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#
# 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.
from oslo_utils import uuidutils
from nova.tests.fixtures import libvirt as fakelibvirt
from nova.tests.functional.libvirt import test_vgpu
from nova.virt.libvirt import utils as libvirt_utils
class VGPUTestsLibvirt7_7(test_vgpu.VGPUTestBase):
def _create_mdev(self, physical_device, mdev_type, uuid=None):
# We need to fake the newly created sysfs object by adding a new
# FakeMdevDevice in the existing persisted Connection object so
# when asking to get the existing mdevs, we would see it.
if not uuid:
uuid = uuidutils.generate_uuid()
mdev_name = libvirt_utils.mdev_uuid2name(uuid)
libvirt_parent = self.pci2libvirt_address(physical_device)
# Libvirt 7.7 now creates mdevs with a parent_addr suffix.
new_mdev_name = '_'.join([mdev_name, libvirt_parent])
# Here, we get the right compute thanks by the self.current_host that
# was modified just before
connection = self.computes[
self._current_host].driver._host.get_connection()
connection.mdev_info.devices.update(
{mdev_name: fakelibvirt.FakeMdevDevice(dev_name=new_mdev_name,
type_id=mdev_type,
parent=libvirt_parent)})
return uuid
def setUp(self):
super(VGPUTestsLibvirt7_7, self).setUp()
extra_spec = {"resources:VGPU": "1"}
self.flavor = self._create_flavor(extra_spec=extra_spec)
# Start compute1 supporting only nvidia-11
self.flags(
enabled_mdev_types=fakelibvirt.NVIDIA_11_VGPU_TYPE,
group='devices')
self.compute1 = self.start_compute_with_vgpu('host1')
def test_create_servers_with_vgpu(self):
# Create a single instance against a specific compute node.
self._create_server(
image_uuid='155d900f-4e14-4e4c-a73d-069cbf4541e6',
flavor_id=self.flavor, host=self.compute1.host,
networks='auto', expected_state='ACTIVE')
self.assert_mdev_usage(self.compute1, expected_amount=1)
self._create_server(
image_uuid='155d900f-4e14-4e4c-a73d-069cbf4541e6',
flavor_id=self.flavor, host=self.compute1.host,
networks='auto', expected_state='ACTIVE')
self.assert_mdev_usage(self.compute1, expected_amount=2)
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