neutron/neutron/tests/functional/agent/ovsdb/native/test_connection.py

68 lines
2.4 KiB
Python

# Copyright (c) 2018 Red Hat, Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import threading
from ovsdbapp import event
from neutron.agent.common import ovs_lib
from neutron.tests.functional import base
class WaitForBridgesEvent(event.RowEvent):
event_name = 'WaitForBridgesEvent'
ONETIME = True
def __init__(self, bridges, timeout=5):
self.bridges_not_seen = set(bridges)
self.timeout = timeout
self.event = threading.Event()
super(WaitForBridgesEvent, self).__init__(
(self.ROW_CREATE,), 'Bridge', None)
def matches(self, event, row, old=None):
if event not in self.events or row._table.name != self.table:
return False
self.bridges_not_seen.discard(row.name)
return not self.bridges_not_seen
def run(self, event, row, old):
self.event.set()
def wait(self):
return self.event.wait(self.timeout)
class BridgeMonitorTestCase(base.BaseSudoTestCase):
def _delete_bridges(self, bridges):
for bridge in bridges:
self.ovs.delete_bridge(bridge)
def test_create_bridges(self):
bridges_to_monitor = ['br01', 'br02', 'br03']
bridges_to_create = ['br01', 'br02', 'br03', 'br04', 'br05']
self.ovs = ovs_lib.BaseOVS()
self.ovs.ovsdb.idl_monitor.start_bridge_monitor(bridges_to_monitor)
self.addCleanup(self._delete_bridges, bridges_to_create)
event = WaitForBridgesEvent(bridges_to_monitor)
self.ovs.ovsdb.idl_monitor.notify_handler.watch_event(event)
for bridge in bridges_to_create:
self.ovs.add_bridge(bridge)
self.assertTrue(event.wait())
self.assertEqual(bridges_to_monitor,
self.ovs.ovsdb.idl_monitor.bridges_added)
self.assertEqual([], self.ovs.ovsdb.idl_monitor.bridges_added)