1 from sfa.util.xrn import get_authority
3 from sfa.util.py23 import StringType
5 def get_peer(pldriver, hrn):
6 # Because of myplc native federation, we first need to determine if this
7 # slice belongs to out local plc or a myplc peer. We will assume it
8 # is a local site, unless we find out otherwise
11 # get this slice's authority (site)
12 slice_authority = get_authority(hrn)
14 # get this site's authority (sfa root authority or sub authority)
15 site_authority = get_authority(slice_authority).lower()
16 # check if we are already peered with this site_authority, if so
17 peers = pldriver.shell.GetPeers( {}, ['peer_id', 'peername', 'shortname', 'hrn_root'])
18 for peer_record in peers:
19 names = [name.lower() for name in peer_record.values() if isinstance(name, StringType)]
20 if site_authority in names:
21 peer = peer_record['shortname']
26 #def get_sfa_peer(pldriver, hrn):
27 # # return the authority for this hrn or None if we are the authority
29 # slice_authority = get_authority(hrn)
30 # site_authority = get_authority(slice_authority)
32 # if site_authority != pldriver.hrn:
33 # sfa_peer = site_authority