Examples with MetricsReporter org.apache.samza.metrics.MetricsReporter used on opensource projects

Example 1 with MetricsReporter

use of org.apache.samza.metrics.MetricsReporter in project samza by apache.

the class LocalContainerRunner method run.

@Override
public void run(StreamApplication streamApp) {
    ContainerModel containerModel = jobModel.getContainers().get(containerId);
    Object taskFactory = TaskFactoryUtil.createTaskFactory(config, streamApp, this);
    container = SamzaContainer$.MODULE$.apply(containerModel, config, jobModel.maxChangeLogStreamPartitions, Util.<String, MetricsReporter>javaMapAsScalaMap(new HashMap<>()), taskFactory);
    container.setContainerListener(new SamzaContainerListener() {

        @Override
        public void onContainerStart() {
            log.info("Container Started");
        }

        @Override
        public void onContainerStop(boolean invokedExternally) {
            log.info("Container Stopped");
        }

        @Override
        public void onContainerFailed(Throwable t) {
            log.info("Container Failed");
            containerRunnerException = t;
        }
    });
    startContainerHeartbeatMonitor();
    container.run();
    stopContainerHeartbeatMonitor();
    if (containerRunnerException != null) {
        log.error("Container stopped with Exception. Exiting process now.", containerRunnerException);
        System.exit(1);
    }
}

Example 2 with MetricsReporter

use of org.apache.samza.metrics.MetricsReporter in project samza by apache.

the class MetricsReporterLoader method getMetricsReporters.

public static Map<String, MetricsReporter> getMetricsReporters(MetricsConfig metricsConfig, String containerName) {
    Map<String, MetricsReporter> metricsReporters = new HashMap<>();
    List<String> metricsReporterNames = metricsConfig.getMetricReporterNames();
    for (String metricsReporterName : metricsReporterNames) {
        String metricsFactoryClassName = metricsConfig.getMetricsFactoryClass(metricsReporterName).orElseThrow(() -> new SamzaException(String.format("Metrics reporter %s missing .class config", metricsReporterName)));
        MetricsReporterFactory metricsReporterFactory = ReflectionUtil.getObj(metricsFactoryClassName, MetricsReporterFactory.class);
        metricsReporters.put(metricsReporterName, metricsReporterFactory.getMetricsReporter(metricsReporterName, containerName, metricsConfig));
    }
    return metricsReporters;
}

Example 3 with MetricsReporter

use of org.apache.samza.metrics.MetricsReporter in project samza by apache.

the class JobCoordinatorLaunchUtil method runJobCoordinator.

private static void runJobCoordinator(String jobCoordinatorClassName, MetricsRegistryMap metrics, MetadataStore metadataStore, Config finalConfig) {
    JobCoordinatorFactory jobCoordinatorFactory = ReflectionUtil.getObj(jobCoordinatorClassName, JobCoordinatorFactory.class);
    JobCoordinator jobCoordinator = jobCoordinatorFactory.getJobCoordinator(JOB_COORDINATOR_PROCESSOR_ID_PLACEHOLDER, finalConfig, metrics, metadataStore);
    Map<String, MetricsReporter> metricsReporters = MetricsReporterLoader.getMetricsReporters(new MetricsConfig(finalConfig), CoordinationConstants.JOB_COORDINATOR_CONTAINER_NAME);
    metricsReporters.values().forEach(metricsReporter -> metricsReporter.register(CoordinationConstants.JOB_COORDINATOR_CONTAINER_NAME, metrics));
    metricsReporters.values().forEach(MetricsReporter::start);
    CountDownLatch waitForShutdownLatch = new CountDownLatch(1);
    jobCoordinator.setListener(new NoProcessorJobCoordinatorListener(waitForShutdownLatch));
    jobCoordinator.start();
    addShutdownHook(jobCoordinator);
    try {
        waitForShutdownLatch.await();
    } catch (InterruptedException e) {
        String errorMessage = "Error while waiting for coordinator to complete";
        LOG.error(errorMessage, e);
        throw new SamzaException(errorMessage, e);
    } finally {
        metricsReporters.values().forEach(MetricsReporter::stop);
    }
}

Example 4 with MetricsReporter

use of org.apache.samza.metrics.MetricsReporter in project samza by apache.

the class TestJobCoordinatorLaunchUtil method testRunJobCoordinator.

