# split namespace components
_, _, vnf_id, vdu_id, vdu_count = self._get_namespace_components(namespace=namespace)
if vnf_id is None or len(vnf_id) == 0:
vnf_id = ''
else:
# split namespace components
_, _, vnf_id, vdu_id, vdu_count = self._get_namespace_components(namespace=namespace)
if vnf_id is None or len(vnf_id) == 0:
vnf_id = ''
else: