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());
}
}
}
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;
}
void offers(const vector<Offer>& offers)
{
CHECK_EQ(SUBSCRIBED, state);
static const Try<Resources> TASK_RESOURCES = Resources::parse(resources);
if (TASK_RESOURCES.isError()) {
EXIT(EXIT_FAILURE)
<< "Failed to parse resources '" << resources << "': "
<< TASK_RESOURCES.error();
}
foreach (const Offer& offer, offers) {
Resources offered = offer.resources();
if (!launched && offered.flatten().contains(TASK_RESOURCES.get())) {
TaskInfo task;
task.set_name(name);
task.mutable_task_id()->set_value(name);
task.mutable_agent_id()->MergeFrom(offer.agent_id());
// Takes resources first from the specified role, then from '*'.
Option<Resources> resources =
offered.find(TASK_RESOURCES.get().flatten(frameworkInfo.role()));
CHECK_SOME(resources);
task.mutable_resources()->CopyFrom(resources.get());
CommandInfo* commandInfo = task.mutable_command();
if (shell) {
CHECK_SOME(command);
commandInfo->set_shell(true);
commandInfo->set_value(command.get());
} else {
// TODO(gilbert): Treat 'command' as executable value and arguments.
commandInfo->set_shell(false);
}
if (environment.isSome()) {
Environment* environment_ = commandInfo->mutable_environment();
foreachpair (
const string& name, const string& value, environment.get()) {
Environment::Variable* environmentVariable =
environment_->add_variables();
environmentVariable->set_name(name);
environmentVariable->set_value(value);
}
}
inline TaskInfo createTask(
const Offer& offer,
const std::string& command,
const std::string& name = "test-task",
const std::string& id = UUID::random().toString())
{
TaskInfo task;
task.set_name(name);
task.mutable_task_id()->set_value(id);
task.mutable_slave_id()->MergeFrom(offer.slave_id());
task.mutable_resources()->MergeFrom(offer.resources());
task.mutable_command()->set_value(command);
return task;
}
virtual void resourceOffers(SchedulerDriver* driver,
const vector<Offer>& offers)
{
foreach (const Offer& offer, offers) {
cout << "Received offer " << offer.id() << " with " << offer.resources()
<< endl;
static const Resources TASK_RESOURCES = Resources::parse(
"cpus:" + stringify(CPUS_PER_TASK) +
";mem:" + stringify(MEM_PER_TASK)).get();
Resources remaining = offer.resources();
// Launch tasks.
vector<TaskInfo> tasks;
while (tasksLaunched < totalTasks &&
remaining.flatten().contains(TASK_RESOURCES)) {
int taskId = tasksLaunched++;
cout << "Launching task " << taskId << " using offer "
<< offer.id() << 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");
Option<Resources> resources = remaining.find(TASK_RESOURCES);
CHECK_SOME(resources);
task.mutable_resources()->MergeFrom(resources.get());
remaining -= resources.get();
tasks.push_back(task);
}
driver->launchTasks(offer.id(), tasks);
}
inline TaskInfo createTask(
const Offer& offer,
const std::string& command,
const Option<mesos::ExecutorID>& executorId = None(),
const std::string& name = "test-task",
const std::string& id = UUID::random().toString())
{
TaskInfo task;
task.set_name(name);
task.mutable_task_id()->set_value(id);
task.mutable_slave_id()->CopyFrom(offer.slave_id());
task.mutable_resources()->CopyFrom(offer.resources());
if (executorId.isSome()) {
ExecutorInfo executor;
executor.mutable_executor_id()->CopyFrom(executorId.get());
executor.mutable_command()->set_value(command);
task.mutable_executor()->CopyFrom(executor);
} else {
task.mutable_command()->set_value(command);
}
return task;
}
vector<TaskInfo> populateTasks(
const string& cmd,
CommandInfo healthCommand,
const Offer& offer,
int gracePeriodSeconds = 0,
const Option<int>& consecutiveFailures = None(),
const Option<map<string, string> >& env = None())
{
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(cmd);
Environment::Variable* variable =
command.mutable_environment()->add_variables();
// We need to set the correct directory to launch health check process
// instead of the default for tests.
variable->set_name("MESOS_LAUNCHER_DIR");
variable->set_value(path::join(tests::flags.build_dir, "src"));
task.mutable_command()->CopyFrom(command);
HealthCheck healthCheck;
if (env.isSome()) {
foreachpair (const string& name, const string value, env.get()) {
Environment::Variable* variable =
healthCommand.mutable_environment()->mutable_variables()->Add();
variable->set_name(name);
variable->set_value(value);
}
}
// This test has been temporarily disabled due to MESOS-1257.
