func TestExecutorDriverRunTaskEvent(t *testing.T) {
setTestEnv(t)
ch := make(chan bool, 2)
// Mock Slave process to respond to registration event.
server := testutil.NewMockSlaveHttpServer(t, func(rsp http.ResponseWriter, req *http.Request) {
reqPath, err := url.QueryUnescape(req.URL.String())
assert.NoError(t, err)
log.Infoln("RCVD request", reqPath)
rsp.WriteHeader(http.StatusAccepted)
})
defer server.Close()
exec := newTestExecutor(t)
exec.ch = ch
exec.t = t
// start
driver := newIntegrationTestDriver(t, exec)
stat, err := driver.Start()
assert.NoError(t, err)
assert.Equal(t, mesos.Status_DRIVER_RUNNING, stat)
driver.setConnected(true)
defer driver.Stop()
// send runtask event to driver
pbMsg := &mesos.RunTaskMessage{
FrameworkId: util.NewFrameworkID(frameworkID),
Framework: util.NewFrameworkInfo(
"test", "test-framework-001", util.NewFrameworkID(frameworkID),
),
Pid: proto.String(server.PID.String()),
Task: util.NewTaskInfo(
"test-task",
util.NewTaskID("test-task-001"),
util.NewSlaveID(slaveID),
[]*mesos.Resource{
util.NewScalarResource("mem", 112),
util.NewScalarResource("cpus", 2),
},
),
}
c := testutil.NewMockMesosClient(t, server.PID)
c.SendMessage(driver.self, pbMsg)
select {
case <-ch:
case <-time.After(time.Second * 2):
log.Errorf("Tired of waiting...")
}
}
func (suite *SchedulerTestSuite) TestSchdulerDriverLaunchTasks() {
driver := newTestSchedulerDriver(suite.T(), driverConfigMessenger(NewMockScheduler(), suite.framework, suite.master, nil, mockedMessenger()))
go func() {
driver.Run()
}()
<-driver.started
driver.setConnected(true) // simulated
suite.True(driver.Running())
task := util.NewTaskInfo(
"simple-task",
util.NewTaskID("simpe-task-1"),
util.NewSlaveID("slave-1"),
[]*mesos.Resource{util.NewScalarResource("mem", 400)},
)
task.Command = util.NewCommandInfo("pwd")
tasks := []*mesos.TaskInfo{task}
stat, err := driver.LaunchTasks(
[]*mesos.OfferID{{}},
tasks,
&mesos.Filters{},
)
suite.NoError(err)
suite.Equal(mesos.Status_DRIVER_RUNNING, stat)
}
func (suite *SchedulerTestSuite) TestSchdulerDriverLaunchTasksWithError() {
sched := NewMockScheduler()
sched.On("StatusUpdate").Return(nil)
sched.On("Error").Return()
msgr := mockedMessenger()
driver := newTestSchedulerDriver(suite.T(), driverConfigMessenger(sched, suite.framework, suite.master, nil, msgr))
driver.dispatch = func(_ context.Context, _ *upid.UPID, _ proto.Message) error {
return fmt.Errorf("Unable to send message")
}
go func() {
driver.Run()
}()
<-driver.started
driver.setConnected(true) // simulated
suite.True(driver.Running())
// setup an offer
offer := util.NewOffer(
util.NewOfferID("test-offer-001"),
suite.framework.Id,
util.NewSlaveID("test-slave-001"),
"test-slave(1)@localhost:5050",
)
pid, err := upid.Parse("test-slave(1)@localhost:5050")
suite.NoError(err)
driver.cache.putOffer(offer, pid)
// launch task
task := util.NewTaskInfo(
"simple-task",
util.NewTaskID("simpe-task-1"),
util.NewSlaveID("test-slave-001"),
[]*mesos.Resource{util.NewScalarResource("mem", 400)},
)
task.Command = util.NewCommandInfo("pwd")
task.Executor = util.NewExecutorInfo(util.NewExecutorID("test-exec"), task.Command)
tasks := []*mesos.TaskInfo{task}
stat, err := driver.LaunchTasks(
[]*mesos.OfferID{offer.Id},
tasks,
&mesos.Filters{},
)
suite.Equal(mesos.Status_DRIVER_RUNNING, stat)
suite.Error(err)
}
func (suite *SchedulerTestSuite) TestSchdulerDriverRequestResources() {
driver := newTestSchedulerDriver(suite.T(), driverConfigMessenger(NewMockScheduler(), suite.framework, suite.master, nil, mockedMessenger()))
driver.Start()
driver.setConnected(true) // simulated
suite.Equal(mesos.Status_DRIVER_RUNNING, driver.Status())
stat, err := driver.RequestResources(
[]*mesos.Request{
{
SlaveId: util.NewSlaveID("test-slave-001"),
Resources: []*mesos.Resource{
util.NewScalarResource("test-res-001", 33.00),
},
},
},
)
suite.NoError(err)
suite.Equal(mesos.Status_DRIVER_RUNNING, stat)
}
func (sched *ExampleScheduler) ResourceOffers(driver sched.SchedulerDriver, offers []*mesos.Offer) {
if sched.tasksLaunched >= sched.totalTasks {
log.Info("decline all of the offers since all of our tasks are already launched")
ids := make([]*mesos.OfferID, len(offers))
for i, offer := range offers {
ids[i] = offer.Id
}
driver.LaunchTasks(ids, []*mesos.TaskInfo{}, &mesos.Filters{RefuseSeconds: proto.Float64(120)})
return
}
for _, offer := range offers {
cpuResources := util.FilterResources(offer.Resources, func(res *mesos.Resource) bool {
return res.GetName() == "cpus"
})
cpus := 0.0
for _, res := range cpuResources {
cpus += res.GetScalar().GetValue()
}
memResources := util.FilterResources(offer.Resources, func(res *mesos.Resource) bool {
return res.GetName() == "mem"
})
mems := 0.0
for _, res := range memResources {
mems += res.GetScalar().GetValue()
}
log.Infoln("Received Offer <", offer.Id.GetValue(), "> with cpus=", cpus, " mem=", mems)
remainingCpus := cpus
remainingMems := mems
var tasks []*mesos.TaskInfo
for sched.tasksLaunched < sched.totalTasks &&
CPUS_PER_TASK <= remainingCpus &&
MEM_PER_TASK <= remainingMems {
sched.tasksLaunched++
taskId := &mesos.TaskID{
Value: proto.String(strconv.Itoa(sched.tasksLaunched)),
}
task := &mesos.TaskInfo{
Name: proto.String("go-task-" + taskId.GetValue()),
TaskId: taskId,
SlaveId: offer.SlaveId,
Executor: sched.executor,
Resources: []*mesos.Resource{
util.NewScalarResource("cpus", CPUS_PER_TASK),
util.NewScalarResource("mem", MEM_PER_TASK),
},
}
log.Infof("Prepared task: %s with offer %s for launch\n", task.GetName(), offer.Id.GetValue())
tasks = append(tasks, task)
remainingCpus -= CPUS_PER_TASK
remainingMems -= MEM_PER_TASK
}
log.Infoln("Launching ", len(tasks), "tasks for offer", offer.Id.GetValue())
driver.LaunchTasks([]*mesos.OfferID{offer.Id}, tasks, &mesos.Filters{RefuseSeconds: proto.Float64(5)})
}
}