TEST_F(DockerTest, ROOT_DOCKER_CheckPortResource)
{
const string containerName = NAME_PREFIX + "-port-resource-test";
Owned<Docker> docker(Docker::create(tests::flags.docker,
tests::flags.docker_socket,
false).get());
// Make sure the container is removed.
Future<Nothing> remove = docker->rm(containerName, true);
ASSERT_TRUE(process::internal::await(remove, Seconds(10)));
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image("busybox");
dockerInfo.set_network(ContainerInfo::DockerInfo::BRIDGE);
ContainerInfo::DockerInfo::PortMapping portMapping;
portMapping.set_host_port(10000);
portMapping.set_container_port(80);
dockerInfo.add_port_mappings()->CopyFrom(portMapping);
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
CommandInfo commandInfo;
commandInfo.set_shell(false);
commandInfo.set_value("true");
Resources resources =
Resources::parse("ports:[9998-9999];ports:[10001-11000]").get();
Future<Nothing> run = docker->run(
containerInfo,
commandInfo,
containerName,
"dir",
"/mnt/mesos/sandbox",
resources);
// Port should be out side of the provided ranges.
AWAIT_EXPECT_FAILED(run);
resources = Resources::parse("ports:[9998-9999];ports:[10000-11000]").get();
Try<string> directory = environment->mkdtemp();
CHECK_SOME(directory) << "Failed to create temporary directory";
run = docker->run(
containerInfo,
commandInfo,
containerName,
directory.get(),
"/mnt/mesos/sandbox",
resources);
AWAIT_READY(run);
}
TaskInfo buildTask (string hostname, string id, const SlaveID& slave) {
hostProfile profile = hostList[hostname];
// Define the Docker container.
/* Since there is no "executor" to manage the tasks, the
container will be built and attached directly into the task below */
ContainerInfo container;
container.set_type(container.DOCKER);
ContainerInfo::DockerInfo docker;
docker.set_image(DOCKER_IMAGE);
container.mutable_docker()->MergeFrom(docker);
// Mount local volume inside Container
Volume * volume = container.add_volumes();
volume->set_container_path("/mnt");
volume->set_host_path("/local/mesos");
volume->set_mode(Volume_Mode_RW);
// Define the task
TaskInfo task;
task.set_name("K3-" + k3binary);
task.mutable_task_id()->set_value(id);
task.mutable_slave_id()->MergeFrom(slave);
task.mutable_container()->MergeFrom(container);
//task.set_data(stringify(localTasks));
// Define include files for the command
CommandInfo command;
CommandInfo_URI * k3_bin = command.add_uris();
k3_bin->set_value(fileServer + "/" + k3binary);
k3_bin->set_executable(true);
k3_bin->set_extract(false);
// CommandInfo_URI * k3_args = command.add_uris();
// k3_args->set_value(runpath + "/k3input.yaml");
// command.set_value("$MESOS_SANDBOX/" + k3binary + " -l INFO -p " +
// "$MESOS_SANDBOX/k3input.yaml");
task.mutable_command()->MergeFrom(command);
// Option A for doing resources management (see scheduler for option B)
Resource* resource;
resource = task.add_resources();
resource->set_name("cpus");
resource->set_type(Value::SCALAR);
resource->mutable_scalar()->set_value(profile.cpu);
resource = task.add_resources();
resource->set_name("mem");
resource->set_type(Value::SCALAR);
resource->mutable_scalar()->set_value(profile.mem);
return task;
}
virtual void resourceOffers(
SchedulerDriver* driver,
const vector<Offer>& offers)
{
static const Try<Resources> TASK_RESOURCES = Resources::parse(resources);
if (TASK_RESOURCES.isError()) {
cerr << "Failed to parse resources '" << resources
<< "': " << TASK_RESOURCES.error() << endl;
driver->abort();
return;
}
foreach (const Offer& offer, offers) {
if (!launched &&
Resources(offer.resources()).contains(TASK_RESOURCES.get())) {
TaskInfo task;
task.set_name(name);
task.mutable_task_id()->set_value(name);
task.mutable_slave_id()->MergeFrom(offer.slave_id());
task.mutable_resources()->CopyFrom(TASK_RESOURCES.get());
task.mutable_command()->set_value(command);
if (uri.isSome()) {
task.mutable_command()->add_uris()->set_value(uri.get());
}
if (dockerImage.isSome()) {
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image(dockerImage.get());
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
task.mutable_container()->CopyFrom(containerInfo);
}
vector<TaskInfo> tasks;
tasks.push_back(task);
driver->launchTasks(offer.id(), tasks);
cout << "task " << name << " submitted to slave "
<< offer.slave_id() << endl;
launched = true;
} else {
driver->declineOffer(offer.id());
}
}
}
TEST(G_ContainerInfoTests, IsEmpty)
{
ASSERT_TRUE(DatabasePrepare());
ContainerInfo info = cont->GetInfo();
cont->Clear();
EXPECT_TRUE(info->IsEmpty());
FolderGuard root = cont->GetRoot();
ElementGuard ce = root->CreateChild("folder", ElementTypeFolder);
EXPECT_FALSE(info->IsEmpty());
ce->Remove();
EXPECT_TRUE(info->IsEmpty());
}
// This test verifies that launching a task with a non-existent Seccomp profile
// leads to failure.
