Examples with VersionedTransactionData io.pravega.controller.store.stream.VersionedTransactionData used on opensource projects

Example 21 with VersionedTransactionData

use of io.pravega.controller.store.stream.VersionedTransactionData in project pravega by pravega.

the class StreamTransactionMetadataTasksTest method txnCreationTest.

@Test(timeout = 10000)
public void txnCreationTest() {
    // Create mock writer objects.
    EventStreamWriterMock<CommitEvent> commitWriter = new EventStreamWriterMock<>();
    EventStreamWriterMock<AbortEvent> abortWriter = new EventStreamWriterMock<>();
    StreamMetadataStore streamStoreMock = spy(StreamStoreFactory.createZKStore(zkClient, executor));
    // Create transaction tasks.
    txnTasks = new StreamTransactionMetadataTasks(streamStoreMock, SegmentHelperMock.getSegmentHelperMock(), executor, "host", new GrpcAuthHelper(this.authEnabled, "secret", 600));
    txnTasks.initializeStreamWriters(commitWriter, abortWriter);
    final ScalingPolicy policy1 = ScalingPolicy.fixed(2);
    final StreamConfiguration configuration1 = StreamConfiguration.builder().scalingPolicy(policy1).build();
    // Create stream and scope
    streamStoreMock.createScope(SCOPE, null, executor).join();
    streamStoreMock.createStream(SCOPE, STREAM, configuration1, System.currentTimeMillis(), null, executor).join();
    streamStoreMock.setState(SCOPE, STREAM, State.ACTIVE, null, executor).join();
    // mock streamMetadataStore.generateTxnId should throw excecption first time.
    // Note: it should be retried.
    // now the id should have been generated
    doAnswer(new Answer<CompletableFuture<UUID>>() {

        AtomicInteger count = new AtomicInteger(0);

        @Override
        public CompletableFuture<UUID> answer(InvocationOnMock invocation) throws Throwable {
            // first time throw exception.
            if (count.getAndIncrement() == 0) {
                return Futures.failedFuture(StoreException.create(StoreException.Type.WRITE_CONFLICT, "write conflict on counter update"));
            }
            // subsequent times call origin method
            @SuppressWarnings("unchecked") CompletableFuture<UUID> future = (CompletableFuture<UUID>) invocation.callRealMethod();
            return future;
        }
    }).when(streamStoreMock).generateTransactionId(eq(SCOPE), eq(STREAM), any(), any());
    doAnswer(new Answer<CompletableFuture<VersionedTransactionData>>() {

        AtomicInteger count = new AtomicInteger(0);

        @Override
        public CompletableFuture<VersionedTransactionData> answer(InvocationOnMock invocation) throws Throwable {
            // first time throw exception.
            if (count.getAndIncrement() == 0) {
                return Futures.failedFuture(StoreException.create(StoreException.Type.DATA_NOT_FOUND, "Epoch not found"));
            }
            // subsequent times call origin method
            @SuppressWarnings("unchecked") CompletableFuture<VersionedTransactionData> future = (CompletableFuture<VersionedTransactionData>) invocation.callRealMethod();
            return future;
        }
    }).when(streamStoreMock).createTransaction(any(), any(), any(), anyLong(), anyLong(), any(), any());
    Pair<VersionedTransactionData, List<StreamSegmentRecord>> txn = txnTasks.createTxn(SCOPE, STREAM, 10000L, 0L, 1024 * 1024L).join();
    // verify that generate transaction id is called 3 times
    verify(streamStoreMock, times(3)).generateTransactionId(any(), any(), any(), any());
    // verify that create transaction is called 2 times
    verify(streamStoreMock, times(2)).createTransaction(any(), any(), any(), anyLong(), anyLong(), any(), any());
    // verify that the txn id that is generated is of type ""
    UUID txnId = txn.getKey().getId();
    assertEquals(0, (int) (txnId.getMostSignificantBits() >> 32));
    assertEquals(2, txnId.getLeastSignificantBits());
}

Example 22 with VersionedTransactionData

use of io.pravega.controller.store.stream.VersionedTransactionData in project pravega by pravega.

the class TimeoutServiceTest method testPingSuccess.

