@Test
public void testStorageException() {
IScheduledTask task = makeTask("a", PENDING);
TaskInfo mesosTask =
TaskInfo.newBuilder()
.setName(Tasks.id(task))
.setTaskId(TaskID.newBuilder().setValue(Tasks.id(task)))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId"))
.build();
Capture<Runnable> timeoutCapture = expectTaskGroupBackoff(10);
expectAnyMaintenanceCalls();
expectOfferDeclineIn(10);
expect(assigner.maybeAssign(OFFER_A, task)).andThrow(new StorageException("Injected failure."));
Capture<Runnable> timeoutCapture2 = expectTaskGroupBackoff(10, 20);
expect(preemptor.findPreemptionSlotFor("a")).andReturn(Optional.<String>absent());
expect(assigner.maybeAssign(OFFER_A, task)).andReturn(Optional.of(mesosTask));
driver.launchTask(OFFER_A.getId(), mesosTask);
expectLastCall();
replayAndCreateScheduler();
changeState(task, INIT, PENDING);
offerQueue.addOffer(OFFER_A);
timeoutCapture.getValue().run();
timeoutCapture2.getValue().run();
}
private TaskInfo makeTaskInfo(IScheduledTask task) {
return TaskInfo.newBuilder()
.setName(Tasks.id(task))
.setTaskId(TaskID.newBuilder().setValue(Tasks.id(task)))
.setSlaveId(SlaveID.newBuilder().setValue("slave-id" + task.toString()))
.build();
}
@Test
public void testDriverNotReady() {
IScheduledTask task = makeTask("a", PENDING);
TaskInfo mesosTask =
TaskInfo.newBuilder()
.setName(Tasks.id(task))
.setTaskId(TaskID.newBuilder().setValue(Tasks.id(task)))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId"))
.build();
Capture<Runnable> timeoutCapture = expectTaskGroupBackoff(10);
expectAnyMaintenanceCalls();
expectOfferDeclineIn(10);
expect(assigner.maybeAssign(OFFER_A, task)).andReturn(Optional.of(mesosTask));
driver.launchTask(OFFER_A.getId(), mesosTask);
expectLastCall().andThrow(new IllegalStateException("Driver not ready."));
expect(
stateManager.changeState(
Query.taskScoped("a").byStatus(PENDING), LOST, TaskScheduler.LAUNCH_FAILED_MSG))
.andReturn(1);
replayAndCreateScheduler();
changeState(task, INIT, PENDING);
offerQueue.addOffer(OFFER_A);
timeoutCapture.getValue().run();
}
public static Offer makeOffer(String offerId, String hostName) {
return Offer.newBuilder()
.setId(OfferID.newBuilder().setValue(offerId))
.setFrameworkId(FrameworkID.newBuilder().setValue("framework_id"))
.setSlaveId(SlaveID.newBuilder().setValue("slave_id-" + offerId))
.setHostname(hostName)
.build();
}
@Override
public void executorLost(SchedulerDriver driver, ExecutorID executor, SlaveID slave, int status) {
LOG.warn(
"Mesos Executor lost: executor: {} slave: {} status: {}",
executor.getValue(),
slave.getValue(),
status);
}
@Test
public void testAssignerDoesNotReturnOnFirstMismatch() throws Exception {
// Ensures scheduling loop does not terminate prematurely when the first mismatch is identified.
HostOffer mismatched =
new HostOffer(
Offer.newBuilder()
.setId(OfferID.newBuilder().setValue("offerId0"))
.setFrameworkId(FrameworkID.newBuilder().setValue("frameworkId"))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId0"))
.setHostname("hostName0")
.addResources(
Resource.newBuilder()
.setName("ports")
.setType(Type.RANGES)
.setRanges(
Ranges.newBuilder()
.addRange(Range.newBuilder().setBegin(PORT).setEnd(PORT))))
.build(),
IHostAttributes.build(new HostAttributes()));
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(mismatched, OFFER));
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT).times(2);
expect(
filter.filter(
new UnusedResource(
Resources.from(mismatched.getOffer()).slot(), mismatched.getAttributes()),
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY)))
.andReturn(ImmutableSet.of(Veto.constraintMismatch("constraint mismatch")));
offerManager.banOffer(mismatched.getOffer().getId(), GROUP_KEY);
expect(
filter.filter(
new UnusedResource(Resources.from(OFFER.getOffer()).slot(), OFFER.getAttributes()),
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY)))
.andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
OFFER.getOffer().getHostname(),
OFFER.getOffer().getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(taskFactory.createFrom(TASK.getAssignedTask(), OFFER.getOffer().getSlaveId()))
.andReturn(TASK_INFO);
offerManager.launchTask(OFFER.getOffer().getId(), TASK_INFO);
control.replay();
assertTrue(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
ImmutableMap.of(SLAVE_ID, GROUP_KEY)));
}
public void slaveLost(SlaveID slaveIdObj) {
final String slaveId = slaveIdObj.getValue();
Optional<SingularitySlave> slave = slaveManager.getObject(slaveId);
if (slave.isPresent()) {
slaveManager.changeState(slave.get(), MachineState.DEAD, Optional.<String>absent());
checkRackAfterSlaveLoss(slave.get());
} else {
LOG.warn("Lost a slave {}, but didn't know about it", slaveId);
}
}
@Test
public void testTaskWithReservedSlaveLandsElsewhere() throws Exception {
// Ensures slave/task reservation relationship is only enforced in slave->task direction
// and permissive in task->slave direction. In other words, a task with a slave reservation
// should still be tried against other unreserved slaves.
