def _get_members_by_attrs(unique=True, **attrs):
members = neutron.list_members(**attrs)
if unique and len(members.get('members', [])) > 1:
raise exceptions.DuplicatedResourceException(
"Multiple Neutron members exist for the params {0} ".format(
', '.join(['{0}={1}'.format(k, v) for k, v in attrs.items()])))
return members['members']
def _get_subnets_by_attrs(unique=True, **attrs):
subnets = neutron.list_subnets(**attrs)
if unique and len(subnets.get('subnets',
[])) > 2: # subnets for IPv4 and/or IPv6
raise exceptions.DuplicatedResourceException(
"Multiple Neutron subnets exist for the params {0} ".format(
', '.join(['{0}={1}'.format(k, v) for k, v in attrs.items()])))
return subnets['subnets']