int main(int argc, char** argv)
{
if (argc != 2) {
cerr << "Usage: " << argv[0] << " <master>" << endl;
return -1;
}
DockerNoExecutorScheduler scheduler;
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("Docker No Executor Framework (C++)");
framework.set_checkpoint(true);
MesosSchedulerDriver* driver;
if (os::getenv("MESOS_AUTHENTICATE_FRAMEWORKS").isSome()) {
cout << "Enabling authentication for the framework" << endl;
Option<string> value = os::getenv("DEFAULT_PRINCIPAL");
if (value.isNone()) {
EXIT(EXIT_FAILURE)
<< "Expecting authentication principal in the environment";
}
Credential credential;
credential.set_principal(value.get());
framework.set_principal(value.get());
value = os::getenv("DEFAULT_SECRET");
if (value.isNone()) {
EXIT(EXIT_FAILURE)
<< "Expecting authentication secret in the environment";
}
credential.set_secret(value.get());
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1], credential);
} else {
framework.set_principal("no-executor-framework-cpp");
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1]);
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
int main(int argc, char** argv)
{
if (argc != 2) {
cerr << "Usage: " << argv[0] << " <master>" << endl;
return -1;
}
NoExecutorScheduler scheduler;
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("No Executor Framework (C++)");
// TODO(vinod): Make checkpointing the default when it is default
// on the slave.
if (os::hasenv("MESOS_CHECKPOINT")) {
cout << "Enabling checkpoint for the framework" << endl;
framework.set_checkpoint(true);
}
MesosSchedulerDriver* driver;
if (os::hasenv("MESOS_AUTHENTICATE")) {
cout << "Enabling authentication for the framework" << endl;
if (!os::hasenv("DEFAULT_PRINCIPAL")) {
EXIT(1) << "Expecting authentication principal in the environment";
}
if (!os::hasenv("DEFAULT_SECRET")) {
EXIT(1) << "Expecting authentication secret in the environment";
}
Credential credential;
credential.set_principal(getenv("DEFAULT_PRINCIPAL"));
credential.set_secret(getenv("DEFAULT_SECRET"));
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1], credential);
} else {
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1]);
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
// This test verifies that status update manager ignores
// unexpected ACK for an earlier update when it is waiting
// for an ACK for another update. We do this by dropping ACKs
// for the original update and sending a random ACK to the slave.
TEST_F(StatusUpdateManagerTest, IgnoreUnexpectedStatusUpdateAck)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
slave::Flags flags = CreateSlaveFlags();
flags.checkpoint = true;
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo; // Bug in gcc 4.1.*, must assign on next line.
frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
FrameworkID frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(SaveArg<1>(&frameworkId));
Future<vector<Offer> > offers;
EXPECT_CALL(sched, resourceOffers(_, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
driver.start();
AWAIT_READY(offers);
EXPECT_NE(0u, offers.get().size());
ExecutorDriver* execDriver;
EXPECT_CALL(exec, registered(_, _, _, _))
.WillOnce(SaveArg<0>(&execDriver));
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_RUNNING));
Future<StatusUpdateMessage> statusUpdateMessage =
FUTURE_PROTOBUF(StatusUpdateMessage(), master.get(), _);
// Drop the ACKs, so that status update manager
// retries the update.
DROP_PROTOBUFS(StatusUpdateAcknowledgementMessage(), _, _);
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(statusUpdateMessage);
StatusUpdate update = statusUpdateMessage.get().update();
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
Future<Nothing> unexpectedAck =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
// Now send an ACK with a random UUID.
process::dispatch(
slave.get(),
&Slave::statusUpdateAcknowledgement,
update.slave_id(),
frameworkId,
update.status().task_id(),
UUID::random().toBytes());
AWAIT_READY(unexpectedAck);
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
// This test verifies that status update manager ignores
// duplicate ACK for an earlier update when it is waiting
// for an ACK for a later update. This could happen when the
// duplicate ACK is for a retried update.
TEST_F(StatusUpdateManagerTest, IgnoreDuplicateStatusUpdateAck)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
slave::Flags flags = CreateSlaveFlags();
flags.checkpoint = true;
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo; // Bug in gcc 4.1.*, must assign on next line.
frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
FrameworkID frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(SaveArg<1>(&frameworkId));
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());
ExecutorDriver* execDriver;
EXPECT_CALL(exec, registered(_, _, _, _))
.WillOnce(SaveArg<0>(&execDriver));
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_RUNNING));
// Drop the first update, so that status update manager
// resends the update.
Future<StatusUpdateMessage> statusUpdateMessage =
DROP_PROTOBUF(StatusUpdateMessage(), master.get(), _);
Clock::pause();
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(statusUpdateMessage);
StatusUpdate update = statusUpdateMessage.get().update();
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
// This is the ACK for the retried update.
Future<Nothing> ack =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
Clock::advance(slave::STATUS_UPDATE_RETRY_INTERVAL);
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
AWAIT_READY(ack);
// Now send TASK_FINISHED update so that the status update manager
// is waiting for its ACK, which it never gets because we drop the
// update.
DROP_PROTOBUFS(StatusUpdateMessage(), master.get(), _);
Future<Nothing> update2 = FUTURE_DISPATCH(_, &Slave::_statusUpdate);
TaskStatus status2 = status.get();
status2.set_state(TASK_FINISHED);
execDriver->sendStatusUpdate(status2);
AWAIT_READY(update2);
// This is to catch the duplicate ack for TASK_RUNNING.
