use of org.apache.samza.storage.blobstore.util.DirDiffUtil 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());
}
use of org.apache.samza.storage.blobstore.util.DirDiffUtil 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());
}
use of org.apache.samza.storage.blobstore.util.DirDiffUtil in project samza by apache.
the class TestBlobStoreRestoreManager method testShouldNotRestoreIfPreviousCheckpointDirIdenticalToRemoteSnapshot.
@Test
public void testShouldNotRestoreIfPreviousCheckpointDirIdenticalToRemoteSnapshot() throws IOException {
String taskName = "taskName";
String storeName = "storeName";
DirIndex dirIndex = mock(DirIndex.class);
// must exist
Path storeCheckpointDir = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
StorageConfig storageConfig = mock(StorageConfig.class);
when(storageConfig.cleanLoggedStoreDirsOnStart(anyString())).thenReturn(false);
DirDiffUtil dirDiffUtil = mock(DirDiffUtil.class);
// are same dir
when(dirDiffUtil.areSameDir(anySet(), anyBoolean())).thenReturn((arg1, arg2) -> true);
boolean shouldRestore = BlobStoreRestoreManager.shouldRestore(taskName, storeName, dirIndex, storeCheckpointDir, storageConfig, dirDiffUtil);
verify(dirDiffUtil, times(1)).areSameDir(anySet(), anyBoolean());
// should not restore, should retain checkpoint dir instead
assertFalse(shouldRestore);
}
use of org.apache.samza.storage.blobstore.util.DirDiffUtil in project samza by apache.
the class TestBlobStoreRestoreManager method testShouldRestoreIfCheckpointDirNotIdenticalToRemoteSnapshot.
@Test
public void testShouldRestoreIfCheckpointDirNotIdenticalToRemoteSnapshot() throws IOException {
String taskName = "taskName";
String storeName = "storeName";
DirIndex dirIndex = mock(DirIndex.class);
// must exist
Path storeCheckpointDir = Files.createTempDirectory(BlobStoreTestUtil.TEMP_DIR_PREFIX);
StorageConfig storageConfig = mock(StorageConfig.class);
when(storageConfig.cleanLoggedStoreDirsOnStart(anyString())).thenReturn(false);
DirDiffUtil dirDiffUtil = mock(DirDiffUtil.class);
when(dirDiffUtil.areSameDir(anySet(), anyBoolean())).thenReturn((arg1, arg2) -> false);
boolean shouldRestore = BlobStoreRestoreManager.shouldRestore(taskName, storeName, dirIndex, storeCheckpointDir, storageConfig, dirDiffUtil);
assertTrue(shouldRestore);
}
use of org.apache.samza.storage.blobstore.util.DirDiffUtil 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));
}
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