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

Example 1 with SnapshotIndex

use of org.apache.samza.storage.blobstore.index.SnapshotIndex 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 SnapshotIndex

use of org.apache.samza.storage.blobstore.index.SnapshotIndex 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 SnapshotIndex

use of org.apache.samza.storage.blobstore.index.SnapshotIndex 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 SnapshotIndex

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

the class TestBlobStoreRestoreManager method testDeleteUnusedStoresRemovesStoresDeletedFromConfig.

@Test
public void testDeleteUnusedStoresRemovesStoresDeletedFromConfig() {
    String jobName = "testJobName";
    String jobId = "testJobId";
    String taskName = "taskName";
    StorageConfig storageConfig = mock(StorageConfig.class);
    BlobStoreConfig blobStoreConfig = mock(BlobStoreConfig.class);
    SnapshotIndex mockSnapshotIndex = mock(SnapshotIndex.class);
    String blobId = "blobId";
    Map<String, Pair<String, SnapshotIndex>> initialStoreSnapshotIndexes = ImmutableMap.of("oldStoreName", Pair.of(blobId, mockSnapshotIndex));
    when(storageConfig.getStoresWithBackupFactory(eq(BlobStoreStateBackendFactory.class.getName()))).thenReturn(ImmutableList.of("newStoreName"));
    when(storageConfig.getStoresWithRestoreFactory(eq(BlobStoreStateBackendFactory.class.getName()))).thenReturn(ImmutableList.of("newStoreName"));
    DirIndex dirIndex = mock(DirIndex.class);
    when(mockSnapshotIndex.getDirIndex()).thenReturn(dirIndex);
    BlobStoreUtil blobStoreUtil = mock(BlobStoreUtil.class);
    when(blobStoreUtil.cleanUpDir(any(DirIndex.class), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture(null));
    when(blobStoreUtil.deleteDir(any(DirIndex.class), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture(null));
    when(blobStoreUtil.deleteSnapshotIndexBlob(anyString(), any(Metadata.class))).thenReturn(CompletableFuture.completedFuture(null));
    BlobStoreRestoreManager.deleteUnusedStoresFromBlobStore(jobName, jobId, taskName, storageConfig, blobStoreConfig, initialStoreSnapshotIndexes, blobStoreUtil, EXECUTOR);
    verify(blobStoreUtil, times(1)).cleanUpDir(eq(dirIndex), any(Metadata.class));
    verify(blobStoreUtil, times(1)).deleteDir(eq(dirIndex), any(Metadata.class));
    verify(blobStoreUtil, times(1)).deleteSnapshotIndexBlob(eq(blobId), any(Metadata.class));
}

Example 5 with SnapshotIndex

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

the class TestBlobStoreBackupManager method setup.

@Before
public void setup() throws Exception {
    when(clock.currentTimeMillis()).thenReturn(1234567L);
    // setup test local and remote snapshots
    indexBlobIdAndLocalRemoteSnapshotsPair = setupRemoteAndLocalSnapshots(true);
    // setup test store name and SCMs map
    testStoreNameAndSCMMap = setupTestStoreSCMMapAndStoreBackedFactoryConfig(indexBlobIdAndLocalRemoteSnapshotsPair);
    // setup: setup task backup manager with expected storeName->storageEngine map
    testStoreNameAndSCMMap.forEach((storeName, scm) -> storeStorageEngineMap.put(storeName, null));
    mapConfig.putAll(new MapConfig(ImmutableMap.of("job.name", jobName, "job.id", jobId)));
    Config config = new MapConfig(mapConfig);
    // Mock - return snapshot index for blob id from test blob store map
    ArgumentCaptor<String> captor = ArgumentCaptor.forClass(String.class);
    when(blobStoreUtil.getSnapshotIndex(captor.capture(), any(Metadata.class))).then((Answer<CompletableFuture<SnapshotIndex>>) invocation -> {
        String blobId = invocation.getArgumentAt(0, String.class);
        return CompletableFuture.completedFuture(testBlobStore.get(blobId));
    });
    // doNothing().when(blobStoreManager).init();
    when(taskModel.getTaskName().getTaskName()).thenReturn(taskName);
    when(taskModel.getTaskMode()).thenReturn(TaskMode.Active);
    when(metricsRegistry.newCounter(anyString(), anyString())).thenReturn(counter);
    when(metricsRegistry.newGauge(anyString(), anyString(), anyLong())).thenReturn(longGauge);
    when(metricsRegistry.newGauge(anyString(), anyString(), any(AtomicLong.class))).thenReturn(atomicLongGauge);
    when(atomicLongGauge.getValue()).thenReturn(new AtomicLong());
    when(metricsRegistry.newTimer(anyString(), anyString())).thenReturn(timer);
    blobStoreTaskBackupMetrics = new BlobStoreBackupManagerMetrics(metricsRegistry);
    blobStoreBackupManager = new MockBlobStoreBackupManager(jobModel, containerModel, taskModel, mockExecutor, blobStoreTaskBackupMetrics, config, Files.createTempDirectory("logged-store-").toFile(), storageManagerUtil, blobStoreManager);
}