Examples with TestingJobMasterGateway org.apache.flink.runtime.jobmaster.utils.TestingJobMasterGateway used on opensource projects

Example 11 with TestingJobMasterGateway

use of org.apache.flink.runtime.jobmaster.utils.TestingJobMasterGateway in project flink by apache.

the class TaskExecutorRecoveryTest method testRecoveredTaskExecutorWillRestoreAllocationState.

@Test
public void testRecoveredTaskExecutorWillRestoreAllocationState(@TempDir File tempDir) throws Exception {
    final ResourceID resourceId = ResourceID.generate();
    final Configuration configuration = new Configuration();
    configuration.set(TaskManagerOptions.NUM_TASK_SLOTS, 2);
    configuration.set(CheckpointingOptions.LOCAL_RECOVERY, true);
    final TestingResourceManagerGateway testingResourceManagerGateway = new TestingResourceManagerGateway();
    final ArrayBlockingQueue<TaskExecutorSlotReport> queue = new ArrayBlockingQueue<>(2);
    testingResourceManagerGateway.setSendSlotReportFunction(slotReportInformation -> {
        queue.offer(TaskExecutorSlotReport.create(slotReportInformation.f0, slotReportInformation.f2));
        return CompletableFuture.completedFuture(Acknowledge.get());
    });
    final TestingRpcService rpcService = rpcServiceExtension.getTestingRpcService();
    rpcService.registerGateway(testingResourceManagerGateway.getAddress(), testingResourceManagerGateway);
    final JobID jobId = new JobID();
    final TestingHighAvailabilityServices highAvailabilityServices = new TestingHighAvailabilityServices();
    highAvailabilityServices.setResourceManagerLeaderRetriever(new SettableLeaderRetrievalService(testingResourceManagerGateway.getAddress(), testingResourceManagerGateway.getFencingToken().toUUID()));
    final SettableLeaderRetrievalService jobMasterLeaderRetriever = new SettableLeaderRetrievalService();
    highAvailabilityServices.setJobMasterLeaderRetriever(jobId, jobMasterLeaderRetriever);
    final WorkingDirectory workingDirectory = WorkingDirectory.create(tempDir);
    final TaskExecutor taskExecutor = TaskExecutorBuilder.newBuilder(rpcService, highAvailabilityServices, workingDirectory).setConfiguration(configuration).setResourceId(resourceId).build();
    taskExecutor.start();
    final TaskExecutorGateway taskExecutorGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
    final TaskExecutorSlotReport taskExecutorSlotReport = queue.take();
    final SlotReport slotReport = taskExecutorSlotReport.getSlotReport();
    assertThat(slotReport.getNumSlotStatus(), is(2));
    final SlotStatus slotStatus = slotReport.iterator().next();
    final SlotID allocatedSlotID = slotStatus.getSlotID();
    final AllocationID allocationId = new AllocationID();
    taskExecutorGateway.requestSlot(allocatedSlotID, jobId, allocationId, slotStatus.getResourceProfile(), "localhost", testingResourceManagerGateway.getFencingToken(), Time.seconds(10L)).join();
    taskExecutor.close();
    final BlockingQueue<Collection<SlotOffer>> offeredSlots = new ArrayBlockingQueue<>(1);
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        offeredSlots.offer(new HashSet<>(slotOffers));
        return CompletableFuture.completedFuture(slotOffers);
    }).build();
    rpcService.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    jobMasterLeaderRetriever.notifyListener(jobMasterGateway.getAddress(), jobMasterGateway.getFencingToken().toUUID());
    // recover the TaskExecutor
    final TaskExecutor recoveredTaskExecutor = TaskExecutorBuilder.newBuilder(rpcService, highAvailabilityServices, workingDirectory).setConfiguration(configuration).setResourceId(resourceId).build();
    recoveredTaskExecutor.start();
    final TaskExecutorSlotReport recoveredSlotReport = queue.take();
    for (SlotStatus status : recoveredSlotReport.getSlotReport()) {
        if (status.getSlotID().equals(allocatedSlotID)) {
            assertThat(status.getJobID(), is(jobId));
            assertThat(status.getAllocationID(), is(allocationId));
        } else {
            assertThat(status.getJobID(), is(nullValue()));
        }
    }
    final Collection<SlotOffer> take = offeredSlots.take();
    assertThat(take, hasSize(1));
    final SlotOffer offeredSlot = take.iterator().next();
    assertThat(offeredSlot.getAllocationId(), is(allocationId));
}

Example 12 with TestingJobMasterGateway

use of org.apache.flink.runtime.jobmaster.utils.TestingJobMasterGateway in project flink by apache.

the class TaskExecutorSlotLifetimeTest method testUserCodeClassLoaderIsBoundToSlot.