TEST_F(ExternalContainerizerTest, DISABLED_Launch)
{
Try<PID<Master> > master = this->StartMaster();
ASSERT_SOME(master);
Flags testFlags;
slave::Flags flags = this->CreateSlaveFlags();
flags.isolation = "external";
flags.containerizer_path =
testFlags.build_dir + "/src/examples/python/test-containerizer";
MockExternalContainerizer containerizer(flags);
Try<PID<Slave> > slave = this->StartSlave(&containerizer, flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get(), 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);
EXPECT_NE(0u, offers.get().size());
TaskInfo task;
task.set_name("isolator_test");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->CopyFrom(offers.get()[0].slave_id());
task.mutable_resources()->CopyFrom(offers.get()[0].resources());
Resources resources(offers.get()[0].resources());
Option<Bytes> mem = resources.mem();
ASSERT_SOME(mem);
Option<double> cpus = resources.cpus();
ASSERT_SOME(cpus);
const std::string& file = path::join(flags.work_dir, "ready");
// This task induces user/system load in a child process by
// running top in a child process for ten seconds.
task.mutable_command()->set_value(
#ifdef __APPLE__
// Use logging mode with 30,000 samples with no interval.
"top -l 30000 -s 0 2>&1 > /dev/null & "
#else
// Batch mode, with 30,000 samples with no interval.
"top -b -d 0 -n 30000 2>&1 > /dev/null & "
#endif
"touch " + file + "; " // Signals that the top command is running.
"sleep 60");
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&status))
.WillRepeatedly(Return()); // Ignore rest for now.
Future<ContainerID> containerId;
EXPECT_CALL(containerizer, launch(_, _, _, _, _, _, _, _))
.WillOnce(DoAll(FutureArg<0>(&containerId),
Invoke(&containerizer,
&MockExternalContainerizer::_launch)));
driver.launchTasks(offers.get()[0].id(), {task});
AWAIT_READY(containerId);
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
// Wait for the task to begin inducing cpu time.
while (!os::exists(file));
ExecutorID executorId;
executorId.set_value(task.task_id().value());
// We'll wait up to 10 seconds for the child process to induce
// 1/8 of a second of user and system cpu time in total.
// TODO(bmahler): Also induce rss memory consumption, by re-using
// the balloon framework.
ResourceStatistics statistics;
Duration waited = Duration::zero();
do {
Future<ResourceStatistics> usage = containerizer.usage(containerId.get());
AWAIT_READY(usage);
statistics = usage.get();
// If we meet our usage expectations, we're done!
// NOTE: We are currently getting dummy-data from the test-
// containerizer python script matching these expectations.
// TODO(tillt): Consider working with real data.
if (statistics.cpus_user_time_secs() >= 0.120 &&
statistics.cpus_system_time_secs() >= 0.05 &&
statistics.mem_rss_bytes() >= 1024u) {
break;
}
os::sleep(Milliseconds(100));
waited += Milliseconds(100);
} while (waited < Seconds(10));
EXPECT_GE(statistics.cpus_user_time_secs(), 0.120);
EXPECT_GE(statistics.cpus_system_time_secs(), 0.05);
EXPECT_EQ(statistics.cpus_limit(), cpus.get());
EXPECT_GE(statistics.mem_rss_bytes(), 1024u);
EXPECT_EQ(statistics.mem_limit_bytes(), mem.get().bytes());
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&status));
driver.killTask(task.task_id());
AWAIT_READY(status);
EXPECT_EQ(TASK_KILLED, status.get().state());
driver.stop();
driver.join();
this->Shutdown();
}
virtual void resourceOffers(SchedulerDriver* driver,
const vector<Offer>& offers)
{
foreach (const Offer& offer, offers) {
LOG(INFO) << "Received offer " << offer.id() << " with "
<< offer.resources();
// If the framework got this offer for the first time, the state is
// `State::INIT`; framework will reserve it (sending RESERVE operation
// to master) in this loop.
if (!states.contains(offer.slave_id())) {
// If all tasks were launched, do not reserve more resources; wait
// for them to finish and unreserve resources.
if (tasksLaunched == totalTasks) {
continue;
}
states[offer.slave_id()] = State::INIT;
}
const State state = states[offer.slave_id()];
Filters filters;
filters.set_refuse_seconds(0);
switch (state) {
case State::INIT: {
// Framework reserves resources from this offer for only one task;
// the task'll be dispatched when reserved resources are re-offered
// to this framework.
Resources resources = offer.resources();
Offer::Operation reserve = RESERVE(taskResources);
Try<Resources> apply = resources.apply(reserve);
if (apply.isError()) {
LOG(INFO) << "Failed to reserve resources for task in offer "
<< stringify(offer.id()) << ": " << apply.error();
break;
}
driver->acceptOffers({offer.id()}, {reserve}, filters);
states[offer.slave_id()] = State::RESERVING;
break;
}
case State::RESERVING: {
Resources resources = offer.resources();
Resources reserved = resources.reserved(role);
if (!reserved.contains(taskResources)) {
break;
}
states[offer.slave_id()] = State::RESERVED;
// We fallthrough here to save an offer cycle.
