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

Example 1 with BlobStoreRestoreManagerMetrics

use of org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics in project samza by apache.

the class TestBlobStoreRestoreManager method testRestoreDeletesCheckpointDirsIfRestoring.

@Test
public void testRestoreDeletesCheckpointDirsIfRestoring() throws IOException {
    String jobName = "testJobName";
    String jobId = "testJobId";
    TaskName taskName = mock(TaskName.class);
    BlobStoreRestoreManagerMetrics metrics = new BlobStoreRestoreManagerMetrics(new MetricsRegistryMap());
    metrics.initStoreMetrics(ImmutableList.of("storeName"));
    Set<String> storesToRestore = ImmutableSet.of("storeName");
    SnapshotIndex snapshotIndex = mock(SnapshotIndex.class);
    Map<String, Pair<String, SnapshotIndex>> prevStoreSnapshotIndexes = ImmutableMap.of("storeName", Pair.of("blobId", snapshotIndex));
    DirIndex dirIndex = BlobStoreTestUtil.createDirIndex("[a]");
    when(snapshotIndex.getDirIndex()).thenReturn(dirIndex);
    CheckpointId checkpointId = CheckpointId.create();
    when(snapshotIndex.getSnapshotMetadata()).thenReturn(new SnapshotMetadata(checkpointId, "jobName", "jobId", "taskName", "storeName"));
    Path loggedBaseDir = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
    // create store dir to be deleted during restore
    Path storeDir = Files.createTempDirectory(loggedBaseDir, "storeDir");
    Path storeCheckpointDir1 = Files.createTempDirectory(loggedBaseDir, "storeDir-" + checkpointId);
    CheckpointId olderCheckpoint = CheckpointId.create();
    Path storeCheckpointDir2 = Files.createTempDirectory(loggedBaseDir, "storeDir-" + olderCheckpoint);
    StorageConfig storageConfig = mock(StorageConfig.class);
    StorageManagerUtil storageManagerUtil = mock(StorageManagerUtil.class);
    when(storageManagerUtil.getTaskStoreDir(eq(loggedBaseDir.toFile()), eq("storeName"), eq(taskName), eq(TaskMode.Active))).thenReturn(storeDir.toFile());
    when(storageManagerUtil.getStoreCheckpointDir(eq(storeDir.toFile()), eq(checkpointId))).thenReturn(Paths.get(storeDir.toString(), checkpointId.toString()).toString());
    when(storageManagerUtil.getTaskStoreCheckpointDirs(any(File.class), anyString(), any(TaskName.class), any(TaskMode.class))).thenReturn(ImmutableList.of(storeCheckpointDir1.toFile(), storeCheckpointDir2.toFile()));
    BlobStoreUtil blobStoreUtil = mock(BlobStoreUtil.class);
    DirDiffUtil dirDiffUtil = mock(DirDiffUtil.class);
    when(dirDiffUtil.areSameDir(anySet(), anyBoolean())).thenReturn((arg1, arg2) -> true);
    // return immediately without restoring.
    when(blobStoreUtil.restoreDir(eq(storeDir.toFile()), eq(dirIndex), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture(null));
    BlobStoreRestoreManager.restoreStores(jobName, jobId, taskName, storesToRestore, prevStoreSnapshotIndexes, loggedBaseDir.toFile(), storageConfig, metrics, storageManagerUtil, blobStoreUtil, dirDiffUtil, EXECUTOR);
    // verify that the store directory restore was called and skipped (i.e. shouldRestore == true)
    verify(blobStoreUtil, times(1)).restoreDir(eq(storeDir.toFile()), eq(dirIndex), any(Metadata.class));
    // verify that the checkpoint directories were deleted prior to restore (should not exist at the end)
    assertFalse(storeCheckpointDir1.toFile().exists());
    assertFalse(storeCheckpointDir2.toFile().exists());
}

Example 2 with BlobStoreRestoreManagerMetrics

use of org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics in project samza by apache.

the class TestBlobStoreRestoreManager method testRestoreDeletesStoreDir.

