Examples with LifecycleEventPublisher io.mantisrx.master.events.LifecycleEventPublisher used on opensource projects

Example 1 with LifecycleEventPublisher

use of io.mantisrx.master.events.LifecycleEventPublisher in project mantis by Netflix.

the class AgentClustersRouteTest method setup.

@BeforeClass
public void setup() throws InterruptedException {
    TestHelpers.setupMasterConfig();
    final CountDownLatch latch = new CountDownLatch(1);
    t = new Thread(() -> {
        try {
            // boot up server using the route as defined below
            final Http http = Http.get(system);
            final ActorMaterializer materializer = ActorMaterializer.create(system);
            IMantisStorageProvider storageProvider = new SimpleCachedFileStorageProvider(true);
            final LifecycleEventPublisher lifecycleEventPublisher = new LifecycleEventPublisherImpl(new AuditEventSubscriberLoggingImpl(), new StatusEventSubscriberLoggingImpl(), new WorkerEventSubscriberLoggingImpl());
            ActorRef jobClustersManagerActor = system.actorOf(JobClustersManagerActor.props(new MantisJobStore(storageProvider), lifecycleEventPublisher), "jobClustersManager");
            MantisScheduler fakeScheduler = new FakeMantisScheduler(jobClustersManagerActor);
            jobClustersManagerActor.tell(new JobClusterManagerProto.JobClustersManagerInitialize(fakeScheduler, false), ActorRef.noSender());
            setupDummyAgentClusterAutoScaler();
            final AgentClustersRoute agentClusterV2Route = new AgentClustersRoute(new AgentClusterOperationsImpl(storageProvider, new JobMessageRouterImpl(jobClustersManagerActor), fakeScheduler, lifecycleEventPublisher, "cluster"));
            final Flow<HttpRequest, HttpResponse, NotUsed> routeFlow = agentClusterV2Route.createRoute(Function.identity()).flow(system, materializer);
            logger.info("test server starting on port {}", serverPort);
            latch.countDown();
            binding = http.bindAndHandle(routeFlow, ConnectHttp.toHost("localhost", serverPort), materializer);
        } catch (Exception e) {
            logger.info("caught exception", e);
            latch.countDown();
            e.printStackTrace();
        }
    });
    t.setDaemon(true);
    t.start();
    latch.await();
}

Example 2 with LifecycleEventPublisher

use of io.mantisrx.master.events.LifecycleEventPublisher in project mantis by Netflix.

the class JobRouteTest method setup.

