Examples with DirIndex org.apache.samza.storage.blobstore.index.DirIndex used on opensource projects

Example 26 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex in project samza by apache.

the class TestDirDiffUtilMisc method testGetDirDiffWhenIsSameFileReturnsFalseForSameFileName.

/**
 * Test the case when a file has been modified locally. I.e., when isSameFile returns false for a local file with
 * the same name as the remote file. The file should be marked for both deletion and addition.
 */
@Test
public void testGetDirDiffWhenIsSameFileReturnsFalseForSameFileName() throws IOException {
    String local = "[a]";
    String remote = "[a]";
    String expectedAdded = "[a]";
    String expectedRetained = "[]";
    String expectedRemoved = "[a]";
    Path localSnapshotDir = BlobStoreTestUtil.createLocalDir(local);
    String basePath = localSnapshotDir.toAbsolutePath().toString();
    DirIndex remoteSnapshotDir = BlobStoreTestUtil.createDirIndex(remote);
    // Execute
    DirDiff dirDiff = DirDiffUtil.getDirDiff(localSnapshotDir.toFile(), remoteSnapshotDir, (localFile, remoteFile) -> false);
    SortedSet<String> allAdded = new TreeSet<>();
    SortedSet<String> allRemoved = new TreeSet<>();
    SortedSet<String> allRetained = new TreeSet<>();
    BlobStoreTestUtil.getAllAddedInDiff(basePath, dirDiff, allAdded);
    BlobStoreTestUtil.getAllRemovedInDiff("", dirDiff, allRemoved);
    BlobStoreTestUtil.getAllRetainedInDiff("", dirDiff, allRetained);
    // Assert
    SortedSet<String> expectedAddedFiles = BlobStoreTestUtil.getExpected(expectedAdded);
    SortedSet<String> expectedRetainedFiles = BlobStoreTestUtil.getExpected(expectedRetained);
    SortedSet<String> expectedRemovedFiles = BlobStoreTestUtil.getExpected(expectedRemoved);
    assertEquals(expectedAddedFiles, allAdded);
    assertEquals(expectedRetainedFiles, allRetained);
    assertEquals(expectedRemovedFiles, allRemoved);
}

Example 27 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex in project samza by apache.

the class BlobStoreUtil method putDir.

/**
 * Recursively upload all new files and upload or update contents of all subdirs in the {@link DirDiff} and return a
 * Future containing the {@link DirIndex} associated with the directory.
 * @param dirDiff diff for the contents of this directory
 * @return A future with the {@link DirIndex} if the upload completed successfully.
 */
public CompletionStage<DirIndex> putDir(DirDiff dirDiff, SnapshotMetadata snapshotMetadata) {
    // Upload all new files in the dir
    List<File> filesToUpload = dirDiff.getFilesAdded();
    List<CompletionStage<FileIndex>> fileFutures = filesToUpload.stream().map(file -> putFile(file, snapshotMetadata)).collect(Collectors.toList());
    CompletableFuture<Void> allFilesFuture = CompletableFuture.allOf(fileFutures.toArray(new CompletableFuture[0]));
    List<CompletionStage<DirIndex>> subDirFutures = new ArrayList<>();
    // recursively upload all new subdirs of this dir
    for (DirDiff subDirAdded : dirDiff.getSubDirsAdded()) {
        subDirFutures.add(putDir(subDirAdded, snapshotMetadata));
    }
    // recursively update contents of all subdirs that are retained but might have been modified
    for (DirDiff subDirRetained : dirDiff.getSubDirsRetained()) {
        subDirFutures.add(putDir(subDirRetained, snapshotMetadata));
    }
    CompletableFuture<Void> allDirBlobsFuture = CompletableFuture.allOf(subDirFutures.toArray(new CompletableFuture[0]));
    return CompletableFuture.allOf(allDirBlobsFuture, allFilesFuture).thenApplyAsync(f -> {
        LOG.trace("All file and dir uploads complete for task: {} store: {}", snapshotMetadata.getTaskName(), snapshotMetadata.getStoreName());
        List<FileIndex> filesPresent = fileFutures.stream().map(blob -> blob.toCompletableFuture().join()).collect(Collectors.toList());
        filesPresent.addAll(dirDiff.getFilesRetained());
        List<DirIndex> subDirsPresent = subDirFutures.stream().map(subDir -> subDir.toCompletableFuture().join()).collect(Collectors.toList());
        LOG.debug("Uploaded diff for task: {} store: {} with statistics: {}", snapshotMetadata.getTaskName(), snapshotMetadata.getStoreName(), DirDiff.getStats(dirDiff));
        LOG.trace("Returning new DirIndex for task: {} store: {}", snapshotMetadata.getTaskName(), snapshotMetadata.getStoreName());
        return new DirIndex(dirDiff.getDirName(), filesPresent, dirDiff.getFilesRemoved(), subDirsPresent, dirDiff.getSubDirsRemoved());
    }, executor);
}

Example 28 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex in project samza by apache.

the class TestBlobStoreUtil method testRestoreDirFailsRestoreOnNonRetriableExceptions.

