use of org.apache.samza.container.ExecutionContainerIdManager 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);
}
}
}
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