@BeforeClass
public static void setup() throws Exception {
    JobTestHelper.deleteAllFiles();
    JobTestHelper.createDirsIfRequired();
    final CountDownLatch latch = new CountDownLatch(1);
    TestHelpers.setupMasterConfig();
    t = new Thread(() -> {
        try {
            // boot up server using the route as defined below
            final Http http = Http.get(system);
            final ActorMaterializer materializer = ActorMaterializer.create(system);
            // SimpleCachedFileStorageProvider simpleCachedFileStorageProvider = new SimpleCachedFileStorageProvider();
            // new File("/tmp/MantisSpool/namedJobs").mkdirs();
            // IMantisStorageProvider storageProvider = new MantisStorageProviderAdapter(simpleCachedFileStorageProvider);
            final LifecycleEventPublisher lifecycleEventPublisher = new LifecycleEventPublisherImpl(new AuditEventSubscriberLoggingImpl(), new StatusEventSubscriberLoggingImpl(), new WorkerEventSubscriberLoggingImpl());
            ActorRef jobClustersManagerActor = system.actorOf(JobClustersManagerActor.props(new MantisJobStore(new io.mantisrx.server.master.persistence.SimpleCachedFileStorageProvider(true)), lifecycleEventPublisher), "jobClustersManager");
            MantisScheduler fakeScheduler = new FakeMantisScheduler(jobClustersManagerActor);
            jobClustersManagerActor.tell(new JobClusterManagerProto.JobClustersManagerInitialize(fakeScheduler, false), ActorRef.noSender());
            final JobClusterRouteHandler jobClusterRouteHandler = new JobClusterRouteHandlerAkkaImpl(jobClustersManagerActor);
            final JobRouteHandler jobRouteHandler = new JobRouteHandlerAkkaImpl(jobClustersManagerActor);
            MasterDescription masterDescription = new MasterDescription("127.0.0.1", "127.0.0.1", serverPort, serverPort, serverPort, "api/postjobstatus", serverPort, System.currentTimeMillis());
            Duration idleTimeout = system.settings().config().getDuration("akka.http.server.idle-timeout");
            logger.info("idle timeout {} sec ", idleTimeout.getSeconds());
            final JobDiscoveryRouteHandler jobDiscoveryRouteHandler = new JobDiscoveryRouteHandlerAkkaImpl(jobClustersManagerActor, idleTimeout);
            final MasterDescriptionRoute masterDescriptionRoute = new MasterDescriptionRoute(masterDescription);
            final JobRoute v0JobRoute = new JobRoute(jobRouteHandler, system);
            final JobDiscoveryRoute v0JobDiscoveryRoute = new JobDiscoveryRoute(jobDiscoveryRouteHandler);
            final JobClusterRoute v0JobClusterRoute = new JobClusterRoute(jobClusterRouteHandler, jobRouteHandler, system);
            final JobClustersRoute v1JobClusterRoute = new JobClustersRoute(jobClusterRouteHandler, system);
            final JobsRoute v1JobsRoute = new JobsRoute(jobClusterRouteHandler, jobRouteHandler, system);
            final AdminMasterRoute v1AdminMasterRoute = new AdminMasterRoute(masterDescription);
            final JobStatusRouteHandler jobStatusRouteHandler = mock(JobStatusRouteHandler.class);
            when(jobStatusRouteHandler.jobStatus(anyString())).thenReturn(Flow.create());
            final JobStatusRoute v0JobStatusRoute = new JobStatusRoute(jobStatusRouteHandler);
            final AgentClusterOperations mockAgentClusterOps = mock(AgentClusterOperations.class);
            final AgentClusterRoute v0AgentClusterRoute = new AgentClusterRoute(mockAgentClusterOps, system);
            final AgentClustersRoute v1AgentClusterRoute = new AgentClustersRoute(mockAgentClusterOps);
            final JobDiscoveryStreamRoute v1JobDiscoveryStreamRoute = new JobDiscoveryStreamRoute(jobDiscoveryRouteHandler);
            final LastSubmittedJobIdStreamRoute v1LastSubmittedJobIdStreamRoute = new LastSubmittedJobIdStreamRoute(jobDiscoveryRouteHandler);
            final JobStatusStreamRoute v1JobStatusStreamRoute = new JobStatusStreamRoute(jobStatusRouteHandler);
            LocalMasterMonitor localMasterMonitor = new LocalMasterMonitor(masterDescription);
            LeadershipManagerLocalImpl leadershipMgr = new LeadershipManagerLocalImpl(masterDescription);
            leadershipMgr.setLeaderReady();
            LeaderRedirectionFilter leaderRedirectionFilter = new LeaderRedirectionFilter(localMasterMonitor, leadershipMgr);
            final MantisMasterRoute app = new MantisMasterRoute(leaderRedirectionFilter, masterDescriptionRoute, v0JobClusterRoute, v0JobRoute, v0JobDiscoveryRoute, v0JobStatusRoute, v0AgentClusterRoute, v1JobClusterRoute, v1JobsRoute, v1AdminMasterRoute, v1AgentClusterRoute, v1JobDiscoveryStreamRoute, v1LastSubmittedJobIdStreamRoute, v1JobStatusStreamRoute);
            final Flow<HttpRequest, HttpResponse, NotUsed> routeFlow = app.createRoute().flow(system, materializer);
            logger.info("starting test server on port {}", serverPort);
            binding = http.bindAndHandle(routeFlow, ConnectHttp.toHost("localhost", serverPort), materializer);
            latch.countDown();
        } catch (Exception e) {
            logger.info("caught exception", e);
            latch.countDown();
            e.printStackTrace();
        }
    });
    t.setDaemon(true);
    t.start();
    latch.await();
    Thread.sleep(100);
}

Example 3 with LifecycleEventPublisher

use of io.mantisrx.master.events.LifecycleEventPublisher in project mantis by Netflix.

the class JobClusterRouteTest method setup.

