Package org.apache.hadoop.hdfs.server.common

Examples of org.apache.hadoop.hdfs.server.common.StorageInfo

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    return new DatanodeDescriptor(dnId, rackLocation);
  }
 
  public static DatanodeRegistration getLocalDatanodeRegistration() {
    return new DatanodeRegistration(getLocalDatanodeID(),
        new StorageInfo(), new ExportedBlockKeys(), VersionInfo.getVersion());
  }
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  /**
   * Create a DatanodeRegistration for a specific block pool.
   * @param nsInfo the namespace info from the first part of the NN handshake
   */
  DatanodeRegistration createBPRegistration(NamespaceInfo nsInfo) {
    StorageInfo storageInfo = storage.getBPStorage(nsInfo.getBlockPoolID());
    if (storageInfo == null) {
      // it's null in the case of SimulatedDataSet
      storageInfo = new StorageInfo(nsInfo);
    }
    DatanodeID dnId = new DatanodeID(
        streamingAddr.getAddress().getHostAddress(), hostName,
        getStorageId(), getXferPort(), getInfoPort(), getIpcPort());
    return new DatanodeRegistration(dnId, storageInfo,
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        throw new IOException("Startup option not set.");
      }
      final String bpid = nsInfo.getBlockPoolID();
      //read storage info, lock data dirs and transition fs state if necessary
      storage.recoverTransitionRead(this, bpid, nsInfo, dataDirs, startOpt);
      final StorageInfo bpStorage = storage.getBPStorage(bpid);
      LOG.info("Setting up storage: nsid=" + bpStorage.getNamespaceID()
          + ";bpid=" + bpid + ";lv=" + storage.getLayoutVersion()
          + ";nsInfo=" + nsInfo);
    }

    synchronized(this)  {
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      // register a datanode
      DatanodeID dnId = new DatanodeID(DN_IP_ADDR, DN_HOSTNAME,
          "fake-storage-id", DN_XFER_PORT, DN_INFO_PORT, DN_IPC_PORT);
      long nnCTime = cluster.getNamesystem().getFSImage().getStorage()
          .getCTime();
      StorageInfo mockStorageInfo = mock(StorageInfo.class);
      doReturn(nnCTime).when(mockStorageInfo).getCTime();
      doReturn(HdfsConstants.LAYOUT_VERSION).when(mockStorageInfo)
          .getLayoutVersion();
      DatanodeRegistration dnReg = new DatanodeRegistration(dnId,
          mockStorageInfo, null, VersionInfo.getVersion());
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          .build();
     
      NamenodeProtocols rpcServer = cluster.getNameNodeRpc();
     
      long nnCTime = cluster.getNamesystem().getFSImage().getStorage().getCTime();
      StorageInfo mockStorageInfo = mock(StorageInfo.class);
      doReturn(nnCTime).when(mockStorageInfo).getCTime();
     
      DatanodeRegistration mockDnReg = mock(DatanodeRegistration.class);
      doReturn(HdfsConstants.LAYOUT_VERSION).when(mockDnReg).getVersion();
      doReturn(123).when(mockDnReg).getXferPort();
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          .build();
     
      NamenodeProtocols rpcServer = cluster.getNameNodeRpc();
     
      long nnCTime = cluster.getNamesystem().getFSImage().getStorage().getCTime();
      StorageInfo mockStorageInfo = mock(StorageInfo.class);
      doReturn(nnCTime).when(mockStorageInfo).getCTime();
     
      DatanodeRegistration mockDnReg = mock(DatanodeRegistration.class);
      doReturn(HdfsConstants.LAYOUT_VERSION).when(mockDnReg).getVersion();
      doReturn(123).when(mockDnReg).getXferPort();
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        .setCTime(info.getCTime()).setLayoutVersion(info.getLayoutVersion())
        .setNamespceID(info.getNamespaceID()).build();
  }

  public static StorageInfo convert(StorageInfoProto info) {
    return new StorageInfo(info.getLayoutVersion(), info.getNamespceID(),
        info.getClusterID(), info.getCTime());
  }
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    bpRegistration.setIpcPort(getIpcPort());
    bpRegistration.setHostName(hostName);
    bpRegistration.setStorageID(getStorageId());
    bpRegistration.setSoftwareVersion(VersionInfo.getVersion());

    StorageInfo storageInfo = storage.getBPStorage(nsInfo.getBlockPoolID());
    if (storageInfo == null) {
      // it's null in the case of SimulatedDataSet
      bpRegistration.getStorageInfo().layoutVersion = HdfsConstants.LAYOUT_VERSION;
      bpRegistration.setStorageInfo(nsInfo);
    } else {
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        throw new IOException("Startup option not set.");
      }
      final String bpid = nsInfo.getBlockPoolID();
      //read storage info, lock data dirs and transition fs state if necessary
      storage.recoverTransitionRead(this, bpid, nsInfo, dataDirs, startOpt);
      final StorageInfo bpStorage = storage.getBPStorage(bpid);
      LOG.info("Setting up storage: nsid=" + bpStorage.getNamespaceID()
          + ";bpid=" + bpid + ";lv=" + storage.getLayoutVersion()
          + ";nsInfo=" + nsInfo);
    }

    synchronized(this)  {
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   */
  public void testRollback() throws Exception {
    File[] baseDirs;
    UpgradeUtilities.initialize();
   