@Test
public void testRestoreDeletesStoreDir() throws IOException {
    String jobName = "testJobName";
    String jobId = "testJobId";
    TaskName taskName = mock(TaskName.class);
    BlobStoreRestoreManagerMetrics metrics = new BlobStoreRestoreManagerMetrics(new MetricsRegistryMap());
    metrics.initStoreMetrics(ImmutableList.of("storeName"));
    Set<String> storesToRestore = ImmutableSet.of("storeName");
    SnapshotIndex snapshotIndex = mock(SnapshotIndex.class);
    Map<String, Pair<String, SnapshotIndex>> prevStoreSnapshotIndexes = ImmutableMap.of("storeName", Pair.of("blobId", snapshotIndex));
    DirIndex dirIndex = BlobStoreTestUtil.createDirIndex("[a]");
    when(snapshotIndex.getDirIndex()).thenReturn(dirIndex);
    when(snapshotIndex.getSnapshotMetadata()).thenReturn(new SnapshotMetadata(CheckpointId.create(), "jobName", "jobId", "taskName", "storeName"));
    Path loggedBaseDir = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
    // create store dir to be deleted during restore
    Path storeDir = Files.createTempDirectory(loggedBaseDir, "storeDir");
    StorageConfig storageConfig = mock(StorageConfig.class);
    StorageManagerUtil storageManagerUtil = mock(StorageManagerUtil.class);
    when(storageManagerUtil.getStoreCheckpointDir(any(File.class), any(CheckpointId.class))).thenReturn(Paths.get(storeDir.toString(), "checkpointId").toString());
    when(storageManagerUtil.getTaskStoreDir(eq(loggedBaseDir.toFile()), eq("storeName"), eq(taskName), eq(TaskMode.Active))).thenReturn(storeDir.toFile());
    BlobStoreUtil blobStoreUtil = mock(BlobStoreUtil.class);
    DirDiffUtil dirDiffUtil = mock(DirDiffUtil.class);
    // return immediately without restoring.
    when(blobStoreUtil.restoreDir(eq(storeDir.toFile()), eq(dirIndex), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture(null));
    when(dirDiffUtil.areSameDir(anySet(), anyBoolean())).thenReturn((arg1, arg2) -> true);
    BlobStoreRestoreManager.restoreStores(jobName, jobId, taskName, storesToRestore, prevStoreSnapshotIndexes, loggedBaseDir.toFile(), storageConfig, metrics, storageManagerUtil, blobStoreUtil, dirDiffUtil, EXECUTOR);
    // verify that the store directory restore was called and skipped (i.e. shouldRestore == true)
    verify(blobStoreUtil, times(1)).restoreDir(eq(storeDir.toFile()), eq(dirIndex), any(Metadata.class));
    // verify that the store directory was deleted prior to restore
    // (should still not exist at the end since restore is no-op)
    assertFalse(storeDir.toFile().exists());
}

Example 3 with BlobStoreRestoreManagerMetrics

use of org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics in project samza by apache.

the class TestBlobStoreRestoreManager method testRestoreSkipsStoresWithMissingCheckpointSCM.

@Test
public void testRestoreSkipsStoresWithMissingCheckpointSCM() {
    // store renamed from oldStoreName to newStoreName. No SCM for newStoreName in previous checkpoint.
    String jobName = "testJobName";
    String jobId = "testJobId";
    TaskName taskName = mock(TaskName.class);
    BlobStoreRestoreManagerMetrics metrics = new BlobStoreRestoreManagerMetrics(new MetricsRegistryMap());
    metrics.initStoreMetrics(ImmutableList.of("newStoreName"));
    // new store in config
    Set<String> storesToRestore = ImmutableSet.of("newStoreName");
    SnapshotIndex snapshotIndex = mock(SnapshotIndex.class);
    Map<String, Pair<String, SnapshotIndex>> prevStoreSnapshotIndexes = mock(Map.class);
    when(prevStoreSnapshotIndexes.containsKey("newStoreName")).thenReturn(false);
    DirIndex dirIndex = mock(DirIndex.class);
    when(snapshotIndex.getDirIndex()).thenReturn(dirIndex);
    CheckpointId checkpointId = CheckpointId.create();
    when(snapshotIndex.getSnapshotMetadata()).thenReturn(new SnapshotMetadata(checkpointId, "jobName", "jobId", "taskName", "storeName"));
    Path loggedBaseDir = mock(Path.class);
    // create store dir to be deleted during restore
    StorageConfig storageConfig = mock(StorageConfig.class);
    StorageManagerUtil storageManagerUtil = mock(StorageManagerUtil.class);
    BlobStoreUtil blobStoreUtil = mock(BlobStoreUtil.class);
    DirDiffUtil dirDiffUtil = mock(DirDiffUtil.class);
    BlobStoreRestoreManager.restoreStores(jobName, jobId, taskName, storesToRestore, prevStoreSnapshotIndexes, loggedBaseDir.toFile(), storageConfig, metrics, storageManagerUtil, blobStoreUtil, dirDiffUtil, EXECUTOR);
    // verify that we checked the previously checkpointed SCMs.
    verify(prevStoreSnapshotIndexes, times(1)).containsKey(eq("newStoreName"));
    // verify that the store directory restore was never called
    verify(blobStoreUtil, times(0)).restoreDir(any(File.class), any(DirIndex.class), any(Metadata.class));
}

Example 4 with BlobStoreRestoreManagerMetrics

use of org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics in project samza by apache.

the class BlobStoreStateBackendFactory method getRestoreManager.

