nova/nova/tests/unit/objects/test_instance_pci_requests.py

197 lines
8.5 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.
import mock
from oslo_serialization import jsonutils
from oslo_utils.fixture import uuidsentinel as uuids
from oslo_versionedobjects import base as ovo_base
from nova import objects
from nova.objects import fields
from nova.tests.unit.objects import test_objects
FAKE_UUID = '79a53d6b-0893-4838-a971-15f4f382e7c2'
FAKE_REQUEST_UUID = '69b53d6b-0793-4839-c981-f5c4f382e7d2'
# NOTE(danms): Yes, these are the same right now, but going forward,
# we have changes to make which will be reflected in the format
# in instance_extra, but not in system_metadata.
fake_pci_requests = [
{'count': 2,
'spec': [{'vendor_id': '8086',
'device_id': '1502'}],
'alias_name': 'alias_1',
'is_new': False,
'numa_policy': 'preferred',
'request_id': FAKE_REQUEST_UUID},
{'count': 2,
'spec': [{'vendor_id': '6502',
'device_id': '07B5'}],
'alias_name': 'alias_2',
'is_new': True,
'numa_policy': 'preferred',
'request_id': FAKE_REQUEST_UUID,
'requester_id': uuids.requester_id},
]
fake_legacy_pci_requests = [
{'count': 2,
'spec': [{'vendor_id': '8086',
'device_id': '1502'}],
'alias_name': 'alias_1'},
{'count': 1,
'spec': [{'vendor_id': '6502',
'device_id': '07B5'}],
'alias_name': 'alias_2'},
]
class _TestInstancePCIRequests(object):
@mock.patch('nova.db.api.instance_extra_get_by_instance_uuid')
def test_get_by_instance_uuid(self, mock_get):
mock_get.return_value = {
'instance_uuid': FAKE_UUID,
'pci_requests': jsonutils.dumps(fake_pci_requests),
}
requests = objects.InstancePCIRequests.get_by_instance_uuid(
self.context, FAKE_UUID)
self.assertEqual(2, len(requests.requests))
for index, request in enumerate(requests.requests):
self.assertEqual(fake_pci_requests[index]['alias_name'],
request.alias_name)
self.assertEqual(fake_pci_requests[index]['count'],
request.count)
self.assertEqual(fake_pci_requests[index]['spec'],
[dict(x.items()) for x in request.spec])
self.assertEqual(fake_pci_requests[index]['numa_policy'],
request.numa_policy)
@mock.patch('nova.objects.InstancePCIRequests.get_by_instance_uuid')
def test_get_by_instance_current(self, mock_get):
instance = objects.Instance(uuid=uuids.instance,
system_metadata={})
objects.InstancePCIRequests.get_by_instance(self.context,
instance)
mock_get.assert_called_once_with(self.context, uuids.instance)
def test_get_by_instance_legacy(self):
fakesysmeta = {
'pci_requests': jsonutils.dumps([fake_legacy_pci_requests[0]]),
'new_pci_requests': jsonutils.dumps([fake_legacy_pci_requests[1]]),
}
instance = objects.Instance(uuid=uuids.instance,
system_metadata=fakesysmeta)
requests = objects.InstancePCIRequests.get_by_instance(self.context,
instance)
self.assertEqual(2, len(requests.requests))
self.assertEqual('alias_1', requests.requests[0].alias_name)
self.assertFalse(requests.requests[0].is_new)
self.assertEqual('alias_2', requests.requests[1].alias_name)
self.assertTrue(requests.requests[1].is_new)
def test_obj_from_db(self):
req = objects.InstancePCIRequests.obj_from_db(None, FAKE_UUID, None)
self.assertEqual(FAKE_UUID, req.instance_uuid)
self.assertEqual(0, len(req.requests))
db_req = jsonutils.dumps(fake_pci_requests)
