cinder/cinder/tests/unit/scheduler/test_host_filters.py

1686 lines
70 KiB
Python

# Copyright 2011 OpenStack Foundation # 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.
"""
Tests For Scheduler Host Filters.
"""
import mock
from oslo_serialization import jsonutils
from requests import exceptions as request_exceptions
from cinder.compute import nova
from cinder import context
from cinder import db
from cinder import exception
from cinder.scheduler import filters
from cinder.scheduler.filters import extra_specs_ops
from cinder import test
from cinder.tests.unit import fake_constants as fake
from cinder.tests.unit.scheduler import fakes
from cinder.tests.unit import utils
class HostFiltersTestCase(test.TestCase):
"""Test case for host filters."""
def setUp(self):
super(HostFiltersTestCase, self).setUp()
self.context = context.RequestContext(fake.user_id, fake.project_id)
# This has a side effect of testing 'get_filter_classes'
# when specifying a method (in this case, our standard filters)
filter_handler = filters.HostFilterHandler('cinder.scheduler.filters')
classes = filter_handler.get_all_classes()
self.class_map = {}
for cls in classes:
self.class_map[cls.__name__] = cls
class CapacityFilterTestCase(HostFiltersTestCase):
def setUp(self):
super(CapacityFilterTestCase, self).setUp()
self.json_query = jsonutils.dumps(
['and',
['>=', '$free_capacity_gb', 1024],
['>=', '$total_capacity_gb', 10 * 1024]])
@mock.patch('cinder.utils.service_is_up')
def test_filter_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 200,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_current_host_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100, 'vol_exists_on': 'host1'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 100,
'free_capacity_gb': 10,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_fails(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 200,
'free_capacity_gb': 120,
'reserved_percentage': 20,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_fails_free_capacity_None(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_capacity_gb': None,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_passes_infinite(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_capacity_gb': 'infinite',
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_passes_unknown(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_capacity_gb': 'unknown',
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_passes_total_infinite(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_capacity_gb': 'infinite',
'total_capacity_gb': 'infinite',
'reserved_percentage': 0,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_passes_total_unknown(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_capacity_gb': 'unknown',
'total_capacity_gb': 'unknown',
'reserved_percentage': 0,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_fails_total_infinite(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 'infinite',
'reserved_percentage': 5,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_fails_total_unknown(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 'unknown',
'reserved_percentage': 5,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_fails_total_zero(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 0,
'reserved_percentage': 5,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_thin_true_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 200,
'provisioned_capacity_gb': 500,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_thin_true_passes2(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 3000,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 200,
'provisioned_capacity_gb': 7000,
'max_over_subscription_ratio': 20,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_thin_false_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> False',
'capabilities:thick_provisioning_support':
'<is> True'}
service = {'disabled': False}
# If "thin_provisioning_support" is False,
# "max_over_subscription_ratio" will be ignored.
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 200,
'provisioned_capacity_gb': 300,
'max_over_subscription_ratio': 1.0,
'reserved_percentage': 5,
'thin_provisioning_support': False,
'thick_provisioning_support': True,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_over_subscription_less_than_1(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 200,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 100,
'provisioned_capacity_gb': 400,
'max_over_subscription_ratio': 0.8,
'reserved_percentage': 0,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_over_subscription_equal_to_1(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 150,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 200,
'provisioned_capacity_gb': 400,
'max_over_subscription_ratio': 1.0,
'reserved_percentage': 0,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_over_subscription_fails(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 200,
'provisioned_capacity_gb': 700,
'max_over_subscription_ratio': 1.5,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_over_subscription_fails2(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 2000,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 30,
'provisioned_capacity_gb': 9000,
'max_over_subscription_ratio': 20,
'reserved_percentage': 0,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_true_fails(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 100,
'provisioned_capacity_gb': 1000,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_false_fails(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> False',
'capabilities:thick_provisioning_support':