@BeforeClass
public static void setup() throws Exception {
    TestHelpers.setupMasterConfig();
    final CountDownLatch latch = new CountDownLatch(1);
    t = new Thread(() -> {
        try {
            // boot up server using the route as defined below
            final Http http = Http.get(system);
            final ActorMaterializer materializer = ActorMaterializer.create(system);
            final LifecycleEventPublisher lifecycleEventPublisher = new LifecycleEventPublisherImpl(new AuditEventSubscriberLoggingImpl(), new StatusEventSubscriberLoggingImpl(), new WorkerEventSubscriberLoggingImpl());
            ActorRef jobClustersManagerActor = system.actorOf(JobClustersManagerActor.props(new MantisJobStore(new SimpleCachedFileStorageProvider(true)), lifecycleEventPublisher), "jobClustersManager");
            MantisScheduler fakeScheduler = new FakeMantisScheduler(jobClustersManagerActor);
            jobClustersManagerActor.tell(new JobClusterManagerProto.JobClustersManagerInitialize(fakeScheduler, false), ActorRef.noSender());
            final JobClusterRouteHandler jobClusterRouteHandler = new JobClusterRouteHandlerAkkaImpl(jobClustersManagerActor);
            final JobRouteHandler jobRouteHandler = new JobRouteHandlerAkkaImpl(jobClustersManagerActor);
            final JobClusterRoute app = new JobClusterRoute(jobClusterRouteHandler, jobRouteHandler, system);
            final Flow<HttpRequest, HttpResponse, NotUsed> routeFlow = app.createRoute(Function.identity()).flow(system, materializer);
            logger.info("starting test server on port {}", serverPort);
            binding = http.bindAndHandle(routeFlow, ConnectHttp.toHost("localhost", serverPort), materializer);
            latch.countDown();
        } catch (Exception e) {
            logger.info("caught exception", e);
            latch.countDown();
            e.printStackTrace();
        }
    });
    t.setDaemon(true);
    t.start();
    latch.await();
}

Example 4 with LifecycleEventPublisher

use of io.mantisrx.master.events.LifecycleEventPublisher in project mantis by Netflix.

the class MantisMasterAPI method main.

