Function TEST_F

src/tests/containerizer/linux_filesystem_isolator_tests.cpp:105–146

This test verifies that the root filesystem of the container is properly changed to the one that's provisioned by the provisioner.

// This test verifies that the root filesystem of the container is
// properly changed to the one that's provisioned by the provisioner.
TEST_F(LinuxFilesystemIsolatorTest, ROOT_ChangeRootFilesystem)
{
  AWAIT_READY(DockerArchive::create(GetRegistryPath(), "test_image"));

  slave::Flags flags = CreateSlaveFlags();

  Fetcher fetcher(flags);

  Try<MesosContainerizer*> create =
    MesosContainerizer::create(flags, true, &fetcher);

  ASSERT_SOME(create);

  Owned<Containerizer> containerizer(create.get());

  ContainerID containerId;
  containerId.set_value(id::UUID::random().toString());

  ExecutorInfo executor = createExecutorInfo(
      "test_executor",
      "[ ! -d '" + sandbox.get() + "' ]");

  executor.mutable_container()->CopyFrom(createContainerInfo("test_image"));

  string directory = path::join(flags.work_dir, "sandbox");
  ASSERT_SOME(os::mkdir(directory));

  Future<Containerizer::LaunchResult> launch = containerizer->launch(
      containerId,
      createContainerConfig(None(), executor, directory),
      map<string, string>(),
      None());

  AWAIT_ASSERT_EQ(Containerizer::LaunchResult::SUCCESS, launch);

  Future<Option<ContainerTermination>> wait = containerizer->wait(containerId);

  AWAIT_READY(wait);
  ASSERT_SOME(wait.get());
  ASSERT_TRUE(wait->get().has_status());
  EXPECT_WEXITSTATUS_EQ(0, wait->get().status());
}


// This test verifies that pseudo devices like /dev/random are properly mounted