@Test(timeout = 10000)
public void testPingSuccess() throws InterruptedException {
    UUID txnId = streamStore.generateTransactionId(SCOPE, STREAM, null, executor).join();
    VersionedTransactionData txData = streamStore.createTransaction(SCOPE, STREAM, txnId, LEASE, 10 * LEASE, null, executor).join();
    timeoutService.addTxn(SCOPE, STREAM, txData.getId(), txData.getVersion(), LEASE, txData.getMaxExecutionExpiryTime());
    Optional<Throwable> result = timeoutService.getTaskCompletionQueue().poll((long) (0.75 * LEASE), TimeUnit.MILLISECONDS);
    Assert.assertNull(result);
    TxnStatus status = streamStore.transactionStatus(SCOPE, STREAM, txData.getId(), null, executor).join();
    Assert.assertEquals(TxnStatus.OPEN, status);
    PingTxnStatus pingStatus = timeoutService.pingTxn(SCOPE, STREAM, txData.getId(), txData.getVersion(), LEASE);
    Assert.assertEquals(PingTxnStatus.Status.OK, pingStatus.getStatus());
    result = timeoutService.getTaskCompletionQueue().poll((long) (0.5 * LEASE), TimeUnit.MILLISECONDS);
    Assert.assertNull(result);
    status = streamStore.transactionStatus(SCOPE, STREAM, txData.getId(), null, executor).join();
    Assert.assertEquals(TxnStatus.OPEN, status);
    result = timeoutService.getTaskCompletionQueue().poll((long) (0.8 * LEASE), TimeUnit.MILLISECONDS);
    Assert.assertNotNull(result);
    status = streamStore.transactionStatus(SCOPE, STREAM, txData.getId(), null, executor).join();
    Assert.assertEquals(TxnStatus.ABORTING, status);
}

Example 23 with VersionedTransactionData

use of io.pravega.controller.store.stream.VersionedTransactionData in project pravega by pravega.

the class TimeoutServiceTest method testPingFailureMaxExecutionTimeExceeded.

@Test(timeout = 10000)
public void testPingFailureMaxExecutionTimeExceeded() throws InterruptedException {
    UUID txnId = streamStore.generateTransactionId(SCOPE, STREAM, null, executor).join();
    VersionedTransactionData txData = streamStore.createTransaction(SCOPE, STREAM, txnId, LEASE, 2 * LEASE, null, executor).join();
    timeoutService.addTxn(SCOPE, STREAM, txData.getId(), txData.getVersion(), LEASE, txData.getMaxExecutionExpiryTime());
    TxnStatus status = streamStore.transactionStatus(SCOPE, STREAM, txData.getId(), null, executor).join();
    Assert.assertEquals(TxnStatus.OPEN, status);
    // 3 * LEASE > 2 * LEASE
    PingTxnStatus pingStatus = timeoutService.pingTxn(SCOPE, STREAM, txData.getId(), txData.getVersion(), 3 * LEASE);
    Assert.assertEquals(PingTxnStatus.Status.MAX_EXECUTION_TIME_EXCEEDED, pingStatus.getStatus());
    status = streamStore.transactionStatus(SCOPE, STREAM, txData.getId(), null, executor).join();
    Assert.assertEquals(TxnStatus.OPEN, status);
}

Example 24 with VersionedTransactionData

use of io.pravega.controller.store.stream.VersionedTransactionData in project pravega by pravega.

the class TimeoutServiceTest method testTimeout.

@Test(timeout = 10000)
public void testTimeout() throws InterruptedException {
    UUID txnId = streamStore.generateTransactionId(SCOPE, STREAM, null, executor).join();
    VersionedTransactionData txData = streamStore.createTransaction(SCOPE, STREAM, txnId, LEASE, 10 * LEASE, null, executor).join();
    long begin = System.currentTimeMillis();
    timeoutService.addTxn(SCOPE, STREAM, txData.getId(), txData.getVersion(), LEASE, txData.getMaxExecutionExpiryTime());
    Optional<Throwable> result = timeoutService.getTaskCompletionQueue().poll((long) (1.3 * LEASE), TimeUnit.MILLISECONDS);
    long end = System.currentTimeMillis();
    Assert.assertNotNull(result);
    log.info("Delay until timeout = " + (end - begin));
    Assert.assertTrue((end - begin) >= LEASE);
    TxnStatus status = streamStore.transactionStatus(SCOPE, STREAM, txData.getId(), null, executor).join();
    Assert.assertEquals(TxnStatus.ABORTING, status);
}

Example 25 with VersionedTransactionData

use of io.pravega.controller.store.stream.VersionedTransactionData in project pravega by pravega.

the class TimeoutServiceTest method testPingOwnershipTransfer.

