def post(self, *args, **kwargs):
"""
Receives a request for a new Instance
"""
(args, token) = (self.params.post, kwargs.get('token'))
try:
db.set_autocommit(False)
with db.transaction():
instance = Instance.create(
instance_id=Instance.generate_instance_id(token),
state=INSTANCE_STATES['REQUESTED'],
token=token)
instance.resources = []
for resource, value in args.items():
if value not in (None, ''):
instance.resources.append(
InstanceResourceModel.create(
kind=resource, value=value,
instance=instance))
except Exception as ex:
logger.error('Cannot create new resources'
', exception: %s' % ex.message)
db.rollback()
return abort(500)
else:
db.commit()
finally:
db.set_autocommit(True)
return marshal(instance, self.params.fields)
