def _create_resource_instance(self, resource_name, plural_name):
"""Factory function for quota Resource.
This routine returns a resource instance of the appropriate type
according to system configuration.
If QUOTAS.track_quota_usage is True, and there is a model mapping for
the current resource, this function will return an instance of
AccountedResource; otherwise an instance of CountableResource.
"""
if (not cfg.CONF.QUOTAS.track_quota_usage
or resource_name not in self._tracked_resource_mappings):
LOG.info(
"Creating instance of CountableResource for "
"resource:%s", resource_name)
return resource.CountableResource(resource_name,
resource._count_resource,
'quota_%s' % resource_name)
else:
LOG.info("Creating instance of TrackedResource for "
"resource:%s", resource_name)
return resource.TrackedResource(
resource_name, self._tracked_resource_mappings[resource_name],
'quota_%s' % resource_name)
def _create_other_resource(self):
res = resource.TrackedResource(
self.other_resource, test_quota.OtherMehModel, meh_quota_flag)
res.register_events()
return res
def _create_resource(self):
res = resource.TrackedResource(self.resource, test_quota.MehModel,
meh_quota_flag)
self._register_events(res)
return res