'<is> True'}
service = {'disabled': False}
# If "thin_provisioning_support" is False,
# "max_over_subscription_ratio" will be ignored.
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 100,
'provisioned_capacity_gb': 400,
'max_over_subscription_ratio': 1.0,
'reserved_percentage': 5,
'thin_provisioning_support': False,
'thick_provisioning_support': True,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_thick_true_fails(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> True'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 0,
'provisioned_capacity_gb': 800,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': True,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_thick_true_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> True'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 125,
'provisioned_capacity_gb': 400,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': True,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_true_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> False'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 80,
'provisioned_capacity_gb': 600,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': False,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_thick_true_fails2(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> True'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 99,
'provisioned_capacity_gb': 1000,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 5,
'thin_provisioning_support': True,
'thick_provisioning_support': True,
'updated_at': None,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_filter_reserved_thin_thick_true_passes2(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['CapacityFilter']()
filter_properties = {'size': 100,
'capabilities:thin_provisioning_support':
'<is> True',
'capabilities:thick_provisioning_support':
'<is> True'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'total_capacity_gb': 500,
'free_capacity_gb': 100,
'provisioned_capacity_gb': 400,
'max_over_subscription_ratio': 2.0,
'reserved_percentage': 0,
'thin_provisioning_support': True,
'thick_provisioning_support': True,
'updated_at': None,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
class AffinityFilterTestCase(HostFiltersTestCase):
@mock.patch('cinder.utils.service_is_up')
def test_different_filter_passes(self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['DifferentBackendFilter']()
service = {'disabled': False}
host = fakes.FakeHostState('host1:pool0',
{'free_capacity_gb': '1000',
'updated_at': None,
'service': service})
volume = utils.create_volume(self.context, host='host1:pool1')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': [vol_id], }}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('cinder.utils.service_is_up')
def test_different_filter_legacy_volume_hint_passes(
self, _mock_serv_is_up):
_mock_serv_is_up.return_value = True
filt_cls = self.class_map['DifferentBackendFilter']()
service = {'disabled': False}
host = fakes.FakeHostState('host1:pool0',
{'free_capacity_gb': '1000',
'updated_at': None,
'service': service})
volume = utils.create_volume(self.context, host='host1')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': [vol_id], }}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_different_filter_non_list_fails(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host2', {})
volume = utils.create_volume(self.context, host='host2')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': vol_id}}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_different_filter_fails(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host1', {})
volume = utils.create_volume(self.context, host='host1')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': [vol_id], }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_different_filter_handles_none(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': None}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_different_filter_handles_deleted_instance(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host1', {})
volume = utils.create_volume(self.context, host='host1')
vol_id = volume.id
db.volume_destroy(utils.get_test_admin_context(), vol_id)
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': [vol_id], }}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_different_filter_fail_nonuuid_hint(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': "NOT-a-valid-UUID", }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_different_filter_handles_multiple_uuids(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host1#pool0', {})