Future<Nothing> duplicateAck =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
// Now send a duplicate ACK for the TASK_RUNNING update.
process::dispatch(
slave.get(),
&Slave::statusUpdateAcknowledgement,
update.slave_id(),
frameworkId,
update.status().task_id(),
update.uuid());
AWAIT_READY(duplicateAck);
Clock::resume();
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
TEST_F(StatusUpdateManagerTest, RetryStatusUpdate)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
slave::Flags flags = CreateSlaveFlags();
flags.checkpoint = true;
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo; // Bug in gcc 4.1.*, must assign on next line.
frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(_, _, _))
.Times(1);
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());
EXPECT_CALL(exec, registered(_, _, _, _))
.Times(1);
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_RUNNING));
Future<StatusUpdateMessage> statusUpdateMessage =
DROP_PROTOBUF(StatusUpdateMessage(), master.get(), _);
Clock::pause();
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(statusUpdateMessage);
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
Clock::advance(slave::STATUS_UPDATE_RETRY_INTERVAL);
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
Clock::resume();
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
// This test verifies that if master receives a status update
// for an already terminated task it forwards it without
// changing the state of the task.
TEST_F(StatusUpdateManagerTest, DuplicatedTerminalStatusUpdate)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
Try<PID<Slave>> slave = StartSlave(&exec);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
FrameworkID frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(SaveArg<1>(&frameworkId));
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());
ExecutorDriver* execDriver;
EXPECT_CALL(exec, registered(_, _, _, _))
.WillOnce(SaveArg<0>(&execDriver));
// Send a terminal update right away.
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_FINISHED));
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
Future<Nothing> _statusUpdateAcknowledgement =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(status);
EXPECT_EQ(TASK_FINISHED, status.get().state());
AWAIT_READY(_statusUpdateAcknowledgement);
Future<TaskStatus> update;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&update));
Future<Nothing> _statusUpdateAcknowledgement2 =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdateAcknowledgement);
Clock::pause();
// Now send a TASK_KILLED update for the same task.
TaskStatus status2 = status.get();
status2.set_state(TASK_KILLED);
execDriver->sendStatusUpdate(status2);
// Ensure the scheduler receives TASK_KILLED.
AWAIT_READY(update);
EXPECT_EQ(TASK_KILLED, update.get().state());
// Ensure the slave properly handles the ACK.
// Clock::settle() ensures that the slave successfully
// executes Slave::_statusUpdateAcknowledgement().
AWAIT_READY(_statusUpdateAcknowledgement2);
// Verify the latest task status.
Future<process::http::Response> tasks =
process::http::get(master.get(), "tasks");
AWAIT_EXPECT_RESPONSE_STATUS_EQ(process::http::OK().status, tasks);
AWAIT_EXPECT_RESPONSE_HEADER_EQ(APPLICATION_JSON, "Content-Type", tasks);
Try<JSON::Object> parse = JSON::parse<JSON::Object>(tasks.get().body);
ASSERT_SOME(parse);
Result<JSON::String> state = parse.get().find<JSON::String>("tasks[0].state");
ASSERT_SOME_EQ(JSON::String("TASK_FINISHED"), state);
Clock::resume();
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
// 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";
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;
// 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);
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;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&running));
Future<Nothing> _statusUpdateAcknowledgement =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offers.get()[0].id(), {task});
AWAIT_READY(running);
EXPECT_EQ(task.task_id(), running.get().task_id());
EXPECT_EQ(TASK_RUNNING, running.get().state());
// Wait for the ACK to be checkpointed.
AWAIT_READY_FOR(_statusUpdateAcknowledgement, 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.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();
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.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();
}
int main(int argc, char** argv)
{
if (argc != 2) {
cerr << "Usage: " << argv[0] << " <master>" << endl;
return -1;
}
// Find this executable's directory to locate executor.
string path = os::realpath(dirname(argv[0])).get();
string uri = path + "/long-lived-executor";
if (getenv("MESOS_BUILD_DIR")) {
uri = string(getenv("MESOS_BUILD_DIR")) + "/src/long-lived-executor";
}
ExecutorInfo executor;
executor.mutable_executor_id()->set_value("default");
executor.mutable_command()->set_value(uri);
executor.set_name("Long Lived Executor (C++)");
executor.set_source("cpp_long_lived_framework");
LongLivedScheduler scheduler(executor);
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("Long Lived Framework (C++)");
// TODO(vinod): Make checkpointing the default when it is default
// on the slave.
if (os::hasenv("MESOS_CHECKPOINT")) {
cout << "Enabling checkpoint for the framework" << endl;
framework.set_checkpoint(true);
}
MesosSchedulerDriver* driver;
if (os::hasenv("MESOS_AUTHENTICATE")) {
cout << "Enabling authentication for the framework" << endl;
if (!os::hasenv("DEFAULT_PRINCIPAL")) {
EXIT(1) << "Expecting authentication principal in the environment";
}
if (!os::hasenv("DEFAULT_SECRET")) {
EXIT(1) << "Expecting authentication secret in the environment";
}
Credential credential;
credential.set_principal(getenv("DEFAULT_PRINCIPAL"));
credential.set_secret(getenv("DEFAULT_SECRET"));
framework.set_principal(getenv("DEFAULT_PRINCIPAL"));
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1], credential);
} else {
framework.set_principal("long-lived-framework-cpp");
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1]);
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
TEST_F(StatusUpdateManagerTest, CheckpointStatusUpdate)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
slave::Flags flags = CreateSlaveFlags();
flags.checkpoint = true;
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo; // Bug in gcc 4.1.*, must assign on next line.
frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
EXPECT_CALL(sched, registered(_, _, _))
.Times(1);
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());
EXPECT_CALL(exec, registered(_, _, _, _))
.Times(1);
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_RUNNING));
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
Future<Nothing> _statusUpdateAcknowledgement =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
AWAIT_READY(_statusUpdateAcknowledgement);
// Ensure that both the status update and its acknowledgement are
// correctly checkpointed.
