Examples with ActorRef akka.actor.ActorRef used on opensource projects

Example 56 with ActorRef

use of akka.actor.ActorRef in project flink by apache.

the class TaskManagerTest method testRunJobWithForwardChannel.

@Test
public void testRunJobWithForwardChannel() {
    new JavaTestKit(system) {

        {
            ActorGateway jobManager = null;
            ActorGateway taskManager = null;
            final ActorGateway testActorGateway = new AkkaActorGateway(getTestActor(), leaderSessionID);
            try {
                final JobID jid = new JobID();
                JobVertexID vid1 = new JobVertexID();
                JobVertexID vid2 = new JobVertexID();
                final ExecutionAttemptID eid1 = new ExecutionAttemptID();
                final ExecutionAttemptID eid2 = new ExecutionAttemptID();
                ActorRef jm = system.actorOf(Props.create(new SimpleLookupJobManagerCreator(leaderSessionID)));
                jobManager = new AkkaActorGateway(jm, leaderSessionID);
                taskManager = TestingUtils.createTaskManager(system, jobManager, new Configuration(), true, true);
                final ActorGateway tm = taskManager;
                IntermediateResultPartitionID partitionId = new IntermediateResultPartitionID();
                List<ResultPartitionDeploymentDescriptor> irpdd = new ArrayList<ResultPartitionDeploymentDescriptor>();
                irpdd.add(new ResultPartitionDeploymentDescriptor(new IntermediateDataSetID(), partitionId, ResultPartitionType.PIPELINED, 1, 1, true));
                InputGateDeploymentDescriptor ircdd = new InputGateDeploymentDescriptor(new IntermediateDataSetID(), ResultPartitionType.PIPELINED, 0, new InputChannelDeploymentDescriptor[] { new InputChannelDeploymentDescriptor(new ResultPartitionID(partitionId, eid1), ResultPartitionLocation.createLocal()) });
                final TaskDeploymentDescriptor tdd1 = createTaskDeploymentDescriptor(jid, "TestJob", vid1, eid1, new SerializedValue<>(new ExecutionConfig()), "Sender", 1, 0, 1, 0, new Configuration(), new Configuration(), Tasks.Sender.class.getName(), irpdd, Collections.<InputGateDeploymentDescriptor>emptyList(), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                final TaskDeploymentDescriptor tdd2 = createTaskDeploymentDescriptor(jid, "TestJob", vid2, eid2, new SerializedValue<>(new ExecutionConfig()), "Receiver", 7, 2, 7, 0, new Configuration(), new Configuration(), Tasks.Receiver.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.singletonList(ircdd), new ArrayList<BlobKey>(), Collections.<URL>emptyList(), 0);
                new Within(d) {

                    @Override
                    protected void run() {
                        try {
                            Future<Object> t1Running = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskIsRunning(eid1), timeout);
                            Future<Object> t2Running = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskIsRunning(eid2), timeout);
                            // submit the sender task
                            tm.tell(new SubmitTask(tdd1), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            // wait until the sender task is running
                            Await.ready(t1Running, d);
                            // only now (after the sender is running), submit the receiver task
                            tm.tell(new SubmitTask(tdd2), testActorGateway);
                            expectMsgEquals(Acknowledge.get());
                            // wait until the receiver task is running
                            Await.ready(t2Running, d);
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            Map<ExecutionAttemptID, Task> tasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            Task t1 = tasks.get(eid1);
                            Task t2 = tasks.get(eid2);
                            // we get to the check, so we need to guard the check
                            if (t1 != null) {
                                Future<Object> response = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskRemoved(eid1), timeout);
                                Await.ready(response, d);
                            }
                            if (t2 != null) {
                                Future<Object> response = tm.ask(new TestingTaskManagerMessages.NotifyWhenTaskRemoved(eid2), timeout);
                                Await.ready(response, d);
                                assertEquals(ExecutionState.FINISHED, t2.getExecutionState());
                            }
                            tm.tell(TestingTaskManagerMessages.getRequestRunningTasksMessage(), testActorGateway);
                            tasks = expectMsgClass(TestingTaskManagerMessages.ResponseRunningTasks.class).asJava();
                            assertEquals(0, tasks.size());
                        } catch (Exception e) {
                            e.printStackTrace();
                            fail(e.getMessage());
                        }
                    }
                };
            } catch (Exception e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                // shut down the actors
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 57 with ActorRef

use of akka.actor.ActorRef in project flink by apache.

the class TaskManagerComponentsStartupShutdownTest method testComponentsStartupShutdown.