volume1 = utils.create_volume(self.context, host='host1:pool1')
vol_id1 = volume1.id
volume2 = utils.create_volume(self.context, host='host1:pool3')
vol_id2 = volume2.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': [vol_id1, vol_id2], }}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_different_filter_handles_invalid_uuids(self):
filt_cls = self.class_map['DifferentBackendFilter']()
host = fakes.FakeHostState('host1', {})
volume = utils.create_volume(self.context, host='host2')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'different_host': [vol_id, "NOT-a-valid-UUID"], }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_same_filter_no_list_passes(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1', {})
volume = utils.create_volume(self.context, host='host1')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': vol_id}}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_same_filter_passes(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1#pool0', {})
volume = utils.create_volume(self.context, host='host1#pool0')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': [vol_id], }}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_same_filter_legacy_vol_fails(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1#pool0', {})
volume = utils.create_volume(self.context, host='host1')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': [vol_id], }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_same_filter_fails(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1#pool0', {})
volume = utils.create_volume(self.context, host='host1#pool1')
vol_id = volume.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': [vol_id], }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_same_filter_vol_list_pass(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1', {})
volume1 = utils.create_volume(self.context, host='host1')
vol_id1 = volume1.id
volume2 = utils.create_volume(self.context, host='host2')
vol_id2 = volume2.id
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': [vol_id1, vol_id2], }}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_same_filter_handles_none(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': None}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_same_filter_handles_deleted_instance(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1', {})
volume = utils.create_volume(self.context, host='host2')
vol_id = volume.id
db.volume_destroy(utils.get_test_admin_context(), vol_id)
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': [vol_id], }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_same_filter_fail_nonuuid_hint(self):
filt_cls = self.class_map['SameBackendFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context.elevated(),
'scheduler_hints': {
'same_host': "NOT-a-valid-UUID", }}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
class DriverFilterTestCase(HostFiltersTestCase):
def test_passing_function(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': '1 == 1',
}
})
filter_properties = {'volume_type': {}}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_failing_function(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': '1 == 2',
}
})
filter_properties = {'volume_type': {}}
self.assertFalse(filt_cls.host_passes(host1, filter_properties))
def test_no_filter_function(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': None,
}
})
filter_properties = {'volume_type': {}}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_not_implemented(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {}
})
filter_properties = {'volume_type': {}}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_no_volume_extra_specs(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': '1 == 1',
}
})
filter_properties = {'volume_type': {}}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_function_extra_spec_replacement(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': 'extra.var == 1',
}
})
filter_properties = {
'volume_type': {
'extra_specs': {
'var': 1,
}
}
}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_function_stats_replacement(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'total_capacity_gb': 100,
'capabilities': {
'filter_function': 'stats.total_capacity_gb < 200',
}
})
filter_properties = {'volume_type': {}}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_function_volume_replacement(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': 'volume.size < 5',
}
})
filter_properties = {
'request_spec': {
'volume_properties': {
'size': 1
}
}
