+ def get_peer(self, hrn):
+ # Becaues of myplc federation, we first need to determine if this
+ # slice belongs to out local plc or a myplc peer. We will assume it
+ # is a local site, unless we find out otherwise
+ peer = None
+
+ # get this slice's authority (site)
+ slice_authority = get_authority(hrn)
+
+ # get this site's authority (sfa root authority or sub authority)
+ site_authority = get_authority(slice_authority).lower()
+
+ # check if we are already peered with this site_authority, if so
+ peers = self.api.plshell.GetPeers(self.api.plauth, {}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
+ for peer_record in peers:
+ names = [name.lower() for name in peer_record.values() if isinstance(name, StringTypes)]
+ if site_authority in names:
+ peer = peer_record['shortname']
+
+ return peer
+