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

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

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   * a number of valid and invalid conditions.
   */
  @Test
  public void testUpgrade() throws Exception {
    File[] baseDirs;
    StorageInfo storageInfo = null;
    for (int numDirs = 1; numDirs <= 2; numDirs++) {
      conf = new HdfsConfiguration();
      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 upgrade", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      cluster = createCluster();
      checkNameNode(nameNodeDirs, EXPECTED_TXID);
      if (numDirs > 1)
        TestParallelImageWrite.checkImages(cluster.getNamesystem(), numDirs);
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("Normal DataNode upgrade", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      cluster = createCluster();
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
      checkDataNode(dataNodeDirs, UpgradeUtilities.getCurrentBlockPoolID(null));
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);
     
      log("NameNode upgrade with existing previous dir", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "previous");
      startNameNodeShouldFail(StartupOption.UPGRADE);
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("DataNode upgrade with existing previous dir", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      cluster = createCluster();
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "previous");
      cluster.startDataNodes(conf, 1, false, StartupOption.REGULAR, null);
      checkDataNode(dataNodeDirs, UpgradeUtilities.getCurrentBlockPoolID(null));
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);

      log("DataNode upgrade with future stored layout version in current", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      cluster = createCluster();
      baseDirs = UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      storageInfo = new StorageInfo(Integer.MIN_VALUE,
          UpgradeUtilities.getCurrentNamespaceID(cluster),
          UpgradeUtilities.getCurrentClusterID(cluster),
          UpgradeUtilities.getCurrentFsscTime(cluster));
     
      UpgradeUtilities.createDataNodeVersionFile(baseDirs, storageInfo,
          UpgradeUtilities.getCurrentBlockPoolID(cluster));
     
      startBlockPoolShouldFail(StartupOption.REGULAR, UpgradeUtilities
          .getCurrentBlockPoolID(null));
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);
     
      log("DataNode upgrade with newer fsscTime in current", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      cluster = createCluster();
      baseDirs = UpgradeUtilities.createDataNodeStorageDirs(dataNodeDirs, "current");
      storageInfo = new StorageInfo(UpgradeUtilities.getCurrentLayoutVersion(),
          UpgradeUtilities.getCurrentNamespaceID(cluster),
          UpgradeUtilities.getCurrentClusterID(cluster), Long.MAX_VALUE);
         
      UpgradeUtilities.createDataNodeVersionFile(baseDirs, storageInfo,
          UpgradeUtilities.getCurrentBlockPoolID(cluster));
      // Ensure corresponding block pool failed to initialized
      startBlockPoolShouldFail(StartupOption.REGULAR, UpgradeUtilities
          .getCurrentBlockPoolID(null));
      cluster.shutdown();
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
      UpgradeUtilities.createEmptyDirs(dataNodeDirs);

      log("NameNode upgrade with no edits file", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      deleteStorageFilesWithPrefix(nameNodeDirs, "edits_");
      startNameNodeShouldFail(StartupOption.UPGRADE);
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode upgrade with no image file", numDirs);
      UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      deleteStorageFilesWithPrefix(nameNodeDirs, "fsimage_");
      startNameNodeShouldFail(StartupOption.UPGRADE);
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode upgrade with corrupt version file", numDirs);
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      for (File f : baseDirs) {
        UpgradeUtilities.corruptFile(
            new File(f,"VERSION"),
            "layoutVersion".getBytes(Charsets.UTF_8),
            "xxxxxxxxxxxxx".getBytes(Charsets.UTF_8));
      }
      startNameNodeShouldFail(StartupOption.UPGRADE);
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode upgrade with old layout version in current", numDirs);
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      storageInfo = new StorageInfo(Storage.LAST_UPGRADABLE_LAYOUT_VERSION + 1,
          UpgradeUtilities.getCurrentNamespaceID(null),
          UpgradeUtilities.getCurrentClusterID(null),
          UpgradeUtilities.getCurrentFsscTime(null));
     
      UpgradeUtilities.createNameNodeVersionFile(conf, baseDirs, storageInfo,
          UpgradeUtilities.getCurrentBlockPoolID(cluster));
     
      startNameNodeShouldFail(StartupOption.UPGRADE);
      UpgradeUtilities.createEmptyDirs(nameNodeDirs);
     
      log("NameNode upgrade with future layout version in current", numDirs);
      baseDirs = UpgradeUtilities.createNameNodeStorageDirs(nameNodeDirs, "current");
      storageInfo = new StorageInfo(Integer.MIN_VALUE,
          UpgradeUtilities.getCurrentNamespaceID(null),
          UpgradeUtilities.getCurrentClusterID(null),
          UpgradeUtilities.getCurrentFsscTime(null));
     
      UpgradeUtilities.createNameNodeVersionFile(conf, baseDirs, storageInfo,
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    this.exportedKeys = keys;
    this.softwareVersion = softwareVersion;
  }

  public DatanodeRegistration(String ipAddr, int xferPort) {
    this(ipAddr, xferPort, new StorageInfo(), new ExportedBlockKeys());
  }
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    this.storageInfo = info;
    this.exportedKeys = keys;
  }
 
  public void setStorageInfo(StorageInfo storage) {
    this.storageInfo = new StorageInfo(storage);
  }
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    assertEquals(NamenodeRole.NAMENODE,
        PBHelper.convert(NamenodeRoleProto.NAMENODE));
  }

  private static StorageInfo getStorageInfo() {
    return new StorageInfo(1, 2, "cid", 3);
  }
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    return new StorageInfo(1, 2, "cid", 3);
  }

  @Test
  public void testConvertStoragInfo() {
    StorageInfo info = getStorageInfo();
    StorageInfoProto infoProto = PBHelper.convert(info);
    StorageInfo info2 = PBHelper.convert(infoProto);
    assertEquals(info.getClusterID(), info2.getClusterID());
    assertEquals(info.getCTime(), info2.getCTime());
    assertEquals(info.getLayoutVersion(), info2.getLayoutVersion());
    assertEquals(info.getNamespaceID(), info2.getNamespaceID());
  }
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    assertEquals(info.getNamespaceID(), info2.getNamespaceID());
  }

  @Test
  public void testConvertNamenodeRegistration() {
    StorageInfo info = getStorageInfo();
    NamenodeRegistration reg = new NamenodeRegistration("address:999",
        "http:1000", info, NamenodeRole.NAMENODE);
    NamenodeRegistrationProto regProto = PBHelper.convert(reg);
    NamenodeRegistration reg2 = PBHelper.convert(regProto);
    assertEquals(reg.getAddress(), reg2.getAddress());
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    DatanodeID dnId = new DatanodeID("host", "host", "xyz", 0, 1, 0);
    BlockKey[] keys = new BlockKey[] { getBlockKey(2), getBlockKey(3) };
    ExportedBlockKeys expKeys = new ExportedBlockKeys(true, 9, 10,
        getBlockKey(1), keys);
    DatanodeRegistration reg = new DatanodeRegistration(dnId,
        new StorageInfo(), expKeys, "3.0.0");
    DatanodeRegistrationProto proto = PBHelper.convert(reg);
    DatanodeRegistration reg2 = PBHelper.convert(proto);
    compare(reg.getStorageInfo(), reg2.getStorageInfo());
    compare(reg.getExportedKeys(), reg2.getExportedKeys());
    compare((DatanodeID)reg, (DatanodeID)reg2);
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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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          .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("fake-storage-id").when(mockDnReg).getStorageID();
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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("fake-storage-id").when(mockDnReg).getStorageID();
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