def new_experiment_status(sender, **kwargs):
instance = kwargs['instance']
created = kwargs.get('created', False)
experiment = instance.experiment
if created:
# update experiment last_status
experiment.experiment_status = instance
experiment.save()
if instance.status == ExperimentLifeCycle.SUCCEEDED:
# update all workers with succeeded status, since we will trigger a stop mechanism
for job in experiment.jobs.all():
if not job.is_done:
job.set_status(JobLifeCycle.SUCCEEDED,
message='Master is done.')
if instance.status in (ExperimentLifeCycle.FAILED,
ExperimentLifeCycle.SUCCEEDED):
logger.info(
'One of the workers failed or Master for experiment `{}` is done, '
'send signal to other workers to stop.'.format(
experiment.unique_name))
# Schedule stop for this experiment because other jobs may be still running
scheduler.stop_experiment(experiment, update_status=False)
def experiment_group_deleted(sender, **kwargs):
"""Stop all experiments before deleting the group."""
instance = kwargs['instance']
for experiment in instance.running_experiments:
scheduler.stop_experiment(experiment, update_status=False)
# Delete outputs
delete_experiment_group_outputs(instance.unique_name)
def experiment_deleted(sender, **kwargs):
instance = kwargs['instance']
try:
_ = instance.experiment_group
scheduler.stop_experiment(instance, update_status=False)
except ExperimentGroup.DoesNotExist:
# The experiment was already stopped when the group was deleted
pass
delete_experiment_outputs(instance.unique_name)
delete_experiment_logs(instance.unique_name)
def experiment_group_deleted(sender, **kwargs):
"""Stop all experiments before deleting the group."""
instance = kwargs['instance']
for experiment in instance.running_experiments:
# Delete all jobs from DB before sending a signal to k8s,
# this way no statuses will be updated in the meanwhile
experiment.jobs.all().delete()
scheduler.stop_experiment(experiment, update_status=False)
# Delete outputs and logs
delete_experiment_group_outputs(instance.unique_name)
delete_experiment_group_logs(instance.unique_name)
def experiment_deleted(sender, **kwargs):
instance = kwargs['instance']
try:
_ = instance.experiment_group
# Delete all jobs from DB before sending a signal to k8s,
# this way no statuses will be updated in the meanwhile
instance.jobs.all().delete()
scheduler.stop_experiment(instance, update_status=False)
except ExperimentGroup.DoesNotExist:
# The experiment was already stopped when the group was deleted
pass
# Delete outputs and logs
delete_experiment_outputs(instance.unique_name)
delete_experiment_logs(instance.unique_name)
def handle(self, *args, **options):
for experiment in Experiment.objects.filter(
experiment_status__status__in=ExperimentLifeCycle.
RUNNING_STATUS):
scheduler.stop_experiment(experiment)
def stop_experiment(experiment_id):
experiment = get_valid_experiment(experiment_id=experiment_id)
if not experiment:
return
scheduler.stop_experiment(experiment, update_status=True)