def business_create(task: Dict[str, Any]) -> Tuple[Content, HttpStatusCode]:
"""Creates new Task db record.
Fields which require to be of datetime type are explicitly converted here.
"""
try:
new_task = Task(
user_id=task['userId'],
host=task['hostname'],
command=task['command'],
# TODO Adjust API spec, optional fields
spawn_at=try_parse_input_datetime(task.get('spawnAt')),
terminate_at=try_parse_input_datetime(task.get('terminateAt')))
# assert all(task.values()), 'fields cannot be blank or null'
new_task.save()
except ValueError:
# Invalid string format for datetime
content, status = {'msg': G['bad_request']}, 422
except KeyError:
# At least one of required fields was not present
content, status = {'msg': G['bad_request']}, 422
except AssertionError as e:
content, status = {
'msg': T['create']['failure']['invalid'].format(reason=e)
}, 422
except Exception as e:
log.critical(e)
content, status = {'msg': G['internal_error']}, 500
else:
content, status = {
'msg': T['create']['success'],
'task': new_task.as_dict
}, 201
finally:
return content, status
def new_task():
task = Task(command='python command.py',
hostname='localhost',
_status=TaskStatus.not_running)
cmd_segment = CommandSegment(name='--batch_size',
_segment_type=SegmentType.parameter)
task.add_cmd_segment(cmd_segment, '32')
task.save()
return task
def new_task_2():
task = Task(command='python command2.py',
hostname='remotehost',
_status=TaskStatus.not_running)
cmd_segment = CommandSegment(name='--rank',
_segment_type=SegmentType.parameter)
task.add_cmd_segment(cmd_segment, '1')
task.save()
return task
def business_create(task: Dict[str, Any], job_id: JobId) -> Tuple[Content, HttpStatusCode]:
""" Creates new Task db record under the given parent job
and new db records for given command segments of that task.
"""
try:
new_task = Task(
hostname=task['hostname'],
command=task['command'])
new_task.gpu_id = parse_gpu_id_from_command(task['command'])
parent_job = Job.query.filter(Job.id == job_id).one()
for segment in task['cmdsegments']['params']:
new_segment = CommandSegment.query.filter(CommandSegment.segment_type == SegmentType.parameter,
CommandSegment.name == segment['name']).first()
if (new_segment is None):
new_segment = CommandSegment(
name=segment['name'],
_segment_type=SegmentType.parameter)
new_task.add_cmd_segment(new_segment, segment['value'])
for segment in task['cmdsegments']['envs']:
new_segment = CommandSegment.query.filter(CommandSegment.segment_type == SegmentType.env_variable,
CommandSegment.name == segment['name']).first()
if (new_segment is None):
new_segment = CommandSegment(
name=segment['name'],
_segment_type=SegmentType.env_variable)
new_task.add_cmd_segment(new_segment, segment['value'])
new_task.save()
parent_job.add_task(new_task)
except KeyError:
# At least one of required fields was not present
content, status = {'msg': GENERAL['bad_request']}, 422
except AssertionError as e:
content, status = {'msg': TASK['create']['failure']['invalid'].format(reason=e)}, 422
except Exception as e:
log.critical(e)
content, status = {'msg': GENERAL['internal_error']}, 500
else:
content, status = {'msg': TASK['create']['success'], 'task': new_task.as_dict()}, 201
finally:
return content, status