public static void main(String[] args) throws Exception {
    // boot up server using the route as defined below
    int port = 8182;
    TestHelpers.setupMasterConfig();
    ActorSystem system = ActorSystem.create("MantisMasterAPI");
    final ActorRef actor = system.actorOf(Props.create(DeadLetterActor.class));
    system.eventStream().subscribe(actor, DeadLetter.class);
    final Http http = Http.get(system);
    final ActorMaterializer materializer = ActorMaterializer.create(system);
    final AuditEventSubscriber auditEventSubscriber = new AuditEventSubscriberLoggingImpl();
    ActorRef auditEventBrokerActor = system.actorOf(AuditEventBrokerActor.props(auditEventSubscriber), "AuditEventBroker");
    final AuditEventSubscriber auditEventSubscriberAkka = new AuditEventSubscriberAkkaImpl(auditEventBrokerActor);
    final LifecycleEventPublisher lifecycleEventPublisher = new LifecycleEventPublisherImpl(auditEventSubscriberAkka, new StatusEventSubscriberLoggingImpl(), new WorkerEventSubscriberLoggingImpl());
    IMantisStorageProvider storageProvider = new MantisStorageProviderAdapter(new SimpleCachedFileStorageProvider(), lifecycleEventPublisher);
    ActorRef jobClustersManager = system.actorOf(JobClustersManagerActor.props(new MantisJobStore(storageProvider), lifecycleEventPublisher), "JobClustersManager");
    final FakeMantisScheduler fakeScheduler = new FakeMantisScheduler(jobClustersManager);
    jobClustersManager.tell(new JobClusterManagerProto.JobClustersManagerInitialize(fakeScheduler, true), ActorRef.noSender());
    // Schedulers.newThread().createWorker().schedulePeriodically(() -> jobClustersManager.tell(new NullPointerException(), ActorRef.noSender()),0, 100, TimeUnit.SECONDS);
    setupDummyAgentClusterAutoScaler();
    final JobClusterRouteHandler jobClusterRouteHandler = new JobClusterRouteHandlerAkkaImpl(jobClustersManager);
    final JobRouteHandler jobRouteHandler = new JobRouteHandlerAkkaImpl(jobClustersManager);
    MasterDescription masterDescription = new MasterDescription("localhost", "127.0.0.1", port, port + 2, port + 4, "api/postjobstatus", port + 6, System.currentTimeMillis());
    final MasterDescriptionRoute masterDescriptionRoute = new MasterDescriptionRoute(masterDescription);
    Duration idleTimeout = system.settings().config().getDuration("akka.http.server.idle-timeout");
    logger.info("idle timeout {} sec ", idleTimeout.getSeconds());
    ActorRef agentsErrorMonitorActor = system.actorOf(AgentsErrorMonitorActor.props(), "AgentsErrorMonitor");
    ActorRef statusEventBrokerActor = system.actorOf(StatusEventBrokerActor.props(agentsErrorMonitorActor), "StatusEventBroker");
    agentsErrorMonitorActor.tell(new AgentsErrorMonitorActor.InitializeAgentsErrorMonitor(fakeScheduler), ActorRef.noSender());
    final JobStatusRouteHandler jobStatusRouteHandler = new JobStatusRouteHandlerAkkaImpl(system, statusEventBrokerActor);
    final AgentClusterOperationsImpl agentClusterOperations = new AgentClusterOperationsImpl(storageProvider, new JobMessageRouterImpl(jobClustersManager), fakeScheduler, lifecycleEventPublisher, "cluster");
    final JobDiscoveryRouteHandler jobDiscoveryRouteHandler = new JobDiscoveryRouteHandlerAkkaImpl(jobClustersManager, idleTimeout);
    final JobRoute v0JobRoute = new JobRoute(jobRouteHandler, system);
    final JobDiscoveryRoute v0JobDiscoveryRoute = new JobDiscoveryRoute(jobDiscoveryRouteHandler);
    final JobClusterRoute v0JobClusterRoute = new JobClusterRoute(jobClusterRouteHandler, jobRouteHandler, system);
    final JobStatusRoute v0JobStatusRoute = new JobStatusRoute(jobStatusRouteHandler);
    final AgentClusterRoute v0AgentClusterRoute = new AgentClusterRoute(agentClusterOperations, system);
    final JobClustersRoute v1JobClustersRoute = new JobClustersRoute(jobClusterRouteHandler, system);
    final JobsRoute v1JobsRoute = new JobsRoute(jobClusterRouteHandler, jobRouteHandler, system);
    final AdminMasterRoute v1AdminMasterRoute = new AdminMasterRoute(masterDescription);
    final AgentClustersRoute v1AgentClustersRoute = new AgentClustersRoute(agentClusterOperations);
    final JobDiscoveryStreamRoute v1JobDiscoveryStreamRoute = new JobDiscoveryStreamRoute(jobDiscoveryRouteHandler);
    final LastSubmittedJobIdStreamRoute v1LastSubmittedJobIdStreamRoute = new LastSubmittedJobIdStreamRoute(jobDiscoveryRouteHandler);
    final JobStatusStreamRoute v1JobStatusStreamRoute = new JobStatusStreamRoute(jobStatusRouteHandler);
    LocalMasterMonitor localMasterMonitor = new LocalMasterMonitor(masterDescription);
    LeadershipManagerLocalImpl leadershipMgr = new LeadershipManagerLocalImpl(masterDescription);
    leadershipMgr.setLeaderReady();
    LeaderRedirectionFilter leaderRedirectionFilter = new LeaderRedirectionFilter(localMasterMonitor, leadershipMgr);
    final MantisMasterRoute app = new MantisMasterRoute(leaderRedirectionFilter, masterDescriptionRoute, v0JobClusterRoute, v0JobRoute, v0JobDiscoveryRoute, v0JobStatusRoute, v0AgentClusterRoute, v1JobClustersRoute, v1JobsRoute, v1AdminMasterRoute, v1AgentClustersRoute, v1JobDiscoveryStreamRoute, v1LastSubmittedJobIdStreamRoute, v1JobStatusStreamRoute);
    final Flow<HttpRequest, HttpResponse, NotUsed> routeFlow = app.createRoute().flow(system, materializer);
    final CompletionStage<ServerBinding> binding = http.bindAndHandle(routeFlow, ConnectHttp.toHost("localhost", port), materializer);
    binding.exceptionally(failure -> {
        System.err.println("Something very bad happened! " + failure.getMessage());
        system.terminate();
        return null;
    });
    // Schedulers.newThread().createWorker().schedule(() -> leadershipMgr.stopBeingLeader(), 10, TimeUnit.SECONDS);
    System.out.println("Server online at http://localhost:" + port + "/\nPress RETURN to stop...");
    // let it run until user presses return
    System.in.read();
    binding.thenCompose(// trigger unbinding from the port
    ServerBinding::unbind).thenAccept(// and shutdown when done
    unbound -> system.terminate());
}

Example 5 with LifecycleEventPublisher

use of io.mantisrx.master.events.LifecycleEventPublisher in project mantis by Netflix.

the class JobScaleUpDownTests method testSchedulingInfo.

