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

Example 16 with Props

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

the class JobClientActorTest method testConnectionTimeoutWithoutJobManagerForSubmission.

/** Tests that a {@link org.apache.flink.runtime.client.JobClientActorConnectionTimeoutException}
	 * is thrown when the JobSubmissionClientActor wants to submit a job but has not connected to a JobManager.
	 *
	 * @throws Exception
	 */
@Test(expected = JobClientActorConnectionTimeoutException.class)
public void testConnectionTimeoutWithoutJobManagerForSubmission() throws Exception {
    FiniteDuration jobClientActorTimeout = new FiniteDuration(5, TimeUnit.SECONDS);
    FiniteDuration timeout = jobClientActorTimeout.$times(2);
    TestingLeaderRetrievalService testingLeaderRetrievalService = new TestingLeaderRetrievalService();
    Props jobClientActorProps = JobSubmissionClientActor.createActorProps(testingLeaderRetrievalService, jobClientActorTimeout, false, clientConfig);
    ActorRef jobClientActor = system.actorOf(jobClientActorProps);
    Future<Object> jobExecutionResult = Patterns.ask(jobClientActor, new JobClientMessages.SubmitJobAndWait(testJobGraph), new Timeout(timeout));
    Await.result(jobExecutionResult, timeout);
}

Example 17 with Props

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

the class JobManagerLeaderElectionTest method testLeaderReelection.

/**
	 * Tests that a second JobManager is elected as the leader once the previous leader dies.
	 */
@Test
public void testLeaderReelection() throws Exception {
    final Configuration configuration = ZooKeeperTestUtils.createZooKeeperHAConfig(testingServer.getConnectString(), tempFolder.getRoot().getPath());
    ActorRef jm;
    ActorRef jm2 = null;
    try {
        Props jmProps = createJobManagerProps(configuration);
        jm = actorSystem.actorOf(jmProps);
        Future<Object> leaderFuture = Patterns.ask(jm, TestingJobManagerMessages.getNotifyWhenLeader(), timeout);
        Await.ready(leaderFuture, duration);
        Props jmProps2 = createJobManagerProps(configuration);
        jm2 = actorSystem.actorOf(jmProps2);
        jm.tell(PoisonPill.getInstance(), ActorRef.noSender());
        // now the second JobManager should be elected as the leader
        Future<Object> leader2Future = Patterns.ask(jm2, TestingJobManagerMessages.getNotifyWhenLeader(), timeout);
        Await.ready(leader2Future, duration);
    } finally {
        TestingUtils.stopActor(jm2);
    }
}

Example 18 with Props

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

the class YarnApplicationMasterRunner method runApplicationMaster.