/**
	 * Makes sure that all components are shut down when the TaskManager
	 * actor is shut down.
	 */
@Test
public void testComponentsStartupShutdown() {
    final String[] TMP_DIR = new String[] { ConfigConstants.DEFAULT_TASK_MANAGER_TMP_PATH };
    final Time timeout = Time.seconds(100);
    final int BUFFER_SIZE = 32 * 1024;
    Configuration config = new Configuration();
    config.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_INTERVAL, "200 ms");
    config.setString(ConfigConstants.AKKA_WATCH_HEARTBEAT_PAUSE, "1 s");
    config.setInteger(ConfigConstants.AKKA_WATCH_THRESHOLD, 1);
    ActorSystem actorSystem = null;
    try {
        actorSystem = AkkaUtils.createLocalActorSystem(config);
        final ActorRef jobManager = JobManager.startJobManagerActors(config, actorSystem, TestingUtils.defaultExecutor(), TestingUtils.defaultExecutor(), JobManager.class, MemoryArchivist.class)._1();
        FlinkResourceManager.startResourceManagerActors(config, actorSystem, LeaderRetrievalUtils.createLeaderRetrievalService(config, jobManager), StandaloneResourceManager.class);
        final int numberOfSlots = 1;
        // create the components for the TaskManager manually
        final TaskManagerConfiguration tmConfig = new TaskManagerConfiguration(numberOfSlots, TMP_DIR, timeout, null, Time.milliseconds(500), Time.seconds(30), Time.seconds(10), // cleanup interval
        1000000, config, // exit-jvm-on-fatal-error
        false);
        final NetworkEnvironmentConfiguration netConf = new NetworkEnvironmentConfiguration(32, BUFFER_SIZE, MemoryType.HEAP, IOManager.IOMode.SYNC, 0, 0, 2, 8, null);
        ResourceID taskManagerId = ResourceID.generate();
        final TaskManagerLocation connectionInfo = new TaskManagerLocation(taskManagerId, InetAddress.getLocalHost(), 10000);
        final MemoryManager memManager = new MemoryManager(32 * BUFFER_SIZE, 1, BUFFER_SIZE, MemoryType.HEAP, false);
        final IOManager ioManager = new IOManagerAsync(TMP_DIR);
        final NetworkEnvironment network = new NetworkEnvironment(new NetworkBufferPool(netConf.numNetworkBuffers(), netConf.networkBufferSize(), netConf.memoryType()), new LocalConnectionManager(), new ResultPartitionManager(), new TaskEventDispatcher(), new KvStateRegistry(), null, netConf.ioMode(), netConf.partitionRequestInitialBackoff(), netConf.partitionRequestMaxBackoff(), netConf.networkBuffersPerChannel(), netConf.extraNetworkBuffersPerGate());
        network.start();
        LeaderRetrievalService leaderRetrievalService = new StandaloneLeaderRetrievalService(jobManager.path().toString());
        MetricRegistryConfiguration metricRegistryConfiguration = MetricRegistryConfiguration.fromConfiguration(config);
        // create the task manager
        final Props tmProps = Props.create(TaskManager.class, tmConfig, taskManagerId, connectionInfo, memManager, ioManager, network, numberOfSlots, leaderRetrievalService, new MetricRegistry(metricRegistryConfiguration));
        final ActorRef taskManager = actorSystem.actorOf(tmProps);
        new JavaTestKit(actorSystem) {

            {
                // wait for the TaskManager to be registered
                new Within(new FiniteDuration(5000, TimeUnit.SECONDS)) {

