// getRunnableAndDeadSlots returns two maps of slots. The first contains slots
// that have at least one task with a desired state above NEW and lesser or
// equal to RUNNING. The second is for slots that only contain tasks with a
// desired state above RUNNING.
func getRunnableAndDeadSlots(s *store.MemoryStore, serviceID string) (map[uint64]slot, map[uint64]slot, error) {
var (
tasks []*api.Task
err error
)
s.View(func(tx store.ReadTx) {
tasks, err = store.FindTasks(tx, store.ByServiceID(serviceID))
})
if err != nil {
return nil, nil, err
}
runningSlots := make(map[uint64]slot)
for _, t := range tasks {
if t.DesiredState <= api.TaskStateRunning {
runningSlots[t.Slot] = append(runningSlots[t.Slot], t)
}
}
deadSlots := make(map[uint64]slot)
for _, t := range tasks {
if _, exists := runningSlots[t.Slot]; !exists {
deadSlots[t.Slot] = append(deadSlots[t.Slot], t)
}
}
return runningSlots, deadSlots, nil
}
func deleteServiceTasks(ctx context.Context, s *store.MemoryStore, service *api.Service) {
var (
tasks []*api.Task
err error
)
s.View(func(tx store.ReadTx) {
tasks, err = store.FindTasks(tx, store.ByServiceID(service.ID))
})
if err != nil {
log.G(ctx).WithError(err).Errorf("failed to list tasks")
return
}
_, err = s.Batch(func(batch *store.Batch) error {
for _, t := range tasks {
err := batch.Update(func(tx store.Tx) error {
if err := store.DeleteTask(tx, t.ID); err != nil {
log.G(ctx).WithError(err).Errorf("failed to delete task")
}
return nil
})
if err != nil {
return err
}
}
return nil
})
if err != nil {
log.G(ctx).WithError(err).Errorf("task search transaction failed")
}
}
func isValidEndpoint(t assert.TestingT, s *store.MemoryStore, task *api.Task) bool {
if task.ServiceID != "" {
var service *api.Service
s.View(func(tx store.ReadTx) {
service = store.GetService(tx, task.ServiceID)
})
if service == nil {
return true
}
return assert.Equal(t, service.Endpoint, task.Endpoint)
}
return true
}
func getRunnableServiceTasks(t *testing.T, s *store.MemoryStore, service *api.Service) []*api.Task {
var (
err error
tasks []*api.Task
)
s.View(func(tx store.ReadTx) {
tasks, err = store.FindTasks(tx, store.ByServiceID(service.ID))
})
assert.NoError(t, err)
runnable := []*api.Task{}
for _, task := range tasks {
if task.DesiredState == api.TaskStateRunning {
runnable = append(runnable, task)
}
}
return runnable
}
// getRunnableSlots returns a map of slots that have at least one task with
// a desired state above NEW and lesser or equal to RUNNING.
func getRunnableSlots(s *store.MemoryStore, serviceID string) (map[uint64]slot, error) {
var (
tasks []*api.Task
err error
)
s.View(func(tx store.ReadTx) {
tasks, err = store.FindTasks(tx, store.ByServiceID(serviceID))
})
if err != nil {
return nil, err
}
runningSlots := make(map[uint64]slot)
for _, t := range tasks {
// Technically the check below could just be
// t.DesiredState <= api.TaskStateRunning, but ignoring tasks
// with DesiredState == NEW simplifies the drainer unit tests.
if t.DesiredState > api.TaskStateNew && t.DesiredState <= api.TaskStateRunning {
runningSlots[t.Slot] = append(runningSlots[t.Slot], t)
}
}
return runningSlots, nil
}