req = objects.InstancePCIRequests.obj_from_db(None, FAKE_UUID, db_req)
self.assertEqual(FAKE_UUID, req.instance_uuid)
self.assertEqual(2, len(req.requests))
self.assertEqual('alias_1', req.requests[0].alias_name)
self.assertEqual('preferred', req.requests[0].numa_policy)
self.assertIsNone(req.requests[0].requester_id)
self.assertEqual(uuids.requester_id, req.requests[1].requester_id)
def test_from_request_spec_instance_props(self):
requests = objects.InstancePCIRequests(
requests=[objects.InstancePCIRequest(count=1,
request_id=FAKE_UUID,
spec=[{'vendor_id': '8086',
'device_id': '1502'}])
],
instance_uuid=FAKE_UUID)
result = jsonutils.to_primitive(requests)
result = objects.InstancePCIRequests.from_request_spec_instance_props(
result)
self.assertEqual(1, len(result.requests))
self.assertEqual(1, result.requests[0].count)
self.assertEqual(FAKE_UUID, result.requests[0].request_id)
self.assertEqual([{'vendor_id': '8086', 'device_id': '1502'}],
result.requests[0].spec)
def test_obj_make_compatible_pre_1_2(self):
topo_obj = objects.InstancePCIRequest(
count=1,
spec=[{'vendor_id': '8086', 'device_id': '1502'}],
request_id=uuids.pci_request_id,
numa_policy=fields.PCINUMAAffinityPolicy.PREFERRED)
versions = ovo_base.obj_tree_get_versions('InstancePCIRequest')
primitive = topo_obj.obj_to_primitive(target_version='1.1',
version_manifest=versions)
self.assertNotIn('numa_policy', primitive['nova_object.data'])
self.assertIn('request_id', primitive['nova_object.data'])
def test_obj_make_compatible_pre_1_1(self):
topo_obj = objects.InstancePCIRequest(
count=1,
spec=[{'vendor_id': '8086', 'device_id': '1502'}],
request_id=uuids.pci_request_id)
versions = ovo_base.obj_tree_get_versions('InstancePCIRequest')
primitive = topo_obj.obj_to_primitive(target_version='1.0',
version_manifest=versions)
self.assertNotIn('request_id', primitive['nova_object.data'])
def test_obj_make_compatible_pre_1_3(self):
topo_obj = objects.InstancePCIRequest(
count=1,
spec=[{'vendor_id': '8086', 'device_id': '1502'}],
request_id=uuids.pci_request_id,
requester_id=uuids.requester_id,
numa_policy=fields.PCINUMAAffinityPolicy.PREFERRED)
versions = ovo_base.obj_tree_get_versions('InstancePCIRequest')
primitive = topo_obj.obj_to_primitive(target_version='1.2',
version_manifest=versions)
self.assertNotIn('requester_id', primitive['nova_object.data'])
self.assertIn('numa_policy', primitive['nova_object.data'])
def test_source_property(self):
neutron_port_pci_req = objects.InstancePCIRequest(
count=1,
spec=[{'vendor_id': '15b3', 'device_id': '1018'}],
request_id=uuids.pci_request_id1,
requester_id=uuids.requester_id1,
alias_name = None)
flavor_alias_pci_req = objects.InstancePCIRequest(
count=1,
spec=[{'vendor_id': '15b3', 'device_id': '1810'}],
request_id=uuids.pci_request_id2,
requester_id=uuids.requester_id2,
alias_name = 'alias_1')
self.assertEqual(neutron_port_pci_req.source,
objects.InstancePCIRequest.NEUTRON_PORT)
self.assertEqual(flavor_alias_pci_req.source,
objects.InstancePCIRequest.FLAVOR_ALIAS)
class TestInstancePCIRequests(test_objects._LocalTest,
_TestInstancePCIRequests):
pass
class TestRemoteInstancePCIRequests(test_objects._RemoteTest,
_TestInstancePCIRequests):
pass