75 lines
3.0 KiB
Python
75 lines
3.0 KiB
Python
# Copyright (c) 2015 Cisco Systems, 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.
|
|
|
|
"""Test case for solver scheduler IO Ops cost."""
|
|
|
|
from nova import context
|
|
from nova import test
|
|
from nova_solverscheduler.scheduler.solvers import costs
|
|
from nova_solverscheduler.scheduler.solvers.costs import io_ops_cost
|
|
from nova_solverscheduler.tests.scheduler import solver_scheduler_fakes \
|
|
as fakes
|
|
|
|
|
|
class TestIoOpsCost(test.NoDBTestCase):
|
|
def setUp(self):
|
|
super(TestIoOpsCost, self).setUp()
|
|
self.context = context.RequestContext('fake_usr', 'fake_proj')
|
|
self.cost_handler = costs.CostHandler()
|
|
self.cost_classes = self.cost_handler.get_matching_classes(
|
|
['nova_solverscheduler.scheduler.solvers.costs.'
|
|
'io_ops_cost.IoOpsCost'])
|
|
|
|
def _get_all_hosts(self):
|
|
host1 = fakes.FakeSolverSchedulerHostState('host1', 'node1',
|
|
{'num_io_ops': 0})
|
|
host2 = fakes.FakeSolverSchedulerHostState('host2', 'node2',
|
|
{'num_io_ops': 1})
|
|
host3 = fakes.FakeSolverSchedulerHostState('host3', 'node3',
|
|
{'num_io_ops': 2})
|
|
host4 = fakes.FakeSolverSchedulerHostState('host4', 'node4',
|
|
{'num_io_ops': 5})
|
|
return [host1, host2, host3, host4]
|
|
|
|
def test_io_ops_cost_multiplier_1(self):
|
|
self.flags(io_ops_cost_multiplier=0.5, group='solver_scheduler')
|
|
self.assertEqual(0.5, io_ops_cost.IoOpsCost().cost_multiplier())
|
|
|
|
def test_io_ops_cost_multiplier_2(self):
|
|
self.flags(io_ops_cost_multiplier=(-2), group='solver_scheduler')
|
|
self.assertEqual((-2), io_ops_cost.IoOpsCost().cost_multiplier())
|
|
|
|
def test_get_extended_cost_matrix(self):
|
|
fake_hosts = self._get_all_hosts()
|
|
fake_hosts = list(fake_hosts)
|
|
fake_filter_properties = {
|
|
'context': self.context,
|
|
'num_instances': 3}
|
|
|
|
fake_cost = self.cost_classes[0]()
|
|
|
|
expected_x_cost_mat = [
|
|
[0.0, 0.2, 0.4, 0.6],
|
|
[0.2, 0.4, 0.6, 0.8],
|
|
[0.4, 0.6, 0.8, 1.0],
|
|
[1.0, 1.2, 1.4, 1.6]]
|
|
|
|
x_cost_mat = fake_cost.get_extended_cost_matrix(fake_hosts,
|
|
fake_filter_properties)
|
|
expected_x_cost_mat = [[round(val, 4) for val in row]
|
|
for row in expected_x_cost_mat]
|
|
x_cost_mat = [[round(val, 4) for val in row] for row in x_cost_mat]
|
|
self.assertEqual(expected_x_cost_mat, x_cost_mat)
|