Examples with SubmitJob org.apache.flink.runtime.messages.JobManagerMessages.SubmitJob used on opensource projects

Example 11 with SubmitJob

use of org.apache.flink.runtime.messages.JobManagerMessages.SubmitJob in project flink by apache.

the class JobManagerHAJobGraphRecoveryITCase method testClientNonDetachedListeningBehaviour.

/**
	 * Tests that clients receive updates after recovery by a new leader.
	 */
@Test
public void testClientNonDetachedListeningBehaviour() throws Exception {
    Configuration config = ZooKeeperTestUtils.createZooKeeperHAConfig(ZooKeeper.getConnectString(), FileStateBackendBasePath.getPath());
    // Test actor system
    ActorSystem testSystem = null;
    // JobManager setup. Start the job managers as separate processes in order to not run the
    // actors postStop, which cleans up all running jobs.
    JobManagerProcess[] jobManagerProcess = new JobManagerProcess[2];
    LeaderRetrievalService leaderRetrievalService = null;
    ActorSystem taskManagerSystem = null;
    try {
        final Deadline deadline = TestTimeOut.fromNow();
        // Test actor system
        testSystem = AkkaUtils.createActorSystem(new Configuration(), new Some<>(new Tuple2<String, Object>("localhost", 0)));
        // The job managers
        jobManagerProcess[0] = new JobManagerProcess(0, config);
        jobManagerProcess[1] = new JobManagerProcess(1, config);
        jobManagerProcess[0].startProcess();
        jobManagerProcess[1].startProcess();
        // Leader listener
        TestingListener leaderListener = new TestingListener();
        leaderRetrievalService = ZooKeeperUtils.createLeaderRetrievalService(config);
        leaderRetrievalService.start(leaderListener);
        // The task manager
        taskManagerSystem = AkkaUtils.createActorSystem(AkkaUtils.getDefaultAkkaConfig());
        TaskManager.startTaskManagerComponentsAndActor(config, ResourceID.generate(), taskManagerSystem, "localhost", Option.<String>empty(), Option.<LeaderRetrievalService>empty(), false, TaskManager.class);
        // Client test actor
        TestActorRef<RecordingTestClient> clientRef = TestActorRef.create(testSystem, Props.create(RecordingTestClient.class));
        JobGraph jobGraph = createBlockingJobGraph();
        {
            // Initial submission
            leaderListener.waitForNewLeader(deadline.timeLeft().toMillis());
            String leaderAddress = leaderListener.getAddress();
            UUID leaderId = leaderListener.getLeaderSessionID();
            // The client
            AkkaActorGateway client = new AkkaActorGateway(clientRef, leaderId);
            // Get the leader ref
            ActorRef leaderRef = AkkaUtils.getActorRef(leaderAddress, testSystem, deadline.timeLeft());
            ActorGateway leader = new AkkaActorGateway(leaderRef, leaderId);
            int numSlots = 0;
            while (numSlots == 0) {
                Future<?> slotsFuture = leader.ask(JobManagerMessages.getRequestTotalNumberOfSlots(), deadline.timeLeft());
                numSlots = (Integer) Await.result(slotsFuture, deadline.timeLeft());
            }
            // Submit the job in non-detached mode
            leader.tell(new SubmitJob(jobGraph, ListeningBehaviour.EXECUTION_RESULT_AND_STATE_CHANGES), client);
            JobManagerActorTestUtils.waitForJobStatus(jobGraph.getJobID(), JobStatus.RUNNING, leader, deadline.timeLeft());
        }
        // Who's the boss?
        JobManagerProcess leadingJobManagerProcess;
        if (jobManagerProcess[0].getJobManagerAkkaURL(deadline.timeLeft()).equals(leaderListener.getAddress())) {
            leadingJobManagerProcess = jobManagerProcess[0];
        } else {
            leadingJobManagerProcess = jobManagerProcess[1];
        }
        // Kill the leading job manager process
        leadingJobManagerProcess.destroy();
        {
            // Recovery by the standby JobManager
            leaderListener.waitForNewLeader(deadline.timeLeft().toMillis());
            String leaderAddress = leaderListener.getAddress();
            UUID leaderId = leaderListener.getLeaderSessionID();
            ActorRef leaderRef = AkkaUtils.getActorRef(leaderAddress, testSystem, deadline.timeLeft());
            ActorGateway leader = new AkkaActorGateway(leaderRef, leaderId);
            JobManagerActorTestUtils.waitForJobStatus(jobGraph.getJobID(), JobStatus.RUNNING, leader, deadline.timeLeft());
            // Cancel the job
            leader.tell(new JobManagerMessages.CancelJob(jobGraph.getJobID()));
        }
        // Wait for the execution result
        clientRef.underlyingActor().awaitJobResult(deadline.timeLeft().toMillis());
        int jobSubmitSuccessMessages = 0;
        for (Object msg : clientRef.underlyingActor().getMessages()) {
            if (msg instanceof JobManagerMessages.JobSubmitSuccess) {
                jobSubmitSuccessMessages++;
            }
        }
        // At least two submissions should be ack-ed (initial and recovery). This is quite
        // conservative, but it is still possible that these messages are overtaken by the
        // final message.
        assertEquals(2, jobSubmitSuccessMessages);
    } catch (Throwable t) {
        // Print early (in some situations the process logs get too big
        // for Travis and the root problem is not shown)
        t.printStackTrace();
        // In case of an error, print the job manager process logs.
        if (jobManagerProcess[0] != null) {
            jobManagerProcess[0].printProcessLog();
        }
        if (jobManagerProcess[1] != null) {
            jobManagerProcess[1].printProcessLog();
        }
        throw t;
    } finally {
        if (jobManagerProcess[0] != null) {
            jobManagerProcess[0].destroy();
        }
        if (jobManagerProcess[1] != null) {
            jobManagerProcess[1].destroy();
        }
        if (leaderRetrievalService != null) {
            leaderRetrievalService.stop();
        }
        if (taskManagerSystem != null) {
            taskManagerSystem.shutdown();
        }
        if (testSystem != null) {
            testSystem.shutdown();
        }
    }
}