// TODO fix for timing issues
// @Test
public void testSchedulingInfo() throws Exception {
    CountDownLatch latch = new CountDownLatch(11);
    List<JobSchedulingInfo> schedulingChangesList = new CopyOnWriteArrayList<>();
    final TestKit probe = new TestKit(system);
    Map<ScalingReason, Strategy> smap = new HashMap<>();
    smap.put(ScalingReason.CPU, new Strategy(ScalingReason.CPU, 0.5, 0.75, null));
    smap.put(ScalingReason.DataDrop, new Strategy(ScalingReason.DataDrop, 0.0, 2.0, null));
    SchedulingInfo sInfo = new SchedulingInfo.Builder().numberOfStages(1).multiWorkerScalableStageWithConstraints(1, new MachineDefinition(1.0, 1.0, 1.0, 3), Lists.newArrayList(), Lists.newArrayList(), new StageScalingPolicy(1, 0, 10, 1, 1, 0, smap)).build();
    String clusterName = "testSchedulingInfo";
    MantisScheduler schedulerMock = mock(MantisScheduler.class);
    MantisJobStore jobStoreMock = mock(MantisJobStore.class);
    CountDownLatch worker1Started = new CountDownLatch(1);
    ActorRef jobActor = JobTestHelper.submitSingleStageScalableJob(system, probe, clusterName, sInfo, schedulerMock, jobStoreMock, lifecycleEventPublisher);
    JobId jobId = new JobId(clusterName, 1);
    JobClusterManagerProto.GetJobSchedInfoRequest getJobSchedInfoRequest = new JobClusterManagerProto.GetJobSchedInfoRequest(jobId);
    jobActor.tell(getJobSchedInfoRequest, probe.getRef());
    JobClusterManagerProto.GetJobSchedInfoResponse resp = probe.expectMsgClass(JobClusterManagerProto.GetJobSchedInfoResponse.class);
    assertEquals(SUCCESS, resp.responseCode);
    assertTrue(resp.getJobSchedInfoSubject().isPresent());
    ObjectMapper mapper = new ObjectMapper();
    BehaviorSubject<JobSchedulingInfo> jobSchedulingInfoBehaviorSubject = resp.getJobSchedInfoSubject().get();
    jobSchedulingInfoBehaviorSubject.doOnNext((js) -> {
        System.out.println("Got --> " + js.toString());
    }).map((e) -> {
        try {
            return mapper.writeValueAsString(e);
        } catch (JsonProcessingException e1) {
            e1.printStackTrace();
            return "{\"error\":" + e1.getMessage() + "}";
        }
    }).map((js) -> {
        try {
            return mapper.readValue(js, JobSchedulingInfo.class);
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }).filter((j) -> j != null).doOnNext((js) -> {
    // Map<Integer, WorkerAssignments> workerAssignments = js.getWorkerAssignments();
    // WorkerAssignments workerAssignments1 = workerAssignments.get(1);
    // assertEquals(1, workerAssignments1.getNumWorkers());
    // Map<Integer, WorkerHost> hosts = workerAssignments1.getHosts();
    // // make sure worker number 1 exists
    // assertTrue(hosts.containsKey(1));
    }).doOnCompleted(() -> {
        System.out.println("SchedulingInfo completed");
        System.out.println(schedulingChangesList.size() + " Sched changes received");
    }).observeOn(Schedulers.io()).subscribe((js) -> {
        latch.countDown();
        schedulingChangesList.add(js);
    });
    // send scale up request
    jobActor.tell(new JobClusterManagerProto.ScaleStageRequest(jobId.getId(), 1, 2, "", ""), probe.getRef());
    JobClusterManagerProto.ScaleStageResponse scaleResp = probe.expectMsgClass(JobClusterManagerProto.ScaleStageResponse.class);
    System.out.println("ScaleupResp " + scaleResp.message);
    assertEquals(SUCCESS, scaleResp.responseCode);
    assertEquals(2, scaleResp.getActualNumWorkers());
    JobTestHelper.sendLaunchedInitiatedStartedEventsToWorker(probe, jobActor, jobId.getId(), 1, new WorkerId(jobId.getId(), 1, 3));
    // worker gets lost
    JobTestHelper.sendWorkerTerminatedEvent(probe, jobActor, jobId.getId(), new WorkerId(jobId.getId(), 1, 3));
    // Send replacement worker messages
    JobTestHelper.sendLaunchedInitiatedStartedEventsToWorker(probe, jobActor, jobId.getId(), 1, new WorkerId(jobId.getId(), 1, 4));
    // scale down
    jobActor.tell(new JobClusterManagerProto.ScaleStageRequest(jobId.getId(), 1, 1, "", ""), probe.getRef());
