// New creates a new QingYuanScheduler
func New(config Config) *QingYuanScheduler {
var k *QingYuanScheduler
k = &QingYuanScheduler{
schedcfg: &config.Schedcfg,
RWMutex: new(sync.RWMutex),
executor: config.Executor,
executorGroup: uid.Parse(config.Executor.ExecutorId.GetValue()).Group(),
scheduleFunc: config.ScheduleFunc,
client: config.Client,
etcdClient: config.EtcdClient,
failoverTimeout: config.FailoverTimeout,
reconcileInterval: config.ReconcileInterval,
offers: offers.CreateRegistry(offers.RegistryConfig{
Compat: func(o *mesos.Offer) bool {
// filter the offers: the executor IDs must not identify a qinglet-
// executor with a group that doesn't match ours
for _, eid := range o.GetExecutorIds() {
execuid := uid.Parse(eid.GetValue())
if execuid.Name() == execcfg.DefaultInfoID && execuid.Group() != k.executorGroup {
return false
}
}
return true
},
DeclineOffer: func(id string) <-chan error {
errOnce := proc.NewErrorOnce(k.terminate)
errOuter := k.asRegisteredMaster.Do(func() {
var err error
defer errOnce.Report(err)
offerId := mutil.NewOfferID(id)
filters := &mesos.Filters{}
_, err = k.driver.DeclineOffer(offerId, filters)
})
return errOnce.Send(errOuter).Err()
},
// remember expired offers so that we can tell if a previously scheduler offer relies on one
LingerTTL: config.Schedcfg.OfferLingerTTL.Duration,
TTL: config.Schedcfg.OfferTTL.Duration,
ListenerDelay: config.Schedcfg.ListenerDelay.Duration,
}),
slaves: newSlaveStorage(),
taskRegistry: podtask.NewInMemoryRegistry(),
reconcileCooldown: config.ReconcileCooldown,
registration: make(chan struct{}),
asRegisteredMaster: proc.DoerFunc(func(proc.Action) <-chan error {
return proc.ErrorChanf("cannot execute action with unregistered scheduler")
}),
}
return k
}
//test we can handle different status updates, TODO check state transitions
func TestStatus_Update(t *testing.T) {
mockdriver := MockSchedulerDriver{}
// setup expectations
mockdriver.On("KillTask", util.NewTaskID("test-task-001")).Return(mesos.Status_DRIVER_RUNNING, nil)
testScheduler := &QingYuanScheduler{
offers: offers.CreateRegistry(offers.RegistryConfig{
Compat: func(o *mesos.Offer) bool {
return true
},
// remember expired offers so that we can tell if a previously scheduler offer relies on one
LingerTTL: schedcfg.DefaultOfferLingerTTL,
TTL: schedcfg.DefaultOfferTTL,
ListenerDelay: schedcfg.DefaultListenerDelay,
}),
slaves: newSlaveStorage(),
driver: &mockdriver,
taskRegistry: podtask.NewInMemoryRegistry(),
}
taskStatus_task_starting := util.NewTaskStatus(
util.NewTaskID("test-task-001"),
mesos.TaskState_TASK_RUNNING,
)
testScheduler.StatusUpdate(testScheduler.driver, taskStatus_task_starting)
taskStatus_task_running := util.NewTaskStatus(
util.NewTaskID("test-task-001"),
mesos.TaskState_TASK_RUNNING,
)
testScheduler.StatusUpdate(testScheduler.driver, taskStatus_task_running)
taskStatus_task_failed := util.NewTaskStatus(
util.NewTaskID("test-task-001"),
mesos.TaskState_TASK_FAILED,
)
testScheduler.StatusUpdate(testScheduler.driver, taskStatus_task_failed)
//assert that mock was invoked
mockdriver.AssertExpectations(t)
}