TEST_F(
LinuxSeccompIsolatorTest,
ROOT_SECCOMP_LaunchWithOverriddenNonExistentProfile)
{
slave::Flags flags = CreateSlaveFlags();
flags.seccomp_profile_name = createProfile(TEST_SECCOMP_PROFILE);
Fetcher fetcher(flags);
Try<MesosContainerizer*> create =
MesosContainerizer::create(flags, false, &fetcher);
ASSERT_SOME(create);
Owned<MesosContainerizer> containerizer(create.get());
SlaveState state;
state.id = SlaveID();
AWAIT_READY(containerizer->recover(state));
ContainerID containerId;
containerId.set_value(id::UUID::random().toString());
Try<string> directory = environment->mkdtemp();
ASSERT_SOME(directory);
auto containerConfig = createContainerConfig(
None(),
createExecutorInfo("executor", "exit 0", "cpus:1"),
directory.get());
ContainerInfo* container = containerConfig.mutable_container_info();
container->set_type(ContainerInfo::MESOS);
// Set a non-existent Seccomp profile for this particular task.
SeccompInfo* seccomp = container->mutable_linux_info()->mutable_seccomp();
seccomp->set_profile_name("absent");
Future<Containerizer::LaunchResult> launch = containerizer->launch(
containerId,
containerConfig,
map<string, string>(),
None());
AWAIT_FAILED(launch);
}
// This test verifies mounting in an absolute path when running a
// docker container works.
TEST_F(DockerTest, ROOT_DOCKER_MountAbsolute)
{
Owned<Docker> docker = Docker::create(
tests::flags.docker,
tests::flags.docker_socket,
false).get();
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
Try<string> directory = environment->mkdtemp();
CHECK_SOME(directory) << "Failed to create temporary directory";
const string testFile = path::join(directory.get(), "test_file");
EXPECT_SOME(os::write(testFile, "data"));
Volume* volume = containerInfo.add_volumes();
volume->set_host_path(testFile);
volume->set_container_path("/tmp/test_file");
volume->set_mode(Volume::RO);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image("busybox");
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
CommandInfo commandInfo;
commandInfo.set_shell(true);
commandInfo.set_value("ls /tmp/test_file");
Future<Nothing> run = docker->run(
containerInfo,
commandInfo,
NAME_PREFIX + "-mount-absolute-test",
directory.get(),
directory.get());
AWAIT_READY(run);
}
TEST(G_ContainerInfoTests, TotalDataSize)
{
ASSERT_TRUE(DatabasePrepare());
cont->Clear();
ContainerInfo info = cont->GetInfo();
FolderGuard root = cont->GetRoot();
std::vector<std::string> data;
data.push_back("0123456789");
data.push_back("01234567890123456789");
data.push_back("01234567890123456789");
data.push_back("012345678901234");
data.push_back("01234");
unsigned totalSize(0);
const std::string fileBaseName("file");
for (size_t i = 0; i < data.size(); ++i)
{
FileGuard cf = root->CreateFile(fileBaseName + std::string(1, i + 97));
EXPECT_EQ(0, cf->Size());
std::stringstream strm;
strm << data[i];
cf->Write(strm, data[i].size());
totalSize += data[i].size();
EXPECT_EQ(totalSize, info->UsedSpace());
}
for (size_t i = 0; i < data.size(); ++i)
{
ElementGuard ce = root->GetChild(fileBaseName + std::string(1, i + 97));
EXPECT_EQ(data[i].size(), ce->AsFile()->Size());
ASSERT_NO_THROW(ce->Remove());
totalSize -= data[i].size();
EXPECT_EQ(totalSize, info->UsedSpace());
}
EXPECT_EQ(0, info->UsedSpace());
}
virtual void resourceOffers(
SchedulerDriver* driver,
const vector<Offer>& offers)
{
static const Try<Resources> TASK_RESOURCES = Resources::parse(resources);
if (TASK_RESOURCES.isError()) {
cerr << "Failed to parse resources '" << resources
<< "': " << TASK_RESOURCES.error() << endl;
driver->abort();
return;
}
foreach (const Offer& offer, offers) {
if (!launched &&
Resources(offer.resources()).contains(TASK_RESOURCES.get())) {
TaskInfo task;
task.set_name(name);
task.mutable_task_id()->set_value(name);
task.mutable_slave_id()->MergeFrom(offer.slave_id());
task.mutable_resources()->CopyFrom(TASK_RESOURCES.get());
CommandInfo* commandInfo = task.mutable_command();
commandInfo->set_value(command);
if (environment.isSome()) {
Environment* environment_ = commandInfo->mutable_environment();
foreachpair (const std::string& name,
const std::string& value,
environment.get()) {
Environment_Variable* environmentVariable =
environment_->add_variables();
environmentVariable->set_name(name);
environmentVariable->set_value(value);
}
}
if (uri.isSome()) {
task.mutable_command()->add_uris()->set_value(uri.get());
}
if (dockerImage.isSome()) {
ContainerInfo containerInfo;
if (containerizer == "mesos") {
containerInfo.set_type(ContainerInfo::MESOS);
ContainerInfo::MesosInfo mesosInfo;
Image mesosImage;
mesosImage.set_type(Image::DOCKER);
mesosImage.mutable_docker()->set_name(dockerImage.get());
mesosInfo.mutable_image()->CopyFrom(mesosImage);
containerInfo.mutable_mesos()->CopyFrom(mesosInfo);
} else if (containerizer == "docker") {
containerInfo.set_type(ContainerInfo::DOCKER);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image(dockerImage.get());
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
} else {
cerr << "Unsupported containerizer: " << containerizer << endl;;
driver->abort();
return;
}
task.mutable_container()->CopyFrom(containerInfo);
}
vector<TaskInfo> tasks;
tasks.push_back(task);
driver->launchTasks(offer.id(), tasks);
cout << "task " << name << " submitted to slave "
<< offer.slave_id() << endl;
launched = true;
} else {
// This test verifies that sandbox path volume allows two containers
// nested under the same parent container to share data.
