C++ TaskInfo::has_executor方法代码示例

// TODO(bmahler): Expose the executor name / source.
JSON::Object model(
    const TaskInfo& task,
    const FrameworkID& frameworkId,
    const TaskState& state,
    const vector<TaskStatus>& statuses)
{
  JSON::Object object;
  object.values["id"] = task.task_id().value();
  object.values["name"] = task.name();
  object.values["framework_id"] = frameworkId.value();

  if (task.has_executor()) {
    object.values["executor_id"] = task.executor().executor_id().value();
  } else {
    object.values["executor_id"] = "";
  }

  object.values["slave_id"] = task.slave_id().value();
  object.values["state"] = TaskState_Name(state);
  object.values["resources"] = model(task.resources());

  JSON::Array array;
  foreach (const TaskStatus& status, statuses) {
    array.values.push_back(model(status));
  }

Task createTask(
    const TaskInfo& task,
    const TaskState& state,
    const FrameworkID& frameworkId)
{
  Task t;
  t.mutable_framework_id()->MergeFrom(frameworkId);
  t.set_state(state);
  t.set_name(task.name());
  t.mutable_task_id()->MergeFrom(task.task_id());
  t.mutable_slave_id()->MergeFrom(task.slave_id());
  t.mutable_resources()->MergeFrom(task.resources());

  if (task.has_executor()) {
    t.mutable_executor_id()->CopyFrom(task.executor().executor_id());
  }

  t.mutable_labels()->MergeFrom(task.labels());

  if (task.has_discovery()) {
    t.mutable_discovery()->MergeFrom(task.discovery());
  }

  return t;
}

Task createTask(
    const TaskInfo& task,
    const TaskState& state,
    const FrameworkID& frameworkId)
{
  Task t;
  t.mutable_framework_id()->CopyFrom(frameworkId);
  t.set_state(state);
  t.set_name(task.name());
  t.mutable_task_id()->CopyFrom(task.task_id());
  t.mutable_slave_id()->CopyFrom(task.slave_id());
  t.mutable_resources()->CopyFrom(task.resources());

  if (task.has_executor()) {
    t.mutable_executor_id()->CopyFrom(task.executor().executor_id());
  }

  if (task.has_labels()) {
    t.mutable_labels()->CopyFrom(task.labels());
  }

  if (task.has_discovery()) {
    t.mutable_discovery()->CopyFrom(task.discovery());
  }

  if (task.has_container()) {
    t.mutable_container()->CopyFrom(task.container());
  }

  // Copy `user` if set.
  if (task.has_command() && task.command().has_user()) {
    t.set_user(task.command().user());
  } else if (task.has_executor() && task.executor().command().has_user()) {
    t.set_user(task.executor().command().user());
  }

  return t;
}

Future<ExecutorInfo> ExternalContainerizerProcess::launch(
    const ContainerID& containerId,
    const TaskInfo& taskInfo,
    const FrameworkID& frameworkId,
    const std::string& directory,
    const Option<std::string>& user,
    const SlaveID& slaveId,
    const PID<Slave>& slavePid,
    bool checkpoint)
{
  LOG(INFO) << "Launching container '" << containerId << "'";

  // Get the executor from our task. If no executor is associated with
  // the given task, this function renders an ExecutorInfo using the
  // mesos-executor as its command.
  ExecutorInfo executor = containerExecutorInfo(flags, taskInfo, frameworkId);
  executor.mutable_resources()->MergeFrom(taskInfo.resources());

  if (containers.contains(containerId)) {
    return Failure("Cannot start already running container '"
      + containerId.value() + "'");
  }

  sandboxes.put(containerId, Owned<Sandbox>(new Sandbox(directory, user)));

  map<string, string> environment = executorEnvironment(
      executor,
      directory,
      slaveId,
      slavePid,
      checkpoint,
      flags.recovery_timeout);

  if (!flags.hadoop_home.empty()) {
    environment["HADOOP_HOME"] = flags.hadoop_home;
  }

  TaskInfo task;
  task.CopyFrom(taskInfo);
  CommandInfo* command = task.has_executor()
    ? task.mutable_executor()->mutable_command()
    : task.mutable_command();
  // When the selected command has no container attached, use the
  // default from the slave startup flags, if available.
  if (!command->has_container()) {
    if (flags.default_container_image.isSome()) {
      command->mutable_container()->set_image(
          flags.default_container_image.get());
    } else {
      LOG(INFO) << "No container specified in task and no default given. "
                << "The external containerizer will have to fill in "
                << "defaults.";
    }
  }

  ExternalTask external;
  external.mutable_task()->CopyFrom(task);
  external.set_mesos_executor_path(
      path::join(flags.launcher_dir, "mesos-executor"));

  stringstream output;
  external.SerializeToOstream(&output);

  Try<Subprocess> invoked = invoke(
      "launch",
      containerId,
      output.str(),
      environment);

  if (invoked.isError()) {
    return Failure("Launch of container '" + containerId.value()
      + "' failed (error: " + invoked.error() + ")");
  }

  // Record the process.
  containers.put(
      containerId,
      Owned<Container>(new Container(invoked.get().pid())));

  VLOG(2) << "Now awaiting data from pipe...";

  // Read from the result-pipe and invoke callbacks when reaching EOF.
  return await(read(invoked.get().out()), invoked.get().status())
    .then(defer(
        PID<ExternalContainerizerProcess>(this),
        &ExternalContainerizerProcess::_launch,
        containerId,
        frameworkId,
        executor,
        slaveId,
        checkpoint,
        lambda::_1));
}