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Example 6 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex 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());
}
Also used : Path(java.nio.file.Path) SnapshotIndex(org.apache.samza.storage.blobstore.index.SnapshotIndex) StorageConfig(org.apache.samza.config.StorageConfig) StorageManagerUtil(org.apache.samza.storage.StorageManagerUtil) BlobStoreRestoreManagerMetrics(org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics) SnapshotMetadata(org.apache.samza.storage.blobstore.index.SnapshotMetadata) BlobStoreUtil(org.apache.samza.storage.blobstore.util.BlobStoreUtil) Mockito.anyString(org.mockito.Mockito.anyString) TaskMode(org.apache.samza.job.model.TaskMode) TaskName(org.apache.samza.container.TaskName) SnapshotMetadata(org.apache.samza.storage.blobstore.index.SnapshotMetadata) CheckpointId(org.apache.samza.checkpoint.CheckpointId) DirIndex(org.apache.samza.storage.blobstore.index.DirIndex) MetricsRegistryMap(org.apache.samza.metrics.MetricsRegistryMap) File(java.io.File) DirDiffUtil(org.apache.samza.storage.blobstore.util.DirDiffUtil) Pair(org.apache.commons.lang3.tuple.Pair) Test(org.junit.Test)

Example 7 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex 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());
}
Also used : Path(java.nio.file.Path) SnapshotIndex(org.apache.samza.storage.blobstore.index.SnapshotIndex) StorageConfig(org.apache.samza.config.StorageConfig) StorageManagerUtil(org.apache.samza.storage.StorageManagerUtil) BlobStoreRestoreManagerMetrics(org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics) SnapshotMetadata(org.apache.samza.storage.blobstore.index.SnapshotMetadata) BlobStoreUtil(org.apache.samza.storage.blobstore.util.BlobStoreUtil) Mockito.anyString(org.mockito.Mockito.anyString) TaskName(org.apache.samza.container.TaskName) SnapshotMetadata(org.apache.samza.storage.blobstore.index.SnapshotMetadata) CheckpointId(org.apache.samza.checkpoint.CheckpointId) DirIndex(org.apache.samza.storage.blobstore.index.DirIndex) MetricsRegistryMap(org.apache.samza.metrics.MetricsRegistryMap) File(java.io.File) DirDiffUtil(org.apache.samza.storage.blobstore.util.DirDiffUtil) Pair(org.apache.commons.lang3.tuple.Pair) Test(org.junit.Test)

Example 8 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex 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);
}
Also used : Path(java.nio.file.Path) StorageConfig(org.apache.samza.config.StorageConfig) Mockito.anyString(org.mockito.Mockito.anyString) DirIndex(org.apache.samza.storage.blobstore.index.DirIndex) DirDiffUtil(org.apache.samza.storage.blobstore.util.DirDiffUtil) Test(org.junit.Test)

Example 9 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex 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);
}
Also used : Path(java.nio.file.Path) StorageConfig(org.apache.samza.config.StorageConfig) Mockito.anyString(org.mockito.Mockito.anyString) DirIndex(org.apache.samza.storage.blobstore.index.DirIndex) DirDiffUtil(org.apache.samza.storage.blobstore.util.DirDiffUtil) Test(org.junit.Test)

Example 10 with DirIndex

use of org.apache.samza.storage.blobstore.index.DirIndex 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));
}
Also used : Path(java.nio.file.Path) SnapshotIndex(org.apache.samza.storage.blobstore.index.SnapshotIndex) StorageConfig(org.apache.samza.config.StorageConfig) StorageManagerUtil(org.apache.samza.storage.StorageManagerUtil) BlobStoreRestoreManagerMetrics(org.apache.samza.storage.blobstore.metrics.BlobStoreRestoreManagerMetrics) SnapshotMetadata(org.apache.samza.storage.blobstore.index.SnapshotMetadata) BlobStoreUtil(org.apache.samza.storage.blobstore.util.BlobStoreUtil) Mockito.anyString(org.mockito.Mockito.anyString) TaskName(org.apache.samza.container.TaskName) SnapshotMetadata(org.apache.samza.storage.blobstore.index.SnapshotMetadata) CheckpointId(org.apache.samza.checkpoint.CheckpointId) DirIndex(org.apache.samza.storage.blobstore.index.DirIndex) MetricsRegistryMap(org.apache.samza.metrics.MetricsRegistryMap) File(java.io.File) DirDiffUtil(org.apache.samza.storage.blobstore.util.DirDiffUtil) Pair(org.apache.commons.lang3.tuple.Pair) Test(org.junit.Test)

Aggregations

DirIndex (org.apache.samza.storage.blobstore.index.DirIndex)39 Path (java.nio.file.Path)29 SnapshotMetadata (org.apache.samza.storage.blobstore.index.SnapshotMetadata)27 Test (org.junit.Test)26 File (java.io.File)25 SnapshotIndex (org.apache.samza.storage.blobstore.index.SnapshotIndex)25 ArrayList (java.util.ArrayList)23 Pair (org.apache.commons.lang3.tuple.Pair)23 CompletableFuture (java.util.concurrent.CompletableFuture)21 CompletionStage (java.util.concurrent.CompletionStage)20 CheckpointId (org.apache.samza.checkpoint.CheckpointId)20 SamzaException (org.apache.samza.SamzaException)19 DirDiff (org.apache.samza.storage.blobstore.diff.DirDiff)19 IOException (java.io.IOException)18 HashMap (java.util.HashMap)18 Checkpoint (org.apache.samza.checkpoint.Checkpoint)17 Files (java.nio.file.Files)16 List (java.util.List)16 Map (java.util.Map)16 Optional (java.util.Optional)16