// TODO(jieyu): Parameterize this test to test both linux and posix
// launcher and filesystem isolator.
TEST_F(VolumeSandboxPathIsolatorTest, SharedVolume)
{
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "volume/sandbox_path";
Fetcher fetcher;
Try<MesosContainerizer*> create = MesosContainerizer::create(
flags,
true,
&fetcher);
ASSERT_SOME(create);
Owned<MesosContainerizer> containerizer(create.get());
SlaveState state;
state.id = SlaveID();
AWAIT_READY(containerizer->recover(state));
ContainerID containerId;
containerId.set_value(UUID::random().toString());
ExecutorInfo executor = createExecutorInfo("executor", "sleep 99", "cpus:1");
Try<string> directory = environment->mkdtemp();
ASSERT_SOME(directory);
Future<bool> launch = containerizer->launch(
containerId,
None(),
executor,
directory.get(),
None(),
state.id,
map<string, string>(),
true); // TODO(benh): Ever want to check not-checkpointing?
AWAIT_ASSERT_TRUE(launch);
ContainerID nestedContainerId1;
nestedContainerId1.mutable_parent()->CopyFrom(containerId);
nestedContainerId1.set_value(UUID::random().toString());
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::MESOS);
Volume* volume = containerInfo.add_volumes();
volume->set_mode(Volume::RW);
volume->set_container_path("parent");
Volume::Source* source = volume->mutable_source();
source->set_type(Volume::Source::SANDBOX_PATH);
Volume::Source::SandboxPath* sandboxPath = source->mutable_sandbox_path();
sandboxPath->set_type(Volume::Source::SandboxPath::PARENT);
sandboxPath->set_path("shared");
launch = containerizer->launch(
nestedContainerId1,
createCommandInfo("touch parent/file; sleep 1000"),
containerInfo,
None(),
state.id);
AWAIT_ASSERT_TRUE(launch);
ContainerID nestedContainerId2;
nestedContainerId2.mutable_parent()->CopyFrom(containerId);
nestedContainerId2.set_value(UUID::random().toString());
launch = containerizer->launch(
nestedContainerId2,
createCommandInfo(
"while true; do if [ -f parent/file ]; then exit 0; fi; done"),
containerInfo,
None(),
state.id);
AWAIT_ASSERT_TRUE(launch);
Future<Option<ContainerTermination>> wait =
containerizer->wait(nestedContainerId2);
AWAIT_READY(wait);
ASSERT_SOME(wait.get());
ASSERT_TRUE(wait.get()->has_status());
EXPECT_WEXITSTATUS_EQ(0, wait.get()->status());
wait = containerizer->wait(containerId);
containerizer->destroy(containerId);
AWAIT_READY(wait);
ASSERT_SOME(wait.get());
ASSERT_TRUE(wait.get()->has_status());
EXPECT_WTERMSIG_EQ(SIGKILL, wait.get()->status());
}
// This test launches a container which has an image and joins host
// network, and then verifies that the container can access Internet.
TEST_F(CniIsolatorTest, ROOT_INTERNET_CURL_LaunchContainerInHostNetwork)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "docker/runtime,filesystem/linux";
flags.image_providers = "docker";
flags.docker_store_dir = path::join(sandbox.get(), "store");
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get()->pid, DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_EQ(1u, offers->size());
const Offer& offer = offers.get()[0];
// NOTE: We use a non-shell command here because 'sh' might not be
// in the PATH. 'alpine' does not specify env PATH in the image.
CommandInfo command;
command.set_shell(false);
command.set_value("/bin/ping");
command.add_arguments("/bin/ping");
command.add_arguments("-c1");
command.add_arguments("google.com");
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:128").get(),
command);
Image image;
image.set_type(Image::DOCKER);
image.mutable_docker()->set_name("alpine");
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
container->mutable_mesos()->mutable_image()->CopyFrom(image);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinished;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinished));
driver.launchTasks(offer.id(), {task});
AWAIT_READY_FOR(statusRunning, Seconds(60));
EXPECT_EQ(task.task_id(), statusRunning->task_id());
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
AWAIT_READY(statusFinished);
EXPECT_EQ(task.task_id(), statusFinished->task_id());
EXPECT_EQ(TASK_FINISHED, statusFinished->state());
driver.stop();
driver.join();
}
// This test launches a command task which has checkpoint enabled, and
// agent is terminated when the task is running, after agent is restarted,
// kill the task and then verify we can receive TASK_KILLED for the task.
TEST_F(CniIsolatorTest, ROOT_SlaveRecovery)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "network/cni";
flags.network_cni_plugins_dir = cniPluginDir;
flags.network_cni_config_dir = cniConfigDir;
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
// Enable checkpointing for the framework.