@Test
public void testRestoreDirFailsRestoreOnNonRetriableExceptions() throws IOException {
    Path restoreDirBasePath = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
    DirIndex mockDirIndex = mock(DirIndex.class);
    when(mockDirIndex.getDirName()).thenReturn(DirIndex.ROOT_DIR_NAME);
    FileIndex mockFileIndex = mock(FileIndex.class);
    when(mockFileIndex.getFileName()).thenReturn("1.sst");
    // setup mock file attributes. create a temp file to get current user/group/permissions so that they
    // match with restored files.
    File tmpFile = Paths.get(restoreDirBasePath.toString(), "tempfile-" + new Random().nextInt()).toFile();
    tmpFile.createNewFile();
    byte[] fileContents = "fileContents".getBytes();
    PosixFileAttributes attrs = Files.readAttributes(tmpFile.toPath(), PosixFileAttributes.class);
    FileMetadata fileMetadata = new // ctime mtime does not matter. size == 26
    FileMetadata(// ctime mtime does not matter. size == 26
    1234L, // ctime mtime does not matter. size == 26
    1243L, // ctime mtime does not matter. size == 26
    fileContents.length, attrs.owner().getName(), attrs.group().getName(), PosixFilePermissions.toString(attrs.permissions()));
    when(mockFileIndex.getFileMetadata()).thenReturn(fileMetadata);
    // delete so that it doesn't show up in restored dir contents.
    Files.delete(tmpFile.toPath());
    List<FileBlob> mockFileBlobs = new ArrayList<>();
    FileBlob mockFileBlob = mock(FileBlob.class);
    when(mockFileBlob.getBlobId()).thenReturn("fileBlobId");
    when(mockFileBlob.getOffset()).thenReturn(0);
    mockFileBlobs.add(mockFileBlob);
    when(mockFileIndex.getBlobs()).thenReturn(mockFileBlobs);
    CRC32 checksum = new CRC32();
    checksum.update(fileContents);
    when(mockFileIndex.getChecksum()).thenReturn(checksum.getValue());
    when(mockDirIndex.getFilesPresent()).thenReturn(ImmutableList.of(mockFileIndex));
    BlobStoreManager mockBlobStoreManager = mock(BlobStoreManager.class);
    when(mockBlobStoreManager.get(anyString(), any(OutputStream.class), any(Metadata.class))).thenReturn(// non retriable error
    FutureUtil.failedFuture(new IllegalArgumentException())).thenAnswer((Answer<CompletionStage<Void>>) invocationOnMock -> {
        String blobId = invocationOnMock.getArgumentAt(0, String.class);
        OutputStream outputStream = invocationOnMock.getArgumentAt(1, OutputStream.class);
        outputStream.write(fileContents);
        ((FileOutputStream) outputStream).getFD().sync();
        return CompletableFuture.completedFuture(null);
    });
    BlobStoreUtil blobStoreUtil = new BlobStoreUtil(mockBlobStoreManager, EXECUTOR, null, null);
    try {
        blobStoreUtil.restoreDir(restoreDirBasePath.toFile(), mockDirIndex, metadata).join();
        fail("Should have failed on non-retriable errors during file restore");
    } catch (CompletionException e) {
        assertTrue(e.getCause() instanceof IllegalArgumentException);
    }
}

Example 29 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex in project samza by apache.

the class TestBlobStoreUtil method testRestoreDirRecreatesEmptyFilesAndDirs.