/**
 * Tests that the user code class loader is bound to the lifetime of the slot. This means that
 * it is being reused across a failover, for example. See FLINK-16408.
 */
@Test
public void testUserCodeClassLoaderIsBoundToSlot() throws Exception {
    final Configuration configuration = new Configuration();
    final TestingRpcService rpcService = TESTING_RPC_SERVICE_RESOURCE.getTestingRpcService();
    final TestingResourceManagerGateway resourceManagerGateway = new TestingResourceManagerGateway();
    final CompletableFuture<SlotReport> firstSlotReportFuture = new CompletableFuture<>();
    resourceManagerGateway.setSendSlotReportFunction(resourceIDInstanceIDSlotReportTuple3 -> {
        firstSlotReportFuture.complete(resourceIDInstanceIDSlotReportTuple3.f2);
        return CompletableFuture.completedFuture(Acknowledge.get());
    });
    final BlockingQueue<TaskExecutionState> taskExecutionStates = new ArrayBlockingQueue<>(3);
    final OneShotLatch slotsOfferedLatch = new OneShotLatch();
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        slotsOfferedLatch.trigger();
        return CompletableFuture.completedFuture(slotOffers);
    }).setUpdateTaskExecutionStateFunction(FunctionUtils.uncheckedFunction(taskExecutionState -> {
        taskExecutionStates.put(taskExecutionState);
        return CompletableFuture.completedFuture(Acknowledge.get());
    })).build();
    final LeaderRetrievalService resourceManagerLeaderRetriever = new SettableLeaderRetrievalService(resourceManagerGateway.getAddress(), resourceManagerGateway.getFencingToken().toUUID());
    final LeaderRetrievalService jobMasterLeaderRetriever = new SettableLeaderRetrievalService(jobMasterGateway.getAddress(), jobMasterGateway.getFencingToken().toUUID());
    final TestingHighAvailabilityServices haServices = new TestingHighAvailabilityServicesBuilder().setResourceManagerLeaderRetriever(resourceManagerLeaderRetriever).setJobMasterLeaderRetrieverFunction(ignored -> jobMasterLeaderRetriever).build();
    rpcService.registerGateway(resourceManagerGateway.getAddress(), resourceManagerGateway);
    rpcService.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    final LocalUnresolvedTaskManagerLocation unresolvedTaskManagerLocation = new LocalUnresolvedTaskManagerLocation();
    try (final TaskExecutor taskExecutor = createTaskExecutor(configuration, rpcService, haServices, unresolvedTaskManagerLocation)) {
        taskExecutor.start();
        final SlotReport slotReport = firstSlotReportFuture.join();
        final SlotID firstSlotId = slotReport.iterator().next().getSlotID();
        final TaskExecutorGateway taskExecutorGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
        final JobID jobId = new JobID();
        final AllocationID allocationId = new AllocationID();
        taskExecutorGateway.requestSlot(firstSlotId, jobId, allocationId, ResourceProfile.ZERO, jobMasterGateway.getAddress(), resourceManagerGateway.getFencingToken(), RpcUtils.INF_TIMEOUT).join();
        final TaskDeploymentDescriptor tdd = TaskDeploymentDescriptorBuilder.newBuilder(jobId, UserClassLoaderExtractingInvokable.class).setAllocationId(allocationId).build();
        slotsOfferedLatch.await();
        taskExecutorGateway.submitTask(tdd, jobMasterGateway.getFencingToken(), RpcUtils.INF_TIMEOUT).join();
        final ClassLoader firstClassLoader = UserClassLoaderExtractingInvokable.take();
        // wait for the first task to finish
        TaskExecutionState taskExecutionState;
        do {
            taskExecutionState = taskExecutionStates.take();
        } while (!taskExecutionState.getExecutionState().isTerminal());
        // check that a second task will re-use the same class loader
        taskExecutorGateway.submitTask(tdd, jobMasterGateway.getFencingToken(), RpcUtils.INF_TIMEOUT).join();
        final ClassLoader secondClassLoader = UserClassLoaderExtractingInvokable.take();
        assertThat(firstClassLoader, sameInstance(secondClassLoader));
    }
}