                    @Override
                    protected void run() {
                        taskManager.tell(TaskManagerMessages.getNotifyWhenRegisteredAtJobManagerMessage(), getTestActor());
                        expectMsgEquals(TaskManagerMessages.getRegisteredAtJobManagerMessage());
                    }
                };
            }
        };
        // shut down all actors and the actor system
        // Kill the Task down the JobManager
        taskManager.tell(Kill.getInstance(), ActorRef.noSender());
        jobManager.tell(Kill.getInstance(), ActorRef.noSender());
        // shut down the actors and the actor system
        actorSystem.shutdown();
        actorSystem.awaitTermination();
        actorSystem = null;
        // now that the TaskManager is shut down, the components should be shut down as well
        assertTrue(network.isShutdown());
        assertTrue(ioManager.isProperlyShutDown());
        assertTrue(memManager.isShutdown());
    } catch (Exception e) {
        e.printStackTrace();
        fail(e.getMessage());
    } finally {
        if (actorSystem != null) {
            actorSystem.shutdown();
        }
    }
}

Example 58 with ActorRef

use of akka.actor.ActorRef in project flink by apache.

the class TaskManagerRegistrationTest method testCheckForValidRegistrationSessionIDs.

@Test
public void testCheckForValidRegistrationSessionIDs() {
    new JavaTestKit(actorSystem) {

        {
            ActorGateway taskManagerGateway = null;
            try {
                // we make the test actor (the test kit) the JobManager to intercept
                // the messages
                taskManagerGateway = createTaskManager(actorSystem, getTestActor(), config, true, false);
                final ActorRef taskManager = taskManagerGateway.actor();
                final UUID falseLeaderSessionID = UUID.randomUUID();
                final UUID trueLeaderSessionID = null;
                new Within(timeout) {

                    @Override
                    protected void run() {
                        taskManager.tell(TaskManagerMessages.getNotifyWhenRegisteredAtJobManagerMessage(), getTestActor());
                        // the TaskManager should try to register
                        LeaderSessionMessage lsm = expectMsgClass(LeaderSessionMessage.class);
                        assertTrue(lsm.leaderSessionID() == trueLeaderSessionID);
                        assertTrue(lsm.message() instanceof RegisterTaskManager);
                        final ActorRef tm = getLastSender();
                        // This AcknowledgeRegistration message should be discarded because the
                        // registration session ID is wrong
                        tm.tell(new LeaderSessionMessage(falseLeaderSessionID, new AcknowledgeRegistration(new InstanceID(), 1)), getTestActor());
                        // Valid AcknowledgeRegistration message
                        tm.tell(new LeaderSessionMessage(trueLeaderSessionID, new AcknowledgeRegistration(new InstanceID(), 1)), getTestActor());
                        Object message = null;
                        Object confirmMessageClass = TaskManagerMessages.getRegisteredAtJobManagerMessage().getClass();
                        while (message == null || !(message.getClass().equals(confirmMessageClass))) {
                            message = receiveOne(TestingUtils.TESTING_DURATION());
                        }
                        tm.tell(JobManagerMessages.getRequestLeaderSessionID(), getTestActor());
                        expectMsgEquals(new JobManagerMessages.ResponseLeaderSessionID(trueLeaderSessionID));
                    }
                };
            } catch (Throwable e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                stopActor(taskManagerGateway);
            }
        }
    };
}

Example 59 with ActorRef

use of akka.actor.ActorRef in project flink by apache.

the class TaskManagerTest method testLocalPartitionNotFound.

/**
	 *  Tests that repeated local {@link PartitionNotFoundException}s ultimately fail the receiver.
	 */
@Test
public void testLocalPartitionNotFound() throws Exception {
    new JavaTestKit(system) {