@Test
// TODO remove
@Ignore
public void testRestoreDirRecreatesEmptyFilesAndDirs() throws IOException {
    String prevSnapshotFiles = "[a, b, z/1, y/1, p/m/1, q/n/1]";
    DirIndex dirIndex = BlobStoreTestUtil.createDirIndex(prevSnapshotFiles);
    String localSnapshotFiles = "[a, b, z/1, y/1, p/m/1, q/n/1]";
    Path localSnapshot = BlobStoreTestUtil.createLocalDir(localSnapshotFiles);
    BlobStoreManager mockBlobStoreManager = mock(BlobStoreManager.class);
    when(mockBlobStoreManager.get(anyString(), any(OutputStream.class), any(Metadata.class))).thenAnswer((Answer<CompletionStage<Void>>) invocationOnMock -> {
        String blobId = invocationOnMock.getArgumentAt(0, String.class);
        OutputStream outputStream = invocationOnMock.getArgumentAt(1, OutputStream.class);
        outputStream.write(blobId.getBytes());
        return CompletableFuture.completedFuture(null);
    });
    boolean result = new DirDiffUtil().areSameDir(new TreeSet<>(), false).test(localSnapshot.toFile(), dirIndex);
    assertFalse(result);
// ToDo complete
}

Example 30 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex in project samza by apache.

the class TestBlobStoreUtil method testPutDir.

@Test
public // TODO HIGH shesharm test with empty (0 byte) files
void testPutDir() throws IOException, InterruptedException, ExecutionException {
    BlobStoreManager blobStoreManager = mock(BlobStoreManager.class);
    // File, dir and recursive dir added, retained and removed in local
    String local = "[a, c, z/1, y/1, p/m/1, q/n/1]";
    String remote = "[a, b, z/1, x/1, p/m/1, p/m/2, r/o/1]";
    String expectedAdded = "[c, y/1, q/n/1]";
    String expectedRetained = "[a, z/1, p/m/1]";
    String expectedRemoved = "[b, x/1, r/o/1, p/m/2]";
    SortedSet<String> expectedAddedFiles = BlobStoreTestUtil.getExpected(expectedAdded);
    SortedSet<String> expectedRetainedFiles = BlobStoreTestUtil.getExpected(expectedRetained);
    SortedSet<String> expectedPresentFiles = new TreeSet<>(expectedAddedFiles);
    expectedPresentFiles.addAll(expectedRetainedFiles);
    SortedSet<String> expectedRemovedFiles = BlobStoreTestUtil.getExpected(expectedRemoved);
    // Set up environment
    Path localSnapshotDir = BlobStoreTestUtil.createLocalDir(local);
    String basePath = localSnapshotDir.toAbsolutePath().toString();
    DirIndex remoteSnapshotDir = BlobStoreTestUtil.createDirIndex(remote);
    SnapshotMetadata snapshotMetadata = new SnapshotMetadata(checkpointId, jobName, jobId, taskName, storeName);
    DirDiff dirDiff = DirDiffUtil.getDirDiff(localSnapshotDir.toFile(), remoteSnapshotDir, (localFile, remoteFile) -> localFile.getName().equals(remoteFile.getFileName()));
    SortedSet<String> allUploaded = new TreeSet<>();
    // Set up mocks
    when(blobStoreManager.put(any(InputStream.class), any(Metadata.class))).thenAnswer((Answer<CompletableFuture<String>>) invocation -> {
        Metadata metadata = invocation.getArgumentAt(1, Metadata.class);
        String path = metadata.getPayloadPath();
        allUploaded.add(path.substring(localSnapshotDir.toAbsolutePath().toString().length() + 1));
        return CompletableFuture.completedFuture(path);
    });
    // Execute
    BlobStoreUtil blobStoreUtil = new BlobStoreUtil(blobStoreManager, EXECUTOR, null, null);
    CompletionStage<DirIndex> dirIndexFuture = blobStoreUtil.putDir(dirDiff, snapshotMetadata);
    DirIndex dirIndex = null;
    try {
        // should be already complete. if not, future composition in putDir is broken.
        dirIndex = dirIndexFuture.toCompletableFuture().get(0, TimeUnit.MILLISECONDS);
    } catch (TimeoutException e) {
        fail("Future returned from putDir should be already complete.");
    }
    SortedSet<String> allPresent = new TreeSet<>();
    SortedSet<String> allRemoved = new TreeSet<>();
    BlobStoreTestUtil.getAllPresentInIndex("", dirIndex, allPresent);
    BlobStoreTestUtil.getAllRemovedInIndex("", dirIndex, allRemoved);
    // Assert
    assertEquals(expectedAddedFiles, allUploaded);
    assertEquals(expectedPresentFiles, allPresent);
    assertEquals(expectedRemovedFiles, allRemoved);
}