}
case State::RESERVED: {
Resources resources = offer.resources();
Resources reserved = resources.reserved(role);
CHECK(reserved.contains(taskResources));
// If all tasks were launched, unreserve those resources.
if (tasksLaunched == totalTasks) {
driver->acceptOffers(
{offer.id()}, {UNRESERVE(taskResources)}, filters);
states[offer.slave_id()] = State::UNRESERVING;
break;
}
// Framework dispatches task on the reserved resources.
CHECK(tasksLaunched < totalTasks);
// Launch tasks on reserved resources.
const string& taskId = stringify(tasksLaunched++);
LOG(INFO) << "Launching task " << taskId << " using offer "
<< offer.id();
TaskInfo task;
task.set_name("Task " + taskId + ": " + command);
task.mutable_task_id()->set_value(taskId);
task.mutable_slave_id()->MergeFrom(offer.slave_id());
task.mutable_command()->set_shell(true);
task.mutable_command()->set_value(command);
task.mutable_resources()->MergeFrom(taskResources);
driver->launchTasks(offer.id(), {task}, filters);
states[offer.slave_id()] = State::TASK_RUNNING;
break;
}
case State::TASK_RUNNING:
LOG(INFO) << "The task on " << offer.slave_id()
<< " is running, waiting for task done";
break;
case State::UNRESERVING: {
Resources resources = offer.resources();
Resources reserved = resources.reserved(role);
if (!reserved.contains(taskResources)) {
states[offer.slave_id()] = State::UNRESERVED;
}
break;
}
case State::UNRESERVED:
// If state of slave is UNRESERVED, ignore it. The driver is stopped
// when all tasks are done and all resources are unreserved.
break;
}
}
// 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));
}
}
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");
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);
}
}
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 {
TEST_F(SlaveTest, ShutdownUnregisteredExecutor)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
// Need flags for 'executor_registration_timeout'.
slave::Flags flags = CreateSlaveFlags();
// Set the isolation flag so we know a MesoContainerizer will be created.
flags.isolation = "posix/cpu,posix/mem";
Try<MesosContainerizer*> containerizer =
MesosContainerizer::create(flags, false);
CHECK_SOME(containerizer);
Try<PID<Slave> > slave = StartSlave(containerizer.get());
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get(), DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _))
.Times(1);
Future<vector<Offer> > offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
EXPECT_NE(0u, offers.get().size());
// Launch a task with the command executor.
TaskInfo task;
task.set_name("");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->MergeFrom(offers.get()[0].slave_id());
task.mutable_resources()->MergeFrom(offers.get()[0].resources());
CommandInfo command;
command.set_value("sleep 10");
task.mutable_command()->MergeFrom(command);
vector<TaskInfo> tasks;
tasks.push_back(task);
// Drop the registration message from the executor to the slave.
Future<process::Message> registerExecutor =
DROP_MESSAGE(Eq(RegisterExecutorMessage().GetTypeName()), _, _);
driver.launchTasks(offers.get()[0].id(), tasks);
AWAIT_READY(registerExecutor);
Clock::pause();
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&status));
// Ensure that the slave times out and kills the executor.
Future<Nothing> destroyExecutor =
FUTURE_DISPATCH(_, &MesosContainerizerProcess::destroy);
Clock::advance(flags.executor_registration_timeout);
AWAIT_READY(destroyExecutor);
Clock::settle(); // Wait for Containerizer::destroy to complete.
// Now advance time until the reaper reaps the executor.
while (status.isPending()) {
Clock::advance(Seconds(1));
Clock::settle();
}
AWAIT_READY(status);
ASSERT_EQ(TASK_FAILED, status.get().state());
Clock::resume();
driver.stop();
driver.join();
Shutdown(); // Must shutdown before 'containerizer' gets deallocated.
}
// 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();
}
// This test runs a command without the command user field set. The
// command will verify the assumption that the command is run as the
// slave user (in this case, root).
TEST_F(SlaveTest, ROOT_RunTaskWithCommandInfoWithoutUser)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
// Need flags for 'executor_registration_timeout'.
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "posix/cpu,posix/mem";
Try<MesosContainerizer*> containerizer =
MesosContainerizer::create(flags, false);
CHECK_SOME(containerizer);
Try<PID<Slave> > slave = StartSlave(containerizer.get());
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get(), DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _))
.Times(1);
Future<vector<Offer> > offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
EXPECT_NE(0u, offers.get().size());
// Launch a task with the command executor.
TaskInfo task;
task.set_name("");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->MergeFrom(offers.get()[0].slave_id());
task.mutable_resources()->MergeFrom(offers.get()[0].resources());
Result<string> user = os::user();
CHECK_SOME(user) << "Failed to get current user name"
<< (user.isError() ? ": " + user.error() : "");
// Command executor will run as user running test.
