def reserve(request):
form = DeviceSelectForm(request.POST or None)
if form.is_valid():
if json.loads(form.data["next-available-spot"]):
device = Device.objects.get(name=form.data["device"])
# first check whether a gpu is already available on that given machine
for gpu in device.gpus.all():
if gpu.reservations.count() is 0:
reservation = Reservation(gpu=gpu, user=request.user)
reservation.save()
send_gpu_done_mail(request, gpu, reservation)
return HttpResponseRedirect(reverse("index"))
# if there is no gpu available right now reserve all on this device and mark them as special reservation
for gpu in device.gpus.all():
reservation = Reservation(
gpu=gpu,
user=request.user,
user_reserved_next_available_spot=True)
reservation.save()
send_reservation_mail_for(request, gpu)
else:
gpu = GPU.objects.get(uuid=form.data["gpu"])
reservation = Reservation(gpu=gpu, user=request.user)
reservation.save()
send_reservation_mail_for(request, gpu)
return HttpResponseRedirect(reverse("index"))
return {"form": form}
def gpu_done(request, gpu_id):
gpu = get_object_or_404(GPU, pk=gpu_id)
current_reservation = gpu.current_reservation()
if current_reservation is None:
raise Http404
if current_reservation.user != request.user:
return HttpResponseForbidden()
current_reservation.delete()
# get the user of the reservation that is now current and send him an email
current_reservation = gpu.current_reservation()
if current_reservation is not None:
# clear all reservations made for this user if he only reserved the next available spot on this device
if current_reservation.user_reserved_next_available_spot:
device = current_reservation.gpu.device
reservations_to_delete = []
for gpu in device.gpus.all():
for reservation in gpu.reservations.all():
if reservation == current_reservation:
continue
elif reservation.user == current_reservation.user and reservation.user_reserved_next_available_spot:
reservations_to_delete.append(reservation)
for reservation in reservations_to_delete:
reservation.delete()
send_gpu_done_mail(request, gpu, current_reservation)
return HttpResponseRedirect(reverse("index"))
def gpu_done(request, gpu_id):
gpu = get_object_or_404(GPU, pk=gpu_id)
current_reservation = gpu.current_reservation()
if current_reservation is None:
raise Http404
if current_reservation.user != request.user:
return HttpResponseForbidden()
current_reservation.delete()
# get the user of the reservation that is now current and send him an email
current_reservation = gpu.current_reservation()
if current_reservation is not None:
# clear all reservations made for this user if he only reserved the next available spot on this device
if current_reservation.user_reserved_next_available_spot:
device = current_reservation.gpu.device
reservations_to_delete = []
for gpu in device.gpus.all():
for reservation in gpu.reservations.all():
if reservation == current_reservation:
continue
elif reservation.user == current_reservation.user and reservation.user_reserved_next_available_spot:
reservations_to_delete.append(reservation)
for reservation in reservations_to_delete:
reservation.delete()
send_gpu_done_mail(request, gpu, current_reservation)
return HttpResponseRedirect(reverse("index"))
def reserve(request):
form = DeviceSelectForm(request.POST or None)
if form.is_valid():
if json.loads(form.data["next-available-spot"]):
device = Device.objects.get(name=form.data["device"])
# first check whether a gpu is already available on that given machine
for gpu in device.gpus.all():
if gpu.reservations.count() is 0:
reservation = Reservation(gpu=gpu, user=request.user)
reservation.save()
send_gpu_done_mail(request, gpu, reservation)
return HttpResponseRedirect(reverse("index"))
# if there is no gpu available right now reserve all on this device and mark them as special reservation
for gpu in device.gpus.all():
reservation = Reservation(gpu=gpu, user=request.user, user_reserved_next_available_spot=True)
reservation.save()
send_reservation_mail_for(request, gpu)
else:
gpu = GPU.objects.get(uuid=form.data["gpu"])
reservation = Reservation(gpu=gpu, user=request.user)
reservation.save()
send_reservation_mail_for(request, gpu)
return HttpResponseRedirect(reverse("index"))
return {"form": form}