Examples with LauncherUtils com.twitter.heron.scheduler.utils.LauncherUtils used on opensource projects

Example 16 with LauncherUtils

use of com.twitter.heron.scheduler.utils.LauncherUtils in project incubator-heron by apache.

the class AuroraLauncher method launch.

@Override
public boolean launch(PackingPlan packing) {
    LauncherUtils launcherUtils = LauncherUtils.getInstance();
    Config ytruntime = launcherUtils.createConfigWithPackingDetails(runtime, packing);
    return launcherUtils.onScheduleAsLibrary(config, ytruntime, getScheduler(), packing);
}

Example 17 with LauncherUtils

use of com.twitter.heron.scheduler.utils.LauncherUtils in project incubator-heron by apache.

the class NomadLauncher method launch.

@Override
public boolean launch(PackingPlan packing) {
    LauncherUtils launcherUtils = LauncherUtils.getInstance();
    Config ytruntime = launcherUtils.createConfigWithPackingDetails(runtime, packing);
    return launcherUtils.onScheduleAsLibrary(config, ytruntime, getScheduler(), packing);
}

Example 18 with LauncherUtils

use of com.twitter.heron.scheduler.utils.LauncherUtils in project incubator-heron by apache.

the class SlurmLauncherTest method testLaunch.

/**
 * Test slurm scheduler launcher
 */
@Test
public void testLaunch() throws Exception {
    Config config = createRunnerConfig();
    Config runtime = Mockito.mock(Config.class);
    PackingPlan packingPlan = Mockito.mock(PackingPlan.class);
    PackingPlan plan = new PackingPlan("plan.id", new HashSet<PackingPlan.ContainerPlan>());
    PowerMockito.spy(SlurmContext.class);
    PowerMockito.doReturn(WORKING_DIRECTORY).when(SlurmContext.class, "workingDirectory", config);
    LauncherUtils mockLauncherUtils = Mockito.mock(LauncherUtils.class);
    PowerMockito.spy(LauncherUtils.class);
    PowerMockito.doReturn(mockLauncherUtils).when(LauncherUtils.class, "getInstance");
    SlurmLauncher slurmLauncher = Mockito.spy(new SlurmLauncher());
    slurmLauncher.initialize(config, runtime);
    SlurmScheduler slurmScheduler = Mockito.spy(new SlurmScheduler());
    PowerMockito.doReturn(true).when(slurmScheduler).onSchedule(plan);
    // Failed to download
    Mockito.doReturn(false).when(slurmLauncher).setupWorkingDirectory();
    Assert.assertFalse(slurmLauncher.launch(packingPlan));
    Mockito.verify(slurmLauncher).setupWorkingDirectory();
    // Failed to schedule
    Mockito.when(mockLauncherUtils.onScheduleAsLibrary(Mockito.any(Config.class), Mockito.any(Config.class), Mockito.any(IScheduler.class), Mockito.any(PackingPlan.class))).thenReturn(false);
    PowerMockito.doReturn(true).when(slurmLauncher).setupWorkingDirectory();
    Assert.assertFalse(slurmLauncher.launch(Mockito.mock(PackingPlan.class)));
    Mockito.verify(mockLauncherUtils).onScheduleAsLibrary(Mockito.any(Config.class), Mockito.any(Config.class), Mockito.any(IScheduler.class), Mockito.any(PackingPlan.class));
    // happy path
    Mockito.when(mockLauncherUtils.onScheduleAsLibrary(Mockito.any(Config.class), Mockito.any(Config.class), Mockito.any(IScheduler.class), Mockito.any(PackingPlan.class))).thenReturn(true);
    Assert.assertTrue(slurmLauncher.launch(Mockito.mock(PackingPlan.class)));
    Mockito.verify(slurmLauncher, Mockito.times(3)).launch(Mockito.any(PackingPlan.class));
    Mockito.verify(mockLauncherUtils, Mockito.times(2)).onScheduleAsLibrary(Mockito.any(Config.class), Mockito.any(Config.class), Mockito.any(IScheduler.class), Mockito.any(PackingPlan.class));
    slurmLauncher.close();
}

Example 19 with LauncherUtils

use of com.twitter.heron.scheduler.utils.LauncherUtils in project incubator-heron by apache.

the class SchedulerMain method runScheduler.