@Override
public TaskRestoreManager getRestoreManager(JobContext jobContext, ContainerContext containerContext, TaskModel taskModel, ExecutorService restoreExecutor, MetricsRegistry metricsRegistry, Set<String> storesToRestore, Config config, Clock clock, File loggedStoreBaseDir, File nonLoggedStoreBaseDir, KafkaChangelogRestoreParams kafkaChangelogRestoreParams) {
    BlobStoreConfig blobStoreConfig = new BlobStoreConfig(config);
    String blobStoreManagerFactory = blobStoreConfig.getBlobStoreManagerFactory();
    Preconditions.checkState(StringUtils.isNotBlank(blobStoreManagerFactory));
    BlobStoreManagerFactory factory = ReflectionUtil.getObj(blobStoreManagerFactory, BlobStoreManagerFactory.class);
    BlobStoreManager blobStoreManager = factory.getRestoreBlobStoreManager(config, restoreExecutor);
    BlobStoreRestoreManagerMetrics metrics = new BlobStoreRestoreManagerMetrics(metricsRegistry);
    return new BlobStoreRestoreManager(taskModel, restoreExecutor, storesToRestore, metrics, config, loggedStoreBaseDir, nonLoggedStoreBaseDir, new StorageManagerUtil(), blobStoreManager);
}

Example 5 with BlobStoreRestoreManagerMetrics

use of org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics in project samza by apache.

the class TestBlobStoreRestoreManager method testRestoreRetainsCheckpointDirsIfValid.

@Test
public void testRestoreRetainsCheckpointDirsIfValid() throws IOException {
    String jobName = "testJobName";
    String jobId = "testJobId";
    TaskName taskName = mock(TaskName.class);
    BlobStoreRestoreManagerMetrics metrics = new BlobStoreRestoreManagerMetrics(new MetricsRegistryMap());
    metrics.initStoreMetrics(ImmutableList.of("storeName"));
    Set<String> storesToRestore = ImmutableSet.of("storeName");
    SnapshotIndex snapshotIndex = mock(SnapshotIndex.class);
    Map<String, Pair<String, SnapshotIndex>> prevStoreSnapshotIndexes = ImmutableMap.of("storeName", Pair.of("blobId", snapshotIndex));
    DirIndex dirIndex = BlobStoreTestUtil.createDirIndex("[a]");
    when(snapshotIndex.getDirIndex()).thenReturn(dirIndex);
    CheckpointId checkpointId = CheckpointId.create();
    when(snapshotIndex.getSnapshotMetadata()).thenReturn(new SnapshotMetadata(checkpointId, "jobName", "jobId", "taskName", "storeName"));
    Path loggedBaseDir = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
    // create store dir to be deleted during restore
    Path storeDir = Files.createTempDirectory(loggedBaseDir, "storeDir-");
    // create checkpoint dir so that shouldRestore = false (areSameDir == true later)
    Path storeCheckpointDir = Files.createTempDirectory(loggedBaseDir, "storeDir-" + checkpointId + "-");
    // create a dummy file to verify after dir rename.
    Path tempFile = Files.createTempFile(storeCheckpointDir, "tempFile-", null);
    StorageConfig storageConfig = mock(StorageConfig.class);
    StorageManagerUtil storageManagerUtil = mock(StorageManagerUtil.class);
    when(storageManagerUtil.getTaskStoreDir(eq(loggedBaseDir.toFile()), eq("storeName"), eq(taskName), eq(TaskMode.Active))).thenReturn(storeDir.toFile());
    when(storageManagerUtil.getStoreCheckpointDir(any(File.class), eq(checkpointId))).thenReturn(storeCheckpointDir.toString());
    when(storageManagerUtil.getTaskStoreCheckpointDirs(any(File.class), anyString(), any(TaskName.class), any(TaskMode.class))).thenReturn(ImmutableList.of(storeCheckpointDir.toFile()));
    BlobStoreUtil blobStoreUtil = mock(BlobStoreUtil.class);
    DirDiffUtil dirDiffUtil = mock(DirDiffUtil.class);
    // ensures shouldRestore is not called
    when(dirDiffUtil.areSameDir(anySet(), anyBoolean())).thenReturn((arg1, arg2) -> true);
    // return immediately without restoring.
    when(blobStoreUtil.restoreDir(eq(storeDir.toFile()), eq(dirIndex), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture(null));
    BlobStoreRestoreManager.restoreStores(jobName, jobId, taskName, storesToRestore, prevStoreSnapshotIndexes, loggedBaseDir.toFile(), storageConfig, metrics, storageManagerUtil, blobStoreUtil, dirDiffUtil, EXECUTOR);
    // verify that the store directory restore was not called (should have restored from checkpoint dir)
    verify(blobStoreUtil, times(0)).restoreDir(eq(storeDir.toFile()), eq(dirIndex), any(Metadata.class));
    // verify that the checkpoint dir was renamed to store dir
    assertFalse(storeCheckpointDir.toFile().exists());
    assertTrue(storeDir.toFile().exists());
    assertTrue(Files.exists(Paths.get(storeDir.toString(), tempFile.getFileName().toString())));
}