CommandInfo command;
command.set_value("test `whoami` = " + user.get());
task.mutable_command()->MergeFrom(command);
vector<TaskInfo> tasks;
tasks.push_back(task);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinished;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinished));
driver.launchTasks(offers.get()[0].id(), tasks);
AWAIT_READY(statusRunning);
EXPECT_EQ(TASK_RUNNING, statusRunning.get().state());
AWAIT_READY(statusFinished);
EXPECT_EQ(TASK_FINISHED, statusFinished.get().state());
driver.stop();
driver.join();
Shutdown(); // Must shutdown before 'containerizer' gets deallocated.
}
void ChapelScheduler::resourceOffers(SchedulerDriver* driver,
const vector<Offer>& offers)
{
// offers only contain resources describing a single node -> for more details read include/mesos/mesos.proto
//
cout << "***\tProcessing Offers!" << endl;
const int remainingCpusReq = cpusReq - launchedTsks.size();
if(remainingCpusReq == 0) {
for(size_t k = 0; k < offers.size(); k++) {
const Offer& offer = offers[k];
driver->declineOffer(offer.id());
}
cout << "\t\tChapelScheduler declined offer because resource requirements satisfied" << endl;
}
// cycle through all the offers and resource a task
// each offer corresponds to a single compute node
//
const static Resources TASK_RESOURCES = Resources::parse(mesosReq).get();
vector<TaskInfo> tsks;
for(size_t i = 0; i < offers.size(); i++) {
const Offer& offer = offers[i];
if(tsks.size() == remainingCpusReq) {
driver->declineOffer(offer.id());
continue; // need to cycle through the remaining offers and decline them
}
Resources remaining = offer.resources();
/* attempting to exercise multi-tenancy capabilities in mesos
* given an offer from a node, try to maximize the number of jobs
* that can be allocated to that node given the job's resource
* requirements
*
* if the desired number of nodes and jobs are met, then launch
* all the jobs on that node's offer
*
* this means some nodes will get multiple tasks assigned for
* execution
*/
vector<TaskInfo> tol;
while(remaining.flatten().contains(TASK_RESOUCES) && ((remainingCpusReq-tsks.size()) > 0)) {
const string tid = stringify<size_t>(tsks.size());
TaskInfo task;
task.set_name("Chapel Remote Program Task\t" + tid);
task.mutable_task_id()->set_value(tid);
task.mutable_slave_id()->MergeFrom(offer.slave_id());
task.mutable_command()->MergeFrom(chplCmdInfo);
task.mutable_resources()->MergeFrom(TASK_RESOURCES);
task.set_data(remoteCmd);
tol.push_back(task); // tol means "to launch"
tsks.push_back(task); // tsks tracks tasks launched for framework termination purposes
remaining-=TASK_RESOURCES;
tasksLaunched+=1;
cout << "\t\t+++\tLaunching # of Tasks!\t" << tol.size() << " of " << tasksLaunched << endl;
}
// after all the tasks for this offer have been "resourced"
// launch the tasks using this offer.id
//
driver->launchTasks(offer.id(), tol);
}
const size_t pendingTsksSize = tsks.size();
cout << endl << "\tAcquired # tasks " << pendingTsksSize << " required # of tasks " << cpusReq << " remaining required # tasks " << remainingCpusReq << endl << endl;
if(pendingTsksSize > 0) {
for(vector<TaskInfo>::iterator i = tsks.begin(); i != tsks.end(); i++) {
launchedTsks.insert(make_pair(i->task_id().value(), *i));
}
}
}
TYPED_TEST(IsolatorTest, Usage)
{
Try<PID<Master> > master = this->StartMaster();
ASSERT_SOME(master);
TypeParam isolator;
slave::Flags flags = this->CreateSlaveFlags();
Try<PID<Slave> > slave = this->StartSlave(&isolator, flags);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get(), 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);
EXPECT_NE(0u, offers.get().size());
TaskInfo task;
task.set_name("isolator_test");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->MergeFrom(offers.get()[0].slave_id());
task.mutable_resources()->MergeFrom(offers.get()[0].resources());
Resources resources(offers.get()[0].resources());
Option<Bytes> mem = resources.mem();
ASSERT_SOME(mem);
Option<double> cpus = resources.cpus();
ASSERT_SOME(cpus);
const std::string& file = path::join(flags.work_dir, "ready");
// This task induces user/system load in a child process by
// running top in a child process for ten seconds.
task.mutable_command()->set_value(
#ifdef __APPLE__
// Use logging mode with 30,000 samples with no interval.
"top -l 30000 -s 0 2>&1 > /dev/null & "
#else
// Batch mode, with 30,000 samples with no interval.
"top -b -d 0 -n 30000 2>&1 > /dev/null & "
#endif
"touch " + file + "; " // Signals that the top command is running.