Try<list<string> > found = os::find(flags.work_dir, TASK_UPDATES_FILE);
ASSERT_SOME(found);
ASSERT_EQ(1u, found.get().size());
Try<int> fd = os::open(found.get().front(), O_RDONLY);
ASSERT_SOME(fd);
int updates = 0;
int acks = 0;
string uuid;
Result<StatusUpdateRecord> record = None();
while (true) {
record = ::protobuf::read<StatusUpdateRecord>(fd.get());
ASSERT_FALSE(record.isError());
if (record.isNone()) { // Reached EOF.
break;
}
if (record.get().type() == StatusUpdateRecord::UPDATE) {
EXPECT_EQ(TASK_RUNNING, record.get().update().status().state());
uuid = record.get().update().uuid();
updates++;
} else {
EXPECT_EQ(uuid, record.get().uuid());
acks++;
}
}
ASSERT_EQ(1, updates);
ASSERT_EQ(1, acks);
close(fd.get());
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
int main(int argc, char** argv)
{
Flags flags;
Try<flags::Warnings> load = flags.load("MESOS_EXAMPLE_", argc, argv);
if (load.isError()) {
std::cerr << flags.usage(load.error()) << std::endl;
return EXIT_FAILURE;
}
if (flags.help) {
std::cout << flags.usage() << std::endl;
return EXIT_SUCCESS;
}
mesos::internal::logging::initialize(argv[0], false);
// Log any flag warnings (after logging is initialized).
foreach (const flags::Warning& warning, load->warnings) {
LOG(WARNING) << warning.message;
}
if (flags.qps <= 0.0) {
EXIT(EXIT_FAILURE) << "Flag '--qps' needs to be greater than zero";
}
LoadGeneratorScheduler scheduler(flags.qps, flags.duration);
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_principal(flags.principal);
framework.set_name(FRAMEWORK_NAME);
framework.set_checkpoint(flags.checkpoint);
framework.add_roles(flags.role);
framework.add_capabilities()->set_type(
FrameworkInfo::Capability::RESERVATION_REFINEMENT);
framework.set_checkpoint(flags.checkpoint);
if (flags.master == "local") {
// Configure master.
os::setenv("MESOS_ROLES", flags.role);
os::setenv("MESOS_AUTHENTICATE_FRAMEWORKS", stringify(flags.authenticate));
ACLs acls;
ACL::RegisterFramework* acl = acls.add_register_frameworks();
acl->mutable_principals()->set_type(ACL::Entity::ANY);
acl->mutable_roles()->add_values("*");
os::setenv("MESOS_ACLS", stringify(JSON::protobuf(acls)));
}
MesosSchedulerDriver* driver;
if (flags.authenticate) {
LOG(INFO) << "Enabling authentication for the framework";
Credential credential;
credential.set_principal(flags.principal);
if (flags.secret.isSome()) {
credential.set_secret(flags.secret.get());
}
driver = new MesosSchedulerDriver(
&scheduler,
framework,
flags.master,
credential);
} else {
driver = new MesosSchedulerDriver(
&scheduler,
framework,
flags.master);
}
int status = driver->run() == DRIVER_STOPPED ? EXIT_SUCCESS : EXIT_FAILURE;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
int main(int argc, char** argv)
{
if (argc != 2) {
cerr << "Usage: " << argv[0] << " <master>" << endl;
return -1;
}
// Find this executable's directory to locate executor.
string uri;
Option<string> value = os::getenv("MESOS_BUILD_DIR");
if (value.isSome()) {
uri = path::join(value.get(), "src", "long-lived-executor");
} else {
uri = path::join(
os::realpath(Path(argv[0]).dirname()).get(),
"long-lived-executor");
}
ExecutorInfo executor;
executor.mutable_executor_id()->set_value("default");
executor.mutable_command()->set_value(uri);
executor.set_name("Long Lived Executor (C++)");
executor.set_source("cpp_long_lived_framework");
LongLivedScheduler scheduler(executor);
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("Long Lived Framework (C++)");
value = os::getenv("MESOS_CHECKPOINT");
if (value.isSome()) {
framework.set_checkpoint(
numify<bool>(value.get()).get());
}
MesosSchedulerDriver* driver;
if (os::getenv("MESOS_AUTHENTICATE").isSome()) {
cout << "Enabling authentication for the framework" << endl;
value = os::getenv("DEFAULT_PRINCIPAL");
if (value.isNone()) {
EXIT(1) << "Expecting authentication principal in the environment";
}
Credential credential;
credential.set_principal(value.get());
framework.set_principal(value.get());
value = os::getenv("DEFAULT_SECRET");
if (value.isNone()) {
EXIT(1) << "Expecting authentication secret in the environment";
}
credential.set_secret(value.get());
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1], credential);
} else {
framework.set_principal("long-lived-framework-cpp");
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1]);
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
// This test verifies that persistent volumes are unmounted properly
// after a checkpointed framework disappears and the slave restarts.
//
// TODO(jieyu): Even though the command task specifies a new
// filesystem root, the executor (command executor) itself does not
// change filesystem root (uses the host filesystem). We need to add a
// test to test the scenario that the executor itself changes rootfs.
TEST_F(LinuxFilesystemIsolatorMesosTest,
ROOT_RecoverOrphanedPersistentVolume)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
string registry = path::join(sandbox.get(), "registry");
AWAIT_READY(DockerArchive::create(registry, "test_image"));
slave::Flags flags = CreateSlaveFlags();
flags.resources = "cpus:2;mem:1024;disk(role1):1024";
flags.isolation = "filesystem/linux,docker/runtime";
flags.docker_registry = registry;
flags.docker_store_dir = path::join(sandbox.get(), "store");
flags.image_providers = "docker";
Fetcher fetcher(flags);
Try<MesosContainerizer*> create =
MesosContainerizer::create(flags, true, &fetcher);
ASSERT_SOME(create);
Owned<Containerizer> containerizer(create.get());
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave = StartSlave(
detector.get(),
containerizer.get(),
flags);
ASSERT_SOME(slave);
MockScheduler sched;
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_roles(0, "role1");
frameworkInfo.set_checkpoint(true);
MesosSchedulerDriver driver(
&sched,
frameworkInfo,
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_FALSE(offers->empty());
Offer offer = offers.get()[0];
string dir1 = path::join(sandbox.get(), "dir1");
ASSERT_SOME(os::mkdir(dir1));
Resource persistentVolume = createPersistentVolume(
Megabytes(64),
"role1",
"id1",
"path1",
None(),
None(),
frameworkInfo.principal());
// Create a task that does nothing for a long time.
