def _get_by_service(cls, context, service_id, use_slave=False):
try:
db_computes = db.compute_nodes_get_by_service_id(
context, service_id)
except exception.ServiceNotFound:
# NOTE(sbauza): Previous behaviour was returning an empty list
# if the service was created with no computes, we need to keep it.
db_computes = []
return base.obj_make_list(context, cls(context), objects.ComputeNode,
db_computes)
def get_by_service_id(cls, context, service_id):
db_computes = db.compute_nodes_get_by_service_id(context, service_id)
# NOTE(sbauza): Old version was returning an item, we need to keep this
# behaviour for backwards compatibility
db_compute = db_computes[0]
return cls._from_db_object(context, cls(), db_compute)