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true);
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get()->pid, DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(_, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_EQ(1u, offers->size());
const Offer& offer = offers.get()[0];
CommandInfo command;
command.set_value("sleep 1000");
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:128").get(),
command);
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
// Make sure the container join the mock CNI network.
container->add_network_infos()->set_name("__MESOS_TEST__");
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusKilled;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusKilled));
EXPECT_CALL(sched, offerRescinded(&driver, _))
.Times(AtMost(1));
Future<Nothing> ack =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offer.id(), {task});
AWAIT_READY(statusRunning);
EXPECT_EQ(task.task_id(), statusRunning->task_id());
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
// Wait for the ACK to be checkpointed.
AWAIT_READY(ack);
// Stop the slave after TASK_RUNNING is received.
slave.get()->terminate();
// Restart the slave.
slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
// Kill the task.
driver.killTask(task.task_id());
AWAIT_READY(statusKilled);
EXPECT_EQ(task.task_id(), statusKilled->task_id());
EXPECT_EQ(TASK_KILLED, statusKilled->state());
driver.stop();
driver.join();
}
// This test verifies that docker image default cmd is executed correctly.
// This corresponds to the case in runtime isolator logic table: sh=0,
// value=0, argv=1, entrypoint=0, cmd=1.
TEST_F(DockerRuntimeIsolatorTest, ROOT_DockerDefaultCmdLocalPuller)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
const string directory = path::join(os::getcwd(), "archives");
Future<Nothing> testImage =
DockerArchive::create(directory, "alpine", "null", "[\"sh\"]");
AWAIT_READY(testImage);
ASSERT_TRUE(os::exists(path::join(directory, "alpine.tar")));
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "docker/runtime,filesystem/linux";
flags.image_providers = "docker";
flags.docker_registry = directory;
// Make docker store directory as a temparary directory. Because the
// manifest of the test image is changeable, the image cached on
// previous tests should never be used.
flags.docker_store_dir = path::join(os::getcwd(), "store");
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get()->pid, DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_EQ(1u, offers->size());
const Offer& offer = offers.get()[0];
TaskInfo task;
task.set_name("test-task");
task.mutable_task_id()->set_value(UUID::random().toString());
task.mutable_slave_id()->CopyFrom(offer.slave_id());
task.mutable_resources()->CopyFrom(Resources::parse("cpus:1;mem:128").get());
task.mutable_command()->set_shell(false);
task.mutable_command()->add_arguments("-c");
task.mutable_command()->add_arguments("echo 'hello world'");
Image image;
image.set_type(Image::DOCKER);
image.mutable_docker()->set_name("alpine");
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
container->mutable_mesos()->mutable_image()->CopyFrom(image);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinished;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinished));
driver.launchTasks(offer.id(), {task});
AWAIT_READY_FOR(statusRunning, Seconds(60));
EXPECT_EQ(task.task_id(), statusRunning->task_id());
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
AWAIT_READY(statusFinished);
EXPECT_EQ(task.task_id(), statusFinished->task_id());
EXPECT_EQ(TASK_FINISHED, statusFinished->state());
driver.stop();
driver.join();
}
// This test checks the behavior of passed invalid limits.
TEST_F(PosixRLimitsIsolatorTest, InvalidLimits)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "posix/rlimits";
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched,
DEFAULT_FRAMEWORK_INFO,
master.get()->pid, DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(_, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(_, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_NE(0u, offers->size());
TaskInfo task = createTask(
offers.get()[0].slave_id(),
offers.get()[0].resources(),
"true");
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
// Set impossible limit soft > hard.
RLimitInfo rlimitInfo;
RLimitInfo::RLimit* rlimit = rlimitInfo.add_rlimits();
rlimit->set_type(RLimitInfo::RLimit::RLMT_CPU);
rlimit->set_soft(100);
rlimit->set_hard(1);
container->mutable_rlimit_info()->CopyFrom(rlimitInfo);
Future<TaskStatus> taskStatus;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&taskStatus));
driver.launchTasks(offers.get()[0].id(), {task});
AWAIT_READY(taskStatus);
EXPECT_EQ(task.task_id(), taskStatus->task_id());
EXPECT_EQ(TASK_FAILED, taskStatus->state());
EXPECT_EQ(TaskStatus::REASON_EXECUTOR_TERMINATED, taskStatus->reason());
driver.stop();
driver.join();
}
bool operator == (const ContainerInfo& left, const ContainerInfo& right)
{
// Order of volumes is not important.
if (left.volumes().size() != right.volumes().size()) {
return false;
}
for (int i = 0; i < left.volumes().size(); i++) {
bool found = false;
for (int j = 0; j < right.volumes().size(); j++) {
if (left.volumes().Get(i) == right.volumes().Get(j)) {
found = true;
break;
}
}
if (!found) {
return false;
}
}
return left.type() == right.type() &&
left.hostname() == right.hostname() &&
left.docker() == right.docker();
}
// Test that a container can create a private view of a system
// directory (/var/tmp). Check that a file written by a process inside
// the container doesn't appear on the host filesystem but does appear
// under the container's work directory.
