nova-solver-scheduler/nova_solverscheduler/tests/scheduler/solvers/constraints/test_numa_topology_constrai...

113 lines
4.6 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.
import mock
from oslo_serialization import jsonutils
from nova import objects
from nova.objects import base as obj_base
from nova import test
from nova.tests.unit import fake_instance
from nova_solverscheduler.scheduler.solvers.constraints \
import numa_topology_constraint
from nova_solverscheduler.tests.scheduler import solver_scheduler_fakes \
as fakes
NUMA_TOPOLOGY = objects.NUMATopology(
cells=[
objects.NUMACell(id=0, cpuset=set([1, 2]), memory=512,
cpu_usage=0, memory_usage=0, mempages=[],
siblings=[], pinned_cpus=set([])),
objects.NUMACell(id=1, cpuset=set([3, 4]), memory=512,
cpu_usage=0, memory_usage=0, mempages=[],
siblings=[], pinned_cpus=set([]))
]
)
class TestNUMATopologyConstraint(test.NoDBTestCase):
def setUp(self):
super(TestNUMATopologyConstraint, self).setUp()
self.constraint_cls = numa_topology_constraint.NUMATopologyConstraint
def _gen_fake_hosts(self):
host1 = fakes.FakeSolverSchedulerHostState('host1', 'node1',
{
'numa_topology': objects.NUMATopology(
cells=[
objects.NUMACell(id=0, cpuset=set([1, 2]),
memory=1024, cpu_usage=0, memory_usage=0,
mempages=[], siblings=[], pinned_cpus=set([])),
objects.NUMACell(id=1, cpuset=set([3, 4]),
memory=1024, cpu_usage=0, memory_usage=0,
mempages=[], siblings=[], pinned_cpus=set([]))]),
'pci_stats': None
})
host2 = fakes.FakeSolverSchedulerHostState('host2', 'node1',
{
'numa_topology': objects.NUMATopology(
cells=[
objects.NUMACell(id=0, cpuset=set([1, 2]),
memory=1024, cpu_usage=0, memory_usage=0,
mempages=[], siblings=[], pinned_cpus=set([])),
objects.NUMACell(id=1, cpuset=set([3, 4]),
memory=512, cpu_usage=0, memory_usage=0,
mempages=[], siblings=[], pinned_cpus=set([]))]),
'pci_stats': None
})
host3 = fakes.FakeSolverSchedulerHostState('host3', 'node1',
{
'numa_topology': objects.NUMATopology(
cells=[
objects.NUMACell(id=0, cpuset=set([1, 2]),
memory=512, cpu_usage=0, memory_usage=0,
mempages=[], siblings=[], pinned_cpus=set([])),
objects.NUMACell(id=1, cpuset=set([3]),
memory=512, cpu_usage=0, memory_usage=0,
mempages=[], siblings=[], pinned_cpus=set([]))]),
'pci_stats': None
})
hosts = [host1, host2, host3]
return hosts
def test_get_constraint_matrix(self):
self.flags(ram_allocation_ratio=1)
self.flags(cpu_allocation_ratio=2)
instance_topology = objects.InstanceNUMATopology(cells=[
objects.InstanceNUMACell(id=0, cpuset=set([1, 2]), memory=512),
objects.InstanceNUMACell(id=1, cpuset=set([3, 4]), memory=512)]
)
instance = fake_instance.fake_instance_obj(mock.sentinel.ctx,
root_gb=0, ephemeral_gb=0, memory_mb=0, vcpus=0,)
instance.numa_topology = instance_topology
filter_properties = {
'request_spec': {
'instance_properties': jsonutils.to_primitive(
obj_base.obj_to_primitive(instance))},
'num_instances': 2}
fake_hosts = self._gen_fake_hosts()
expected_cons_mat = [
[True, True],
[True, False],
[False, False]]
cons_mat = self.constraint_cls().get_constraint_matrix(
fake_hosts, filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)