    JobClusterManagerProto.ScaleStageResponse scaleDownResp = probe.expectMsgClass(JobClusterManagerProto.ScaleStageResponse.class);
    System.out.println("ScaleDownResp " + scaleDownResp.message);
    assertEquals(SUCCESS, scaleDownResp.responseCode);
    assertEquals(1, scaleDownResp.getActualNumWorkers());
    // kill job
    jobActor.tell(new JobClusterProto.KillJobRequest(jobId, "killed", JobCompletedReason.Killed, "test", probe.getRef()), probe.getRef());
    probe.expectMsgClass(JobClusterProto.KillJobResponse.class);
    for (JobSchedulingInfo jobSchedulingInfo : schedulingChangesList) {
        System.out.println(jobSchedulingInfo);
    }
    /*
    SchedulingChange [jobId=testSchedulingInfo-1,
workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=1, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]],
													   3=WorkerHost [state=Launched, workerIndex=1, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]],
													   3=WorkerHost [state=StartInitiated, workerIndex=1, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]],
													   3=WorkerHost [state=Started, workerIndex=1, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]],
													   4=WorkerHost [state=Launched, workerIndex=1, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]],
														4=WorkerHost [state=StartInitiated, workerIndex=1, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=2, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]],
														4=WorkerHost [state=Started, workerIndex=1, host=host1, port=[9020]]}]}]
SchedulingChange [jobId=testSchedulingInfo-1, workerAssignments={
	0=WorkerAssignments [stage=0, numWorkers=1, hosts={1=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}],
	1=WorkerAssignments [stage=1, numWorkers=1, hosts={2=WorkerHost [state=Started, workerIndex=0, host=host1, port=[9020]]}
	]}]
     */
    latch.await(1000, TimeUnit.SECONDS);
    System.out.println("---->Verifying scheduling changes " + schedulingChangesList.size());
    assertEquals(11, schedulingChangesList.size());
    for (int i = 0; i < schedulingChangesList.size(); i++) {
        JobSchedulingInfo js = schedulingChangesList.get(i);
        // jobid is correct
        assertEquals(jobId.getId(), js.getJobId());
        Map<Integer, WorkerAssignments> workerAssignments = js.getWorkerAssignments();
        // has info about stage 1
        System.out.println("WorkerAssignments -> " + workerAssignments);
        // assertTrue(workerAssignments.containsKey(1));
        switch(i) {
            case 0:
                WorkerAssignments wa0 = workerAssignments.get(1);
                assertEquals(1, wa0.getNumWorkers());
                Map<Integer, WorkerHost> hosts0 = wa0.getHosts();
                // make sure worker number 2 exists
                validateHost(hosts0, 0, 2, MantisJobState.Started);
                break;
            // scale up by 1
            case 1:
                WorkerAssignments wa1 = workerAssignments.get(1);
                assertEquals(2, wa1.getNumWorkers());
                Map<Integer, WorkerHost> hosts1 = wa1.getHosts();
                assertEquals(1, hosts1.size());
                // first update has only numWorkers updated but the new worker is still in Accepted state, so no host entry for it
                validateHost(hosts1, 0, 2, MantisJobState.Started);
                assertFalse(hosts1.containsKey(3));
                break;
            case 2:
                WorkerAssignments wa2 = workerAssignments.get(1);
                assertEquals(2, wa2.getNumWorkers());
                Map<Integer, WorkerHost> hosts2 = wa2.getHosts();
                assertEquals(2, hosts2.size());
                // next update should have both numWorkers and the new worker in Launched state
                validateHost(hosts2, 0, 2, MantisJobState.Started);
                validateHost(hosts2, 1, 3, MantisJobState.Launched);
                break;
            case 3:
                WorkerAssignments wa3 = workerAssignments.get(1);
                assertEquals(2, wa3.getNumWorkers());