"sleep 60");
vector<TaskInfo> tasks;
tasks.push_back(task);
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&status));
driver.launchTasks(offers.get()[0].id(), tasks);
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
// Wait for the task to begin inducing cpu time.
while (!os::exists(file));
ExecutorID executorId;
executorId.set_value(task.task_id().value());
// We'll wait up to 10 seconds for the child process to induce
// 1/8 of a second of user and system cpu time in total.
// TODO(bmahler): Also induce rss memory consumption, by re-using
// the balloon framework.
ResourceStatistics statistics;
Duration waited = Duration::zero();
do {
Future<ResourceStatistics> usage =
process::dispatch(
(Isolator*) &isolator, // TODO(benh): Fix after reaper changes.
&Isolator::usage,
frameworkId.get(),
executorId);
AWAIT_READY(usage);
statistics = usage.get();
// If we meet our usage expectations, we're done!
if (statistics.cpus_user_time_secs() >= 0.125 &&
statistics.cpus_system_time_secs() >= 0.125 &&
statistics.mem_rss_bytes() >= 1024u) {
break;
}
os::sleep(Milliseconds(100));
waited += Milliseconds(100);
} while (waited < Seconds(10));
EXPECT_GE(statistics.cpus_user_time_secs(), 0.125);
EXPECT_GE(statistics.cpus_system_time_secs(), 0.125);
EXPECT_EQ(statistics.cpus_limit(), cpus.get());
EXPECT_GE(statistics.mem_rss_bytes(), 1024u);
EXPECT_EQ(statistics.mem_limit_bytes(), mem.get().bytes());
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&status));
driver.killTask(task.task_id());
AWAIT_READY(status);
EXPECT_EQ(TASK_KILLED, status.get().state());
driver.stop();
driver.join();
this->Shutdown(); // Must shutdown before 'isolator' gets deallocated.
}
Future<ExecutorInfo> ExternalContainerizerProcess::launch(
const ContainerID& containerId,
const TaskInfo& taskInfo,
const FrameworkID& frameworkId,
const std::string& directory,
const Option<std::string>& user,
const SlaveID& slaveId,
const PID<Slave>& slavePid,
bool checkpoint)
{
LOG(INFO) << "Launching container '" << containerId << "'";
// Get the executor from our task. If no executor is associated with
// the given task, this function renders an ExecutorInfo using the
// mesos-executor as its command.
ExecutorInfo executor = containerExecutorInfo(flags, taskInfo, frameworkId);
executor.mutable_resources()->MergeFrom(taskInfo.resources());
if (containers.contains(containerId)) {
return Failure("Cannot start already running container '"
+ containerId.value() + "'");
}
sandboxes.put(containerId, Owned<Sandbox>(new Sandbox(directory, user)));
map<string, string> environment = executorEnvironment(
executor,
directory,
slaveId,
slavePid,
checkpoint,
flags.recovery_timeout);
if (!flags.hadoop_home.empty()) {
environment["HADOOP_HOME"] = flags.hadoop_home;
}
TaskInfo task;
task.CopyFrom(taskInfo);
CommandInfo* command = task.has_executor()
? task.mutable_executor()->mutable_command()
: task.mutable_command();
// When the selected command has no container attached, use the
// default from the slave startup flags, if available.
if (!command->has_container()) {
if (flags.default_container_image.isSome()) {
command->mutable_container()->set_image(
flags.default_container_image.get());
} else {
LOG(INFO) << "No container specified in task and no default given. "
<< "The external containerizer will have to fill in "
<< "defaults.";
}
}
ExternalTask external;
external.mutable_task()->CopyFrom(task);
external.set_mesos_executor_path(
path::join(flags.launcher_dir, "mesos-executor"));
stringstream output;
external.SerializeToOstream(&output);
Try<Subprocess> invoked = invoke(
"launch",
containerId,
output.str(),
environment);
if (invoked.isError()) {
return Failure("Launch of container '" + containerId.value()
+ "' failed (error: " + invoked.error() + ")");
}
// Record the process.
containers.put(
containerId,
Owned<Container>(new Container(invoked.get().pid())));
VLOG(2) << "Now awaiting data from pipe...";
// Read from the result-pipe and invoke callbacks when reaching EOF.
return await(read(invoked.get().out()), invoked.get().status())
.then(defer(
PID<ExternalContainerizerProcess>(this),
&ExternalContainerizerProcess::_launch,
containerId,
frameworkId,
executor,
slaveId,
checkpoint,
lambda::_1));
}
virtual void resourceOffers(SchedulerDriver* driver,
const vector<Offer>& offers) {
cout << "[RESOURCE OFFER] " << offers.size() << " Offer(s)" << endl;
vector<ofstream> infile;
YAML::Node master;
int acceptedOffers = 0;
// 1. Determine the set of offers to accept
int unallocatedPeers = totalPeers - peersAssigned;
size_t cur_offer = 0;
while (cur_offer < offers.size() && unallocatedPeers > 0) {
const Offer& offer = offers[cur_offer];
double cpus = 0;
double mem = 0;
bool accept_offer = true;
// ONE way of handling resources (see k3_scheduler for the other)
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();
}
// CHECK OTHER RESOURCES HERE
}
// TODO: Check Attributes as well (hd, hm, etc...)
