def _add_chassis_switch_port(self):
cname, sname, pname = (utils.get_rand_device_name(prefix=p)
for p in ("chassis", "switch", "port"))
chassis = self._chassis_add(['vxlan'], '192.0.2.1', chassis=cname)
row_event = event.WaitForPortBindingEvent(pname)
bogus_event = event.ExceptionalMatchFnEvent(pname)
# We have to wait for ovn-northd to actually create the port binding
self.handler.watch_event(bogus_event)
self.handler.watch_event(row_event)
with self.nbapi.transaction(check_error=True) as txn:
switch = txn.add(self.nbapi.ls_add(sname))
port = txn.add(self.nbapi.lsp_add(sname, pname))
self.assertTrue(row_event.wait())
self.assertFalse(bogus_event.wait())
return chassis, switch.result, port.result
def _create_logical_switch_port(self):
lswitch_name = 'ovn-' + uuidutils.generate_uuid()
lswitchport_name = 'ovn-port-' + uuidutils.generate_uuid()
# It may take some time to ovn-northd to translate from OVN NB DB to
# the OVN SB DB. Wait for port binding event to happen before binding
# the port to chassis.
pb_event = test_event.WaitForPortBindingEvent(lswitchport_name)
self.handler.watch_event(pb_event)
with self.nb_api.transaction(check_error=True, log_errors=True) as txn:
txn.add(self.nb_api.ls_add(lswitch_name))
txn.add(
self.nb_api.create_lswitch_port(lswitchport_name,
lswitch_name))
self._create_metadata_port(txn, lswitch_name)
self.assertTrue(pb_event.wait())
return lswitchport_name
def test_agent_resync_on_non_existing_bridge(self, mock_pbinding):
# The agent has initialized with br-int and above list_br doesn't
# return it, hence the agent should trigger reconfiguration and store
# new br-new value to its attribute.
self.assertEqual(self.OVN_BRIDGE, self.agent.ovn_bridge)
lswitch_name = 'ovn-' + uuidutils.generate_uuid()
lswitchport_name = 'ovn-port-' + uuidutils.generate_uuid()
# It may take some time to ovn-northd to translate from OVN NB DB to
# the OVN SB DB. Wait for port binding event to happen before binding
# the port to chassis.
pb_event = test_event.WaitForPortBindingEvent(lswitchport_name)
self.handler.watch_event(pb_event)
with self.nb_api.transaction(check_error=True, log_errors=True) as txn:
txn.add(self.nb_api.ls_add(lswitch_name))
txn.add(
self.nb_api.create_lswitch_port(lswitchport_name,
lswitch_name))
self._create_metadata_port(txn, lswitch_name)
self.assertTrue(pb_event.wait())
# Trigger PortBindingChassisEvent
self.sb_api.lsp_bind(lswitchport_name,
self.chassis_name).execute(check_error=True,
log_errors=True)
exc = Exception('PortBindingChassisEvent was not called')
def check_mock_pbinding():
if mock_pbinding.call_count < 1:
return False
args = mock_pbinding.call_args[0]
self.assertEqual('update', args[0])
self.assertEqual(lswitchport_name, args[1].logical_port)
self.assertEqual(self.chassis_name, args[1].chassis[0].name)
return True
n_utils.wait_until_true(check_mock_pbinding, timeout=10, exception=exc)
def test_agent_resync_on_non_existing_bridge(self):
BR_NEW = 'br-new'
self._mock_get_ovn_br.return_value = BR_NEW
self.agent.ovs_idl.list_br.return_value.execute.return_value = [BR_NEW]
# The agent has initialized with br-int and above list_br doesn't
# return it, hence the agent should trigger reconfiguration and store
# new br-new value to its attribute.
self.assertEqual(self.OVN_BRIDGE, self.agent.ovn_bridge)
lswitch_name = 'ovn-' + uuidutils.generate_uuid()
lswitchport_name = 'ovn-port-' + uuidutils.generate_uuid()
# It may take some time to ovn-northd to translate from OVN NB DB to
# the OVN SB DB. Wait for port binding event to happen before binding
# the port to chassis.
pb_event = test_event.WaitForPortBindingEvent(lswitchport_name)
self.handler.watch_event(pb_event)
with self.nb_api.transaction(check_error=True, log_errors=True) as txn:
txn.add(self.nb_api.ls_add(lswitch_name))
txn.add(
self.nb_api.create_lswitch_port(lswitchport_name,
lswitch_name))
self._create_metadata_port(txn, lswitch_name)
self.assertTrue(pb_event.wait())
# Trigger PortBindingChassisEvent
self.sb_api.lsp_bind(lswitchport_name,
self.chassis_name).execute(check_error=True,
log_errors=True)
exc = Exception("Agent bridge hasn't changed from %s to %s "
"in 10 seconds after Port_Binding event" %
(self.agent.ovn_bridge, BR_NEW))
n_utils.wait_until_true(lambda: BR_NEW == self.agent.ovn_bridge,
timeout=10,
exception=exc)
