tripleo-common/tripleo_common/tests/test_update.py
Brent Eagles 379f886119 Prevent upgrading to incompatible mechanism driver
Prevent upgrading a stack to a version of tripleo templates or
environment that specifies neutron mechanism drivers that are
incompatible with the existing stack.

Change-Id: I33fafe07326dcff4e4abb856a219d57a4c9699a1
2019-01-18 13:52:22 +01:00

124 lines
5.4 KiB
Python

# Copyright 2018 Red Hat, Inc.
#
# 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 mock
from tripleo_common.tests import base
from tripleo_common import update
class TestUpdate(base.TestCase):
def setUp(self):
super(TestUpdate, self).setUp()
def test_successful_search_stack(self):
test_stack = [{'one': {'one_1': 'nope'}},
{'two': [{'two_1': {'two_1_2': 'nope'}},
{'two_2': [{'two_2_1': 'nope'},
{'two_2_2': 'nope'}]}]},
{'three': [{'three_1': {'three_1_2': 'nope'}},
{'three_2': [{'three_2_1': 'nope'},
{'three_2_2': {
'target': ['val1', 'val2',
'val3']}}]}]}]
result = update.search_stack(test_stack, 'target')
self.assertEqual(['val1', 'val2', 'val3'], result)
def test_failed_search_stack(self):
test_stack = [{'one': {'one_1': 'nope'}},
{'two': [{'two_1': {'two_1_2': 'nope'}},
{'two_2': [{'two_2_1': 'nope'},
{'two_2_2': 'nope'}]}]},
{'three': [{'three_1': {'three_1_2': 'nope'}},
{'three_2': [{'three_2_1': 'nope'},
{'three_2_2': {
'target': ['val1', 'val2',
'val3']}}]}]}]
result = update.search_stack(test_stack, 'missing-target')
self.assertIsNone(result)
def test_exclusive_neutron_drivers_not_found(self):
self.assertIsNone(
update.get_exclusive_neutron_driver(None))
self.assertIsNone(
update.get_exclusive_neutron_driver('sriovnicswitch'))
self.assertIsNone(
update.get_exclusive_neutron_driver(['sriovnicswitch']))
self.assertIsNone(
update.get_exclusive_neutron_driver(['sriovnicswitch',
'odl']))
def test_exclusive_neutron_drivers_found(self):
for ex in ['ovn', ['ovn'], ['odl', 'ovn'], ['sriovnicswitch', 'ovn']]:
self.assertEqual('ovn',
update.get_exclusive_neutron_driver(ex))
for ex in ['openvswitch', ['openvswitch'],
['sriovnicswitch', 'openvswitch']]:
self.assertEqual('openvswitch',
update.get_exclusive_neutron_driver(ex))
@mock.patch('tripleo_common.update.search_stack',
autospec=True)
def test_update_check_mechanism_drivers_force_update(self,
mock_search_stack):
env = {'parameter_defaults': {'ForceNeutronDriverUpdate': True}}
stack = mock.Mock()
update.check_neutron_mechanism_drivers(env, stack, None, None)
self.assertFalse(mock_search_stack.called)
@mock.patch('tripleo_common.update.get_exclusive_neutron_driver',
return_value='ovn')
@mock.patch('tripleo_common.update.search_stack',
autospec=True)
def test_update_check_mechanism_drivers_match_stack_env(self,
mock_search_stack,
mock_ex_driver):
env = {'parameter_defaults': {
'ForceNeutronDriverUpdate': False,
'NeutronMechanismDrivers': 'ovn'
}}
stack = mock.Mock()
self.assertIsNone(update.check_neutron_mechanism_drivers(
env, stack, None, None))
@mock.patch('tripleo_common.update.search_stack',
return_value='openvswitch')
def test_update_check_mechanism_drivers_mismatch_stack_env(
self, mock_search_stack):
env = {'parameter_defaults': {
'ForceNeutronDriverUpdate': False
}}
stack = mock.Mock()
plan_client = mock.Mock()
plan_client.get_object.return_value = (
0, 'parameters:\n NeutronMechanismDrivers: {default: ovn}\n')
self.assertIsNotNone(update.check_neutron_mechanism_drivers(
env, stack, plan_client, None))
@mock.patch('tripleo_common.update.search_stack',
return_value='ovn')
def test_update_check_mechanism_drivers_match_stack_template(
self, mock_search_stack):
env = {'parameter_defaults': {
'ForceNeutronDriverUpdate': False
}}
stack = mock.Mock()
plan_client = mock.Mock()
plan_client.get_object.return_value = (
0, 'parameters:\n NeutronMechanismDrivers: {default: ovn}\n')
self.assertIsNone(update.check_neutron_mechanism_drivers(
env, stack, plan_client, None))