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:512").get() + persistentVolume,
"sleep 1000");
task.mutable_container()->CopyFrom(createContainerInfo(
"test_image",
{createVolumeHostPath("/tmp", dir1, Volume::RW)}));
Future<TaskStatus> statusStarting;
Future<TaskStatus> statusRunning;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&statusStarting))
.WillOnce(FutureArg<1>(&statusRunning))
.WillRepeatedly(DoDefault());
Future<Nothing> ack =
FUTURE_DISPATCH(_, &Slave::_statusUpdateAcknowledgement);
// Create the persistent volumes and launch task via `acceptOffers`.
driver.acceptOffers(
{offer.id()},
{CREATE(persistentVolume), LAUNCH({task})});
AWAIT_READY(statusStarting);
EXPECT_EQ(TASK_STARTING, statusStarting->state());
AWAIT_READY(statusRunning);
EXPECT_EQ(TASK_RUNNING, statusRunning->state());
// Wait for the ACK to be checkpointed.
AWAIT_READY(ack);
Future<hashset<ContainerID>> containers = containerizer->containers();
AWAIT_READY(containers);
ASSERT_EQ(1u, containers->size());
ContainerID containerId = *containers->begin();
// Restart the slave.
slave.get()->terminate();
// Wipe the slave meta directory so that the slave will treat the
// above running task as an orphan.
ASSERT_SOME(os::rmdir(slave::paths::getMetaRootDir(flags.work_dir)));
Future<Nothing> _recover = FUTURE_DISPATCH(_, &Slave::_recover);
// Recreate the containerizer using the same helper as above.
containerizer.reset();
create = MesosContainerizer::create(flags, true, &fetcher);
ASSERT_SOME(create);
containerizer.reset(create.get());
slave = StartSlave(detector.get(), containerizer.get(), flags);
ASSERT_SOME(slave);
// Wait until slave recovery is complete.
AWAIT_READY(_recover);
// Wait until the orphan containers are cleaned up.
AWAIT_READY(containerizer->wait(containerId));
Try<fs::MountInfoTable> table = fs::MountInfoTable::read();
ASSERT_SOME(table);
// All mount targets should be under this directory.
string directory = slave::paths::getSandboxRootDir(flags.work_dir);
// Verify that the orphaned container's persistent volume and
// the rootfs are unmounted.
foreach (const fs::MountInfoTable::Entry& entry, table->entries) {
EXPECT_FALSE(strings::contains(entry.target, directory))
<< "Target was not unmounted: " << entry.target;
}
driver.stop();
driver.join();
}
int main(int argc, char** argv)
{
Flags flags;
Try<Nothing> load = flags.load("MESOS_", argc, argv);
if (load.isError()) {
cerr << flags.usage(load.error()) << endl;
return EXIT_FAILURE;
}
if (flags.help) {
cout << flags.usage() << endl;
return EXIT_SUCCESS;
}
if (flags.master.isNone()) {
cerr << flags.usage( "Missing required option --master") << endl;
return EXIT_FAILURE;
}
if (flags.qps.isNone()) {
cerr << flags.usage("Missing required option --qps") << endl;
return EXIT_FAILURE;
}
if (flags.qps.get() <= 0) {
cerr << flags.usage("--qps needs to be greater than zero") << endl;
return EXIT_FAILURE;
}
// We want the logger to catch failure signals.
mesos::internal::logging::initialize(argv[0], flags, true);
LoadGeneratorScheduler scheduler(flags.qps.get(), flags.duration);
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("Load Generator Framework (C++)");
const Option<string> checkpoint = os::getenv("MESOS_CHECKPOINT");
if (checkpoint.isSome()) {
framework.set_checkpoint(
numify<bool>(checkpoint.get()).get());
}
MesosSchedulerDriver* driver;
if (flags.authenticate) {
cout << "Enabling authentication for the framework" << endl;
if (flags.secret.isNone()) {
cerr << "Expecting --secret when --authenticate is set" << endl;
return EXIT_FAILURE;
}
string secret = flags.secret.get();
Credential credential;
credential.set_principal(flags.principal);
credential.set_secret(strings::trim(secret));
framework.set_principal(flags.principal);
driver = new MesosSchedulerDriver(
&scheduler, framework, flags.master.get(), credential);
} else {
framework.set_principal(flags.principal);
driver = new MesosSchedulerDriver(
&scheduler, framework, flags.master.get());
}
int status = driver->run() == DRIVER_STOPPED ? EXIT_SUCCESS : EXIT_SUCCESS;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
int main(int argc, char** argv)
{
// Find this executable's directory to locate executor.
string path = os::realpath(dirname(argv[0])).get();
string uri = path + "/test-executor";
if (getenv("MESOS_BUILD_DIR")) {
uri = string(getenv("MESOS_BUILD_DIR")) + "/src/test-executor";
}
mesos::internal::logging::Flags flags;
string role;
flags.add(&role,
"role",
"Role to use when registering",
"*");
Option<string> master;
flags.add(&master,
"master",
"ip:port of master to connect");
Try<Nothing> load = flags.load(None(), argc, argv);
if (load.isError()) {
cerr << load.error() << endl;
usage(argv[0], flags);
exit(1);
} else if (master.isNone()) {
cerr << "Missing --master" << endl;
usage(argv[0], flags);
exit(1);
}
ExecutorInfo executor;
executor.mutable_executor_id()->set_value("default");
executor.mutable_command()->set_value(uri);
executor.set_name("Test Executor (C++)");
executor.set_source("cpp_test");
TestScheduler scheduler(executor, role);
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("Test Framework (C++)");
framework.set_role(role);
// TODO(vinod): Make checkpointing the default when it is default
// on the slave.