@Test
public void testRunJobCoordinator() throws Exception {
    String jobCoordinatorFactoryClass = "org.apache.samza.custom.MyJobCoordinatorFactory";
    Config originalConfig = buildOriginalConfig(ImmutableMap.of(JobCoordinatorConfig.JOB_COORDINATOR_FACTORY, jobCoordinatorFactoryClass));
    JobConfig fullConfig = new JobConfig(new MapConfig(originalConfig, Collections.singletonMap("isAfterPlanning", "true")));
    Config autoSizingConfig = new MapConfig(Collections.singletonMap(JobConfig.JOB_AUTOSIZING_CONTAINER_COUNT, "10"));
    Config finalConfig = new MapConfig(autoSizingConfig, fullConfig);
    RemoteJobPlanner remoteJobPlanner = mock(RemoteJobPlanner.class);
    CoordinatorStreamStore coordinatorStreamStore = mock(CoordinatorStreamStore.class);
    JobCoordinatorFactory jobCoordinatorFactory = mock(JobCoordinatorFactory.class);
    JobCoordinator jobCoordinator = mock(JobCoordinator.class);
    PowerMockito.mockStatic(CoordinatorStreamUtil.class);
    PowerMockito.doNothing().when(CoordinatorStreamUtil.class, "createCoordinatorStream", any());
    PowerMockito.doReturn(new MapConfig()).when(CoordinatorStreamUtil.class, "buildCoordinatorStreamConfig", any());
    PowerMockito.doReturn(autoSizingConfig).when(CoordinatorStreamUtil.class, "readLaunchConfigFromCoordinatorStream", any(), any());
    PowerMockito.whenNew(CoordinatorStreamStore.class).withAnyArguments().thenReturn(coordinatorStreamStore);
    PowerMockito.whenNew(RemoteJobPlanner.class).withAnyArguments().thenReturn(remoteJobPlanner);
    when(remoteJobPlanner.prepareJobs()).thenReturn(Collections.singletonList(fullConfig));
    PowerMockito.mockStatic(ReflectionUtil.class);
    PowerMockito.doReturn(jobCoordinatorFactory).when(ReflectionUtil.class, "getObj", jobCoordinatorFactoryClass, JobCoordinatorFactory.class);
    when(jobCoordinatorFactory.getJobCoordinator(eq("samza-job-coordinator"), eq(finalConfig), any(), eq(coordinatorStreamStore))).thenReturn(jobCoordinator);
    // use a latch to keep track of when shutdown hook was added to know when we should start verifications
    CountDownLatch addShutdownHookLatch = new CountDownLatch(1);
    PowerMockito.spy(JobCoordinatorLaunchUtil.class);
    PowerMockito.doAnswer(invocation -> {
        addShutdownHookLatch.countDown();
        return null;
    }).when(JobCoordinatorLaunchUtil.class, "addShutdownHook", any());
    MetricsReporter metricsReporter = mock(MetricsReporter.class);
    Map<String, MetricsReporter> metricsReporterMap = ImmutableMap.of("reporter", metricsReporter);
    PowerMockito.mockStatic(MetricsReporterLoader.class);
    PowerMockito.doReturn(metricsReporterMap).when(MetricsReporterLoader.class, "getMetricsReporters", new MetricsConfig(finalConfig), "JobCoordinator");
    NoProcessorJobCoordinatorListener jobCoordinatorListener = mock(NoProcessorJobCoordinatorListener.class);
    PowerMockito.whenNew(NoProcessorJobCoordinatorListener.class).withAnyArguments().thenReturn(jobCoordinatorListener);
    Thread runThread = new Thread(() -> JobCoordinatorLaunchUtil.run(new MockStreamApplication(), originalConfig));
    runThread.start();
    // last thing before waiting for shutdown is to add shutdown hook, so do verifications once hook is added
    addShutdownHookLatch.await();
    verifyStatic();
    CoordinatorStreamUtil.createCoordinatorStream(fullConfig);
    verifyStatic();
    CoordinatorStreamUtil.writeConfigToCoordinatorStream(finalConfig, true);
    verifyStatic();
    JobCoordinatorLaunchUtil.addShutdownHook(jobCoordinator);
    InOrder inOrder = Mockito.inOrder(metricsReporter, jobCoordinator);
    inOrder.verify(metricsReporter).register(eq("JobCoordinator"), any());
    inOrder.verify(metricsReporter).start();
    ArgumentCaptor<CountDownLatch> countDownLatchArgumentCaptor = ArgumentCaptor.forClass(CountDownLatch.class);
    verifyNew(NoProcessorJobCoordinatorListener.class).withArguments(countDownLatchArgumentCaptor.capture());
    inOrder.verify(jobCoordinator).setListener(jobCoordinatorListener);
    inOrder.verify(jobCoordinator).start();
    // wait some time and then make sure the run thread is still alive
    Thread.sleep(Duration.ofMillis(500).toMillis());
    assertTrue(runThread.isAlive());
    // trigger the count down latch so that the run thread can exit
    countDownLatchArgumentCaptor.getValue().countDown();
    runThread.join(Duration.ofSeconds(10).toMillis());
    assertFalse(runThread.isAlive());
    verify(metricsReporter).stop();
}

Example 5 with MetricsReporter

use of org.apache.samza.metrics.MetricsReporter in project samza by apache.

the class ContainerLaunchUtil method run.

