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

Example 6 with BlobStoreManager

use of org.apache.samza.storage.blobstore.BlobStoreManager in project samza by apache.

the class TestBlobStoreUtil method testPutDirFailsIfAnySubDirFileUploadFails.

@Test
public void testPutDirFailsIfAnySubDirFileUploadFails() throws IOException, TimeoutException, InterruptedException {
    BlobStoreManager blobStoreManager = mock(BlobStoreManager.class);
    // File, dir and recursive dir added, retained and removed in local
    String local = "[a/1, b/2]";
    String remote = "[]";
    // 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()));
    // Set up mocks
    SamzaException exception = new SamzaException("Error uploading file");
    CompletableFuture<String> failedFuture = new CompletableFuture<>();
    failedFuture.completeExceptionally(exception);
    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();
        if (path.endsWith("1")) {
            return CompletableFuture.completedFuture("a1BlobId");
        } else {
            return failedFuture;
        }
    });
    // Execute
    BlobStoreUtil blobStoreUtil = new BlobStoreUtil(blobStoreManager, EXECUTOR, null, null);
    CompletionStage<DirIndex> dirIndexFuture = blobStoreUtil.putDir(dirDiff, snapshotMetadata);
    try {
        // should be already complete. if not, future composition in putDir is broken.
        dirIndexFuture.toCompletableFuture().get(0, TimeUnit.MILLISECONDS);
    } catch (ExecutionException e) {
        Throwable cause = e.getCause();
        // Assert that the result future fails and that the cause is propagated correctly
        assertEquals(exception, cause);
        return;
    }
    fail("DirIndex future should have been completed with an exception");
}

Example 7 with BlobStoreManager

use of org.apache.samza.storage.blobstore.BlobStoreManager in project samza by apache.

the class TestBlobStoreUtil method testRestoreDirCreatesCorrectDirectoryStructure.

@Test
public void testRestoreDirCreatesCorrectDirectoryStructure() throws IOException {
    String prevSnapshotFiles = "[a, b, z/1, y/1, p/m/1, q/n/1]";
    DirIndex dirIndex = BlobStoreTestUtil.createDirIndex(prevSnapshotFiles);
    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);
    });
    Path restoreDirBasePath = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
    BlobStoreUtil blobStoreUtil = new BlobStoreUtil(mockBlobStoreManager, EXECUTOR, null, null);
    blobStoreUtil.restoreDir(restoreDirBasePath.toFile(), dirIndex, metadata).join();
    assertTrue(new DirDiffUtil().areSameDir(Collections.emptySet(), false).test(restoreDirBasePath.toFile(), dirIndex));
}

Example 8 with BlobStoreManager

use of org.apache.samza.storage.blobstore.BlobStoreManager 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 9 with BlobStoreManager

use of org.apache.samza.storage.blobstore.BlobStoreManager 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 10 with BlobStoreManager

use of org.apache.samza.storage.blobstore.BlobStoreManager 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);
}