TEST_F(SharedFilesystemIsolatorTest, ROOT_RelativeVolume)
{
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "filesystem/shared";
Try<Isolator*> isolator = SharedFilesystemIsolatorProcess::create(flags);
CHECK_SOME(isolator);
Try<Launcher*> launcher = LinuxLauncher::create(flags);
CHECK_SOME(launcher);
// Use /var/tmp so we don't mask the work directory (under /tmp).
const string containerPath = "/var/tmp";
ASSERT_TRUE(os::isdir(containerPath));
// Use a host path relative to the container work directory.
const string hostPath = strings::remove(containerPath, "/", strings::PREFIX);
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::MESOS);
containerInfo.add_volumes()->CopyFrom(
CREATE_VOLUME(containerPath, hostPath, Volume::RW));
ExecutorInfo executorInfo;
executorInfo.mutable_container()->CopyFrom(containerInfo);
ContainerID containerId;
containerId.set_value(UUID::random().toString());
Future<Option<CommandInfo> > prepare =
isolator.get()->prepare(containerId, executorInfo, flags.work_dir, None());
AWAIT_READY(prepare);
ASSERT_SOME(prepare.get());
// The test will touch a file in container path.
const string file = path::join(containerPath, UUID::random().toString());
ASSERT_FALSE(os::exists(file));
// Manually run the isolator's preparation command first, then touch
// the file.
vector<string> args;
args.push_back("/bin/sh");
args.push_back("-x");
args.push_back("-c");
args.push_back(prepare.get().get().value() + " && touch " + file);
Try<pid_t> pid = launcher.get()->fork(
containerId,
"/bin/sh",
args,
Subprocess::FD(STDIN_FILENO),
Subprocess::FD(STDOUT_FILENO),
Subprocess::FD(STDERR_FILENO),
None(),
None(),
None());
ASSERT_SOME(pid);
// Set up the reaper to wait on the forked child.
Future<Option<int> > status = process::reap(pid.get());
AWAIT_READY(status);
EXPECT_SOME_EQ(0, status.get());
// Check the correct hierarchy was created under the container work
// directory.
string dir = "/";
foreach (const string& subdir, strings::tokenize(containerPath, "/")) {
dir = path::join(dir, subdir);
struct stat hostStat;
EXPECT_EQ(0, ::stat(dir.c_str(), &hostStat));
struct stat containerStat;
EXPECT_EQ(0,
::stat(path::join(flags.work_dir, dir).c_str(), &containerStat));
EXPECT_EQ(hostStat.st_mode, containerStat.st_mode);
EXPECT_EQ(hostStat.st_uid, containerStat.st_uid);
EXPECT_EQ(hostStat.st_gid, containerStat.st_gid);
}
// Check it did *not* create a file in the host namespace.
EXPECT_FALSE(os::exists(file));
// Check it did create the file under the container's work directory
// on the host.
EXPECT_TRUE(os::exists(path::join(flags.work_dir, file)));
delete launcher.get();
delete isolator.get();
}
TEST(G_ContainerInfoTests, TotalElements)
{
ASSERT_TRUE(DatabasePrepare());
cont->Clear();
ContainerInfo info = cont->GetInfo();
EXPECT_EQ(1, info->TotalElements()); // root should necessarily be in the empty container
EXPECT_EQ(1, info->TotalElements(ElementTypeFolder));
EXPECT_EQ(0, info->TotalElements(ElementTypeFile));
FolderGuard root = cont->GetRoot();
FolderGuard cfold = root->CreateFolder("folder1");
EXPECT_EQ(2, info->TotalElements());
cfold->CreateChild("file1", ElementTypeFile);
EXPECT_EQ(3, info->TotalElements());
EXPECT_EQ(2, info->TotalElements(ElementTypeFolder));
EXPECT_EQ(1, info->TotalElements(ElementTypeFile));
root->CreateFolder("folder2")->CreateFile("file2");
EXPECT_EQ(5, info->TotalElements());
EXPECT_EQ(3, info->TotalElements(ElementTypeFolder));
EXPECT_EQ(2, info->TotalElements(ElementTypeFile));
cfold->Remove();
ASSERT_FALSE(cfold->Exists());
EXPECT_EQ(3, info->TotalElements());
EXPECT_EQ(2, info->TotalElements(ElementTypeFolder));
EXPECT_EQ(1, info->TotalElements(ElementTypeFile));
cont->Clear();
EXPECT_EQ(1, info->TotalElements());
EXPECT_EQ(1, info->TotalElements(ElementTypeFolder));
}
// This test tests the functionality of the docker's interfaces.
TEST(DockerTest, ROOT_DOCKER_interface)
{
string containerName = "mesos-docker-test";
Resources resources = Resources::parse("cpus:1;mem:512").get();
Docker docker = Docker::create(tests::flags.docker, false).get();
// Cleaning up the container first if it exists.
Future<Nothing> status = docker.rm(containerName, true);
ASSERT_TRUE(status.await(Seconds(10)));
// Verify that we do not see the container.
Future<list<Docker::Container> > containers = docker.ps(true, containerName);
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
Try<string> directory = environment->mkdtemp();
CHECK_SOME(directory) << "Failed to create temporary directory";
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image("busybox");
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
CommandInfo commandInfo;
commandInfo.set_value("sleep 120");
// Start the container.
status = docker.run(
containerInfo,
commandInfo,
containerName,
directory.get(),
"/mnt/mesos/sandbox",
resources);
AWAIT_READY(status);
// Should be able to see the container now.
containers = docker.ps();
AWAIT_READY(containers);
bool found = false;
foreach (const Docker::Container& container, containers.get()) {
if ("/" + containerName == container.name) {
found = true;
break;
}
}
EXPECT_TRUE(found);
Future<Docker::Container> container = docker.inspect(containerName);
AWAIT_READY(container);
// Test some fields of the container.