// ------------------------------------------------------------------------
//  Core work method
// ------------------------------------------------------------------------
/**
	 * The main work method, must run as a privileged action.
	 *
	 * @return The return code for the Java process.
	 */
protected int runApplicationMaster(Configuration config) {
    ActorSystem actorSystem = null;
    WebMonitor webMonitor = null;
    int numberProcessors = Hardware.getNumberCPUCores();
    final ScheduledExecutorService futureExecutor = Executors.newScheduledThreadPool(numberProcessors, new ExecutorThreadFactory("yarn-jobmanager-future"));
    final ExecutorService ioExecutor = Executors.newFixedThreadPool(numberProcessors, new ExecutorThreadFactory("yarn-jobmanager-io"));
    try {
        // ------- (1) load and parse / validate all configurations -------
        // loading all config values here has the advantage that the program fails fast, if any
        // configuration problem occurs
        final String currDir = ENV.get(Environment.PWD.key());
        require(currDir != null, "Current working directory variable (%s) not set", Environment.PWD.key());
        // Note that we use the "appMasterHostname" given by YARN here, to make sure
        // we use the hostnames given by YARN consistently throughout akka.
        // for akka "localhost" and "localhost.localdomain" are different actors.
        final String appMasterHostname = ENV.get(Environment.NM_HOST.key());
        require(appMasterHostname != null, "ApplicationMaster hostname variable %s not set", Environment.NM_HOST.key());
        LOG.info("YARN assigned hostname for application master: {}", appMasterHostname);
        //Update keytab and principal path to reflect YARN container path location
        final String remoteKeytabPath = ENV.get(YarnConfigKeys.KEYTAB_PATH);
        final String remoteKeytabPrincipal = ENV.get(YarnConfigKeys.KEYTAB_PRINCIPAL);
        String keytabPath = null;
        if (remoteKeytabPath != null) {
            File f = new File(currDir, Utils.KEYTAB_FILE_NAME);
            keytabPath = f.getAbsolutePath();
            LOG.info("keytabPath: {}", keytabPath);
        }
        if (keytabPath != null && remoteKeytabPrincipal != null) {
            config.setString(SecurityOptions.KERBEROS_LOGIN_KEYTAB, keytabPath);
            config.setString(SecurityOptions.KERBEROS_LOGIN_PRINCIPAL, remoteKeytabPrincipal);
        }
        // Hadoop/Yarn configuration (loads config data automatically from classpath files)
        final YarnConfiguration yarnConfig = new YarnConfiguration();
        final int taskManagerContainerMemory;
        final int numInitialTaskManagers;
        final int slotsPerTaskManager;
        try {
            taskManagerContainerMemory = Integer.parseInt(ENV.get(YarnConfigKeys.ENV_TM_MEMORY));
        } catch (NumberFormatException e) {
            throw new RuntimeException("Invalid value for " + YarnConfigKeys.ENV_TM_MEMORY + " : " + e.getMessage());
        }
        try {
            numInitialTaskManagers = Integer.parseInt(ENV.get(YarnConfigKeys.ENV_TM_COUNT));
        } catch (NumberFormatException e) {
            throw new RuntimeException("Invalid value for " + YarnConfigKeys.ENV_TM_COUNT + " : " + e.getMessage());
        }
        try {
            slotsPerTaskManager = Integer.parseInt(ENV.get(YarnConfigKeys.ENV_SLOTS));
        } catch (NumberFormatException e) {
            throw new RuntimeException("Invalid value for " + YarnConfigKeys.ENV_SLOTS + " : " + e.getMessage());
        }
        final ContaineredTaskManagerParameters taskManagerParameters = ContaineredTaskManagerParameters.create(config, taskManagerContainerMemory, slotsPerTaskManager);
        LOG.info("TaskManagers will be created with {} task slots", taskManagerParameters.numSlots());
        LOG.info("TaskManagers will be started with container size {} MB, JVM heap size {} MB, " + "JVM direct memory limit {} MB", taskManagerParameters.taskManagerTotalMemoryMB(), taskManagerParameters.taskManagerHeapSizeMB(), taskManagerParameters.taskManagerDirectMemoryLimitMB());
        // ----------------- (2) start the actor system -------------------
        // try to start the actor system, JobManager and JobManager actor system
        // using the port range definition from the config.
        final String amPortRange = config.getString(ConfigConstants.YARN_APPLICATION_MASTER_PORT, ConfigConstants.DEFAULT_YARN_JOB_MANAGER_PORT);
        actorSystem = BootstrapTools.startActorSystem(config, appMasterHostname, amPortRange, LOG);
        final String akkaHostname = AkkaUtils.getAddress(actorSystem).host().get();
        final int akkaPort = (Integer) AkkaUtils.getAddress(actorSystem).port().get();
        LOG.info("Actor system bound to hostname {}.", akkaHostname);
        // ---- (3) Generate the configuration for the TaskManagers
        final Configuration taskManagerConfig = BootstrapTools.generateTaskManagerConfiguration(config, akkaHostname, akkaPort, slotsPerTaskManager, TASKMANAGER_REGISTRATION_TIMEOUT);
        LOG.debug("TaskManager configuration: {}", taskManagerConfig);
        final ContainerLaunchContext taskManagerContext = Utils.createTaskExecutorContext(config, yarnConfig, ENV, taskManagerParameters, taskManagerConfig, currDir, getTaskManagerClass(), LOG);
        // ---- (4) start the actors and components in this order:
        // 1) JobManager & Archive (in non-HA case, the leader service takes this)
        // 2) Web Monitor (we need its port to register)
        // 3) Resource Master for YARN
        // 4) Process reapers for the JobManager and Resource Master
        // 1: the JobManager
        LOG.debug("Starting JobManager actor");
        // we start the JobManager with its standard name
        ActorRef jobManager = JobManager.startJobManagerActors(config, actorSystem, futureExecutor, ioExecutor, new Some<>(JobManager.JOB_MANAGER_NAME()), Option.<String>empty(), getJobManagerClass(), getArchivistClass())._1();
        // 2: the web monitor
        LOG.debug("Starting Web Frontend");
        webMonitor = BootstrapTools.startWebMonitorIfConfigured(config, actorSystem, jobManager, LOG);
        String protocol = "http://";
        if (config.getBoolean(ConfigConstants.JOB_MANAGER_WEB_SSL_ENABLED, ConfigConstants.DEFAULT_JOB_MANAGER_WEB_SSL_ENABLED) && SSLUtils.getSSLEnabled(config)) {
            protocol = "https://";
        }
        final String webMonitorURL = webMonitor == null ? null : protocol + appMasterHostname + ":" + webMonitor.getServerPort();
        // 3: Flink's Yarn ResourceManager
        LOG.debug("Starting YARN Flink Resource Manager");
        // we need the leader retrieval service here to be informed of new leaders and session IDs
        LeaderRetrievalService leaderRetriever = LeaderRetrievalUtils.createLeaderRetrievalService(config, jobManager);
        Props resourceMasterProps = YarnFlinkResourceManager.createActorProps(getResourceManagerClass(), config, yarnConfig, leaderRetriever, appMasterHostname, webMonitorURL, taskManagerParameters, taskManagerContext, numInitialTaskManagers, LOG);
        ActorRef resourceMaster = actorSystem.actorOf(resourceMasterProps);
        // 4: Process reapers
        // The process reapers ensure that upon unexpected actor death, the process exits
        // and does not stay lingering around unresponsive
        LOG.debug("Starting process reapers for JobManager and YARN Application Master");
        actorSystem.actorOf(Props.create(ProcessReaper.class, resourceMaster, LOG, ACTOR_DIED_EXIT_CODE), "YARN_Resource_Master_Process_Reaper");
        actorSystem.actorOf(Props.create(ProcessReaper.class, jobManager, LOG, ACTOR_DIED_EXIT_CODE), "JobManager_Process_Reaper");
    } catch (Throwable t) {
        // make sure that everything whatever ends up in the log
        LOG.error("YARN Application Master initialization failed", t);
        if (webMonitor != null) {
            try {
                webMonitor.stop();
            } catch (Throwable ignored) {
                LOG.warn("Failed to stop the web frontend", t);
            }
        }
        if (actorSystem != null) {
            try {
                actorSystem.shutdown();
            } catch (Throwable tt) {
                LOG.error("Error shutting down actor system", tt);
            }
        }
        futureExecutor.shutdownNow();
        ioExecutor.shutdownNow();
        return INIT_ERROR_EXIT_CODE;
    }
    // everything started, we can wait until all is done or the process is killed
    LOG.info("YARN Application Master started");
    // wait until everything is done
    actorSystem.awaitTermination();
    // if we get here, everything work out jolly all right, and we even exited smoothly
    if (webMonitor != null) {
        try {
            webMonitor.stop();
        } catch (Throwable t) {
            LOG.error("Failed to stop the web frontend", t);
        }
    }
    org.apache.flink.runtime.concurrent.Executors.gracefulShutdown(AkkaUtils.getTimeout(config).toMillis(), TimeUnit.MILLISECONDS, futureExecutor, ioExecutor);
    return 0;
}