if (os::hasenv("MESOS_CHECKPOINT")) {
cout << "Enabling checkpoint for the framework" << endl;
framework.set_checkpoint(true);
}
MesosSchedulerDriver* driver;
if (os::hasenv("MESOS_AUTHENTICATE")) {
cout << "Enabling authentication for the framework" << endl;
if (!os::hasenv("DEFAULT_PRINCIPAL")) {
EXIT(1) << "Expecting authentication principal in the environment";
}
if (!os::hasenv("DEFAULT_SECRET")) {
EXIT(1) << "Expecting authentication secret in the environment";
}
Credential credential;
credential.set_principal(getenv("DEFAULT_PRINCIPAL"));
credential.set_secret(getenv("DEFAULT_SECRET"));
driver = new MesosSchedulerDriver(
&scheduler, framework, master.get(), credential);
} else {
driver = new MesosSchedulerDriver(
&scheduler, framework, master.get());
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
delete driver;
return status;
}
TEST_F(StatusUpdateManagerTest, CheckpointStatusUpdate)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
// Require flags to retrieve work_dir when recovering
// the checkpointed data.
slave::Flags flags = CreateSlaveFlags();
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
Future<FrameworkID> frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(FutureArg<1>(&frameworkId));
Future<vector<Offer> > offers;
EXPECT_CALL(sched, resourceOffers(_, _))
.WillOnce(FutureArg<1>(&offers))
.WillRepeatedly(Return()); // Ignore subsequent offers.
driver.start();
AWAIT_READY(frameworkId);
AWAIT_READY(offers);
EXPECT_NE(0u, offers.get().size());
EXPECT_CALL(exec, registered(_, _, _, _))
.Times(1);
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_RUNNING));
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
Future<Nothing> _statusUpdateAcknowledgement =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
AWAIT_READY(_statusUpdateAcknowledgement);
// Ensure that both the status update and its acknowledgement are
// correctly checkpointed.
Result<slave::state::State> state =
slave::state::recover(slave::paths::getMetaRootDir(flags.work_dir), true);
ASSERT_SOME(state);
ASSERT_SOME(state.get().slave);
ASSERT_TRUE(state.get().slave.get().frameworks.contains(frameworkId.get()));
slave::state::FrameworkState frameworkState =
state.get().slave.get().frameworks.get(frameworkId.get()).get();
ASSERT_EQ(1u, frameworkState.executors.size());
slave::state::ExecutorState executorState =
frameworkState.executors.begin()->second;
ASSERT_EQ(1u, executorState.runs.size());
slave::state::RunState runState = executorState.runs.begin()->second;
ASSERT_EQ(1u, runState.tasks.size());
slave::state::TaskState taskState = runState.tasks.begin()->second;
EXPECT_EQ(1u, taskState.updates.size());
EXPECT_EQ(1u, taskState.acks.size());
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
// This test verifies that the slave and status update manager
// properly handle duplicate terminal status updates, when the
// second update is received after the ACK for the first update.
// The proper behavior here is for the status update manager to
// forward the duplicate update to the scheduler.
TEST_F(StatusUpdateManagerTest, DuplicateTerminalUpdateAfterAck)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
slave::Flags flags = CreateSlaveFlags();
flags.checkpoint = true;
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo; // Bug in gcc 4.1.*, must assign on next line.
frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
FrameworkID frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(SaveArg<1>(&frameworkId));
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());
ExecutorDriver* execDriver;
EXPECT_CALL(exec, registered(_, _, _, _))
.WillOnce(SaveArg<0>(&execDriver));
// Send a terminal update right away.
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_FINISHED));
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
Future<Nothing> _statusUpdateAcknowledgement =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdateAcknowledgement);
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(status);
EXPECT_EQ(TASK_FINISHED, status.get().state());
AWAIT_READY(_statusUpdateAcknowledgement);
Future<TaskStatus> update;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&update));
Future<Nothing> _statusUpdateAcknowledgement2 =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdateAcknowledgement);
Clock::pause();
// Now send a TASK_KILLED update for the same task.
TaskStatus status2 = status.get();
status2.set_state(TASK_KILLED);
execDriver->sendStatusUpdate(status2);
// Ensure the scheduler receives TASK_KILLED.
AWAIT_READY(update);
EXPECT_EQ(TASK_KILLED, update.get().state());
// Ensure the slave properly handles the ACK.
// Clock::settle() ensures that the slave successfully
// executes Slave::_statusUpdateAcknowledgement().
AWAIT_READY(_statusUpdateAcknowledgement2);
Clock::settle();
Clock::resume();
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
driver.stop();
driver.join();
Shutdown();
}
// This test verifies that the slave and status update manager
// properly handle duplicate status updates, when the second
// update with the same UUID is received before the ACK for the
// first update. The proper behavior here is for the status update
// manager to drop the duplicate update.
TEST_F(StatusUpdateManagerTest, DuplicateUpdateBeforeAck)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
slave::Flags flags = CreateSlaveFlags();
flags.checkpoint = true;
Try<PID<Slave> > slave = StartSlave(&exec, flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo; // Bug in gcc 4.1.*, must assign on next line.
frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
FrameworkID frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(SaveArg<1>(&frameworkId));
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());
ExecutorDriver* execDriver;
EXPECT_CALL(exec, registered(_, _, _, _))
.WillOnce(SaveArg<0>(&execDriver));
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_RUNNING));
// Capture the first status update message.
Future<StatusUpdateMessage> statusUpdateMessage =
FUTURE_PROTOBUF(StatusUpdateMessage(), _, _);
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
// Drop the first ACK from the scheduler to the slave.
Future<StatusUpdateAcknowledgementMessage> statusUpdateAcknowledgementMessage =
DROP_PROTOBUF(StatusUpdateAcknowledgementMessage(), _, slave.get());
Clock::pause();
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(statusUpdateMessage);
AWAIT_READY(status);
EXPECT_EQ(TASK_RUNNING, status.get().state());
AWAIT_READY(statusUpdateAcknowledgementMessage);
Future<Nothing> _statusUpdate =
FUTURE_DISPATCH(slave.get(), &Slave::_statusUpdate);
// Now resend the TASK_RUNNING update.
process::post(slave.get(), statusUpdateMessage.get());
// At this point the status update manager has handled
// the duplicate status update.