EXPECT_NE("", container.get().id);
EXPECT_EQ("/" + containerName, container.get().name);
EXPECT_SOME(container.get().pid);
// Kill the container.
status = docker.kill(containerName);
AWAIT_READY(status);
// Now, the container should not appear in the result of ps().
// But it should appear in the result of ps(true).
containers = docker.ps();
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
containers = docker.ps(true, containerName);
AWAIT_READY(containers);
found = false;
foreach (const Docker::Container& container, containers.get()) {
if ("/" + containerName == container.name) {
found = true;
break;
}
}
EXPECT_TRUE(found);
// Check the container's info, both id and name should remain the
// same since we haven't removed it, but the pid should be none
// since it's not running.
container = docker.inspect(containerName);
AWAIT_READY(container);
EXPECT_NE("", container.get().id);
EXPECT_EQ("/" + containerName, container.get().name);
EXPECT_NONE(container.get().pid);
// Remove the container.
status = docker.rm(containerName);
AWAIT_READY(status);
// Should not be able to inspect the container.
container = docker.inspect(containerName);
AWAIT_FAILED(container);
// Also, now we should not be able to see the container by invoking
// ps(true).
containers = docker.ps(true, containerName);
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
// Start the container again, this time we will do a "rm -f"
// directly, instead of killing and rm.
status = docker.run(
containerInfo,
commandInfo,
containerName,
directory.get(),
"/mnt/mesos/sandbox",
resources);
AWAIT_READY(status);
// Verify that the container is there.
containers = docker.ps();
AWAIT_READY(containers);
found = false;
foreach (const Docker::Container& container, containers.get()) {
if ("/" + containerName == container.name) {
found = true;
break;
}
}
EXPECT_TRUE(found);
// Then do a "rm -f".
status = docker.rm(containerName, true);
AWAIT_READY(status);
// Verify that the container is totally removed, that is we can't
// find it by ps() or ps(true).
containers = docker.ps();
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
containers = docker.ps(true, containerName);
AWAIT_READY(containers);
foreach (const Docker::Container& container, containers.get()) {
EXPECT_NE("/" + containerName, container.name);
}
}
// This test verifies that we can launch a task container with overridden
// Seccomp profile.
TEST_F(LinuxSeccompIsolatorTest, ROOT_SECCOMP_LaunchWithOverriddenProfile)
{
const string config =
R"~(
{
"defaultAction": "SCMP_ACT_ALLOW",
"archMap": [
{
"architecture": "SCMP_ARCH_X86_64",
"subArchitectures": [
"SCMP_ARCH_X86",
"SCMP_ARCH_X32"
]
}
],
"syscalls": [
{
"names": ["uname"],
"action": "SCMP_ACT_ERRNO",
"args": [],
"includes": {},
"excludes": {}
}
]
})~";
slave::Flags flags = CreateSlaveFlags();
flags.seccomp_profile_name = createProfile(TEST_SECCOMP_PROFILE);
Fetcher fetcher(flags);
Try<MesosContainerizer*> create =
MesosContainerizer::create(flags, false, &fetcher);
ASSERT_SOME(create);
Owned<MesosContainerizer> containerizer(create.get());
SlaveState state;
state.id = SlaveID();
AWAIT_READY(containerizer->recover(state));
ContainerID containerId;
containerId.set_value(id::UUID::random().toString());
Try<string> directory = environment->mkdtemp();
ASSERT_SOME(directory);
auto containerConfig = createContainerConfig(
None(),
createExecutorInfo("executor", "uname", "cpus:1"),
directory.get());
ContainerInfo* container = containerConfig.mutable_container_info();
container->set_type(ContainerInfo::MESOS);
// Set the Seccomp profile name for this particular task.
SeccompInfo* seccomp = container->mutable_linux_info()->mutable_seccomp();
seccomp->set_profile_name(createProfile(config));
Future<Containerizer::LaunchResult> launch = containerizer->launch(
containerId,
containerConfig,
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_NE(0, wait.get()->status());
}
TEST_F(SharedFilesystemIsolatorTest, ROOT_AbsoluteVolume)
{
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "filesystem/shared";
Try<Isolator*> isolator = SharedFilesystemIsolatorProcess::create(flags);
CHECK_SOME(isolator);
Try<Launcher*> launcher = LinuxLauncher::create(flags);
CHECK_SOME(launcher);
// We'll mount the absolute test work directory as /var/tmp in the
// container.
const string hostPath = flags.work_dir;
const string containerPath = "/var/tmp";
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::MESOS);
containerInfo.add_volumes()->CopyFrom(
CREATE_VOLUME(containerPath, hostPath, Volume::RW));
ExecutorInfo executorInfo;
executorInfo.mutable_container()->CopyFrom(containerInfo);
ContainerID containerId;
containerId.set_value(UUID::random().toString());
Future<Option<CommandInfo> > prepare =
isolator.get()->prepare(containerId, executorInfo, flags.work_dir, None());
AWAIT_READY(prepare);
ASSERT_SOME(prepare.get());
// Test the volume mounting by touching a file in the container's
// /tmp, which should then be in flags.work_dir.
const string filename = UUID::random().toString();
ASSERT_FALSE(os::exists(path::join(containerPath, filename)));
vector<string> args;
args.push_back("/bin/sh");
args.push_back("-x");
args.push_back("-c");
args.push_back(prepare.get().get().value() +
" && touch " +
path::join(containerPath, filename));
Try<pid_t> pid = launcher.get()->fork(
containerId,
"/bin/sh",
args,
Subprocess::FD(STDIN_FILENO),
Subprocess::FD(STDOUT_FILENO),
Subprocess::FD(STDERR_FILENO),
None(),
None(),
None());
ASSERT_SOME(pid);
// Set up the reaper to wait on the forked child.
