C++ Future::has_slave_id方法代码示例

// This test ensures that the driver handles an empty slave id
// in an acknowledgement message by dropping it. The driver will
// log an error in this case (but we don't test for that). We
// generate a status with no slave id by performing reconciliation.
TEST_F(MesosSchedulerDriverTest, ExplicitAcknowledgementsUnsetSlaveID)
{
  Try<Owned<cluster::Master>> master = StartMaster();
  ASSERT_SOME(master);

  MockScheduler sched;
  MesosSchedulerDriver driver(
      &sched,
      DEFAULT_FRAMEWORK_INFO,
      master.get()->pid,
      false,
      DEFAULT_CREDENTIAL);

  Future<Nothing> registered;
  EXPECT_CALL(sched, registered(&driver, _, _))
    .WillOnce(FutureSatisfy(&registered));

  // Ensure no status update acknowledgements are sent to the master.
  EXPECT_NO_FUTURE_CALLS(
      mesos::scheduler::Call(),
      mesos::scheduler::Call::ACKNOWLEDGE,
      _ ,
      master.get()->pid);

  driver.start();

  AWAIT_READY(registered);

  Future<TaskStatus> update;
  EXPECT_CALL(sched, statusUpdate(&driver, _))
    .WillOnce(FutureArg<1>(&update));

  // Peform reconciliation without using a slave id.
  vector<TaskStatus> statuses;

  TaskStatus status;
  status.mutable_task_id()->set_value("foo");
  status.set_state(TASK_RUNNING);

  statuses.push_back(status);

  driver.reconcileTasks(statuses);

  AWAIT_READY(update);
  ASSERT_EQ(TASK_LOST, update->state());
  ASSERT_EQ(TaskStatus::SOURCE_MASTER, update->source());
  ASSERT_EQ(TaskStatus::REASON_RECONCILIATION, update->reason());
  ASSERT_FALSE(update->has_slave_id());

  // Now send the acknowledgement.
  driver.acknowledgeStatusUpdate(update.get());

  // Settle the clock to ensure driver processes the acknowledgement,
  // which should get dropped due to the missing slave id.
  Clock::pause();
  Clock::settle();

  driver.stop();
  driver.join();
}

// This test ensures that driver based schedulers using explicit
// acknowledgements can acknowledge status updates sent from
// HTTP based executors.
TEST_F_TEMP_DISABLED_ON_WINDOWS(
    HTTPCommandExecutorTest,
    ExplicitAcknowledgements)
{
  Try<Owned<cluster::Master>> master = StartMaster();
  ASSERT_SOME(master);

  Owned<MasterDetector> detector = master.get()->createDetector();

  slave::Flags flags = CreateSlaveFlags();
  flags.http_command_executor = true;

  Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
  ASSERT_SOME(slave);

  MockScheduler sched;
  MesosSchedulerDriver driver(
      &sched,
      DEFAULT_FRAMEWORK_INFO,
      master.get()->pid,
      false,
      DEFAULT_CREDENTIAL);

  EXPECT_CALL(sched, registered(&driver, _, _));

  Future<vector<Offer>> offers;
  EXPECT_CALL(sched, resourceOffers(&driver, _))
    .WillOnce(FutureArg<1>(&offers))
    .WillRepeatedly(Return()); // Ignore subsequent offers.

  driver.start();

  AWAIT_READY(offers);
  EXPECT_EQ(1u, offers->size());

  // Launch a task with the command executor.
  TaskInfo task = createTask(
      offers->front().slave_id(),
      offers->front().resources(),
      "sleep 1000");

  Future<TaskStatus> statusRunning;
  EXPECT_CALL(sched, statusUpdate(_, _))
    .WillOnce(FutureArg<1>(&statusRunning));

  // Ensure no status update acknowledgements are sent from the driver
  // to the master until the explicit acknowledgement is sent.
  EXPECT_NO_FUTURE_CALLS(
      mesos::scheduler::Call(),
      mesos::scheduler::Call::ACKNOWLEDGE,
      _ ,
      master.get()->pid);

  driver.launchTasks(offers->front().id(), {task});

  AWAIT_READY(statusRunning);
  EXPECT_TRUE(statusRunning->has_slave_id());
  EXPECT_EQ(TASK_RUNNING, statusRunning->state());

  // Now send the acknowledgement.
  Future<mesos::scheduler::Call> acknowledgement = FUTURE_CALL(
      mesos::scheduler::Call(),
      mesos::scheduler::Call::ACKNOWLEDGE,
      _,
      master.get()->pid);

  driver.acknowledgeStatusUpdate(statusRunning.get());

  AWAIT_READY(acknowledgement);

  driver.stop();
  driver.join();
}