Method fetch

src/slave/containerizer/mesos/containerizer.cpp:1618–1652

Future<Nothing> MesosContainerizerProcess::fetch(
    const ContainerID& containerId)
{
  if (!containers_.contains(containerId)) {
    return Failure("Container destroyed during isolating");
  }

  const Owned<Container>& container = containers_.at(containerId);

  if (container->state == DESTROYING) {
    return Failure("Container is being destroyed during isolating");
  }

  CHECK_EQ(container->state, ISOLATING);

  transition(containerId, FETCHING);

  CHECK_SOME(container->config);

  const string directory = container->config->directory();

  return fetcher->fetch(
      containerId,
      container->config->command_info(),
      directory,
      container->config->has_user()
        ? container->config->user()
        : Option<string>::none())
    .then([=]() -> Future<Nothing> {
      if (HookManager::hooksAvailable()) {
        HookManager::slavePostFetchHook(containerId, directory);
      }
      return Nothing();
    });
}


Future<Containerizer::LaunchResult> MesosContainerizerProcess::_launch(