HostOffer offer =
new HostOffer(
Offer.newBuilder()
.setId(OfferID.newBuilder().setValue("offerId0"))
.setFrameworkId(FrameworkID.newBuilder().setValue("frameworkId"))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId0"))
.setHostname("hostName0")
.addResources(
Resource.newBuilder()
.setName("ports")
.setType(Type.RANGES)
.setRanges(
Ranges.newBuilder()
.addRange(Range.newBuilder().setBegin(PORT).setEnd(PORT))))
.build(),
IHostAttributes.build(new HostAttributes()));
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(offer, OFFER));
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT);
expect(filter.filter(UNUSED, RESOURCE_REQUEST)).andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
offer.getOffer().getHostname(),
offer.getOffer().getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(taskFactory.createFrom(TASK.getAssignedTask(), offer.getOffer().getSlaveId()))
.andReturn(TASK_INFO);
offerManager.launchTask(offer.getOffer().getId(), TASK_INFO);
control.replay();
assertTrue(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
ImmutableMap.of(SLAVE_ID, GROUP_KEY)));
}
@Override
public void slaveLost(SchedulerDriver driver, SlaveID id) {
LOG.warn("Lost slave id: {}", id.getValue());
}
public class TaskAssignerImplTest extends EasyMockTest {
private static final int PORT = 5000;
private static final String SLAVE_ID = "slaveId";
private static final Offer MESOS_OFFER =
Offer.newBuilder()
.setId(OfferID.newBuilder().setValue("offerId"))
.setFrameworkId(FrameworkID.newBuilder().setValue("frameworkId"))
.setSlaveId(SlaveID.newBuilder().setValue(SLAVE_ID))
.setHostname("hostName")
.addResources(
Resource.newBuilder()
.setName("ports")
.setType(Type.RANGES)
.setRanges(
Ranges.newBuilder().addRange(Range.newBuilder().setBegin(PORT).setEnd(PORT))))
.build();
private static final HostOffer OFFER =
new HostOffer(MESOS_OFFER, IHostAttributes.build(new HostAttributes()));
private static final String PORT_NAME = "http";
private static final IScheduledTask TASK =
IScheduledTask.build(
new ScheduledTask()
.setAssignedTask(
new AssignedTask()
.setTaskId("taskId")
.setTask(
new TaskConfig()
.setJob(new JobKey("r", "e", "n"))
.setExecutorConfig(new ExecutorConfig().setData("opaque data"))
.setRequestedPorts(ImmutableSet.of(PORT_NAME)))));
private static final TaskGroupKey GROUP_KEY = TaskGroupKey.from(TASK.getAssignedTask().getTask());
private static final TaskInfo TASK_INFO =
TaskInfo.newBuilder()
.setName("taskName")
.setTaskId(TaskID.newBuilder().setValue(Tasks.id(TASK)))
.setSlaveId(MESOS_OFFER.getSlaveId())
.build();
private static final Map<String, TaskGroupKey> NO_RESERVATION = ImmutableMap.of();
private static final UnusedResource UNUSED =
new UnusedResource(Resources.from(MESOS_OFFER).slot(), OFFER.getAttributes());
private static final ResourceRequest RESOURCE_REQUEST =
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY);
private MutableStoreProvider storeProvider;
private StateManager stateManager;
private SchedulingFilter filter;
private MesosTaskFactory taskFactory;
private OfferManager offerManager;
private TaskAssigner assigner;
private TierManager tierManager;
@Before
public void setUp() throws Exception {
storeProvider = createMock(MutableStoreProvider.class);
filter = createMock(SchedulingFilter.class);
taskFactory = createMock(MesosTaskFactory.class);
stateManager = createMock(StateManager.class);
offerManager = createMock(OfferManager.class);
tierManager = createMock(TierManager.class);
assigner = new TaskAssignerImpl(stateManager, filter, taskFactory, offerManager, tierManager);
}
@Test
public void testAssignNoVetoes() throws Exception {
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(OFFER));
offerManager.launchTask(MESOS_OFFER.getId(), TASK_INFO);
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT);
expect(filter.filter(UNUSED, RESOURCE_REQUEST)).andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
MESOS_OFFER.getHostname(),