AWAIT_READY(_statusUpdate);
// After we advance the clock, the status update manager should
// retry the TASK_RUNING update and the scheduler should receive
// and acknowledge it.
Future<TaskStatus> update;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&update));
Clock::advance(slave::STATUS_UPDATE_RETRY_INTERVAL);
Clock::settle();
// Ensure the scheduler receives TASK_FINISHED.
AWAIT_READY(update);
EXPECT_EQ(TASK_RUNNING, update.get().state());
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
Clock::resume();
driver.stop();
driver.join();
Shutdown();
}
// In this test, the framework is checkpointed so we expect the executor to
// persist across the slave restart and to have the same resource usage before
// and after.
TEST_F(ROOT_XFS_QuotaTest, CheckpointRecovery)
{
slave::Flags flags = CreateSlaveFlags();
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
Owned<MasterDetector> detector = master.get()->createDetector();
Try<Owned<cluster::Slave>> slave =
StartSlave(detector.get(), CreateSlaveFlags());
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true);
MockScheduler sched;
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];
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:128;disk:1").get(),
"dd if=/dev/zero of=file bs=1048576 count=1; sleep 1000");
Future<TaskStatus> startingStatus;
Future<TaskStatus> runningStatus;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&startingStatus))
.WillOnce(FutureArg<1>(&runningStatus));
driver.launchTasks(offer.id(), {task});
AWAIT_READY(startingStatus);
EXPECT_EQ(task.task_id(), startingStatus->task_id());
EXPECT_EQ(TASK_STARTING, startingStatus->state());
AWAIT_READY(startingStatus);
EXPECT_EQ(task.task_id(), runningStatus->task_id());
EXPECT_EQ(TASK_RUNNING, runningStatus->state());
Future<ResourceUsage> usage1 =
process::dispatch(slave.get()->pid, &Slave::usage);
AWAIT_READY(usage1);
// We should have 1 executor using resources.
ASSERT_EQ(1, usage1->executors().size());
// Restart the slave.
slave.get()->terminate();
Future<SlaveReregisteredMessage> slaveReregisteredMessage =
FUTURE_PROTOBUF(SlaveReregisteredMessage(), _, _);
slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
// Wait for the slave to re-register.
AWAIT_READY(slaveReregisteredMessage);
Future<ResourceUsage> usage2 =
process::dispatch(slave.get()->pid, &Slave::usage);
AWAIT_READY(usage2);
// We should have still have 1 executor using resources.
ASSERT_EQ(1, usage1->executors().size());
Try<std::list<string>> sandboxes = os::glob(path::join(
slave::paths::getSandboxRootDir(mountPoint.get()),
"*",
"frameworks",
"*",
"executors",
"*",
"runs",
"*"));
ASSERT_SOME(sandboxes);
// One sandbox and one symlink.
ASSERT_EQ(2u, sandboxes->size());
// Scan the remaining sandboxes. We ought to still have project IDs
// assigned to them all.
foreach (const string& sandbox, sandboxes.get()) {
// Skip the "latest" symlink.
if (os::stat::islink(sandbox)) {
continue;
}
EXPECT_SOME(xfs::getProjectId(sandbox));
}
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();
}
// In this test, the agent initially doesn't enable disk isolation
// but then restarts with XFS disk isolation enabled. We verify that
// the old container launched before the agent restart is
// successfully recovered.
TEST_F(ROOT_XFS_QuotaTest, RecoverOldContainers)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
Owned<MasterDetector> detector = master.get()->createDetector();
slave::Flags flags = CreateSlaveFlags();
// `CreateSlaveFlags()` enables `disk/xfs` so here we reset
// `isolation` to empty.
flags.isolation.clear();
Try<Owned<cluster::Slave>> slave = StartSlave(detector.get(), flags);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true);
MockScheduler sched;
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];
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:128;disk:1").get(),
"dd if=/dev/zero of=file bs=1024 count=1; sleep 1000");
Future<TaskStatus> startingStatus;
Future<TaskStatus> runningstatus;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&startingStatus))
.WillOnce(FutureArg<1>(&runningstatus));
driver.launchTasks(offer.id(), {task});
AWAIT_READY(startingStatus);
EXPECT_EQ(task.task_id(), startingStatus->task_id());
EXPECT_EQ(TASK_STARTING, startingStatus->state());
AWAIT_READY(runningstatus);
EXPECT_EQ(task.task_id(), runningstatus->task_id());
EXPECT_EQ(TASK_RUNNING, runningstatus->state());
{
Future<ResourceUsage> usage =
process::dispatch(slave.get()->pid, &Slave::usage);
AWAIT_READY(usage);
// We should have 1 executor using resources but it doesn't have
// disk limit enabled.
ASSERT_EQ(1, usage->executors().size());
const ResourceUsage_Executor& executor = usage->executors().Get(0);
ASSERT_TRUE(executor.has_statistics());
ASSERT_FALSE(executor.statistics().has_disk_limit_bytes());
}
// Restart the slave.
slave.get()->terminate();
Future<SlaveReregisteredMessage> slaveReregisteredMessage =
FUTURE_PROTOBUF(SlaveReregisteredMessage(), _, _);
// This time use the agent flags that include XFS disk isolation.
slave = StartSlave(detector.get(), CreateSlaveFlags());
ASSERT_SOME(slave);
// Wait for the slave to re-register.
AWAIT_READY(slaveReregisteredMessage);
{
Future<ResourceUsage> usage =
process::dispatch(slave.get()->pid, &Slave::usage);
AWAIT_READY(usage);
// We should still have 1 executor using resources but it doesn't
// have disk limit enabled.