/**
 * Run the scheduler.
 * It is a blocking call, and it will return in 2 cases:
 * 1. The topology is requested to kill
 * 2. Unexpected exceptions happen
 *
 * @return true if scheduled successfully
 */
public boolean runScheduler() {
    IScheduler scheduler = null;
    String statemgrClass = Context.stateManagerClass(config);
    IStateManager statemgr;
    try {
        // create an instance of state manager
        statemgr = ReflectionUtils.newInstance(statemgrClass);
    } catch (IllegalAccessException | InstantiationException | ClassNotFoundException e) {
        LOG.log(Level.SEVERE, "Failed to instantiate instances using config: " + config, e);
        return false;
    }
    SchedulerServer server = null;
    boolean isSuccessful = false;
    // Put it in a try block so that we can always clean resources
    try {
        // initialize the state manager
        statemgr.initialize(config);
        // TODO(mfu): timeout should read from config
        SchedulerStateManagerAdaptor adaptor = new SchedulerStateManagerAdaptor(statemgr, 5000);
        // get a packed plan and schedule it
        PackingPlans.PackingPlan serializedPackingPlan = adaptor.getPackingPlan(topology.getName());
        if (serializedPackingPlan == null) {
            LOG.log(Level.SEVERE, "Failed to fetch PackingPlan for topology:{0} from the state manager", topology.getName());
            return false;
        }
        LOG.log(Level.INFO, "Packing plan fetched from state: {0}", serializedPackingPlan);
        PackingPlan packedPlan = new PackingPlanProtoDeserializer().fromProto(serializedPackingPlan);
        // build the runtime config
        LauncherUtils launcherUtils = LauncherUtils.getInstance();
        Config runtime = Config.newBuilder().putAll(launcherUtils.createPrimaryRuntime(topology)).putAll(launcherUtils.createAdaptorRuntime(adaptor)).put(Key.SCHEDULER_SHUTDOWN, getShutdown()).put(Key.SCHEDULER_PROPERTIES, properties).build();
        Config ytruntime = launcherUtils.createConfigWithPackingDetails(runtime, packedPlan);
        // invoke scheduler
        scheduler = launcherUtils.getSchedulerInstance(config, ytruntime);
        if (scheduler == null) {
            return false;
        }
        isSuccessful = scheduler.onSchedule(packedPlan);
        if (!isSuccessful) {
            LOG.severe("Failed to schedule topology");
            return false;
        }
        // Failures in server initialization throw exceptions
        // get the scheduler server endpoint for receiving requests
        server = getServer(ytruntime, scheduler, schedulerServerPort);
        // start the server to manage runtime requests
        server.start();
        // write the scheduler location to state manager
        // Make sure it happens after IScheduler.onScheduler
        isSuccessful = SchedulerUtils.setSchedulerLocation(runtime, String.format("%s:%d", server.getHost(), server.getPort()), scheduler);
        if (isSuccessful) {
            // wait until kill request or some interrupt occurs if the scheduler starts successfully
            LOG.info("Waiting for termination... ");
            Runtime.schedulerShutdown(ytruntime).await();
        }
    } catch (IOException e) {
        LOG.log(Level.SEVERE, "Failed to start server", e);
        return false;
    } finally {
        // Clean the resources
        if (server != null) {
            server.stop();
        }
        // 4. Close the resources
        SysUtils.closeIgnoringExceptions(scheduler);
        SysUtils.closeIgnoringExceptions(statemgr);
    }
    return isSuccessful;
}