MESOS_OFFER.getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(taskFactory.createFrom(TASK.getAssignedTask(), MESOS_OFFER.getSlaveId()))
.andReturn(TASK_INFO);
control.replay();
assertTrue(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
ImmutableMap.of(SLAVE_ID, GROUP_KEY)));
}
@Test
public void testAssignVetoesWithStaticBan() throws Exception {
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(OFFER));
offerManager.banOffer(MESOS_OFFER.getId(), GROUP_KEY);
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT);
expect(filter.filter(UNUSED, RESOURCE_REQUEST))
.andReturn(ImmutableSet.of(Veto.constraintMismatch("denied")));
control.replay();
assertFalse(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
NO_RESERVATION));
}
@Test
public void testAssignVetoesWithNoStaticBan() throws Exception {
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(OFFER));
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT);
expect(filter.filter(UNUSED, RESOURCE_REQUEST))
.andReturn(ImmutableSet.of(Veto.unsatisfiedLimit("limit")));
control.replay();
assertFalse(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
NO_RESERVATION));
}
@Test
public void testAssignmentClearedOnError() throws Exception {
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(OFFER));
offerManager.launchTask(MESOS_OFFER.getId(), TASK_INFO);
expectLastCall().andThrow(new OfferManager.LaunchException("expected"));
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT);
expect(filter.filter(UNUSED, RESOURCE_REQUEST)).andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
MESOS_OFFER.getHostname(),
MESOS_OFFER.getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(
stateManager.changeState(
storeProvider, Tasks.id(TASK), Optional.of(PENDING), LOST, LAUNCH_FAILED_MSG))
.andReturn(StateChangeResult.SUCCESS);
expect(taskFactory.createFrom(TASK.getAssignedTask(), MESOS_OFFER.getSlaveId()))
.andReturn(TASK_INFO);
control.replay();
assertFalse(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
NO_RESERVATION));
}
@Test
public void testAssignmentSkippedForReservedSlave() throws Exception {
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(OFFER));
control.replay();
assertFalse(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
ImmutableMap.of(
SLAVE_ID,
TaskGroupKey.from(
ITaskConfig.build(new TaskConfig().setJob(new JobKey("other", "e", "n")))))));
}
@Test
public void testTaskWithReservedSlaveLandsElsewhere() throws Exception {
// Ensures slave/task reservation relationship is only enforced in slave->task direction
// and permissive in task->slave direction. In other words, a task with a slave reservation
// should still be tried against other unreserved slaves.
HostOffer offer =
new HostOffer(
Offer.newBuilder()
.setId(OfferID.newBuilder().setValue("offerId0"))
.setFrameworkId(FrameworkID.newBuilder().setValue("frameworkId"))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId0"))
.setHostname("hostName0")
.addResources(
Resource.newBuilder()
.setName("ports")
.setType(Type.RANGES)
.setRanges(
Ranges.newBuilder()
.addRange(Range.newBuilder().setBegin(PORT).setEnd(PORT))))
.build(),
IHostAttributes.build(new HostAttributes()));
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(offer, OFFER));
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT);
expect(filter.filter(UNUSED, RESOURCE_REQUEST)).andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
offer.getOffer().getHostname(),
offer.getOffer().getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(taskFactory.createFrom(TASK.getAssignedTask(), offer.getOffer().getSlaveId()))
.andReturn(TASK_INFO);
offerManager.launchTask(offer.getOffer().getId(), TASK_INFO);
control.replay();
assertTrue(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
ImmutableMap.of(SLAVE_ID, GROUP_KEY)));
}
@Test
public void testAssignerDoesNotReturnOnFirstMismatch() throws Exception {
// Ensures scheduling loop does not terminate prematurely when the first mismatch is identified.