@Test(timeout = 30000)
public void testPingOwnershipTransfer() throws Exception {
    StreamMetadataStore streamStore2 = getStore();
    HostControllerStore hostStore = HostStoreFactory.createInMemoryStore(HostMonitorConfigImpl.dummyConfig());
    BucketStore bucketStore = StreamStoreFactory.createInMemoryBucketStore();
    TaskMetadataStore taskMetadataStore = TaskStoreFactory.createStore(PRAVEGA_ZK_CURATOR_RESOURCE.storeClient, executor);
    SegmentHelper helperMock = SegmentHelperMock.getSegmentHelperMock();
    @Cleanup StreamMetadataTasks streamMetadataTasks2 = new StreamMetadataTasks(streamStore2, bucketStore, taskMetadataStore, helperMock, executor, "2", GrpcAuthHelper.getDisabledAuthHelper());
    @Cleanup StreamTransactionMetadataTasks streamTransactionMetadataTasks2 = new StreamTransactionMetadataTasks(streamStore2, helperMock, executor, "2", TimeoutServiceConfig.defaultConfig(), new LinkedBlockingQueue<>(5), GrpcAuthHelper.getDisabledAuthHelper());
    streamTransactionMetadataTasks2.initializeStreamWriters(new EventStreamWriterMock<>(), new EventStreamWriterMock<>());
    // Create TimeoutService
    TimerWheelTimeoutService timeoutService2 = (TimerWheelTimeoutService) streamTransactionMetadataTasks2.getTimeoutService();
    ControllerService controllerService2 = new ControllerService(kvtStore, kvtMetadataTasks, streamStore2, bucketStore, streamMetadataTasks2, streamTransactionMetadataTasks2, helperMock, executor, null, requestTracker);
    UUID txnId = controllerService.createTransaction(SCOPE, STREAM, LEASE, 9L).thenApply(x -> x.getKey()).join();
    VersionedTransactionData txnData = streamStore.getTransactionData(SCOPE, STREAM, txnId, null, executor).join();
    Assert.assertEquals(txnData.getVersion(), getVersion(0));
    Optional<Throwable> result = timeoutService.getTaskCompletionQueue().poll((long) (0.75 * LEASE), TimeUnit.MILLISECONDS);
    Assert.assertNull(result);
    TxnState txnState = controllerService.checkTransactionStatus(SCOPE, STREAM, txnId, 9L).join();
    Assert.assertEquals(TxnState.State.OPEN, txnState.getState());
    // increasing lease -> total effective lease = 3 * LEASE
    PingTxnStatus pingStatus = controllerService2.pingTransaction(SCOPE, STREAM, txnId, 2 * LEASE, 9L).join();
    Assert.assertEquals(PingTxnStatus.Status.OK, pingStatus.getStatus());
    txnData = streamStore.getTransactionData(SCOPE, STREAM, txnId, null, executor).join();
    Assert.assertEquals(txnData.getVersion(), getVersion(1));
    // timeoutService1 should believe that LEASE has expired and should get non empty completion tasks
    result = timeoutService.getTaskCompletionQueue().poll((long) (1.3 * LEASE + RETRY_DELAY), TimeUnit.MILLISECONDS);
    Assert.assertNotNull(result);
    // the txn may have been attempted to be aborted by timeoutService1 but would have failed. So txn to remain open
    txnState = controllerService.checkTransactionStatus(SCOPE, STREAM, txnId, 9L).join();
    Assert.assertEquals(TxnState.State.OPEN, txnState.getState());
    // timeoutService2 should continue to wait on lease expiry and should get empty completion tasks
    result = timeoutService2.getTaskCompletionQueue().poll(0L, TimeUnit.MILLISECONDS);
    Assert.assertNull(result);
    result = timeoutService2.getTaskCompletionQueue().poll(2 * LEASE + RETRY_DELAY, TimeUnit.MILLISECONDS);
    Assert.assertNotNull(result);
    // now txn should have moved to aborting because timeoutservice2 has initiated abort
    txnState = controllerService.checkTransactionStatus(SCOPE, STREAM, txnId, 9L).join();
    Assert.assertEquals(TxnState.State.ABORTING, txnState.getState());
}