| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <map> |
| #include <string> |
| |
| #include <mesos/mesos.hpp> |
| |
| #include <process/gtest.hpp> |
| #include <process/owned.hpp> |
| |
| #include <stout/try.hpp> |
| |
| #include "common/kernel_version.hpp" |
| |
| #include "slave/containerizer/mesos/containerizer.hpp" |
| |
| #include "tests/mesos.hpp" |
| |
| #include "tests/containerizer/docker_archive.hpp" |
| |
| using process::Future; |
| using process::Owned; |
| |
| using std::map; |
| using std::string; |
| |
| using mesos::internal::master::Master; |
| |
| using mesos::internal::slave::Containerizer; |
| using mesos::internal::slave::Fetcher; |
| using mesos::internal::slave::MesosContainerizer; |
| |
| using mesos::slave::ContainerTermination; |
| |
| namespace mesos { |
| namespace internal { |
| namespace tests { |
| |
| class LinuxNNPIsolatorTest : public MesosTest |
| { |
| protected: |
| slave::Flags CreateSlaveFlags() override |
| { |
| slave::Flags flags = MesosTest::CreateSlaveFlags(); |
| flags.isolation = "filesystem/linux,docker/runtime,linux/nnp"; |
| flags.docker_registry = GetRegistryPath(); |
| flags.docker_store_dir = path::join(sandbox.get(), "store"); |
| flags.image_providers = "docker"; |
| flags.launcher = "linux"; |
| |
| return flags; |
| } |
| |
| string GetRegistryPath() const |
| { |
| return path::join(sandbox.get(), "registry"); |
| } |
| }; |
| |
| |
| // Check that the PR_NO_NEW_PRIVILEGES flag is set. |
| TEST_F(LinuxNNPIsolatorTest, ROOT_CheckNoNewPrivileges) |
| { |
| // This tests requires the NoNewPrivs field present in process |
| // status fields which requires Linux kernel version greater than |
| // or equal to 4.10. |
| Try<Version> version = mesos::kernelVersion(); |
| ASSERT_SOME(version); |
| if (version.get() < Version(4, 10, 0)) { |
| LOG(INFO) << "Linux kernel version greater than or equal to 4.10 required"; |
| return; |
| } |
| |
| 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()); |
| |
| // Test that the child process inherits the PR_NO_NEW_PRIVS flag. |
| // Using convoluted way to parse the process status file |
| // due to minimal docker image. The child process should inherit |
| // the PR_NO_NEW_PRIVS flag. Parse the process status file and |
| // determine if "NoNewPrivs: 1" is found. |
| ExecutorInfo executor = createExecutorInfo( |
| "test_executor", |
| R"~( |
| nnp_seen="false" |
| for word in $(cat /proc/self/status); do |
| if [ "$word" = "NoNewPrivs:" ]; then |
| nnp_seen="true" |
| elif [ "$nnp_seen" = "true" ]; then |
| if [ "$word" = "1" ]; then |
| exit 0 |
| else |
| exit 1 |
| fi |
| fi |
| done |
| exit 1 |
| )~"); |
| |
| 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()); |
| } |
| |
| } // namespace tests { |
| } // namespace internal { |
| } // namespace mesos { |