                Map<Integer, WorkerHost> hosts3 = wa3.getHosts();
                assertEquals(2, hosts3.size());
                // this update is for new worker in StartInit state
                validateHost(hosts3, 0, 2, MantisJobState.Started);
                validateHost(hosts3, 1, 3, MantisJobState.StartInitiated);
                break;
            case 4:
                WorkerAssignments wa4 = workerAssignments.get(1);
                assertEquals(2, wa4.getNumWorkers());
                Map<Integer, WorkerHost> hosts4 = wa4.getHosts();
                assertEquals(2, hosts4.size());
                // this update is for new worker in Started state
                validateHost(hosts4, 0, 2, MantisJobState.Started);
                validateHost(hosts4, 1, 3, MantisJobState.Started);
                break;
            case 5:
                // worker 3 is lost and should be resubmitted
                WorkerAssignments wa5 = workerAssignments.get(1);
                assertEquals(2, wa5.getNumWorkers());
                Map<Integer, WorkerHost> hosts5 = wa5.getHosts();
                assertEquals(1, hosts5.size());
                validateHost(hosts5, 0, 2, MantisJobState.Started);
                assertFalse(hosts5.containsKey(3));
                break;
            case 6:
                // worker 3 is replaced by worker num 4
                WorkerAssignments wa6 = workerAssignments.get(1);
                assertEquals(2, wa6.getNumWorkers());
                Map<Integer, WorkerHost> hosts6 = wa6.getHosts();
                // this update should have both numWorkers and the new worker in Launched state
                assertEquals(2, hosts6.size());
                validateHost(hosts6, 0, 2, MantisJobState.Started);
                validateHost(hosts6, 1, 4, MantisJobState.Launched);
                break;
            case 7:
                WorkerAssignments wa7 = workerAssignments.get(1);
                assertEquals(2, wa7.getNumWorkers());
                Map<Integer, WorkerHost> hosts7 = wa7.getHosts();
                // update for new worker in StartInit state
                assertEquals(2, hosts7.size());
                validateHost(hosts7, 0, 2, MantisJobState.Started);
                validateHost(hosts7, 1, 4, MantisJobState.StartInitiated);
                break;
            case 8:
                WorkerAssignments wa8 = workerAssignments.get(1);
                assertEquals(2, wa8.getNumWorkers());
                Map<Integer, WorkerHost> hosts8 = wa8.getHosts();
                // update for new worker in Started state
                assertEquals(2, hosts8.size());
                validateHost(hosts8, 0, 2, MantisJobState.Started);
                validateHost(hosts8, 1, 4, MantisJobState.Started);
                break;
            case 9:
                // scale down, worker 4 should be gone now and numWorkers set to 1
                WorkerAssignments wa9 = workerAssignments.get(1);
                assertEquals(1, wa9.getNumWorkers());
                Map<Integer, WorkerHost> hosts9 = wa9.getHosts();
                assertTrue(hosts9.containsKey(2));
                assertEquals(1, hosts9.size());
                validateHost(hosts9, 0, 2, MantisJobState.Started);
                break;
            case 10:
                // job has been killed
                assertTrue(workerAssignments.isEmpty());
                break;
            default:
                fail();
        }
    }
// 
// verify(jobStoreMock, times(1)).storeNewJob(any());
// // initial worker
// verify(jobStoreMock, times(1)).storeNewWorkers(any(),any());
// 
// //scale up worker
// verify(jobStoreMock, times(1)).storeNewWorker(any());
// 
// // verify(jobStoreMock, times(17)).updateWorker(any());
// 
// verify(jobStoreMock, times(3)).updateJob(any());
// 
// // initial worker + job master and scale up worker + resubmit
// verify(schedulerMock, times(4)).scheduleWorker(any());
// 
// verify(schedulerMock, times(4)).unscheduleAndTerminateWorker(any(), any());
}