/* for (int i = 0; i < offer.attributes_size(); i++) {
const Attribute& attribute = offer.attributes(i);
if (attribute.name() == "cpus" &&
resource.type() == Value::SCALAR) {
cpus = resource.scalar().value();
} else if (resource.name() == "mem" &&
resource.type() == Value::SCALAR) {
mem = resource.scalar().value();
}
// CHECK OTHER RESOURCES HERE
}
*/
// Accept the offer
/* ALLOCATE ALL available cpus (or all required)
TODO: Est. policies to allocate resources as desired
*/
if (offer.hostname() == "qp-hd10") {
accept_offer = false;
}
if (accept_offer) {
cout << " Accepted offer on " << offer.hostname() << endl;
acceptedOffers++;
hostProfile profile;
int localPeers = (unallocatedPeers > cpus) ?
cpus : unallocatedPeers;
// Create profile for Resource allocation & other info
profile.cpu = localPeers; //assume: 1 cpu per peer
profile.mem = localPeers * MEM_PER_TASK; //assume available mem
profile.offer = cur_offer;
for (int p=0; p<localPeers; p++) {
int peerId = peersAssigned++;
// TODO: PORT management
string port = stringify(44440 + peerId);
profile.addPeer(peerId);
peerProfile peer (ip_addr[offer.hostname()], port);
peerList.push_back(peer);
unallocatedPeers--;
}
hostList[offer.hostname()] = profile;
containersAssigned++;
}
cur_offer++;
}
if (acceptedOffers == 0 || unallocatedPeers > 0) {
return;
}
// Build the Peers list
vector<YAML::Node> peerNodeList;
for (auto &peer : peerList) {
YAML::Node peerNode;
peerNode["addr"] = peer.getAddr();
peerNodeList.push_back(peerNode);
}
// IMPLEMENTS: Multi-Threaded,
// 1-process per container, 1 container per host
for (auto &host : hostList) {
string hostname = host.first;
hostProfile profile = host.second;
vector<YAML::Node> hostParams;
// Build program input parameters for each peer on this host
for (auto p : profile.peers) {
YAML::Node peerParams;
cout << " Building Peer # " << p << " on host " << hostname << endl;
// TODO: unique param list for each peer -- aside from 'me'
for (YAML::const_iterator var = k3vars.begin();
var != k3vars.end();
var++) {
string key = var->first.as<string>();
string value = var->second.as<string>();
// Special case for a rendezvous/master point
if (value == "auto") {
peerParams[key] = peerList[0].getAddr();
}
// OTHER INTRA-PROGRAM PROCESSING CAN GO HERE
else {
peerParams[key] = value;
}
}
peerParams["me"] = peerList[p].getAddr();
peerParams["peers"] = peerNodeList;
hostParams.push_back(peerParams);
}
// ofstream outdoc ("k3input.yaml");
cout << " Loading " << stringify(hostParams.size()) << " peers for " << hostname << endl;
string k3_cmd = "$MESOS_SANDBOX/" + k3binary + " -l INFO ";
for (auto &p : hostParams) {
YAML::Emitter emit;
emit << YAML::Flow << p;
k3_cmd += " -p '" + stringify(emit.c_str()) + "'";
}
// outdoc << emit.c_str();
// cout << emit.c_str();
TaskInfo task = buildTask(hostname,
stringify(containersLaunched++),
offers[profile.offer].slave_id());
task.mutable_command()->set_value(k3_cmd);
cout << " CMD " << k3_cmd << endl;
vector<TaskInfo> tasks; // Now running 1 task per slave
tasks.push_back(task);
cout << " Launching " << hostname << endl;
driver->launchTasks(offers[profile.offer].id(), tasks);
}
}
// Test that we can run the mesos-executor and specify an "override"
// command to use via the --override argument.
TEST_F(SlaveTest, MesosExecutorWithOverride)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
TestContainerizer containerizer;
Try<PID<Slave> > slave = StartSlave(&containerizer);
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get(), DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _))
.Times(1);
Future<vector<Offer> > offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
EXPECT_NE(0u, offers.get().size());
// Launch a task with the command executor.
TaskInfo task;
task.set_name("");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->MergeFrom(offers.get()[0].slave_id());
task.mutable_resources()->MergeFrom(offers.get()[0].resources());
CommandInfo command;
command.set_value("sleep 10");
task.mutable_command()->MergeFrom(command);
vector<TaskInfo> tasks;
tasks.push_back(task);
// Expect the launch and just assume it was sucessful since we'll be
// launching the executor ourselves manually below.
