def get_flavor_next_provider(self, context, flavor_id,
filters=None, fields=None,
sorts=None, limit=None,
marker=None, page_reverse=False):
"""From flavor, choose service profile and find provider for driver."""
objs = obj_flavor.FlavorServiceProfileBinding.get_objects(context,
flavor_id=flavor_id)
if not objs:
raise flav_exc.FlavorServiceProfileBindingNotFound(
sp_id='', fl_id=flavor_id)
# Get the service profile from the first binding
# TODO(jwarendt) Should become a scheduling framework instead
sp_obj = self._get_service_profile(context, objs[0].service_profile_id)
if not sp_obj.enabled:
raise flav_exc.ServiceProfileDisabled()
LOG.debug("Found driver %s.", sp_obj.driver)
service_type_manager = sdb.ServiceTypeManager.get_instance()
providers = service_type_manager.get_service_providers(
context,
filters={'driver': sp_obj.driver})
if not providers:
raise flav_exc.ServiceProfileDriverNotFound(
driver=sp_obj.driver)
LOG.debug("Found providers %s.", providers)
res = {'driver': sp_obj.driver,
'provider': providers[0].get('name')}
return [db_utils.resource_fields(res, fields)]
def _validate_driver(self, context, driver):
"""Confirms a non-empty driver is a valid provider."""
service_type_manager = sdb.ServiceTypeManager.get_instance()
providers = service_type_manager.get_service_providers(
context, filters={'driver': driver})
if not providers:
raise flav_exc.ServiceProfileDriverNotFound(driver=driver)