}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_function_qos_spec_replacement(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': 'qos.var == 1',
}
})
filter_properties = {
'qos_specs': {
'var': 1
}
}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_function_exception_caught(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': '1 / 0 == 0',
}
})
filter_properties = {}
self.assertFalse(filt_cls.host_passes(host1, filter_properties))
def test_function_empty_qos(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'filter_function': 'qos.maxiops == 1',
}
})
filter_properties = {
'qos_specs': None
}
self.assertFalse(filt_cls.host_passes(host1, filter_properties))
def test_capabilities(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'foo': 10,
'filter_function': 'capabilities.foo == 10',
},
})
filter_properties = {}
self.assertTrue(filt_cls.host_passes(host1, filter_properties))
def test_wrong_capabilities(self):
filt_cls = self.class_map['DriverFilter']()
host1 = fakes.FakeHostState(
'host1', {
'capabilities': {
'bar': 10,
'filter_function': 'capabilities.foo == 10',
},
})
filter_properties = {}
self.assertFalse(filt_cls.host_passes(host1, filter_properties))
class InstanceLocalityFilterTestCase(HostFiltersTestCase):
def setUp(self):
super(InstanceLocalityFilterTestCase, self).setUp()
self.override_config('nova_endpoint_template',
'http://novahost:8774/v2/%(project_id)s')
self.context.service_catalog = \
[{'type': 'compute', 'name': 'nova', 'endpoints':
[{'publicURL': 'http://novahost:8774/v2/e3f0833dc08b4cea'}]},
{'type': 'identity', 'name': 'keystone', 'endpoints':
[{'publicURL': 'http://keystonehost:5000/v2.0'}]}]
@mock.patch('novaclient.client.discover_extensions')
@mock.patch('cinder.compute.nova.novaclient')
def test_same_host(self, _mock_novaclient, fake_extensions):
_mock_novaclient.return_value = fakes.FakeNovaClient()
fake_extensions.return_value = (
fakes.FakeNovaClient().list_extensions.show_all())
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
uuid = nova.novaclient().servers.create('host1')
filter_properties = {'context': self.context,
'scheduler_hints': {'local_to_instance': uuid}}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('novaclient.client.discover_extensions')
@mock.patch('cinder.compute.nova.novaclient')
def test_different_host(self, _mock_novaclient, fake_extensions):
_mock_novaclient.return_value = fakes.FakeNovaClient()
fake_extensions.return_value = (
fakes.FakeNovaClient().list_extensions.show_all())
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
uuid = nova.novaclient().servers.create('host2')
filter_properties = {'context': self.context,
'scheduler_hints': {'local_to_instance': uuid}}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_handles_none(self):
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context,
'scheduler_hints': None}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_invalid_uuid(self):
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context,
'scheduler_hints':
{'local_to_instance': 'e29b11d4-not-valid-a716'}}
self.assertRaises(exception.InvalidUUID,
filt_cls.host_passes, host, filter_properties)
@mock.patch('cinder.compute.nova.novaclient')
def test_nova_no_extended_server_attributes(self, _mock_novaclient):
_mock_novaclient.return_value = fakes.FakeNovaClient(
ext_srv_attr=False)
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
uuid = nova.novaclient().servers.create('host1')
filter_properties = {'context': self.context,
'scheduler_hints': {'local_to_instance': uuid}}
self.assertRaises(exception.CinderException,
filt_cls.host_passes, host, filter_properties)
@mock.patch('cinder.compute.nova.novaclient')
def test_nova_down_does_not_alter_other_filters(self, _mock_novaclient):
# Simulate Nova API is not available
_mock_novaclient.side_effect = Exception
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {'context': self.context, 'size': 100}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@mock.patch('novaclient.client.discover_extensions')
@mock.patch('requests.request')
def test_nova_timeout(self, _mock_request, fake_extensions):
# Simulate a HTTP timeout
_mock_request.side_effect = request_exceptions.Timeout
fake_extensions.return_value = (
fakes.FakeNovaClient().list_extensions.show_all())
filt_cls = self.class_map['InstanceLocalityFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = \
{'context': self.context, 'scheduler_hints':
{'local_to_instance': 'e29b11d4-15ef-34a9-a716-598a6f0b5467'}}
self.assertRaises(exception.APITimeout,
filt_cls.host_passes, host, filter_properties)
class TestFilter(filters.BaseHostFilter):
pass