Future<Nothing> launch;
EXPECT_CALL(containerizer, launch(_, _, _, _, _, _, _))
.WillOnce(DoAll(FutureSatisfy(&launch),
Return(true)));
// Expect wait after launch is called but don't return anything
// until after we've finished everything below.
Future<Nothing> wait;
process::Promise<containerizer::Termination> promise;
EXPECT_CALL(containerizer, wait(_))
.WillOnce(DoAll(FutureSatisfy(&wait),
Return(promise.future())));
driver.launchTasks(offers.get()[0].id(), tasks);
// Once we get the launch the mesos-executor with --override.
AWAIT_READY(launch);
// Set up fake environment for executor.
map<string, string> environment;
environment["MESOS_SLAVE_PID"] = stringify(slave.get());
environment["MESOS_SLAVE_ID"] = stringify(offers.get()[0].slave_id());
environment["MESOS_FRAMEWORK_ID"] = stringify(offers.get()[0].framework_id());
environment["MESOS_EXECUTOR_ID"] = stringify(task.task_id());
environment["MESOS_DIRECTORY"] = "";
// Create temporary file to store validation string. If command is
// succesfully replaced, this file will end up containing the string
// 'Hello World\n'. Otherwise, the original task command i.e.
// 'sleep' will be called and the test will fail.
Try<std::string> file = os::mktemp();
ASSERT_SOME(file);
string executorCommand =
path::join(tests::flags.build_dir, "src", "mesos-executor") +
" --override -- /bin/sh -c 'echo hello world >" + file.get() + "'";
// Expect two status updates, one for once the mesos-executor says
// the task is running and one for after our overridden command
// above finishes.
Future<TaskStatus> status1, status2;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status1))
.WillOnce(FutureArg<1>(&status2));
Try<process::Subprocess> executor =
process::subprocess(
executorCommand,
process::Subprocess::PIPE(),
process::Subprocess::PIPE(),
process::Subprocess::PIPE(),
environment);
ASSERT_SOME(executor);
// Scheduler should receive the TASK_RUNNING update.
AWAIT_READY(status1);
ASSERT_EQ(TASK_RUNNING, status1.get().state());
AWAIT_READY(status2);
ASSERT_EQ(TASK_FINISHED, status2.get().state());
AWAIT_READY(wait);
containerizer::Termination termination;
termination.set_killed(false);
termination.set_message("Killed executor");
termination.set_status(0);
promise.set(termination);
driver.stop();
driver.join();
AWAIT_READY(executor.get().status());
// Verify file contents.
Try<std::string> validate = os::read(file.get());
ASSERT_SOME(validate);
EXPECT_EQ(validate.get(), "hello world\n");
os::rm(file.get());
Shutdown();
}
// 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 runs a command _with_ the command user field set. The
// command will verify the assumption that the command is run as the
// specified user. We use (and assume the precense) of the
// unprivileged 'nobody' user which should be available on both Linux
// and Mac OS X.
TEST_F(SlaveTest, DISABLED_ROOT_RunTaskWithCommandInfoWithUser)
{
// TODO(nnielsen): Introduce STOUT abstraction for user verification
// instead of flat getpwnam call.
const string testUser = "******";
if (::getpwnam(testUser.c_str()) == NULL) {
LOG(WARNING) << "Cannot run ROOT_RunTaskWithCommandInfoWithUser test:"
<< " user '" << testUser << "' is not present";
return;
}
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
// Need flags for 'executor_registration_timeout'.
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "posix/cpu,posix/mem";
Try<MesosContainerizer*> containerizer =
MesosContainerizer::create(flags, false);
CHECK_SOME(containerizer);
Try<PID<Slave> > slave = StartSlave(containerizer.get());
ASSERT_SOME(slave);
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, DEFAULT_FRAMEWORK_INFO, master.get(), DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(&driver, _, _))
.Times(1);
Future<vector<Offer> > offers;
EXPECT_CALL(sched, resourceOffers(&driver, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(offers);
EXPECT_NE(0u, offers.get().size());
// Launch a task with the command executor.
TaskInfo task;
task.set_name("");
task.mutable_task_id()->set_value("1");
task.mutable_slave_id()->MergeFrom(offers.get()[0].slave_id());
task.mutable_resources()->MergeFrom(offers.get()[0].resources());
CommandInfo command;
command.set_value("test `whoami` = " + testUser);
command.set_user(testUser);
task.mutable_command()->MergeFrom(command);
vector<TaskInfo> tasks;
tasks.push_back(task);
Future<TaskStatus> statusRunning;
Future<TaskStatus> statusFinished;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusRunning))
.WillOnce(FutureArg<1>(&statusFinished));
driver.launchTasks(offers.get()[0].id(), tasks);
AWAIT_READY(statusRunning);
EXPECT_EQ(TASK_RUNNING, statusRunning.get().state());
AWAIT_READY(statusFinished);
EXPECT_EQ(TASK_FINISHED, statusFinished.get().state());
driver.stop();
driver.join();
Shutdown(); // Must shutdown before 'containerizer' gets deallocated.
