resource_handle.py 文件源码

def handle_get(self, cxt, resource, resource_id):
        try:
            resource = self._adapt_resource(resource)
            client = self._get_client(cxt)
            collection = '%ss' % resource
            return getattr(client, collection).get(resource_id).to_dict()
        except r_exceptions.ConnectTimeout:
            self.endpoint_url = None
            raise exceptions.EndpointNotAvailable('nova',
                                                  client.client.management_url)
        except n_exceptions.NotFound:
            LOG.debug("%(resource)s %(resource_id)s not found",
                      {'resource': resource, 'resource_id': resource_id})