class TestBogusFilter(object):
"""Class that doesn't inherit from BaseHostFilter."""
pass
class ExtraSpecsOpsTestCase(test.TestCase):
def _do_extra_specs_ops_test(self, value, req, matches):
assertion = self.assertTrue if matches else self.assertFalse
assertion(extra_specs_ops.match(value, req))
def test_extra_specs_matches_simple(self):
self._do_extra_specs_ops_test(
value='1',
req='1',
matches=True)
def test_extra_specs_fails_simple(self):
self._do_extra_specs_ops_test(
value='',
req='1',
matches=False)
def test_extra_specs_fails_simple2(self):
self._do_extra_specs_ops_test(
value='3',
req='1',
matches=False)
def test_extra_specs_fails_simple3(self):
self._do_extra_specs_ops_test(
value='222',
req='2',
matches=False)
def test_extra_specs_fails_with_bogus_ops(self):
self._do_extra_specs_ops_test(
value='4',
req='> 2',
matches=False)
def test_extra_specs_matches_with_op_eq(self):
self._do_extra_specs_ops_test(
value='123',
req='= 123',
matches=True)
def test_extra_specs_matches_with_op_eq2(self):
self._do_extra_specs_ops_test(
value='124',
req='= 123',
matches=True)
def test_extra_specs_fails_with_op_eq(self):
self._do_extra_specs_ops_test(
value='34',
req='= 234',
matches=False)
def test_extra_specs_fails_with_op_eq3(self):
self._do_extra_specs_ops_test(
value='34',
req='=',
matches=False)
def test_extra_specs_matches_with_op_seq(self):
self._do_extra_specs_ops_test(
value='123',
req='s== 123',
matches=True)
def test_extra_specs_fails_with_op_seq(self):
self._do_extra_specs_ops_test(
value='1234',
req='s== 123',
matches=False)
def test_extra_specs_matches_with_op_sneq(self):
self._do_extra_specs_ops_test(
value='1234',
req='s!= 123',
matches=True)
def test_extra_specs_fails_with_op_sneq(self):
self._do_extra_specs_ops_test(
value='123',
req='s!= 123',
matches=False)
def test_extra_specs_fails_with_op_sge(self):
self._do_extra_specs_ops_test(
value='1000',
req='s>= 234',
matches=False)
def test_extra_specs_fails_with_op_sle(self):
self._do_extra_specs_ops_test(
value='1234',
req='s<= 1000',
matches=False)
def test_extra_specs_fails_with_op_sl(self):
self._do_extra_specs_ops_test(
value='2',
req='s< 12',
matches=False)
def test_extra_specs_fails_with_op_sg(self):
self._do_extra_specs_ops_test(
value='12',
req='s> 2',
matches=False)
def test_extra_specs_matches_with_op_in(self):
self._do_extra_specs_ops_test(
value='12311321',
req='<in> 11',
matches=True)
def test_extra_specs_matches_with_op_in2(self):
self._do_extra_specs_ops_test(
value='12311321',
req='<in> 12311321',
matches=True)
def test_extra_specs_matches_with_op_in3(self):
self._do_extra_specs_ops_test(
value='12311321',
req='<in> 12311321 <in>',
matches=True)
def test_extra_specs_fails_with_op_in(self):
self._do_extra_specs_ops_test(
value='12310321',
req='<in> 11',
matches=False)
def test_extra_specs_fails_with_op_in2(self):
self._do_extra_specs_ops_test(
value='12310321',
req='<in> 11 <in>',
matches=False)
def test_extra_specs_matches_with_op_is(self):
self._do_extra_specs_ops_test(
value=True,
req='<is> True',
matches=True)
def test_extra_specs_matches_with_op_is2(self):
self._do_extra_specs_ops_test(
value=False,
req='<is> False',
matches=True)
def test_extra_specs_matches_with_op_is3(self):
self._do_extra_specs_ops_test(
value=False,
req='<is> Nonsense',
matches=True)
def test_extra_specs_fails_with_op_is(self):
self._do_extra_specs_ops_test(
value=True,
req='<is> False',
matches=False)
def test_extra_specs_fails_with_op_is2(self):
self._do_extra_specs_ops_test(
value=False,
req='<is> True',
matches=False)
def test_extra_specs_matches_with_op_or(self):
self._do_extra_specs_ops_test(
value='12',
req='<or> 11 <or> 12',
matches=True)
def test_extra_specs_matches_with_op_or2(self):
self._do_extra_specs_ops_test(
value='12',
req='<or> 11 <or> 12 <or>',
matches=True)
def test_extra_specs_fails_with_op_or(self):
self._do_extra_specs_ops_test(
value='13',
req='<or> 11 <or> 12',
matches=False)
def test_extra_specs_fails_with_op_or2(self):
self._do_extra_specs_ops_test(
value='13',
req='<or> 11 <or> 12 <or>',
matches=False)
def test_extra_specs_matches_with_op_le(self):
self._do_extra_specs_ops_test(
value='2',
req='<= 10',
matches=True)
def test_extra_specs_fails_with_op_le(self):
self._do_extra_specs_ops_test(
value='3',
req='<= 2',
matches=False)
def test_extra_specs_matches_with_op_ge(self):
self._do_extra_specs_ops_test(
value='3',
req='>= 1',
matches=True)
def test_extra_specs_fails_with_op_ge(self):
self._do_extra_specs_ops_test(
value='2',
req='>= 3',
matches=False)
class BasicFiltersTestCase(HostFiltersTestCase):
"""Test case for host filters."""