Example 13 with TestingJobMasterGateway

use of org.apache.flink.runtime.jobmaster.utils.TestingJobMasterGateway in project flink by apache.

the class TaskExecutorTest method testFreeingInactiveSlotDoesNotFail.

/**
 * Tests that freeing an inactive slot is a legal operation that does not throw an exception.
 */
@Test
public void testFreeingInactiveSlotDoesNotFail() throws Exception {
    final OneShotLatch taskExecutorIsRegistered = new OneShotLatch();
    final CompletableFuture<Tuple3<InstanceID, SlotID, AllocationID>> availableSlotFuture = new CompletableFuture<>();
    final TestingResourceManagerGateway resourceManagerGateway = createRmWithTmRegisterAndNotifySlotHooks(new InstanceID(), taskExecutorIsRegistered, availableSlotFuture);
    rpc.registerGateway(resourceManagerGateway.getAddress(), resourceManagerGateway);
    final MultiShotLatch offerSlotsLatch = new MultiShotLatch();
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        offerSlotsLatch.trigger();
        return new CompletableFuture<>();
    }).build();
    rpc.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    final TaskSlotTable<Task> taskSlotTable = TaskSlotUtils.createTaskSlotTable(1);
    final TaskExecutorLocalStateStoresManager localStateStoresManager = createTaskExecutorLocalStateStoresManager();
    final TaskManagerServices taskManagerServices = new TaskManagerServicesBuilder().setUnresolvedTaskManagerLocation(unresolvedTaskManagerLocation).setTaskSlotTable(taskSlotTable).setTaskStateManager(localStateStoresManager).build();
    final TestingTaskExecutor taskExecutor = createTestingTaskExecutor(taskManagerServices);
    final ThreadSafeTaskSlotTable<Task> threadSafeTaskSlotTable = new ThreadSafeTaskSlotTable<>(taskSlotTable, taskExecutor.getMainThreadExecutableForTesting());
    try {
        taskExecutor.start();
        taskExecutor.waitUntilStarted();
        final TaskExecutorGateway tmGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
        taskExecutorIsRegistered.await();
        jobManagerLeaderRetriever.notifyListener(jobMasterGateway.getAddress(), jobMasterGateway.getFencingToken().toUUID());
        final AllocationID allocationId = new AllocationID();
        requestSlot(tmGateway, jobId, allocationId, buildSlotID(0), ResourceProfile.UNKNOWN, jobMasterGateway.getAddress(), resourceManagerGateway.getFencingToken());
        offerSlotsLatch.await();
        tmGateway.freeSlot(allocationId, new RuntimeException("test exception"), timeout).get();
        assertThat(availableSlotFuture.get().f2, is(allocationId));
        assertThat(threadSafeTaskSlotTable.getAllocationIdsPerJob(jobId), empty());
    } finally {
        RpcUtils.terminateRpcEndpoint(taskExecutor, timeout);
    }
}

Example 14 with TestingJobMasterGateway

use of org.apache.flink.runtime.jobmaster.utils.TestingJobMasterGateway in project flink by apache.

the class TaskExecutorTest method testDisconnectFromJobMasterWhenNewLeader.

