall earlier for CLIs
      conf.set(PropertyKey.USER_RPC_RETRY_MAX_DURATION, "5s", Source.DEFAULT);
      try (FileSystemAdminShell fsAdminShell = new FileSystemAdminShell(conf)) {
        ret = fsAdminShell.run(args);
      }
      System.exit(ret);
    }
  
    @Override
    protected String getShellName() {
      return "fsadmin";
    }
  
    @Override
    protected Map<String, Command> loadCommands() {
      ClientContext ctx = ClientContext.create(mConfiguration);
      MasterClientContext masterConfig = MasterClientContext.newBuilder(ctx).build();
      JobMasterClientContext jobMasterConfig = JobMasterClientContext.newBuilder(ctx).build();
      Context adminContext = new Context(
          new RetryHandlingFileSystemMasterClient(masterConfig),
          new RetryHandlingBlockMasterClient(masterConfig),
          new RetryHandlingMetaMasterClient(masterConfig),
          new RetryHandlingMetaMasterConfigClient(masterConfig),
          new RetryHandlingMetricsMasterClient(masterConfig),
          new RetryHandlingJournalMasterClient(masterConfig),
          new RetryHandlingJournalMasterClient(jobMasterConfig),
          new RetryHandlingJobMasterClient(jobMasterConfig),
          System.out
      );
      return CommandUtils.loadCommands(FileSystemAdminShell.class.getPackage().getName(),
          new Class[] {Context.class, AlluxioConfiguration.class},
          new Object[] {mCloser.register(adminContext), mConfiguration});
    }
  }
  