@VisibleForTesting
static void run(ApplicationDescriptorImpl<? extends ApplicationDescriptor> appDesc, String jobName, String jobId, String containerId, Optional<String> executionEnvContainerId, Optional<String> samzaEpochId, JobModel jobModel, Config config, Optional<ExternalContext> externalContextOptional) {
    CoordinatorStreamStore coordinatorStreamStore = buildCoordinatorStreamStore(config, new MetricsRegistryMap());
    coordinatorStreamStore.init();
    /*
     * We track the exit code and only trigger exit in the finally block to make sure we are able to execute all the
     * clean up steps. Prior implementation had short circuited exit causing some of the clean up steps to be missed.
     */
    int exitCode = 0;
    try {
        TaskFactory taskFactory = TaskFactoryUtil.getTaskFactory(appDesc);
        LocalityManager localityManager = new LocalityManager(new NamespaceAwareCoordinatorStreamStore(coordinatorStreamStore, SetContainerHostMapping.TYPE));
        // StartpointManager wraps the coordinatorStreamStore in the namespaces internally
        StartpointManager startpointManager = null;
        if (new JobConfig(config).getStartpointEnabled()) {
            startpointManager = new StartpointManager(coordinatorStreamStore);
        }
        Map<String, MetricsReporter> metricsReporters = loadMetricsReporters(appDesc, containerId, config);
        // Creating diagnostics manager and reporter, and wiring it respectively
        Optional<DiagnosticsManager> diagnosticsManager = DiagnosticsUtil.buildDiagnosticsManager(jobName, jobId, jobModel, containerId, executionEnvContainerId, samzaEpochId, config);
        MetricsRegistryMap metricsRegistryMap = new MetricsRegistryMap();
        SamzaContainer container = SamzaContainer$.MODULE$.apply(containerId, jobModel, ScalaJavaUtil.toScalaMap(metricsReporters), metricsRegistryMap, taskFactory, JobContextImpl.fromConfigWithDefaults(config, jobModel), Option.apply(appDesc.getApplicationContainerContextFactory().orElse(null)), Option.apply(appDesc.getApplicationTaskContextFactory().orElse(null)), Option.apply(externalContextOptional.orElse(null)), localityManager, startpointManager, Option.apply(diagnosticsManager.orElse(null)));
        ProcessorLifecycleListener processorLifecycleListener = appDesc.getProcessorLifecycleListenerFactory().createInstance(new ProcessorContext() {
        }, config);
        ClusterBasedProcessorLifecycleListener listener = new ClusterBasedProcessorLifecycleListener(config, processorLifecycleListener, container::shutdown);
        container.setContainerListener(listener);
        ContainerHeartbeatMonitor heartbeatMonitor = createContainerHeartbeatMonitor(container, new NamespaceAwareCoordinatorStreamStore(coordinatorStreamStore, SetConfig.TYPE), config);
        if (heartbeatMonitor != null) {
            heartbeatMonitor.start();
        }
        if (new JobConfig(config).getApplicationMasterHighAvailabilityEnabled()) {
            executionEnvContainerId.ifPresent(execEnvContainerId -> {
                ExecutionContainerIdManager executionContainerIdManager = new ExecutionContainerIdManager(new NamespaceAwareCoordinatorStreamStore(coordinatorStreamStore, SetExecutionEnvContainerIdMapping.TYPE));
                executionContainerIdManager.writeExecutionEnvironmentContainerIdMapping(containerId, execEnvContainerId);
            });
        }
        container.run();
        if (heartbeatMonitor != null) {
            heartbeatMonitor.stop();
        }
        // overriding the value with what the listener returns
        if (containerRunnerException == null) {
            containerRunnerException = listener.getContainerException();
        }
        if (containerRunnerException != null) {
            log.error("Container stopped with Exception. Exiting process now.", containerRunnerException);
            exitCode = 1;
        }
    } catch (Throwable e) {
        /*
       * Two separate log statements are intended to print the entire stack trace as part of the logs. Using
       * single log statement with custom format requires explicitly fetching stack trace and null checks which makes
       * the code slightly hard to read in comparison with the current choice.
       */
        log.error("Exiting the process due to", e);
        log.error("Container runner exception: ", containerRunnerException);
        exitCode = 1;
    } finally {
        coordinatorStreamStore.close();
        /*
       * Only exit in the scenario of non-zero exit code in order to maintain parity with current implementation where
       * the method completes when no errors are encountered.
       */
        if (exitCode != 0) {
            exitProcess(exitCode);
        }
    }
}