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

464 lines
15 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 nova import context
from nova import objects
from nova import test
from nova_solverscheduler.scheduler.solvers.constraints \
import rack_affinity_constraint
from nova_solverscheduler.tests.scheduler import solver_scheduler_fakes \
as fakes
@mock.patch('nova_solverscheduler.scheduler.solvers.utils.get_host_racks_map')
class TestSameRackConstraint(test.NoDBTestCase):
def setUp(self):
super(TestSameRackConstraint, self).setUp()
self.constraint_cls = rack_affinity_constraint.SameRackConstraint
self.context = context.RequestContext('fake', 'fake')
self.fake_hosts = [fakes.FakeSolverSchedulerHostState(
'host%s' % i, 'node1', {}) for i in xrange(1, 7)]
def test_same_rack_one_inst(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host2
self.fake_hosts[1].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'same_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host2': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host5': set(['rack3']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[True, True],
[True, True],
[False, False],
[False, False],
[False, False],
[False, False]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_same_rack_multi_inst(self, racks_mock):
instance1 = objects.Instance(uuid='inst1')
instance2 = objects.Instance(uuid='inst2')
instance1_uuid = instance1.uuid
instance2_uuid = instance2.uuid
# let these instances be in host1 and host3
self.fake_hosts[0].instances = {instance1_uuid: instance1}
self.fake_hosts[2].instances = {instance2_uuid: instance2}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'same_rack': [instance1_uuid, instance2_uuid]}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host2': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host5': set(['rack3']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[True, True],
[True, True],
[True, True],
[True, True],
[False, False],
[False, False]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_same_rack_with_cross_rack_host(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host1
self.fake_hosts[0].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'same_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1', 'rack2']),
'host2': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host5': set(['rack3']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[True, True],
[True, True],
[True, True],
[True, True],
[False, False],
[False, False]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_same_rack_incomplete_rack_config(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host2
self.fake_hosts[1].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'same_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[False, False],
[True, True],
[False, False],
[False, False],
[False, False],
[False, False]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_same_rack_incomplete_rack_config2(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host3
self.fake_hosts[2].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'same_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[False, False],
[False, False],
[True, True],
[True, True],
[False, False],
[False, False]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_same_rack_no_rack_config(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host2
self.fake_hosts[1].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'same_rack': instance_uuid}
}
racks_mock.return_value = {}
expected_cons_mat = [
[False, False],
[True, True],
[False, False],
[False, False],
[False, False],
[False, False]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
@mock.patch('nova_solverscheduler.scheduler.solvers.utils.get_host_racks_map')
class TestDifferentRackConstraint(test.NoDBTestCase):
def setUp(self):
super(TestDifferentRackConstraint, self).setUp()
self.constraint_cls = rack_affinity_constraint.DifferentRackConstraint
self.context = context.RequestContext('fake', 'fake')
self.fake_hosts = [fakes.FakeSolverSchedulerHostState(
'host%s' % i, 'node1', {}) for i in xrange(1, 7)]
def test_different_rack_one_inst(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host2
self.fake_hosts[1].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'different_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host2': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host5': set(['rack3']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[False, False],
[False, False],
[True, True],
[True, True],
[True, True],
[True, True]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_different_rack_multi_inst(self, racks_mock):
instance1 = objects.Instance(uuid='inst1')
instance2 = objects.Instance(uuid='inst2')
instance1_uuid = instance1.uuid
instance2_uuid = instance2.uuid
# let these instances be in host1 and host3
self.fake_hosts[0].instances = {instance1_uuid: instance1}
self.fake_hosts[2].instances = {instance2_uuid: instance2}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'different_rack':
[instance1_uuid, instance2_uuid]}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host2': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host5': set(['rack3']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[False, False],
[False, False],
[False, False],
[False, False],
[True, True],
[True, True]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_different_rack_with_cross_rack_host(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host1
self.fake_hosts[0].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'different_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1', 'rack2']),
'host2': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host5': set(['rack3']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[False, False],
[False, False],
[False, False],
[False, False],
[True, True],
[True, True]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_different_rack_incomplete_rack_config(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host2
self.fake_hosts[1].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'different_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[True, True],
[False, False],
[True, True],
[True, True],
[True, True],
[True, True]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_different_rack_incomplete_rack_config2(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host3
self.fake_hosts[2].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'different_rack': instance_uuid}
}
racks_mock.return_value = {
'host1': set(['rack1']),
'host3': set(['rack2']),
'host4': set(['rack2']),
'host6': set(['rack3'])
}
expected_cons_mat = [
[True, True],
[True, True],
[False, False],
[False, False],
[True, True],
[True, True]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)
def test_different_rack_no_rack_config(self, racks_mock):
instance = objects.Instance(uuid='inst1')
instance_uuid = instance.uuid
# let this instance be in host2
self.fake_hosts[1].instances = {instance_uuid: instance}
fake_filter_properties = {
'context': self.context,
'project_id': 'fake',
'num_instances': 2,
'scheduler_hints': {'different_rack': instance_uuid}
}
racks_mock.return_value = {}
expected_cons_mat = [
[True, True],
[False, False],
[True, True],
[True, True],
[True, True],
[True, True]
]
cons_mat = self.constraint_cls().get_constraint_matrix(
self.fake_hosts, fake_filter_properties)
self.assertEqual(expected_cons_mat, cons_mat)