    StorageInfo storageInfo = null;
    for (int numDirs = 1; numDirs <= 2; numDirs++) {
      conf = new HdfsConfiguration();
      conf.setInt(DFSConfigKeys.DFS_DATANODE_SCAN_PERIOD_HOURS_KEY, -1);     
      conf = UpgradeUtilities.initializeStorageStateConf(numDirs, conf);
      String[] nameNodeDirs = conf.getStrings(DFSConfigKeys.DFS_NAMENODE_NAME_DIR_KEY);
      String[] dataNodeDirs = conf.getStrings(DFSConfigKeys.DFS_DATANODE_DATA_DIR_KEY);
     
      log("Normal NameNode rollback", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
                                                .format(false)
                                                .manageDataDfsDirs(false)
                                                .manageNameDfsDirs(false)
                                                .startupOption(StartupOption.ROLLBACK)
                                                .build();
      checkResult(NAME_NODE, nameNodeDirs);
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("Normal DataNode rollback", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
                                                .format(false)
                                                .manageDataDfsDirs(false)
                                                .manageNameDfsDirs(false)
                                                .startupOption(StartupOption.ROLLBACK)
                                                .build();
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "previous");
      cluster.startDataNodes(conf, 1, false, StartupOption.ROLLBACK, null);
      checkResult(DATA_NODE, dataNodeDirs);
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);

      log("NameNode rollback without existing previous dir", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      startNameNodeShouldFail(StartupOption.ROLLBACK,
          "None of the storage directories contain previous fs state");
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("DataNode rollback without existing previous dir", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
                                                .format(false)
                                                .manageDataDfsDirs(false)
                                                .manageNameDfsDirs(false)
                                                .startupOption(StartupOption.UPGRADE)
                                                .build();
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      cluster.startDataNodes(conf, 1, false, StartupOption.ROLLBACK, null);
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);

      log("DataNode rollback with future stored layout version in previous", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
                                                .format(false)
                                                .manageDataDfsDirs(false)
                                                .manageNameDfsDirs(false)
                                                .startupOption(StartupOption.ROLLBACK)
                                                .build();
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      baseDirs = UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "previous");
      storageInfo = new StorageInfo(Integer.MIN_VALUE,
          UpgradeUtilities.getCurrentNamespaceID(cluster),
          UpgradeUtilities.getCurrentClusterID(cluster),
          UpgradeUtilities.getCurrentFsscTime(cluster));
     
      UpgradeUtilities.createDataNodeVersionFile(baseDirs, storageInfo,
          UpgradeUtilities.getCurrentBlockPoolID(cluster));
     
      startBlockPoolShouldFail(StartupOption.ROLLBACK,
          cluster.getNamesystem().getBlockPoolId());
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);
     
      log("DataNode rollback with newer fsscTime in previous", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      cluster = new MiniDFSCluster.Builder(conf).numDataNodes(0)
                                                .format(false)
                                                .manageDataDfsDirs(false)
                                                .manageNameDfsDirs(false)
                                                .startupOption(StartupOption.ROLLBACK)
                                                .build();
     
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      baseDirs = UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "previous");
      storageInfo = new StorageInfo(UpgradeUtilities.getCurrentLayoutVersion(),
            UpgradeUtilities.getCurrentNamespaceID(cluster),
            UpgradeUtilities.getCurrentClusterID(cluster), Long.MAX_VALUE);
     
      UpgradeUtilities.createDataNodeVersionFile(baseDirs, storageInfo,
          UpgradeUtilities.getCurrentBlockPoolID(cluster));
     
      startBlockPoolShouldFail(StartupOption.ROLLBACK,
          cluster.getNamesystem().getBlockPoolId());
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);

      log("NameNode rollback with no edits file", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      deleteMatchingFiles(baseDirs, "edits.*");
      startNameNodeShouldFail(StartupOption.ROLLBACK,
          "No non-corrupt logs for txid ");
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode rollback with no image file", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      deleteMatchingFiles(baseDirs, "fsimage_.*");
      startNameNodeShouldFail(StartupOption.ROLLBACK,
          "No valid image files found");
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode rollback with corrupt version file", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      for (File f : baseDirs) {
        UpgradeUtilities.corruptFile(
            new File(f,"VERSION"),
            "layoutVersion".getBytes(Charsets.UTF_8),
            "xxxxxxxxxxxxx".getBytes(Charsets.UTF_8));
      }
      startNameNodeShouldFail(StartupOption.ROLLBACK,
          "file VERSION has layoutVersion missing");

      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode rollback with old layout version in previous", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      storageInfo = new StorageInfo(1,
          UpgradeUtilities.getCurrentNamespaceID(null),
          UpgradeUtilities.getCurrentClusterID(null),
          UpgradeUtilities.getCurrentFsscTime(null));
     
      UpgradeUtilities.createNameNodeVersionFile(conf, baseDirs,
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