def deployable_get(self, context, uuid):
query = model_query(
context,
models.Deployable).filter_by(uuid=uuid)
try:
return query.one()
except NoResultFound:
raise exception.DeployableNotFound(uuid=uuid)
def deployable_delete(self, context, uuid):
with _session_for_write():
query = model_query(context, models.Deployable)
query = add_identity_filter(query, uuid)
query.update({'root_id': None})
count = query.delete()
if count != 1:
raise exception.DeployableNotFound(uuid=uuid)
def _do_update_deployable(self, context, uuid, values):
with _session_for_write():
query = model_query(context, models.Deployable)
query = add_identity_filter(query, uuid)
try:
ref = query.with_lockmode('update').one()
except NoResultFound:
raise exception.DeployableNotFound(uuid=uuid)
ref.update(values)
return ref