Example 19 with Props

use of akka.actor.Props 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 20 with Props

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

the class JobManagerHARecoveryTest method testFailingJobRecovery.

/**
	 * Tests that a failing job recovery won't cause other job recoveries to fail.
	 */
@Test
public void testFailingJobRecovery() throws Exception {
    final FiniteDuration timeout = new FiniteDuration(10, TimeUnit.SECONDS);
    final FiniteDuration jobRecoveryTimeout = new FiniteDuration(0, TimeUnit.SECONDS);
    Deadline deadline = new FiniteDuration(1, TimeUnit.MINUTES).fromNow();
    final Configuration flinkConfiguration = new Configuration();
    UUID leaderSessionID = UUID.randomUUID();
    ActorRef jobManager = null;
    JobID jobId1 = new JobID();
    JobID jobId2 = new JobID();
    // set HA mode to zookeeper so that we try to recover jobs
    flinkConfiguration.setString(HighAvailabilityOptions.HA_MODE, "zookeeper");
    try {
        final SubmittedJobGraphStore submittedJobGraphStore = mock(SubmittedJobGraphStore.class);
        SubmittedJobGraph submittedJobGraph = mock(SubmittedJobGraph.class);
        when(submittedJobGraph.getJobId()).thenReturn(jobId2);
        when(submittedJobGraphStore.getJobIds()).thenReturn(Arrays.asList(jobId1, jobId2));
        // fail the first job recovery
        when(submittedJobGraphStore.recoverJobGraph(eq(jobId1))).thenThrow(new Exception("Test exception"));
        // succeed the second job recovery
        when(submittedJobGraphStore.recoverJobGraph(eq(jobId2))).thenReturn(submittedJobGraph);
        final TestingLeaderElectionService myLeaderElectionService = new TestingLeaderElectionService();
        final Collection<JobID> recoveredJobs = new ArrayList<>(2);
        Props jobManagerProps = Props.create(TestingFailingHAJobManager.class, flinkConfiguration, TestingUtils.defaultExecutor(), TestingUtils.defaultExecutor(), mock(InstanceManager.class), mock(Scheduler.class), new BlobLibraryCacheManager(mock(BlobService.class), 1 << 20), ActorRef.noSender(), new FixedDelayRestartStrategy.FixedDelayRestartStrategyFactory(Int.MaxValue(), 100), timeout, myLeaderElectionService, submittedJobGraphStore, mock(CheckpointRecoveryFactory.class), jobRecoveryTimeout, Option.<MetricRegistry>apply(null), recoveredJobs).withDispatcher(CallingThreadDispatcher.Id());
        jobManager = system.actorOf(jobManagerProps);
        Future<Object> started = Patterns.ask(jobManager, new Identify(42), deadline.timeLeft().toMillis());
        Await.ready(started, deadline.timeLeft());
        // make the job manager the leader --> this triggers the recovery of all jobs
        myLeaderElectionService.isLeader(leaderSessionID);
        // check that we have successfully recovered the second job
        assertThat(recoveredJobs, containsInAnyOrder(jobId2));
    } finally {
        TestingUtils.stopActor(jobManager);
    }
}