def setUp(self):
super(BasicFiltersTestCase, self).setUp()
self.json_query = jsonutils.dumps(
['and', ['>=', '$free_ram_mb', 1024],
['>=', '$free_disk_mb', 200 * 1024]])
def test_all_filters(self):
# Double check at least a couple of known filters exist
self.assertTrue('JsonFilter' in self.class_map)
self.assertTrue('CapabilitiesFilter' in self.class_map)
self.assertTrue('AvailabilityZoneFilter' in self.class_map)
self.assertTrue('IgnoreAttemptedHostsFilter' in self.class_map)
def _do_test_type_filter_extra_specs(self, ecaps, especs, passes):
filt_cls = self.class_map['CapabilitiesFilter']()
capabilities = {'enabled': True}
capabilities.update(ecaps)
service = {'disabled': False}
filter_properties = {'resource_type': {'name': 'fake_type',
'extra_specs': especs}}
host = fakes.FakeHostState('host1',
{'free_capacity_gb': 1024,
'capabilities': capabilities,
'service': service})
assertion = self.assertTrue if passes else self.assertFalse
assertion(filt_cls.host_passes(host, filter_properties))
def test_capability_filter_passes_extra_specs_simple(self):
self._do_test_type_filter_extra_specs(
ecaps={'opt1': '1', 'opt2': '2'},
especs={'opt1': '1', 'opt2': '2'},
passes=True)
def test_capability_filter_fails_extra_specs_simple(self):
self._do_test_type_filter_extra_specs(
ecaps={'opt1': '1', 'opt2': '2'},
especs={'opt1': '1', 'opt2': '222'},
passes=False)
def test_capability_filter_passes_extra_specs_complex(self):
self._do_test_type_filter_extra_specs(
ecaps={'opt1': 10, 'opt2': 5},
especs={'opt1': '>= 2', 'opt2': '<= 8'},
passes=True)
def test_capability_filter_fails_extra_specs_complex(self):
self._do_test_type_filter_extra_specs(
ecaps={'opt1': 10, 'opt2': 5},
especs={'opt1': '>= 2', 'opt2': '>= 8'},
passes=False)
def test_capability_filter_passes_scope_extra_specs(self):
self._do_test_type_filter_extra_specs(
ecaps={'scope_lv1': {'opt1': 10}},
especs={'capabilities:scope_lv1:opt1': '>= 2'},
passes=True)
def test_capability_filter_passes_fakescope_extra_specs(self):
self._do_test_type_filter_extra_specs(
ecaps={'scope_lv1': {'opt1': 10}, 'opt2': 5},
especs={'scope_lv1:opt1': '= 2', 'opt2': '>= 3'},
passes=True)
def test_capability_filter_fails_scope_extra_specs(self):
self._do_test_type_filter_extra_specs(
ecaps={'scope_lv1': {'opt1': 10}},
especs={'capabilities:scope_lv1:opt1': '<= 2'},
passes=False)
def test_capability_filter_passes_multi_level_scope_extra_specs(self):
self._do_test_type_filter_extra_specs(
ecaps={'scope_lv0': {'scope_lv1':
{'scope_lv2': {'opt1': 10}}}},
especs={'capabilities:scope_lv0:scope_lv1:scope_lv2:opt1': '>= 2'},
passes=True)
def test_capability_filter_fails_wrong_scope_extra_specs(self):
self._do_test_type_filter_extra_specs(
ecaps={'scope_lv0': {'opt1': 10}},
especs={'capabilities:scope_lv1:opt1': '>= 2'},
passes=False)
def test_json_filter_passes(self):
filt_cls = self.class_map['JsonFilter']()
filter_properties = {'resource_type': {'memory_mb': 1024,
'root_gb': 200,
'ephemeral_gb': 0},
'scheduler_hints': {'query': self.json_query}}
capabilities = {'enabled': True}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 1024,
'free_disk_mb': 200 * 1024,
'capabilities': capabilities})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_json_filter_passes_with_no_query(self):
filt_cls = self.class_map['JsonFilter']()
filter_properties = {'resource_type': {'memory_mb': 1024,
'root_gb': 200,
'ephemeral_gb': 0}}
capabilities = {'enabled': True}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 0,
'free_disk_mb': 0,
'capabilities': capabilities})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_json_filter_fails_on_memory(self):
filt_cls = self.class_map['JsonFilter']()
filter_properties = {'resource_type': {'memory_mb': 1024,
'root_gb': 200,
'ephemeral_gb': 0},
'scheduler_hints': {'query': self.json_query}}
capabilities = {'enabled': True}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 1023,
'free_disk_mb': 200 * 1024,
'capabilities': capabilities})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_fails_on_disk(self):
filt_cls = self.class_map['JsonFilter']()
filter_properties = {'resource_type': {'memory_mb': 1024,
'root_gb': 200,
'ephemeral_gb': 0},
'scheduler_hints': {'query': self.json_query}}
