+
+ def _get_network(self, attr_name):
+ if not isinstance(attr_name, collections.Mapping):
+ network = self.networks.get(attr_name)
+
+ else:
+ # Don't generalize too much Just support vld_id
+ vld_id = attr_name.get('vld_id')
+ if vld_id is None:
+ return None
+ try:
+ network = next(n for n in self.networks.values() if
+ n.get("vld_id") == vld_id)
+ except StopIteration:
+ return None
+
+ if network is None:
+ return None
+
+ result = {
+ # name is required
+ "name": network["name"],
+ "vld_id": network.get("vld_id"),
+ "segmentation_id": network.get("segmentation_id"),
+ "network_type": network.get("network_type"),
+ "physical_network": network.get("physical_network"),
+ }
+ return result
+
+ def get_context_impl(self, nfvi_type):
+ """ Find the implementing class from vnf_model["vnf"]["name"] field
+
+ :param vnf_model: dictionary containing a parsed vnfd
+ :return: subclass of GenericVNF
+ """
+ import_modules_from_package(
+ "yardstick.benchmark.contexts")
+ expected_name = nfvi_type
+ impl = [c for c in itersubclasses(StandaloneContext)
+ if c.__name__ == expected_name]
+ try:
+ return next(iter(impl))
+ except StopIteration:
+ raise ValueError("No implementation for %s", expected_name)