        {
            ActorGateway jobManager = null;
            ActorGateway taskManager = null;
            final ActorGateway testActorGateway = new AkkaActorGateway(getTestActor(), leaderSessionID);
            try {
                final IntermediateDataSetID resultId = new IntermediateDataSetID();
                // Create the JM
                ActorRef jm = system.actorOf(Props.create(new SimplePartitionStateLookupJobManagerCreator(leaderSessionID, getTestActor())));
                jobManager = new AkkaActorGateway(jm, leaderSessionID);
                final Configuration config = new Configuration();
                config.setInteger(TaskManagerOptions.NETWORK_REQUEST_BACKOFF_INITIAL, 100);
                config.setInteger(TaskManagerOptions.NETWORK_REQUEST_BACKOFF_MAX, 200);
                taskManager = TestingUtils.createTaskManager(system, jobManager, config, true, true);
                // ---------------------------------------------------------------------------------
                final ActorGateway tm = taskManager;
                final JobID jid = new JobID();
                final JobVertexID vid = new JobVertexID();
                final ExecutionAttemptID eid = new ExecutionAttemptID();
                final ResultPartitionID partitionId = new ResultPartitionID();
                // Local location (on the same TM though) for the partition
                final ResultPartitionLocation loc = ResultPartitionLocation.createLocal();
                final InputChannelDeploymentDescriptor[] icdd = new InputChannelDeploymentDescriptor[] { new InputChannelDeploymentDescriptor(partitionId, loc) };
                final InputGateDeploymentDescriptor igdd = new InputGateDeploymentDescriptor(resultId, ResultPartitionType.PIPELINED, 0, icdd);
                final TaskDeploymentDescriptor tdd = createTaskDeploymentDescriptor(jid, "TestJob", vid, eid, new SerializedValue<>(new ExecutionConfig()), "Receiver", 1, 0, 1, 0, new Configuration(), new Configuration(), Tasks.AgnosticReceiver.class.getName(), Collections.<ResultPartitionDeploymentDescriptor>emptyList(), Collections.singletonList(igdd), Collections.<BlobKey>emptyList(), Collections.<URL>emptyList(), 0);
                new Within(new FiniteDuration(120, TimeUnit.SECONDS)) {

                    @Override
                    protected void run() {
                        // Submit the task
                        tm.tell(new SubmitTask(tdd), testActorGateway);
                        expectMsgClass(Acknowledge.get().getClass());
                        // Wait to be notified about the final execution state by the mock JM
                        TaskExecutionState msg = expectMsgClass(TaskExecutionState.class);
                        // The task should fail after repeated requests
                        assertEquals(msg.getExecutionState(), ExecutionState.FAILED);
                        Throwable error = msg.getError(getClass().getClassLoader());
                        if (error.getClass() != PartitionNotFoundException.class) {
                            error.printStackTrace();
                            fail("Wrong exception: " + error.getMessage());
                        }
                    }
                };
            } catch (Exception e) {
                e.printStackTrace();
                fail(e.getMessage());
            } finally {
                TestingUtils.stopActor(taskManager);
                TestingUtils.stopActor(jobManager);
            }
        }
    };
}

Example 60 with ActorRef

use of akka.actor.ActorRef in project flink by apache.

the class TestBaseUtils method stopCluster.

public static void stopCluster(LocalFlinkMiniCluster executor, FiniteDuration timeout) throws Exception {
    if (logDir != null) {
        FileUtils.deleteDirectory(logDir);
    }
    if (executor != null) {
        int numUnreleasedBCVars = 0;
        int numActiveConnections = 0;
        if (executor.running()) {
            List<ActorRef> tms = executor.getTaskManagersAsJava();
            List<Future<Object>> bcVariableManagerResponseFutures = new ArrayList<>();
            List<Future<Object>> numActiveConnectionsResponseFutures = new ArrayList<>();
            for (ActorRef tm : tms) {
                bcVariableManagerResponseFutures.add(Patterns.ask(tm, TaskManagerMessages.getRequestBroadcastVariablesWithReferences(), new Timeout(timeout)));
                numActiveConnectionsResponseFutures.add(Patterns.ask(tm, TaskManagerMessages.getRequestNumActiveConnections(), new Timeout(timeout)));
            }
            Future<Iterable<Object>> bcVariableManagerFutureResponses = Futures.sequence(bcVariableManagerResponseFutures, defaultExecutionContext());
            Iterable<Object> responses = Await.result(bcVariableManagerFutureResponses, timeout);
            for (Object response : responses) {
                numUnreleasedBCVars += ((TaskManagerMessages.ResponseBroadcastVariablesWithReferences) response).number();
            }
            Future<Iterable<Object>> numActiveConnectionsFutureResponses = Futures.sequence(numActiveConnectionsResponseFutures, defaultExecutionContext());
            responses = Await.result(numActiveConnectionsFutureResponses, timeout);
            for (Object response : responses) {
                numActiveConnections += ((TaskManagerMessages.ResponseNumActiveConnections) response).number();
            }
        }
        executor.stop();
        FileSystem.closeAll();
        System.gc();
        Assert.assertEquals("Not all broadcast variables were released.", 0, numUnreleasedBCVars);
        Assert.assertEquals("Not all TCP connections were released.", 0, numActiveConnections);
    }
}