openstack/designate
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Add simple scheduler permutation tests

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Change-Id: Ib55d16b2f05269ae58bbcf38e816fb776dbe4f3c
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Erik Olof Gunnar Andersson 2021-06-01 22:44:50 -07:00
parent 057dd2b3c6
commit c0bd7c7ff0
1 changed files with 251 additions and 0 deletions
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designate/tests/unit/scheduler/test_permutations.py Normal file
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# 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.
from unittest import mock
from oslo_config import cfg
from oslo_config import fixture as cfg_fixture
from designate import exceptions
from designate import objects
from designate import scheduler
from designate import tests
DEFAULT_POOL_ID = BRONZE_POOL_ID = '67d71c2a-645c-4dde-a6b8-60a172c9ede8'
SILVER_POOL_ID = '5fabcd37-262c-4cf3-8625-7f419434b6df'
GOLD_POOL_ID = '24702e43-8a52-440f-ab74-19fc16048860'
def build_test_pools():
pools = objects.PoolList.from_list(
[
{'id': DEFAULT_POOL_ID},
{'id': SILVER_POOL_ID},
{'id': GOLD_POOL_ID},
]
)
# Pool 0 is also the default pool.
pool_0_attributes = objects.PoolAttributeList.from_list([
{
'key': 'service_tier',
'value': 'bronze'
},
])
pool_1_attributes = objects.PoolAttributeList.from_list([
{
'key': 'service_tier',
'value': 'silver'
},
])
pool_2_attributes = objects.PoolAttributeList.from_list([
{
'key': 'service_tier',
'value': 'gold'
},
])
pools[0].attributes = pool_0_attributes
pools[1].attributes = pool_1_attributes
pools[2].attributes = pool_2_attributes
return pools
class AttributeSchedulerPermutationsTest(tests.TestCase):
def setUp(self):
super(AttributeSchedulerPermutationsTest, self).setUp()
self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
self.context = self.get_context()
self.CONF.set_override(
'scheduler_filters', ['attribute'], 'service:central'
)
self.CONF.set_override(
'default_pool_id', DEFAULT_POOL_ID, 'service:central'
)
attrs = {
'find_pools.return_value': build_test_pools()
}
mock_storage = mock.Mock(**attrs)
self.scheduler = scheduler.get_scheduler(storage=mock_storage)
def test_get_gold_tier(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
attributes=objects.ZoneAttributeList.from_list(
[
{
'key': 'service_tier',
'value': 'gold'
},
]
)
)
result = self.scheduler.schedule_zone(self.context, zone)
self.assertEqual(GOLD_POOL_ID, result)
def test_get_silver_tier(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
attributes=objects.ZoneAttributeList.from_list(
[
{
'key': 'service_tier',
'value': 'silver'
},
]
)
)
result = self.scheduler.schedule_zone(self.context, zone)
self.assertEqual(SILVER_POOL_ID, result)
def test_get_bronze_tier(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
attributes=objects.ZoneAttributeList.from_list(
[
{
'key': 'service_tier',
'value': 'bronze'
},
]
)
)
result = self.scheduler.schedule_zone(self.context, zone)
self.assertEqual(BRONZE_POOL_ID, result)
def test_tier_not_found_raises_exception(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
attributes=objects.ZoneAttributeList.from_list(
[
{
'key': 'service_tier',
'value': 'blue'
},
]
)
)
self.assertRaises(
exceptions.NoValidPoolFound,
self.scheduler.schedule_zone, self.context, zone
)
def test_no_tier_raises_exception(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
attributes=objects.ZoneAttributeList.from_list(
[]
)
)
# When no attribute is requested it will return all available pools.
# NOTE(eandersson): This is probably not intended behavior.
# We probably want this to return NoValidPoolFound,
# so that we can use a fallback filter with the
# attribute filter.
self.assertRaises(
exceptions.MultiplePoolsFound,
self.scheduler.schedule_zone, self.context, zone
)
class DefaultSchedulerPermutationsTest(tests.TestCase):
def setUp(self):
super(DefaultSchedulerPermutationsTest, self).setUp()
self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
self.context = self.get_context()
self.CONF.set_override(
'scheduler_filters', ['default_pool'], 'service:central'
)
self.CONF.set_override(
'default_pool_id', DEFAULT_POOL_ID, 'service:central'
)
attrs = {
'find_pools.return_value': build_test_pools()
}
mock_storage = mock.Mock(**attrs)
self.scheduler = scheduler.get_scheduler(storage=mock_storage)
def test_get_default_pool(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
)
result = self.scheduler.schedule_zone(self.context, zone)
self.assertEqual(DEFAULT_POOL_ID, result)
class FallbackSchedulerPermutationsTest(tests.TestCase):
def setUp(self):
super(FallbackSchedulerPermutationsTest, self).setUp()
self.CONF = self.useFixture(cfg_fixture.Config(cfg.CONF)).conf
self.context = self.get_context()
self.CONF.set_override(
'scheduler_filters', ['attribute', 'fallback'], 'service:central'
)
self.CONF.set_override(
'default_pool_id', DEFAULT_POOL_ID, 'service:central'
)
attrs = {
'find_pools.return_value': build_test_pools()
}
mock_storage = mock.Mock(**attrs)
self.scheduler = scheduler.get_scheduler(storage=mock_storage)
def test_tier_not_found_return_default(self):
zone = objects.Zone(
name='example.com.',
type='PRIMARY',
email='hostmaster@example.com',
attributes=objects.ZoneAttributeList.from_list(
[
{
'key': 'service_tier',
'value': 'that does not exist'
},
]
)
)
result = self.scheduler.schedule_zone(self.context, zone)
self.assertEqual(DEFAULT_POOL_ID, result)