ASSERT_EQ(1, usage->executors().size());
const ResourceUsage_Executor& executor = usage->executors().Get(0);
ASSERT_TRUE(executor.has_statistics());
ASSERT_FALSE(executor.statistics().has_disk_limit_bytes());
}
driver.stop();
driver.join();
}
int main(int argc, char** argv)
{
string master = MASTER;
string k3binary;
string paramfile;
int total_peers;
YAML::Node k3vars;
// Parse Command Line options
string path = os::realpath(dirname(argv[0])).get();
namespace po = boost::program_options;
vector <string> optionalVars;
po::options_description desc("K3 Run options");
desc.add_options()
("program", po::value<string>(&k3binary)->required(), "K3 executable program filename")
("numpeers", po::value<int>(&total_peers)->required(), "# of K3 Peers to launch")
("help,h", "Print help message")
("param,p", po::value<string>(¶mfile)->required(), "YAML Formatted input file");
po::positional_options_description positionalOptions;
positionalOptions.add("program", 1);
positionalOptions.add("numpeers", 1);
po::variables_map vm;
try {
po::store(po::command_line_parser(argc, argv).options(desc)
.positional(positionalOptions).run(), vm);
if (vm.count("help") || vm.empty()) {
cout << "K3 Distributed program framework backed by Mesos cluser" << endl;
cout << desc << endl;
return 0;
}
po::notify(vm);
k3vars = YAML::LoadFile(paramfile);
}
catch (boost::program_options::required_option& e) {
cerr << " ERROR: " << e.what() << endl << endl;
cout << desc << endl;
return 1;
}
catch (boost::program_options::error& e) {
cerr << " ERROR: " << e.what() << endl << endl;
cout << desc << endl;
return 1;
}
KDScheduler scheduler(k3binary, total_peers, k3vars, path);
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name(k3binary + "-" + stringify(total_peers));
framework.mutable_id()->set_value(k3binary);
if (os::hasenv("MESOS_CHECKPOINT")) {
cout << "Enabling checkpoint for the framework" << endl;
framework.set_checkpoint(true);
}
MesosSchedulerDriver* driver;
if (os::hasenv("MESOS_AUTHENTICATE")) {
cout << "Enabling authentication for the framework" << endl;
if (!os::hasenv("DEFAULT_PRINCIPAL")) {
EXIT(1) << "Expecting authentication principal in the environment";
}
if (!os::hasenv("DEFAULT_SECRET")) {
EXIT(1) << "Expecting authentication secret in the environment";
}
Credential credential;
credential.set_principal(getenv("DEFAULT_PRINCIPAL"));
credential.set_secret(getenv("DEFAULT_SECRET"));
framework.set_principal(getenv("DEFAULT_PRINCIPAL"));
driver = new MesosSchedulerDriver(
&scheduler, framework, master, credential);
} else {
framework.set_principal("k3-docker-no-executor-framework-cpp");
driver = new MesosSchedulerDriver(&scheduler, framework, master);
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
// This test verifies that disk quota isolator recovers properly after
// the slave restarts.
TEST_F(DiskQuotaTest, SlaveRecovery)
{
Try<Owned<cluster::Master>> master = StartMaster();
ASSERT_SOME(master);
slave::Flags flags = CreateSlaveFlags();
flags.isolation = "posix/cpu,posix/mem,disk/du";
flags.container_disk_watch_interval = Milliseconds(1);
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());
const Offer& offer = offers.get()[0];
// Create a task that uses 2MB disk.
TaskInfo task = createTask(
offer.slave_id(),
Resources::parse("cpus:1;mem:128;disk:3").get(),
"dd if=/dev/zero of=file bs=1048576 count=2 && sleep 1000");
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(&driver, _))
.WillOnce(FutureArg<1>(&status))
.WillRepeatedly(Return()); // Ignore subsequent updates.
driver.launchTasks(offer.id(), {task});
AWAIT_READY(status);
EXPECT_EQ(task.task_id(), status->task_id());
EXPECT_EQ(TASK_RUNNING, status->state());
Future<hashset<ContainerID>> containers = containerizer->containers();
AWAIT_READY(containers);
ASSERT_EQ(1u, containers->size());
const ContainerID& containerId = *(containers->begin());
// Stop the slave.
slave.get()->terminate();
Future<ReregisterExecutorMessage> reregisterExecutorMessage =
FUTURE_PROTOBUF(ReregisterExecutorMessage(), _, _);
Future<Nothing> _recover = FUTURE_DISPATCH(_, &Slave::_recover);
_containerizer = MesosContainerizer::create(flags, true, &fetcher);
ASSERT_SOME(_containerizer);
containerizer.reset(_containerizer.get());
detector = master.get()->createDetector();
slave = StartSlave(detector.get(), containerizer.get(), flags);
ASSERT_SOME(slave);
Clock::pause();
AWAIT_READY(_recover);
// Wait for slave to schedule reregister timeout.
Clock::settle();
// Ensure the executor re-registers before completing recovery.
AWAIT_READY(reregisterExecutorMessage);
// Ensure the slave considers itself recovered.
Clock::advance(flags.executor_reregistration_timeout);
// NOTE: We resume the clock because we need the reaper to reap the
// 'du' subprocess.
Clock::resume();
// Wait until disk usage can be retrieved.
Duration elapsed = Duration::zero();
while (true) {
Future<ResourceStatistics> usage = containerizer->usage(containerId);
AWAIT_READY(usage);
ASSERT_TRUE(usage->has_disk_limit_bytes());
EXPECT_EQ(Megabytes(3), Bytes(usage->disk_limit_bytes()));
if (usage->has_disk_used_bytes()) {
EXPECT_LE(usage->disk_used_bytes(), usage->disk_limit_bytes());
// NOTE: This is to capture the regression in MESOS-2452. The data
// stored in the executor meta directory should be less than 64K.
if (usage->disk_used_bytes() > Kilobytes(64).bytes()) {
break;
}
}
ASSERT_LT(elapsed, Seconds(15));
os::sleep(Milliseconds(1));
elapsed += Milliseconds(1);
}
driver.stop();
driver.join();
}
int main(int argc, char** argv)
{
if (argc != 3) {
std::cerr << "Usage: " << argv[0]
<< " <master> <balloon limit in MB>" << std::endl;
return -1;
}
// Verify the balloon limit.