capabilities = {'enabled': True}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 1024,
'free_disk_mb': (200 * 1024) - 1,
'capabilities': capabilities})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_fails_on_caps_disabled(self):
filt_cls = self.class_map['JsonFilter']()
json_query = jsonutils.dumps(
['and', ['>=', '$free_ram_mb', 1024],
['>=', '$free_disk_mb', 200 * 1024],
'$capabilities.enabled'])
filter_properties = {'resource_type': {'memory_mb': 1024,
'root_gb': 200,
'ephemeral_gb': 0},
'scheduler_hints': {'query': json_query}}
capabilities = {'enabled': False}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 1024,
'free_disk_mb': 200 * 1024,
'capabilities': capabilities})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_fails_on_service_disabled(self):
filt_cls = self.class_map['JsonFilter']()
json_query = jsonutils.dumps(
['and', ['>=', '$free_ram_mb', 1024],
['>=', '$free_disk_mb', 200 * 1024],
['not', '$service.disabled']])
filter_properties = {'resource_type': {'memory_mb': 1024,
'local_gb': 200},
'scheduler_hints': {'query': json_query}}
capabilities = {'enabled': True}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 1024,
'free_disk_mb': 200 * 1024,
'capabilities': capabilities})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_happy_day(self):
"""Test json filter more thoroughly."""
filt_cls = self.class_map['JsonFilter']()
raw = ['and',
'$capabilities.enabled',
['=', '$capabilities.opt1', 'match'],
['or',
['and',
['<', '$free_ram_mb', 30],
['<', '$free_disk_mb', 300]],
['and',
['>', '$free_ram_mb', 30],
['>', '$free_disk_mb', 300]]]]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
# Passes
capabilities = {'enabled': True, 'opt1': 'match'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 10,
'free_disk_mb': 200,
'capabilities': capabilities,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
# Passes
capabilities = {'enabled': True, 'opt1': 'match'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 40,
'free_disk_mb': 400,
'capabilities': capabilities,
'service': service})
self.assertTrue(filt_cls.host_passes(host, filter_properties))
# Fails due to capabilities being disabled
capabilities = {'enabled': False, 'opt1': 'match'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 40,
'free_disk_mb': 400,
'capabilities': capabilities,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
# Fails due to being exact memory/disk we don't want
capabilities = {'enabled': True, 'opt1': 'match'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 30,
'free_disk_mb': 300,
'capabilities': capabilities,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
# Fails due to memory lower but disk higher
capabilities = {'enabled': True, 'opt1': 'match'}
service = {'disabled': False}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 20,
'free_disk_mb': 400,
'capabilities': capabilities,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
# Fails due to capabilities 'opt1' not equal
capabilities = {'enabled': True, 'opt1': 'no-match'}
service = {'enabled': True}
host = fakes.FakeHostState('host1',
{'free_ram_mb': 20,
'free_disk_mb': 400,
'capabilities': capabilities,
'service': service})
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_basic_operators(self):
filt_cls = self.class_map['JsonFilter']()
host = fakes.FakeHostState('host1',
{'capabilities': {'enabled': True}})
# (operator, arguments, expected_result)
ops_to_test = [
['=', [1, 1], True],
['=', [1, 2], False],
['<', [1, 2], True],
['<', [1, 1], False],
['<', [2, 1], False],
['>', [2, 1], True],
['>', [2, 2], False],
['>', [2, 3], False],
['<=', [1, 2], True],
['<=', [1, 1], True],
['<=', [2, 1], False],
['>=', [2, 1], True],
['>=', [2, 2], True],
['>=', [2, 3], False],
['in', [1, 1], True],
['in', [1, 1, 2, 3], True],
['in', [4, 1, 2, 3], False],
['not', [True], False],
['not', [False], True],
['or', [True, False], True],
['or', [False, False], False],
['and', [True, True], True],
['and', [False, False], False],
['and', [True, False], False],
# Nested ((True or False) and (2 > 1)) == Passes
['and', [['or', True, False], ['>', 2, 1]], True]]
for (op, args, expected) in ops_to_test:
raw = [op] + args
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertEqual(expected,
filt_cls.host_passes(host, filter_properties))