Future<Option<int> > status = process::reap(pid.get());
AWAIT_READY(status);
EXPECT_SOME_EQ(0, status.get());
// Check the file was created in flags.work_dir.
EXPECT_TRUE(os::exists(path::join(hostPath, filename)));
// Check it didn't get created in the host's view of containerPath.
EXPECT_FALSE(os::exists(path::join(containerPath, filename)));
delete launcher.get();
delete isolator.get();
}
virtual void resourceOffers(SchedulerDriver* driver,
const vector<Offer>& offers)
{
cout << "." << flush;
for (size_t i = 0; i < offers.size(); i++) {
const Offer& offer = offers[i];
// Lookup resources we care about.
// TODO(benh): It would be nice to ultimately have some helper
// functions for looking up resources.
double cpus = 0;
double mem = 0;
for (int i = 0; i < offer.resources_size(); i++) {
const Resource& resource = offer.resources(i);
if (resource.name() == "cpus" &&
resource.type() == Value::SCALAR) {
cpus = resource.scalar().value();
} else if (resource.name() == "mem" &&
resource.type() == Value::SCALAR) {
mem = resource.scalar().value();
}
}
// Launch tasks.
vector<TaskInfo> tasks;
while (tasksLaunched < totalTasks &&
cpus >= CPUS_PER_TASK &&
mem >= MEM_PER_TASK) {
int taskId = tasksLaunched++;
cout << "Starting task " << taskId << " on "
<< offer.hostname() << endl;
TaskInfo task;
task.set_name("Task " + lexical_cast<string>(taskId));
task.mutable_task_id()->set_value(lexical_cast<string>(taskId));
task.mutable_slave_id()->MergeFrom(offer.slave_id());
task.mutable_command()->set_value("echo hello");
// Use Docker to run the task.
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image("busybox");
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
task.mutable_container()->CopyFrom(containerInfo);
Resource* resource;
resource = task.add_resources();
resource->set_name("cpus");
resource->set_type(Value::SCALAR);
resource->mutable_scalar()->set_value(CPUS_PER_TASK);
resource = task.add_resources();
resource->set_name("mem");
resource->set_type(Value::SCALAR);
resource->mutable_scalar()->set_value(MEM_PER_TASK);
tasks.push_back(task);
cpus -= CPUS_PER_TASK;
mem -= MEM_PER_TASK;
}
driver->launchTasks(offer.id(), tasks);
}
}
// Test that the prepare launch docker hook execute before launch
// a docker container. Test hook create a file "foo" in the sandbox
// directory. When the docker container launched, the sandbox directory
// is mounted to the docker container. We validate the hook by verifying
// the "foo" file exists in the docker container or not.
TEST_F(HookTest, ROOT_DOCKER_VerifySlavePreLaunchDockerHook)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
MockDocker* mockDocker =
new MockDocker(tests::flags.docker, tests::flags.docker_socket);
Shared<Docker> docker(mockDocker);
slave::Flags flags = CreateSlaveFlags();
Fetcher fetcher;
Try<ContainerLogger*> logger =
ContainerLogger::create(flags.container_logger);
ASSERT_SOME(logger);
MockDockerContainerizer containerizer(
flags,
&fetcher,
Owned<ContainerLogger>(logger.get()),
docker);
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave =
StartSlave(detector.get(), &containerizer, flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get()->pid, DEFAULT_CREDENTIAL);
Future<FrameworkID> frameworkId;
EXPECT_CALL(sched, registered(&driver, _, _))
.WillOnce(FutureArg<1>(&frameworkId));
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);
ASSERT_NE(0u, offers.get().size());
const Offer& offer = offers.get()[0];
SlaveID slaveId = offer.slave_id();
TaskInfo task;
task.set_name("");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->CopyFrom(offer.slave_id());
task.mutable_resources()->CopyFrom(offer.resources());
CommandInfo command;
command.set_value("test -f " + path::join(flags.sandbox_directory, "foo"));
ContainerInfo containerInfo;
containerInfo.set_type(ContainerInfo::DOCKER);
// TODO(tnachen): Use local image to test if possible.
ContainerInfo::DockerInfo dockerInfo;
dockerInfo.set_image("alpine");
containerInfo.mutable_docker()->CopyFrom(dockerInfo);
task.mutable_command()->CopyFrom(command);
task.mutable_container()->CopyFrom(containerInfo);
vector<TaskInfo> tasks;
tasks.push_back(task);
Future<ContainerID> containerId;
EXPECT_CALL(containerizer, launch(_, _, _, _, _, _, _, _))
.WillOnce(DoAll(FutureArg<0>(&containerId),
Invoke(&containerizer,
&MockDockerContainerizer::_launch)));
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinished;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinished))
.WillRepeatedly(DoDefault());
driver.launchTasks(offers.get()[0].id(), tasks);
AWAIT_READY_FOR(containerId, Seconds(60));
AWAIT_READY_FOR(statusRunning, Seconds(60));
EXPECT_EQ(TASK_RUNNING, statusRunning.get().state());
AWAIT_READY_FOR(statusFinished, Seconds(60));
EXPECT_EQ(TASK_FINISHED, statusFinished.get().state());
Future<containerizer::Termination> termination =
containerizer.wait(containerId.get());
driver.stop();
driver.join();
AWAIT_READY(termination);
Future<list<Docker::Container>> containers =
docker.get()->ps(true, slave::DOCKER_NAME_PREFIX);
AWAIT_READY(containers);
// Cleanup all mesos launched containers.
