// Fetches the image manifest and all blobs in that image.
TEST_F(DockerFetcherPluginTest, INTERNET_CURL_FetchImage)
{
URI uri = uri::docker::image(
"library/busybox",
"latest",
DOCKER_REGISTRY_HOST);
Try<Owned<uri::Fetcher>> fetcher = uri::fetcher::create();
ASSERT_SOME(fetcher);
string dir = path::join(os::getcwd(), "dir");
AWAIT_READY_FOR(fetcher.get()->fetch(uri, dir), Seconds(60));
Try<string> _manifest = os::read(path::join(dir, "manifest"));
ASSERT_SOME(_manifest);
Try<docker::spec::v2::ImageManifest> manifest =
docker::spec::v2::parse(_manifest.get());
ASSERT_SOME(manifest);
EXPECT_EQ("library/busybox", manifest->name());
EXPECT_EQ("latest", manifest->tag());
for (int i = 0; i < manifest->fslayers_size(); i++) {
EXPECT_TRUE(os::exists(path::join(dir, manifest->fslayers(i).blobsum())));
}
}
TEST_F(DockerFetcherPluginTest, INTERNET_CURL_FetchBlob)
{
const string digest =
"sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4";
URI uri = uri::docker::blob(
"library/busybox",
digest,
DOCKER_REGISTRY_HOST);
Try<Owned<uri::Fetcher>> fetcher = uri::fetcher::create();
ASSERT_SOME(fetcher);
string dir = path::join(os::getcwd(), "dir");
AWAIT_READY_FOR(fetcher.get()->fetch(uri, dir), Seconds(60));
EXPECT_TRUE(os::exists(path::join(dir, digest)));
}
TEST_F(MemoryPressureMesosTest, CGROUPS_ROOT_Statistics)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
// We only care about memory cgroup for this test.
flags.isolation = "cgroups/mem";
flags.agent_subsystems = None();
Fetcher fetcher;
Try<MesosContainerizer*> _containerizer =
MesosContainerizer::create(flags, true, &fetcher);
ASSERT_SOME(_containerizer);
Owned<MesosContainerizer> containerizer(_containerizer.get());
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave =
StartSlave(detector.get(), containerizer.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);
EXPECT_NE(0u, offers.get().size());
Offer offer = offers.get()[0];
// Run a task that triggers memory pressure event. We request 1G
// disk because we are going to write a 512 MB file repeatedly.
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:256;disk:1024").get(),
"while true; do dd count=512 bs=1M if=/dev/zero of=./temp; done");
Future<TaskStatus> running;
Future<TaskStatus> killed;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&running))
.WillOnce(FutureArg<1>(&killed))
.WillRepeatedly(Return()); // Ignore subsequent updates.
driver.launchTasks(offer.id(), {task});
AWAIT_READY(running);
EXPECT_EQ(task.task_id(), running.get().task_id());
EXPECT_EQ(TASK_RUNNING, running.get().state());
Future<hashset<ContainerID>> containers = containerizer->containers();
AWAIT_READY(containers);
ASSERT_EQ(1u, containers.get().size());
ContainerID containerId = *(containers.get().begin());
// Wait a while for some memory pressure events to occur.
Duration waited = Duration::zero();
do {
Future<ResourceStatistics> usage = containerizer->usage(containerId);
AWAIT_READY(usage);
if (usage.get().mem_low_pressure_counter() > 0) {
// We will check the correctness of the memory pressure counters
// later, because the memory-hammering task is still active
// and potentially incrementing these counters.
break;
}
os::sleep(Milliseconds(100));
waited += Milliseconds(100);
} while (waited < Seconds(5));
EXPECT_LE(waited, Seconds(5));
// Pause the clock to ensure that the reaper doesn't reap the exited
// command executor and inform the containerizer/slave.
Clock::pause();
Clock::settle();
// Stop the memory-hammering task.
driver.killTask(task.task_id());
AWAIT_READY_FOR(killed, Seconds(120));
EXPECT_EQ(task.task_id(), killed->task_id());
EXPECT_EQ(TASK_KILLED, killed->state());
// Now check the correctness of the memory pressure counters.
