Examples with UploadTracker com.instaclustr.esop.impl.backup.UploadTracker used on opensource projects

Example 1 with UploadTracker

use of com.instaclustr.esop.impl.backup.UploadTracker in project esop by instaclustr.

the class LocalBackupTest method testUploadTracker.

@Test
public void testUploadTracker() throws Exception {
    final String snapshotName = UUID.randomUUID().toString();
    final String snapshotName2 = UUID.randomUUID().toString();
    List<Path> dataDirs = Arrays.asList(cassandraDir.toAbsolutePath().resolve("data").resolve("data"), cassandraDir.toAbsolutePath().resolve("data").resolve("data2"), cassandraDir.toAbsolutePath().resolve("data").resolve("data3"));
    final BackupOperationRequest backupOperationRequest = getBackupOperationRequestForTracker(snapshotName, "test,test2", dataDirs);
    final BackupOperationRequest backupOperationRequest2 = getBackupOperationRequestForTracker(snapshotName2, "test", dataDirs);
    UploadTracker uploadTracker = null;
    Cassandra cassandra = null;
    try {
        cassandra = getCassandra(cassandraDir, CASSANDRA_VERSION);
        cassandra.start();
        try (CqlSession session = CqlSession.builder().build()) {
            assertEquals(populateDatabase(session).size(), NUMBER_OF_INSERTED_ROWS);
        }
        final AtomicBoolean wait = new AtomicBoolean(true);
        final ListeningExecutorService finisher = new Executors.FixedTasksExecutorSupplier().get(10);
        uploadTracker = new UploadTracker(finisher, operationsService, new HashSpec()) {

            // override for testing purposes
            @Override
            public UploadUnit constructUnitToSubmit(final Backuper backuper, final ManifestEntry manifestEntry, final AtomicBoolean shouldCancel, final String snapshotTag, final HashSpec hashSpec) {
                return new TestingUploadUnit(wait, backuper, manifestEntry, shouldCancel, snapshotTag, hashSpec);
            }
        };
        final LocalFileBackuper backuper = new LocalFileBackuper(backupOperationRequest);
        new TakeSnapshotOperation(jmxService, new TakeSnapshotOperationRequest(backupOperationRequest.entities, backupOperationRequest.snapshotTag), cassandraVersionProvider).run();
        new TakeSnapshotOperation(jmxService, new TakeSnapshotOperationRequest(backupOperationRequest2.entities, backupOperationRequest2.snapshotTag), cassandraVersionProvider).run();
        final Snapshots snapshots = Snapshots.parse(dataDirs);
        final Optional<Snapshot> snapshot = snapshots.get(backupOperationRequest.snapshotTag);
        final Optional<Snapshot> snapshot2 = snapshots.get(backupOperationRequest2.snapshotTag);
        assert snapshot.isPresent();
        assert snapshot2.isPresent();
        Set<String> providers = Stream.of("file").collect(Collectors.toSet());
        final BackupOperation backupOperation = new BackupOperation(operationCoordinator, providers, backupOperationRequest);
        final BackupOperation backupOperation2 = new BackupOperation(operationCoordinator, providers, backupOperationRequest2);
        final List<ManifestEntry> manifestEntries = Manifest.from(snapshot.get()).getManifestEntries();
        final List<ManifestEntry> manifestEntries2 = Manifest.from(snapshot2.get()).getManifestEntries();
        Session<UploadUnit> session = uploadTracker.submit(backuper, backupOperation, manifestEntries, backupOperation.request.snapshotTag, backupOperation.request.concurrentConnections);
        final int submittedUnits1 = uploadTracker.submittedUnits.intValue();
        Assert.assertEquals(manifestEntries.size(), submittedUnits1);
        final Session<UploadUnit> session2 = uploadTracker.submit(backuper, backupOperation2, manifestEntries2, backupOperation.request.snapshotTag, backupOperation.request.concurrentConnections);
        final int submittedUnits2 = uploadTracker.submittedUnits.intValue();
        // even we submitted the second session, it does not change the number of units because session2
        // wants to upload "test" but it is already going to be uploaded by session1
        // we have effectively submitted only what should be submitted, no duplicates
        // so it is as if "test" from session2 was not submitted at all
        Assert.assertEquals(submittedUnits1, submittedUnits2);
        Assert.assertEquals(manifestEntries.size(), uploadTracker.submittedUnits.intValue());
        // however we have submitted two sessions in total
        Assert.assertEquals(2, uploadTracker.submittedSessions.intValue());
        // lets upload it now
        wait.set(false);
        session.waitUntilConsideredFinished();
        session2.waitUntilConsideredFinished();
        Assert.assertTrue(session.isConsideredFinished());
        Assert.assertTrue(session.isSuccessful());
        Assert.assertTrue(session.getFailedUnits().isEmpty());
        Assert.assertEquals(uploadTracker.submittedUnits.intValue(), session.getUnits().size());
        Assert.assertTrue(session2.isConsideredFinished());
        Assert.assertTrue(session2.isSuccessful());
        Assert.assertTrue(session2.getFailedUnits().isEmpty());
        Assert.assertTrue(submittedUnits2 > session2.getUnits().size());
        for (final UploadUnit uploadUnit : session2.getUnits()) {
            Assert.assertTrue(session.getUnits().contains(uploadUnit));
        }
        Assert.assertTrue(uploadTracker.getUnits().isEmpty());
        uploadTracker.removeSession(session);
        uploadTracker.removeSession(session2);
        Assert.assertTrue(session.getUnits().isEmpty());
        Assert.assertTrue(session2.getUnits().isEmpty());
    } catch (final Exception ex) {
        ex.printStackTrace();
        throw ex;
    } finally {
        new ClearSnapshotOperation(jmxService, new ClearSnapshotOperationRequest(backupOperationRequest.snapshotTag)).run();
        if (cassandra != null) {
            cassandra.stop();
        }
        uploadTracker.stopAsync();
        uploadTracker.awaitTerminated(1, MINUTES);
        uploadTracker.stopAsync();
        uploadTracker.awaitTerminated(1, MINUTES);
        FileUtils.deleteDirectory(Paths.get(target(backupOperationRequest.storageLocation.bucket)));
    }
}