117 lines
4.5 KiB
Python
117 lines
4.5 KiB
Python
#
|
|
# 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.
|
|
"""
|
|
Tests For Scheduler build failure weights.
|
|
"""
|
|
|
|
from nova import objects
|
|
from nova.scheduler import weights
|
|
from nova.scheduler.weights import compute
|
|
from nova import test
|
|
from nova.tests.unit.scheduler import fakes
|
|
|
|
|
|
class BuildFailureWeigherTestCase(test.NoDBTestCase):
|
|
def setUp(self):
|
|
super(BuildFailureWeigherTestCase, self).setUp()
|
|
self.weight_handler = weights.HostWeightHandler()
|
|
self.weighers = [compute.BuildFailureWeigher()]
|
|
self.buildfailure_weigher = compute.BuildFailureWeigher()
|
|
|
|
def _get_weighed_host(self, hosts):
|
|
return self.weight_handler.get_weighed_objects(self.weighers,
|
|
hosts, {})
|
|
|
|
def _get_all_hosts(self):
|
|
host_values = [
|
|
('host1', 'node1', {'failed_builds': 0}),
|
|
('host2', 'node2', {'failed_builds': 1}),
|
|
('host3', 'node3', {'failed_builds': 10}),
|
|
('host4', 'node4', {'failed_builds': 100})
|
|
]
|
|
return [fakes.FakeHostState(host, node, values)
|
|
for host, node, values in host_values]
|
|
|
|
def test_build_failure_weigher_disabled(self):
|
|
self.flags(build_failure_weight_multiplier=0.0,
|
|
group='filter_scheduler')
|
|
hosts = self._get_all_hosts()
|
|
weighed_hosts = self._get_weighed_host(hosts)
|
|
self.assertTrue(all([wh.weight == 0.0
|
|
for wh in weighed_hosts]))
|
|
|
|
def test_build_failure_weigher_scaled(self):
|
|
self.flags(build_failure_weight_multiplier=1000.0,
|
|
group='filter_scheduler')
|
|
hosts = self._get_all_hosts()
|
|
weighed_hosts = self._get_weighed_host(hosts)
|
|
self.assertEqual([0, -10, -100, -1000],
|
|
[wh.weight for wh in weighed_hosts])
|
|
|
|
def test_build_failure_weight_multiplier(self):
|
|
self.flags(build_failure_weight_multiplier=0.0,
|
|
group='filter_scheduler')
|
|
host_attr = {'failed_builds': 1}
|
|
host1 = fakes.FakeHostState('fake-host', 'node', host_attr)
|
|
# By default, return the weight_multiplier configuration directly
|
|
self.assertEqual(0.0,
|
|
self.buildfailure_weigher.weight_multiplier(host1))
|
|
|
|
host1.aggregates = [
|
|
objects.Aggregate(
|
|
id=1,
|
|
name='foo',
|
|
hosts=['fake-host'],
|
|
metadata={'build_failure_weight_multiplier': '1000.0'},
|
|
)]
|
|
# read the weight multiplier from metadata to override the config
|
|
self.assertEqual(-1000,
|
|
self.buildfailure_weigher.weight_multiplier(host1))
|
|
|
|
host1.aggregates = [
|
|
objects.Aggregate(
|
|
id=1,
|
|
name='foo',
|
|
hosts=['fake-host'],
|
|
metadata={'build_failure_weight_multiplier': '500'},
|
|
),
|
|
objects.Aggregate(
|
|
id=2,
|
|
name='foo',
|
|
hosts=['fake-host'],
|
|
metadata={'build_failure_weight_multiplier': '1000'},
|
|
)]
|
|
# If the host is in multiple aggs and there are conflict weight values
|
|
# in the metadata, we will use the min value among them
|
|
self.assertEqual(-500,
|
|
self.buildfailure_weigher.weight_multiplier(host1))
|
|
|
|
def test_host_with_agg(self):
|
|
self.flags(build_failure_weight_multiplier=0.0,
|
|
group='filter_scheduler')
|
|
hostinfo_list = self._get_all_hosts()
|
|
aggs = [
|
|
objects.Aggregate(
|
|
id=1,
|
|
name='foo',
|
|
hosts=['host1', 'host2', 'host3', 'host4'],
|
|
metadata={'build_failure_weight_multiplier': '1000'},
|
|
)]
|
|
for h in hostinfo_list:
|
|
h.aggregates = aggs
|
|
|
|
weights = self.weight_handler.get_weighed_objects(self.weighers,
|
|
hostinfo_list, {})
|
|
self.assertEqual([0, -10, -100, -1000],
|
|
[wh.weight for wh in weights])
|