Examples with CheckpointId org.apache.samza.checkpoint.CheckpointId used on opensource projects

Example 16 with CheckpointId

use of org.apache.samza.checkpoint.CheckpointId in project samza by apache.

the class TestBlobStoreUtil method testPutDirFailsIfAnyFileUploadFails.

@Test
public void testPutDirFailsIfAnyFileUploadFails() throws IOException, TimeoutException, InterruptedException {
    BlobStoreManager blobStoreManager = mock(BlobStoreManager.class);
    // File, dir and recursive dir added, retained and removed in local
    String local = "[a, b]";
    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("a")) {
            return CompletableFuture.completedFuture("aBlobId");
        } 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 17 with CheckpointId

use of org.apache.samza.checkpoint.CheckpointId in project samza by apache.

the class TestBlobStoreUtil method testCleanUpFailsIfAnyFileDeleteFails.

@Test
public void testCleanUpFailsIfAnyFileDeleteFails() throws IOException, TimeoutException, InterruptedException, ExecutionException {
    BlobStoreManager blobStoreManager = mock(BlobStoreManager.class);
    // File, dir and recursive dir added, retained and removed in local
    // Using unique file names since test util uses only the file name (leaf node)
    // as the mock blob id, not the full file path.
    String local = "[a, b]";
    String remote = "[c, d]";
    // 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()));
    BlobStoreUtil blobStoreUtil = new BlobStoreUtil(blobStoreManager, EXECUTOR, null, null);
    when(blobStoreManager.put(any(InputStream.class), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture("blobId"));
    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.");
    }
    // Set up mocks
    SamzaException exception = new SamzaException("Error deleting file");
    CompletableFuture<Void> failedFuture = new CompletableFuture<>();
    failedFuture.completeExceptionally(exception);
    when(blobStoreManager.delete(anyString(), any(Metadata.class))).thenAnswer((Answer<CompletableFuture<Void>>) invocation -> {
        String blobId = invocation.getArgumentAt(0, String.class);
        if (blobId.equals("c")) {
            return CompletableFuture.completedFuture(null);
        } else {
            return failedFuture;
        }
    });
    // Execute
    CompletionStage<Void> cleanUpFuture = blobStoreUtil.cleanUpDir(dirIndex, metadata);
    try {
        // should be already complete. if not, future composition in putDir is broken.
        cleanUpFuture.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("Clean up future should have been completed with an exception");
}

Example 18 with CheckpointId

use of org.apache.samza.checkpoint.CheckpointId in project samza by apache.

the class TestBlobStoreUtil method createCheckpointV2.

private CheckpointV2 createCheckpointV2(String stateBackendFactory, Map<String, String> storeSnapshotIndexBlobIds) {
    CheckpointId checkpointId = CheckpointId.create();
    Map<String, Map<String, String>> factoryStoreSCMs = new HashMap<>();
    Map<String, String> storeSCMs = new HashMap<>();
    for (Map.Entry<String, String> entry : storeSnapshotIndexBlobIds.entrySet()) {
        storeSCMs.put(entry.getKey(), entry.getValue());
    }
    factoryStoreSCMs.put(stateBackendFactory, storeSCMs);
    return new CheckpointV2(checkpointId, ImmutableMap.of(), factoryStoreSCMs);
}

Example 19 with CheckpointId

use of org.apache.samza.checkpoint.CheckpointId in project samza by apache.

the class TestBlobStoreUtil method testPutFileChecksumAndMetadata.

@Test
public void testPutFileChecksumAndMetadata() throws IOException, ExecutionException, InterruptedException {
    // Setup
    SnapshotMetadata snapshotMetadata = new SnapshotMetadata(checkpointId, jobName, jobId, taskName, storeName);
    Path path = Files.createTempFile("samza-testPutFileChecksum-", ".tmp");
    FileUtil fileUtil = new FileUtil();
    fileUtil.writeToTextFile(path.toFile(), RandomStringUtils.random(1000), false);
    long expectedChecksum = FileUtils.checksumCRC32(path.toFile());
    BlobStoreManager blobStoreManager = mock(BlobStoreManager.class);
    ArgumentCaptor<Metadata> argumentCaptor = ArgumentCaptor.forClass(Metadata.class);
    when(blobStoreManager.put(any(InputStream.class), argumentCaptor.capture())).thenAnswer((Answer<CompletionStage<String>>) invocation -> {
        InputStream inputStream = invocation.getArgumentAt(0, InputStream.class);
        IOUtils.copy(inputStream, NullOutputStream.NULL_OUTPUT_STREAM);
        return CompletableFuture.completedFuture("blobId");
    });
    BlobStoreUtil blobStoreUtil = new BlobStoreUtil(blobStoreManager, EXECUTOR, null, null);
    CompletionStage<FileIndex> fileIndexFuture = blobStoreUtil.putFile(path.toFile(), snapshotMetadata);
    FileIndex fileIndex = null;
    try {
        // should be already complete. if not, future composition in putFile is broken.
        fileIndex = fileIndexFuture.toCompletableFuture().get(0, TimeUnit.MILLISECONDS);
    } catch (TimeoutException e) {
        fail("Future returned from putFile should be already complete.");
    }
    // Assert
    Metadata metadata = (Metadata) argumentCaptor.getValue();
    assertEquals(path.toAbsolutePath().toString(), metadata.getPayloadPath());
    assertEquals(path.toFile().length(), Long.valueOf(metadata.getPayloadSize()).longValue());
    assertEquals(expectedChecksum, fileIndex.getChecksum());
}

Example 20 with CheckpointId

use of org.apache.samza.checkpoint.CheckpointId 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");
}