HostOffer mismatched =
new HostOffer(
Offer.newBuilder()
.setId(OfferID.newBuilder().setValue("offerId0"))
.setFrameworkId(FrameworkID.newBuilder().setValue("frameworkId"))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId0"))
.setHostname("hostName0")
.addResources(
Resource.newBuilder()
.setName("ports")
.setType(Type.RANGES)
.setRanges(
Ranges.newBuilder()
.addRange(Range.newBuilder().setBegin(PORT).setEnd(PORT))))
.build(),
IHostAttributes.build(new HostAttributes()));
expect(offerManager.getOffers(GROUP_KEY)).andReturn(ImmutableSet.of(mismatched, OFFER));
expect(tierManager.getTier(TASK.getAssignedTask().getTask())).andReturn(DEFAULT).times(2);
expect(
filter.filter(
new UnusedResource(
Resources.from(mismatched.getOffer()).slot(), mismatched.getAttributes()),
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY)))
.andReturn(ImmutableSet.of(Veto.constraintMismatch("constraint mismatch")));
offerManager.banOffer(mismatched.getOffer().getId(), GROUP_KEY);
expect(
filter.filter(
new UnusedResource(Resources.from(OFFER.getOffer()).slot(), OFFER.getAttributes()),
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY)))
.andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
OFFER.getOffer().getHostname(),
OFFER.getOffer().getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(taskFactory.createFrom(TASK.getAssignedTask(), OFFER.getOffer().getSlaveId()))
.andReturn(TASK_INFO);
offerManager.launchTask(OFFER.getOffer().getId(), TASK_INFO);
control.replay();
assertTrue(
assigner.maybeAssign(
storeProvider,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
TaskGroupKey.from(TASK.getAssignedTask().getTask()),
Tasks.id(TASK),
ImmutableMap.of(SLAVE_ID, GROUP_KEY)));
}
}
public class TaskAssignerImplTest extends EasyMockTest {
private static final int PORT = 5000;
private static final Offer MESOS_OFFER =
Offer.newBuilder()
.setId(OfferID.newBuilder().setValue("offerId"))
.setFrameworkId(FrameworkID.newBuilder().setValue("frameworkId"))
.setSlaveId(SlaveID.newBuilder().setValue("slaveId"))
.setHostname("hostName")
.addResources(
Resource.newBuilder()
.setName("ports")
.setType(Type.RANGES)
.setRanges(
Ranges.newBuilder().addRange(Range.newBuilder().setBegin(PORT).setEnd(PORT))))
.build();
private static final HostOffer OFFER =
new HostOffer(MESOS_OFFER, IHostAttributes.build(new HostAttributes()));
private static final String PORT_NAME = "http";
private static final IScheduledTask TASK =
IScheduledTask.build(
new ScheduledTask()
.setAssignedTask(
new AssignedTask()
.setTaskId("taskId")
.setTask(
new TaskConfig()
.setExecutorConfig(new ExecutorConfig().setData("opaque data"))
.setRequestedPorts(ImmutableSet.of(PORT_NAME)))));
private static final TaskInfo TASK_INFO =
TaskInfo.newBuilder()
.setName("taskName")
.setTaskId(TaskID.newBuilder().setValue(Tasks.id(TASK)))
.setSlaveId(MESOS_OFFER.getSlaveId())
.build();
private MutableStoreProvider storeProvider;
private StateManager stateManager;
private SchedulingFilter filter;
private MesosTaskFactory taskFactory;
private TaskAssigner assigner;
@Before
public void setUp() throws Exception {
storeProvider = createMock(MutableStoreProvider.class);
stateManager = createMock(StateManager.class);
filter = createMock(SchedulingFilter.class);
taskFactory = createMock(MesosTaskFactory.class);
assigner = new TaskAssignerImpl(stateManager, filter, taskFactory);
}
@Test
public void testAssignNoVetoes() {
expect(
filter.filter(
new UnusedResource(ResourceSlot.from(MESOS_OFFER), OFFER.getAttributes()),
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY)))
.andReturn(ImmutableSet.of());
expect(
stateManager.assignTask(
storeProvider,
Tasks.id(TASK),
MESOS_OFFER.getHostname(),
MESOS_OFFER.getSlaveId(),
ImmutableMap.of(PORT_NAME, PORT)))
.andReturn(TASK.getAssignedTask());
expect(taskFactory.createFrom(TASK.getAssignedTask(), MESOS_OFFER.getSlaveId()))
.andReturn(TASK_INFO);
control.replay();
assertEquals(
Assignment.success(TASK_INFO),
assigner.maybeAssign(
storeProvider,
OFFER,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
Tasks.id(TASK)));
}
@Test
public void testAssignVetoes() {
expect(
filter.filter(
new UnusedResource(ResourceSlot.from(MESOS_OFFER), OFFER.getAttributes()),
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY)))
.andReturn(ImmutableSet.of(Veto.constraintMismatch("denied")));
control.replay();
assertEquals(
Assignment.failure(ImmutableSet.of(Veto.constraintMismatch("denied"))),
assigner.maybeAssign(
storeProvider,
OFFER,
new ResourceRequest(TASK.getAssignedTask().getTask(), EMPTY),
Tasks.id(TASK)));
}
}