foreach (const Docker::Container& container, containers.get()) {
AWAIT_READY_FOR(docker.get()->rm(container.id, true), Seconds(30));
}
}
// This test verifies that docker image default entrypoint is executed
// correctly using registry puller. This corresponds to the case in runtime
// isolator logic table: sh=0, value=0, argv=1, entrypoint=1, cmd=0.
TEST_F(DockerRuntimeIsolatorTest,
ROOT_CURL_INTERNET_DockerDefaultEntryptRegistryPuller)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "docker/runtime,filesystem/linux";
flags.image_providers = "docker";
flags.docker_store_dir = path::join(os::getcwd(), "store");
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get()->pid, DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_EQ(1u, offers->size());
const Offer& offer = offers.get()[0];
TaskInfo task;
task.set_name("test-task");
task.mutable_task_id()->set_value(UUID::random().toString());
task.mutable_slave_id()->CopyFrom(offer.slave_id());
task.mutable_resources()->CopyFrom(Resources::parse("cpus:1;mem:128").get());
task.mutable_command()->set_shell(false);
task.mutable_command()->add_arguments("hello world");
Image image;
image.set_type(Image::DOCKER);
// 'mesosphere/inky' image is used in docker containerizer test, which
// contains entrypoint as 'echo' and cmd as null.
image.mutable_docker()->set_name("mesosphere/inky");
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
container->mutable_mesos()->mutable_image()->CopyFrom(image);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinished;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinished));
driver.launchTasks(offer.id(), {task});
AWAIT_READY_FOR(statusRunning, Seconds(60));
EXPECT_EQ(task.task_id(), statusRunning->task_id());
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
AWAIT_READY(statusFinished);
EXPECT_EQ(task.task_id(), statusFinished->task_id());
EXPECT_EQ(TASK_FINISHED, statusFinished->state());
driver.stop();
driver.join();
}
// This test confirms that if a task exceeds configured resource
// limits it is forcibly terminated.
TEST_F(PosixRLimitsIsolatorTest, TaskExceedingLimit)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "posix/rlimits";
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched,
DEFAULT_FRAMEWORK_INFO,
master.get()->pid,
DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(_, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(_, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_FALSE(offers->empty());
// The task attempts to use an infinite amount of CPU time.
TaskInfo task = createTask(
offers.get()[0].slave_id(),
offers.get()[0].resources(),
"while true; do true; done");
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
// Limit the process to use maximally 1 second of CPU time.
RLimitInfo rlimitInfo;
RLimitInfo::RLimit* cpuLimit = rlimitInfo.add_rlimits();
cpuLimit->set_type(RLimitInfo::RLimit::RLMT_CPU);
cpuLimit->set_soft(1);
cpuLimit->set_hard(1);
container->mutable_rlimit_info()->CopyFrom(rlimitInfo);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFailed;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFailed));
driver.launchTasks(offers.get()[0].id(), {task});
AWAIT_READY(statusRunning);
EXPECT_EQ(task.task_id(), statusRunning->task_id());
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
AWAIT_READY(statusFailed);
EXPECT_EQ(task.task_id(), statusFailed->task_id());
EXPECT_EQ(TASK_FAILED, statusFailed->state());
driver.stop();
driver.join();
}
// This test confirms that setting no values for the soft and hard
// limits implies an unlimited resource.
TEST_F(PosixRLimitsIsolatorTest, UnsetLimits) {
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "posix/rlimits";
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched,
DEFAULT_FRAMEWORK_INFO,
master.get()->pid,
DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(_, _, _));
Future<vector<Offer>> offers;
EXPECT_CALL(sched, resourceOffers(_, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_NE(0u, offers->size());
TaskInfo task = createTask(
offers.get()[0].slave_id(),
offers.get()[0].resources(),
"exit `ulimit -c | grep -q unlimited`");
// Force usage of C locale as we interpret a potentially translated
// string in the task's command.
mesos::Environment::Variable* locale =
task.mutable_command()->mutable_environment()->add_variables();
locale->set_name("LC_ALL");
locale->set_value("C");
ContainerInfo* container = task.mutable_container();
container->set_type(ContainerInfo::MESOS);
// Setting rlimit for core without soft or hard limit signifies
// unlimited range.
RLimitInfo rlimitInfo;
RLimitInfo::RLimit* rlimit = rlimitInfo.add_rlimits();
rlimit->set_type(RLimitInfo::RLimit::RLMT_CORE);
container->mutable_rlimit_info()->CopyFrom(rlimitInfo);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinal;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinal));
driver.launchTasks(offers.get()[0].id(), {task});
AWAIT_READY(statusRunning);
EXPECT_EQ(task.task_id(), statusRunning->task_id());
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
AWAIT_READY(statusFinal);
EXPECT_EQ(task.task_id(), statusFinal->task_id());
EXPECT_EQ(TASK_FINISHED, statusFinal->state());
driver.stop();
driver.join();
}
