def _subscribe(self, afi, safi, rt=None):
try:
subobj = engine.Subscription(afi, safi, rt, self)
LOG.info("Subscribe: %s ", subobj)
self.rtm.enqueue(subobj)
except engine.UnsupportedRT as e:
LOG.debug("unsupported RT, ignoring (%s)", e.rt)
def _worker_cleanup(self, worker):
'''Cleanup the subscriptions and routes advertised by a worker
Consider all routes announced by this worker as withdrawn.
Consider this worker unsubscribed from all of its current
subscriptions.
'''
assert isinstance(worker, worker_m.Worker)
# synthesize withdraw events for all routes from this worker
LOG.info(" Preparing to withdraw %d routes that were advertised "
"by worker", len(worker._rtm_route_entries))
for entry in worker._rtm_route_entries:
LOG.info(" Enqueue event to Withdraw route %s", entry)
self.enqueue(engine.RouteEvent(engine.RouteEvent.WITHDRAW, entry))
# remove worker from all of its subscriptions
for match in worker._rtm_matches:
wa = self._match_2_workers_entries[match]
if wa.del_worker(worker):
self.callback_last_local_subscriber(
engine.Subscription(match.afi, match.safi,
match.route_target, worker))
self._check_match_2_workers_and_entries_cleanup(match)
worker._rtm_matches.clear()
def _worker_subscriptions(self,
worker,
rts,
afi=exa.AFI(exa.AFI.ipv4),
safi=exa.SAFI(exa.SAFI.mpls_vpn)):
for rt in rts:
subscribe = engine.Subscription(afi, safi, rt, worker)
self.rtm._on_event(subscribe)
def test1(self):
subscription = engine.Subscription(engine.Subscription.ANY_AFI,
engine.Subscription.ANY_SAFI,
engine.Subscription.ANY_RT)
route_entry = self.bgp_manager._subscription_2_rtc_route_entry(
subscription)
self.assertEqual(route_entry.safi, exa.SAFI.rtc, "wrong RTC route")
def _worker_subscriptions(self,
worker,
rts,
wait=True,
afi=exa.AFI(exa.AFI.ipv4),
safi=exa.SAFI(exa.SAFI.mpls_vpn)):
for rt in rts:
subscribe = engine.Subscription(afi, safi, rt, worker)
self.rtm.enqueue(subscribe)
if wait:
self._wait()
def test_f1_test_empty_rt(self):
# worker advertises a route with no RT
w1 = self._new_worker("Worker1", worker.Worker)
subscribe = engine.Subscription(exa.AFI(exa.AFI.ipv4),
exa.SAFI(exa.SAFI.mpls_vpn), None, w1)
self.rtm.enqueue(subscribe)
w2 = self._new_worker("Worker2", worker.Worker)
route_event = engine.RouteEvent(
engine.RouteEvent.ADVERTISE,
engine.RouteEntry(t.NLRI1, None, exa.Attributes()), w2)
self.rtm.enqueue(route_event)
self._wait()
self.assertEqual(
1, w1.enqueue.call_count,
"1 route advertised should be synthesized to Worker1")
def _subscribe(self, afi, safi, rt=None):
subobj = engine.Subscription(afi, safi, rt, self)
LOG.info("Subscribe: %s ", subobj)
self.rtm.enqueue(subobj)