Future<ResourceStatistics> usage = containerizer->usage(containerId);
AWAIT_READY(usage);
EXPECT_GE(usage.get().mem_low_pressure_counter(),
usage.get().mem_medium_pressure_counter());
EXPECT_GE(usage.get().mem_medium_pressure_counter(),
usage.get().mem_critical_pressure_counter());
Clock::resume();
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 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();
}
// Test that memory pressure listening is restarted after recovery.
TEST_F(MemoryPressureMesosTest, CGROUPS_ROOT_SlaveRecovery)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
// We only care about memory cgroup for this test.
flags.isolation = "cgroups/mem";
Fetcher fetcher(flags);
Try<MesosContainerizer*> _containerizer =
MesosContainerizer::create(flags, true, &fetcher);
ASSERT_SOME(_containerizer);
Owned<MesosContainerizer> containerizer(_containerizer.get());
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave =
StartSlave(detector.get(), containerizer.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(_, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
ASSERT_FALSE(offers->empty());
Offer offer = offers.get()[0];
// Run a task that triggers memory pressure event. We request 1G
// disk because we are going to write a 512 MB file repeatedly.
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:256;disk:1024").get(),
"while true; do dd count=512 bs=1M if=/dev/zero of=./temp; done");
Future<TaskStatus> starting;
Future<TaskStatus> running;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&starting))
.WillOnce(FutureArg<1>(&running))
.WillRepeatedly(Return()); // Ignore subsequent updates.
Future<Nothing> runningAck =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
Future<Nothing> startingAck =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offers.get()[0].id(), {task});
AWAIT_READY(starting);
EXPECT_EQ(task.task_id(), starting->task_id());
EXPECT_EQ(TASK_STARTING, starting->state());
AWAIT_READY(startingAck);
AWAIT_READY(running);
EXPECT_EQ(task.task_id(), running->task_id());
EXPECT_EQ(TASK_RUNNING, running->state());
// Wait for the ACK to be checkpointed.
AWAIT_READY_FOR(runningAck, Seconds(120));
// We restart the slave to let it recover.
slave.get()->terminate();
// Set up so we can wait until the new slave updates the container's
// resources (this occurs after the executor has re-registered).
Future<Nothing> update =
FUTURE_DISPATCH(_, &MesosContainerizerProcess::update);
// Use the same flags.
_containerizer = MesosContainerizer::create(flags, true, &fetcher);
ASSERT_SOME(_containerizer);
containerizer.reset(_containerizer.get());
Future<SlaveReregisteredMessage> reregistered =
FUTURE_PROTOBUF(SlaveReregisteredMessage(), master.get()->pid, _);
slave = StartSlave(detector.get(), containerizer.get(), flags);
ASSERT_SOME(slave);
AWAIT_READY(reregistered);
// Wait until the containerizer is updated.
AWAIT_READY(update);
Future<hashset<ContainerID>> containers = containerizer->containers();
AWAIT_READY(containers);
ASSERT_EQ(1u, containers->size());
ContainerID containerId = *(containers->begin());
// Wait a while for some memory pressure events to occur.
Duration waited = Duration::zero();
do {
Future<ResourceStatistics> usage = containerizer->usage(containerId);
AWAIT_READY(usage);
if (usage->mem_low_pressure_counter() > 0) {
// We will check the correctness of the memory pressure counters
// later, because the memory-hammering task is still active
// and potentially incrementing these counters.
break;
}
os::sleep(Milliseconds(100));
waited += Milliseconds(100);
} while (waited < Seconds(5));
EXPECT_LE(waited, Seconds(5));
// Pause the clock to ensure that the reaper doesn't reap the exited
// command executor and inform the containerizer/slave.
Clock::pause();
Clock::settle();
Future<TaskStatus> killed;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&killed));
// Stop the memory-hammering task.
driver.killTask(task.task_id());
AWAIT_READY_FOR(killed, Seconds(120));
EXPECT_EQ(task.task_id(), killed->task_id());
EXPECT_EQ(TASK_KILLED, killed->state());
// Now check the correctness of the memory pressure counters.
Future<ResourceStatistics> usage = containerizer->usage(containerId);
AWAIT_READY(usage);
EXPECT_GE(usage->mem_low_pressure_counter(),
usage->mem_medium_pressure_counter());
EXPECT_GE(usage->mem_medium_pressure_counter(),
usage->mem_critical_pressure_counter());
Clock::resume();
driver.stop();
driver.join();
}
