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Merge "[FT] Workaround for "test_gateway_chassis_rebalance" test"

changes/08/821208/6
Zuul 4 months ago committed by Gerrit Code Review
parent
commit
af15ebfe56
  1. 40
      neutron/tests/functional/services/ovn_l3/test_plugin.py

40
neutron/tests/functional/services/ovn_l3/test_plugin.py

@ -14,20 +14,22 @@
from unittest import mock
from neutron.common.ovn import constants as ovn_const
from neutron.common.ovn import utils as ovn_utils
from neutron.common import utils as n_utils
from neutron.scheduler import l3_ovn_scheduler as l3_sched
from neutron.tests.functional import base
from neutron.tests.functional.resources.ovsdb import events
from neutron_lib.api.definitions import external_net
from neutron_lib.api.definitions import l3 as l3_apidef
from neutron_lib.api.definitions import portbindings
from neutron_lib.api.definitions import provider_net as pnet
from neutron_lib import constants as n_consts
from neutron_lib.plugins import directory
from oslo_db import exception as db_exc
from ovsdbapp.backend.ovs_idl import idlutils
from neutron.common.ovn import constants as ovn_const
from neutron.common.ovn import utils as ovn_utils
from neutron.common import utils as n_utils
from neutron.scheduler import l3_ovn_scheduler as l3_sched
from neutron.tests.functional import base
from neutron.tests.functional.resources.ovsdb import events
class TestRouter(base.TestOVNFunctionalBase):
def setUp(self):
@ -488,10 +490,20 @@ class TestRouter(base.TestOVNFunctionalBase):
ext1 = self._create_ext_network(
'ext1', 'flat', 'physnet4', None, "30.0.0.1", "30.0.0.0/24")
gw_info = {'network_id': ext1['network']['id']}
# Create 20 routers with a gateway. Since we're using physnet4, the
# chassis candidates will be chassis4 initially.
for i in range(20):
router = self._create_router('router%d' % i, gw_info=gw_info)
# Tries to create 20 routers with a gateway. Since we're using
# physnet4, the chassis candidates will be chassis4 initially.
num_routers = 20
for i in range(num_routers):
try:
router = self._create_router('router%d' % i, gw_info=gw_info)
except db_exc.DBReferenceError:
# NOTE(ralonsoh): this is a workaround for LP#1956344. There
# seems to be a bug in SQLite3. The "port" DB object is not
# persistently stored in the DB and raises a "DBReferenceError"
# exception occasionally.
num_routers -= 1
continue
gw_port_id = router.get('gw_port_id')
logical_port = 'cr-lrp-%s' % gw_port_id
self.assertTrue(self.cr_lrp_pb_event.wait(logical_port),
@ -499,7 +511,7 @@ class TestRouter(base.TestOVNFunctionalBase):
self.sb_api.lsp_bind(logical_port, chassis4,
may_exist=True).execute(check_error=True)
self.l3_plugin.schedule_unhosted_gateways()
expected = {chassis4: {1: 20}}
expected = {chassis4: {1: num_routers}}
self.assertEqual(expected, _get_result_dict())
# Add another chassis as a gateway chassis
@ -514,9 +526,9 @@ class TestRouter(base.TestOVNFunctionalBase):
# Chassis4 should have all ports at Priority 2
self.l3_plugin.schedule_unhosted_gateways()
self.assertEqual({2: 20}, _get_result_dict()[chassis4])
self.assertEqual({2: num_routers}, _get_result_dict()[chassis4])
# Chassis5 should have all ports at Priority 1
self.assertEqual({1: 20}, _get_result_dict()[chassis5])
self.assertEqual({1: num_routers}, _get_result_dict()[chassis5])
# delete chassis that hosts all the gateways
self.del_fake_chassis(chassis4)
@ -525,7 +537,7 @@ class TestRouter(base.TestOVNFunctionalBase):
# As Chassis4 has been removed so all gateways that were
# hosted there are now primaries on chassis5 and have
# priority 1.
self.assertEqual({1: 20}, _get_result_dict()[chassis5])
self.assertEqual({1: num_routers}, _get_result_dict()[chassis5])
def test_gateway_chassis_rebalance_max_chassis(self):
chassis_list = []

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