def get_available_peers(self):
# Not linked to PeeringDB, cannot determine peers
if not self.peeringdb_id:
return None
# Get the IX LAN we are belonging to
api = PeeringDB()
network_ixlan = api.get_ix_network(self.peeringdb_id)
# Get all peering sessions currently existing
existing_sessions = self.get_peering_sessions()
ipv4_sessions = []
ipv6_sessions = []
for session in existing_sessions:
ip = ipaddress.ip_address(session.ip_address)
if ip.version == 6:
ipv6_sessions.append(str(ip))
elif ip.version == 4:
ipv4_sessions.append(str(ip))
else:
self.logger.debug('peering session with strange ip: %s', ip)
# Find all peers belonging to the same IX and order them by ASN
# Exclude our own ASN and already existing sessions
return PeerRecord.objects.all().filter(
Q(network_ixlan__ix_id=network_ixlan.ixlan_id)
& ~Q(network__asn=settings.MY_ASN)
& (~Q(network_ixlan__ipaddr6__in=ipv6_sessions)
| ~Q(network_ixlan__ipaddr4__in=ipv4_sessions))).order_by(
'network__asn')
def get_available_peers(self):
peers = []
# Not linked to PeeringDB, cannot determine peers
if not self.peeringdb_id:
return peers
# Get the LAN that we are attached to and retrieve the peers
api = PeeringDB()
lan = api.get_ix_network(self.peeringdb_id)
peeringdb_peers = api.get_peers_for_ix(lan.ix_id)
known_peerings = []
# Grab all addresses we are connected to
for session in self.peeringsession_set.all():
known_peerings.append(ipaddress.ip_address(session.ip_address))
# Check if peers addresses are in the list of addresses we are already
# connected to.
for peeringdb_peer in peeringdb_peers:
peeringdb_peer['has_ipv6'] = True if peeringdb_peer[
'network_ixlan'].ipaddr6 else None
peeringdb_peer['has_ipv4'] = True if peeringdb_peer[
'network_ixlan'].ipaddr4 else None
peeringdb_peer['peering6'] = peeringdb_peer[
'has_ipv6'] and ipaddress.ip_address(
peeringdb_peer['network_ixlan'].ipaddr6) in known_peerings
peeringdb_peer['peering4'] = peeringdb_peer[
'has_ipv4'] and ipaddress.ip_address(
peeringdb_peer['network_ixlan'].ipaddr4) in known_peerings
peeringdb_peer['internet_exchange'] = self
peers.append(peeringdb_peer)
return peers