}
// 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 ensures we don't break the API when it comes to JSON
// representation of tasks. Also, we want to ensure that tasks are
// modeled the same way when using 'Task' vs. 'TaskInfo'.
TEST(HTTP, ModelTask)
{
TaskID taskId;
taskId.set_value("t");
SlaveID slaveId;
slaveId.set_value("s");
ExecutorID executorId;
executorId.set_value("t");
FrameworkID frameworkId;
frameworkId.set_value("f");
TaskState state = TASK_RUNNING;
vector<TaskStatus> statuses;
TaskStatus status;
status.mutable_task_id()->CopyFrom(taskId);
status.set_state(state);
status.mutable_slave_id()->CopyFrom(slaveId);
status.mutable_executor_id()->CopyFrom(executorId);
status.set_timestamp(0.0);
statuses.push_back(status);
TaskInfo task;
task.set_name("task");
task.mutable_task_id()->CopyFrom(taskId);
task.mutable_slave_id()->CopyFrom(slaveId);
task.mutable_command()->set_value("echo hello");
Task task_ = protobuf::createTask(task, state, frameworkId);
task_.add_statuses()->CopyFrom(statuses[0]);
JSON::Value object = model(task, frameworkId, state, statuses);
JSON::Value object_ = model(task_);
Try<JSON::Value> expected = JSON::parse(
"{"
" \"executor_id\":\"\","
" \"framework_id\":\"f\","
" \"id\":\"t\","
" \"name\":\"task\","
" \"resources\":"
" {"
" \"cpus\":0,"
" \"disk\":0,"
" \"mem\":0"
" },"
" \"slave_id\":\"s\","
" \"state\":\"TASK_RUNNING\","
" \"statuses\":"
" ["
" {"
" \"state\":\"TASK_RUNNING\","
" \"timestamp\":0"
" }"
" ]"
"}");
ASSERT_SOME(expected);
EXPECT_EQ(expected.get(), object);
EXPECT_EQ(expected.get(), object_);
// Ensure both are modeled the same.
EXPECT_EQ(object, object_);
}
// This test ensures we don't break the API when it comes to JSON
// representation of tasks.
TEST(HTTPTest, ModelTask)
{
TaskID taskId;
taskId.set_value("t");
SlaveID slaveId;
slaveId.set_value("s");
ExecutorID executorId;
executorId.set_value("t");
FrameworkID frameworkId;
frameworkId.set_value("f");
TaskState state = TASK_RUNNING;
vector<TaskStatus> statuses;
TaskStatus status;
status.mutable_task_id()->CopyFrom(taskId);
status.set_state(state);
status.mutable_slave_id()->CopyFrom(slaveId);
status.mutable_executor_id()->CopyFrom(executorId);
status.set_timestamp(0.0);
statuses.push_back(status);
Labels labels;
labels.add_labels()->CopyFrom(createLabel("ACTION", "port:7987 DENY"));
Ports ports;
Port* port = ports.add_ports();
port->set_number(80);
port->mutable_labels()->CopyFrom(labels);
DiscoveryInfo discovery;
discovery.set_visibility(DiscoveryInfo::CLUSTER);
discovery.set_name("discover");
discovery.mutable_ports()->CopyFrom(ports);
TaskInfo taskInfo;
taskInfo.set_name("task");
taskInfo.mutable_task_id()->CopyFrom(taskId);
taskInfo.mutable_slave_id()->CopyFrom(slaveId);
taskInfo.mutable_command()->set_value("echo hello");
taskInfo.mutable_discovery()->CopyFrom(discovery);
Task task = createTask(taskInfo, state, frameworkId);
task.add_statuses()->CopyFrom(statuses[0]);
JSON::Value object = model(task);
Try<JSON::Value> expected = JSON::parse(
"{"
" \"executor_id\":\"\","
" \"framework_id\":\"f\","
" \"id\":\"t\","
" \"name\":\"task\","
" \"resources\":"
" {"
" \"cpus\":0,"
" \"disk\":0,"
" \"gpus\":0,"
" \"mem\":0"
" },"
" \"slave_id\":\"s\","
" \"state\":\"TASK_RUNNING\","
" \"statuses\":"
" ["
" {"
" \"state\":\"TASK_RUNNING\","
" \"timestamp\":0"
" }"
" ],"
" \"discovery\":"
" {"
" \"name\":\"discover\","
" \"ports\":"
" {"
" \"ports\":"
" ["
" {"
" \"number\":80,"
" \"labels\":"
" {"
" \"labels\":"
" ["
" {"
" \"key\":\"ACTION\","
" \"value\":\"port:7987 DENY\""
" }"
" ]"
" }"
" }"
" ]"
" },"
" \"visibility\":\"CLUSTER\""
" }"
"}");
ASSERT_SOME(expected);
EXPECT_EQ(expected.get(), object);
}