Try<size_t> limit = numify<size_t>(argv[2]);
if (limit.isError()) {
std::cerr << "Balloon limit is not a valid number" << std::endl;
return -1;
}
if (limit.get() < EXECUTOR_MEMORY_MB) {
std::cerr << "Please use a balloon limit bigger than "
<< EXECUTOR_MEMORY_MB << " MB" << std::endl;
}
// Find this executable's directory to locate executor.
std::string path = os::realpath(::dirname(argv[0])).get();
std::string uri = path + "/balloon-executor";
if (getenv("MESOS_BUILD_DIR")) {
uri = std::string(::getenv("MESOS_BUILD_DIR")) + "/src/balloon-executor";
}
ExecutorInfo executor;
executor.mutable_executor_id()->set_value("default");
executor.mutable_command()->set_value(uri);
executor.set_name("Balloon Executor");
executor.set_source("balloon_test");
Resource* mem = executor.add_resources();
mem->set_name("mem");
mem->set_type(Value::SCALAR);
mem->mutable_scalar()->set_value(EXECUTOR_MEMORY_MB);
BalloonScheduler scheduler(executor, limit.get());
FrameworkInfo framework;
framework.set_user(""); // Have Mesos fill in the current user.
framework.set_name("Balloon Framework (C++)");
// TODO(vinod): Make checkpointing the default when it is default
// on the slave.
if (os::hasenv("MESOS_CHECKPOINT")) {
cout << "Enabling checkpoint for the framework" << endl;
framework.set_checkpoint(true);
}
MesosSchedulerDriver* driver;
if (os::hasenv("MESOS_AUTHENTICATE")) {
cout << "Enabling authentication for the framework" << endl;
if (!os::hasenv("DEFAULT_PRINCIPAL")) {
EXIT(1) << "Expecting authentication principal in the environment";
}
if (!os::hasenv("DEFAULT_SECRET")) {
EXIT(1) << "Expecting authentication secret in the environment";
}
Credential credential;
credential.set_principal(getenv("DEFAULT_PRINCIPAL"));
credential.set_secret(getenv("DEFAULT_SECRET"));
framework.set_principal(getenv("DEFAULT_PRINCIPAL"));
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1], credential);
} else {
framework.set_principal("balloon-framework-cpp");
driver = new MesosSchedulerDriver(
&scheduler, framework, argv[1]);
}
int status = driver->run() == DRIVER_STOPPED ? 0 : 1;
// Ensure that the driver process terminates.
driver->stop();
delete driver;
return status;
}
// This test verifies that the slave and status update manager
// properly handle duplicate terminal status updates, when the
// second update is received before the ACK for the first update.
// The proper behavior here is for the status update manager to
// drop the duplicate update.
TEST_F(StatusUpdateManagerTest, DuplicateTerminalUpdateBeforeAck)
{
Try<PID<Master> > master = StartMaster();
ASSERT_SOME(master);
MockExecutor exec(DEFAULT_EXECUTOR_ID);
Try<PID<Slave> > slave = StartSlave(&exec);
ASSERT_SOME(slave);
FrameworkInfo frameworkInfo = DEFAULT_FRAMEWORK_INFO;
frameworkInfo.set_checkpoint(true); // Enable checkpointing.
MockScheduler sched;
MesosSchedulerDriver driver(
&sched, frameworkInfo, master.get(), DEFAULT_CREDENTIAL);
FrameworkID frameworkId;
EXPECT_CALL(sched, registered(_, _, _))
.WillOnce(SaveArg<1>(&frameworkId));
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());
ExecutorDriver* execDriver;
EXPECT_CALL(exec, registered(_, _, _, _))
.WillOnce(SaveArg<0>(&execDriver));
// Send a terminal update right away.
EXPECT_CALL(exec, launchTask(_, _))
.WillOnce(SendStatusUpdateFromTask(TASK_FINISHED));
Future<TaskStatus> status;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&status));
// Drop the first ACK from the scheduler to the slave.
Future<StatusUpdateAcknowledgementMessage> statusUpdateAckMessage =
DROP_PROTOBUF(StatusUpdateAcknowledgementMessage(), _, slave.get());
Future<Nothing> __statusUpdate =
FUTURE_DISPATCH(slave.get(), &Slave::__statusUpdate);
Clock::pause();
driver.launchTasks(offers.get()[0].id(), createTasks(offers.get()[0]));
AWAIT_READY(status);
EXPECT_EQ(TASK_FINISHED, status.get().state());
AWAIT_READY(statusUpdateAckMessage);
// At this point the status update manager has enqueued
// TASK_FINISHED update.
AWAIT_READY(__statusUpdate);
Future<Nothing> __statusUpdate2 =
FUTURE_DISPATCH(slave.get(), &Slave::__statusUpdate);
// Now send a TASK_KILLED update for the same task.
TaskStatus status2 = status.get();
status2.set_state(TASK_KILLED);
execDriver->sendStatusUpdate(status2);
// At this point the status update manager has enqueued
// TASK_FINISHED and TASK_KILLED updates.
AWAIT_READY(__statusUpdate2);
// After we advance the clock, the scheduler should receive
// the retried TASK_FINISHED update and acknowledge it. The
// TASK_KILLED update should be dropped by the status update
// manager, as the stream is already terminated.
Future<TaskStatus> update;
EXPECT_CALL(sched, statusUpdate(_, _))
.WillOnce(FutureArg<1>(&update));
Clock::advance(slave::STATUS_UPDATE_RETRY_INTERVAL_MIN);
Clock::settle();
// Ensure the scheduler receives TASK_FINISHED.
AWAIT_READY(update);
EXPECT_EQ(TASK_FINISHED, update.get().state());
EXPECT_CALL(exec, shutdown(_))
.Times(AtMost(1));
Clock::resume();
driver.stop();
driver.join();
Shutdown();
}