# This results in [False, True, False, True] and if any are True
# then it passes...
raw = ['not', True, False, True, False]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
# This results in [False, False, False] and if any are True
# then it passes...which this doesn't
raw = ['not', True, True, True]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_unknown_operator_raises(self):
filt_cls = self.class_map['JsonFilter']()
raw = ['!=', 1, 2]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
host = fakes.FakeHostState('host1',
{'capabilities': {'enabled': True}})
self.assertRaises(KeyError,
filt_cls.host_passes, host, filter_properties)
def test_json_filter_empty_filters_pass(self):
filt_cls = self.class_map['JsonFilter']()
host = fakes.FakeHostState('host1',
{'capabilities': {'enabled': True}})
raw = []
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
raw = {}
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_json_filter_invalid_num_arguments_fails(self):
filt_cls = self.class_map['JsonFilter']()
host = fakes.FakeHostState('host1',
{'capabilities': {'enabled': True}})
raw = ['>', ['and', ['or', ['not', ['<', ['>=', ['<=', ['in', ]]]]]]]]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
raw = ['>', 1]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertFalse(filt_cls.host_passes(host, filter_properties))
def test_json_filter_unknown_variable_ignored(self):
filt_cls = self.class_map['JsonFilter']()
host = fakes.FakeHostState('host1',
{'capabilities': {'enabled': True}})
raw = ['=', '$........', 1, 1]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
raw = ['=', '$foo', 2, 2]
filter_properties = {
'scheduler_hints': {
'query': jsonutils.dumps(raw),
},
}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
@staticmethod
def _make_zone_request(zone, is_admin=False):
ctxt = context.RequestContext('fake', 'fake', is_admin=is_admin)
return {
'context': ctxt,
'request_spec': {
'resource_properties': {
'availability_zone': zone
}
}
}
def test_availability_zone_filter_same(self):
filt_cls = self.class_map['AvailabilityZoneFilter']()
service = {'availability_zone': 'nova'}
request = self._make_zone_request('nova')
host = fakes.FakeHostState('host1',
{'service': service})
self.assertTrue(filt_cls.host_passes(host, request))
def test_availability_zone_filter_different(self):
filt_cls = self.class_map['AvailabilityZoneFilter']()
service = {'availability_zone': 'nova'}
request = self._make_zone_request('bad')
host = fakes.FakeHostState('host1',
{'service': service})
self.assertFalse(filt_cls.host_passes(host, request))
def test_availability_zone_filter_empty(self):
filt_cls = self.class_map['AvailabilityZoneFilter']()
service = {'availability_zone': 'nova'}
request = {}
host = fakes.FakeHostState('host1',
{'service': service})
self.assertTrue(filt_cls.host_passes(host, request))
def test_ignore_attempted_hosts_filter_disabled(self):
# Test case where re-scheduling is disabled.
filt_cls = self.class_map['IgnoreAttemptedHostsFilter']()
host = fakes.FakeHostState('host1', {})
filter_properties = {}
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_ignore_attempted_hosts_filter_pass(self):
# Node not previously tried.
filt_cls = self.class_map['IgnoreAttemptedHostsFilter']()
host = fakes.FakeHostState('host1', {})
attempted = dict(num_attempts=2, hosts=['host2'])
filter_properties = dict(retry=attempted)
self.assertTrue(filt_cls.host_passes(host, filter_properties))
def test_ignore_attempted_hosts_filter_fail(self):
# Node was already tried.
filt_cls = self.class_map['IgnoreAttemptedHostsFilter']()
host = fakes.FakeHostState('host1', {})
attempted = dict(num_attempts=2, hosts=['host1'])
filter_properties = dict(retry=attempted)
self.assertFalse(filt_cls.host_passes(host, filter_properties))