C++ Future::executor_id方法代码示例

// Tests that the default container logger writes files into the sandbox.
TEST_F(ContainerLoggerTest, DefaultToSandbox)
{
  // Create a master, agent, and framework.
  Try<PID<Master>> master = StartMaster();
  ASSERT_SOME(master);

  Future<SlaveRegisteredMessage> slaveRegisteredMessage =
    FUTURE_PROTOBUF(SlaveRegisteredMessage(), _, _);

  // We'll need access to these flags later.
  slave::Flags flags = CreateSlaveFlags();

  Fetcher fetcher;

  // We use an actual containerizer + executor since we want something to run.
  Try<MesosContainerizer*> containerizer =
    MesosContainerizer::create(flags, false, &fetcher);
  CHECK_SOME(containerizer);

  Try<PID<Slave>> slave = StartSlave(containerizer.get(), flags);
  ASSERT_SOME(slave);

  AWAIT_READY(slaveRegisteredMessage);
  SlaveID slaveId = slaveRegisteredMessage.get().slave_id();

  MockScheduler sched;
  MesosSchedulerDriver driver(
      &sched, DEFAULT_FRAMEWORK_INFO, master.get(), DEFAULT_CREDENTIAL);

  Future<FrameworkID> frameworkId;
  EXPECT_CALL(sched, registered(&driver, _, _))
    .WillOnce(FutureArg<1>(&frameworkId));

  // Wait for an offer, and start a task.
  Future<vector<Offer>> offers;
  EXPECT_CALL(sched, resourceOffers(&driver, _))
    .WillOnce(FutureArg<1>(&offers))
    .WillRepeatedly(Return()); // Ignore subsequent offers.

  driver.start();
  AWAIT_READY(frameworkId);

  AWAIT_READY(offers);
  EXPECT_NE(0u, offers.get().size());

  // We'll start a task that outputs to stdout.
  TaskInfo task = createTask(offers.get()[0], "echo 'Hello World!'");

  Future<TaskStatus> status;
  EXPECT_CALL(sched, statusUpdate(&driver, _))
    .WillOnce(FutureArg<1>(&status))
    .WillRepeatedly(Return());       // Ignore subsequent updates.

  driver.launchTasks(offers.get()[0].id(), {task});

  AWAIT_READY(status);
  EXPECT_EQ(TASK_RUNNING, status.get().state());

  // Check that the sandbox was written to.
  string sandboxDirectory = path::join(
      slave::paths::getExecutorPath(
          flags.work_dir,
          slaveId,
          frameworkId.get(),
          status->executor_id()),
      "runs",
      "latest");

  ASSERT_TRUE(os::exists(sandboxDirectory));

  string stdoutPath = path::join(sandboxDirectory, "stdout");
  ASSERT_TRUE(os::exists(stdoutPath));

  Result<string> stdout = os::read(stdoutPath);
  ASSERT_SOME(stdout);
  EXPECT_TRUE(strings::contains(stdout.get(), "Hello World!"));

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

  Shutdown();
}

// Tests that the packaged logrotate container logger writes files into the
// sandbox and keeps them at a reasonable size.
TEST_F(ContainerLoggerTest, LOGROTATE_RotateInSandbox)
{
  // Create a master, agent, and framework.
  Try<PID<Master>> master = StartMaster();
  ASSERT_SOME(master);

  Future<SlaveRegisteredMessage> slaveRegisteredMessage =
    FUTURE_PROTOBUF(SlaveRegisteredMessage(), _, _);

  // We'll need access to these flags later.
  slave::Flags flags = CreateSlaveFlags();

  // Use the non-default container logger that rotates logs.
  flags.container_logger = LOGROTATE_CONTAINER_LOGGER_NAME;

  Fetcher fetcher;

  // We use an actual containerizer + executor since we want something to run.
  Try<MesosContainerizer*> containerizer =
    MesosContainerizer::create(flags, false, &fetcher);
  CHECK_SOME(containerizer);

  Try<PID<Slave>> slave = StartSlave(containerizer.get(), flags);
  ASSERT_SOME(slave);

  AWAIT_READY(slaveRegisteredMessage);
  SlaveID slaveId = slaveRegisteredMessage.get().slave_id();

  MockScheduler sched;
  MesosSchedulerDriver driver(
      &sched, DEFAULT_FRAMEWORK_INFO, master.get(), DEFAULT_CREDENTIAL);

  Future<FrameworkID> frameworkId;
  EXPECT_CALL(sched, registered(&driver, _, _))
    .WillOnce(FutureArg<1>(&frameworkId));

  // Wait for an offer, and start a task.
  Future<vector<Offer>> offers;
  EXPECT_CALL(sched, resourceOffers(&driver, _))
    .WillOnce(FutureArg<1>(&offers))
    .WillRepeatedly(Return()); // Ignore subsequent offers.

  driver.start();
  AWAIT_READY(frameworkId);

  AWAIT_READY(offers);
  EXPECT_NE(0u, offers.get().size());

  // Start a task that spams stdout with 11 MB of (mostly blank) output.
  // The logrotate container logger module is loaded with parameters that limit
  // the log size to five files of 2 MB each.  After the task completes, there
  // should be five files with a total size of 9 MB.  The first 2 MB file
  // should have been deleted.  The "stdout" file should be 1 MB large.
  TaskInfo task = createTask(
      offers.get()[0],
      "i=0; while [ $i -lt 11264 ]; "
      "do printf '%-1024d\\n' $i; i=$((i+1)); done");

  Future<TaskStatus> statusRunning;
  Future<TaskStatus> statusFinished;
  EXPECT_CALL(sched, statusUpdate(&driver, _))
    .WillOnce(FutureArg<1>(&statusRunning))
    .WillOnce(FutureArg<1>(&statusFinished))
    .WillRepeatedly(Return());       // Ignore subsequent updates.

  driver.launchTasks(offers.get()[0].id(), {task});

  AWAIT_READY(statusRunning);
  EXPECT_EQ(TASK_RUNNING, statusRunning.get().state());

  AWAIT_READY(statusFinished);
  EXPECT_EQ(TASK_FINISHED, statusFinished.get().state());

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

  Shutdown();

  // The `LogrotateContainerLogger` spawns some `mesos-logrotate-logger`
  // processes above, which continue running briefly after the container exits.
  // Once they finish reading the container's pipe, they should exit.
  Try<os::ProcessTree> pstrees = os::pstree(0);
  ASSERT_SOME(pstrees);
  foreach (const os::ProcessTree& pstree, pstrees.get().children) {
    ASSERT_EQ(pstree.process.pid, waitpid(pstree.process.pid, NULL, 0));
  }

  // Check for the expected log rotation.
  string sandboxDirectory = path::join(
      slave::paths::getExecutorPath(
          flags.work_dir,
          slaveId,
          frameworkId.get(),
          statusRunning->executor_id()),
      "runs",
      "latest");

  ASSERT_TRUE(os::exists(sandboxDirectory));
//.........这里部分代码省略.........