/**
 * Tests that the TaskExecutor disconnects from the JobMaster if a new leader is detected.
 */
@Test
public void testDisconnectFromJobMasterWhenNewLeader() throws Exception {
    final TaskManagerServices taskManagerServices = new TaskManagerServicesBuilder().setTaskSlotTable(TaskSlotUtils.createTaskSlotTable(1)).build();
    final TaskExecutor taskExecutor = createTaskExecutor(taskManagerServices);
    final CompletableFuture<Integer> offeredSlotsFuture = new CompletableFuture<>();
    final CompletableFuture<ResourceID> disconnectFuture = new CompletableFuture<>();
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        offeredSlotsFuture.complete(slotOffers.size());
        return CompletableFuture.completedFuture(slotOffers);
    }).setDisconnectTaskManagerFunction(resourceID -> {
        disconnectFuture.complete(resourceID);
        return CompletableFuture.completedFuture(Acknowledge.get());
    }).build();
    final TestingResourceManagerGateway resourceManagerGateway = new TestingResourceManagerGateway();
    final CompletableFuture<Void> initialSlotReportFuture = new CompletableFuture<>();
    resourceManagerGateway.setSendSlotReportFunction(resourceIDInstanceIDSlotReportTuple3 -> {
        initialSlotReportFuture.complete(null);
        return CompletableFuture.completedFuture(Acknowledge.get());
    });
    rpc.registerGateway(resourceManagerGateway.getAddress(), resourceManagerGateway);
    rpc.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    try {
        taskExecutor.start();
        TaskExecutorGateway taskExecutorGateway = taskExecutor.getSelfGateway(TaskExecutorGateway.class);
        resourceManagerLeaderRetriever.notifyListener(resourceManagerGateway.getAddress(), resourceManagerGateway.getFencingToken().toUUID());
        initialSlotReportFuture.get();
        ResourceID resourceID = taskManagerServices.getUnresolvedTaskManagerLocation().getResourceID();
        requestSlot(taskExecutorGateway, jobId, new AllocationID(), new SlotID(resourceID, 0), ResourceProfile.ZERO, "foobar", resourceManagerGateway.getFencingToken());
        jobManagerLeaderRetriever.notifyListener(jobMasterGateway.getAddress(), UUID.randomUUID());
        assertThat(offeredSlotsFuture.get(), is(1));
        // notify loss of leadership
        jobManagerLeaderRetriever.notifyListener(null, null);
        assertThat(disconnectFuture.get(), is(resourceID));
    } finally {
        RpcUtils.terminateRpcEndpoint(taskExecutor, timeout);
    }
}

Example 15 with TestingJobMasterGateway

use of org.apache.flink.runtime.jobmaster.utils.TestingJobMasterGateway in project flink by apache.

the class TaskExecutorTest method createTaskExecutorTestingContext.

private TaskExecutorTestingContext createTaskExecutorTestingContext(final TaskSlotTable<Task> taskSlotTable) throws IOException {
    final OneShotLatch offerSlotsLatch = new OneShotLatch();
    final TestingJobMasterGateway jobMasterGateway = new TestingJobMasterGatewayBuilder().setOfferSlotsFunction((resourceID, slotOffers) -> {
        offerSlotsLatch.trigger();
        return CompletableFuture.completedFuture(slotOffers);
    }).build();
    rpc.registerGateway(jobMasterGateway.getAddress(), jobMasterGateway);
    final JobLeaderService jobLeaderService = new DefaultJobLeaderService(unresolvedTaskManagerLocation, RetryingRegistrationConfiguration.defaultConfiguration());
    TaskExecutorLocalStateStoresManager stateStoresManager = createTaskExecutorLocalStateStoresManager();
    TaskExecutorStateChangelogStoragesManager changelogStoragesManager = new TaskExecutorStateChangelogStoragesManager();
    TaskManagerMetricGroup metricGroup = TaskManagerMetricGroup.createTaskManagerMetricGroup(NoOpMetricRegistry.INSTANCE, "", ResourceID.generate());
    final TestingTaskExecutor taskExecutor = createTestingTaskExecutor(new TaskManagerServicesBuilder().setTaskSlotTable(taskSlotTable).setJobLeaderService(jobLeaderService).setTaskStateManager(stateStoresManager).setTaskChangelogStoragesManager(changelogStoragesManager).build(), HEARTBEAT_SERVICES, metricGroup);
    jobManagerLeaderRetriever.notifyListener(jobMasterGateway.getAddress(), jobMasterGateway.getFencingToken().toUUID());
    return new TaskExecutorTestingContext(jobMasterGateway, taskSlotTable, taskExecutor, changelogStoragesManager, metricGroup, offerSlotsLatch);
}