nova/nova/tests/functional/libvirt/test_rt_servers.py

79 lines
3.1 KiB
Python

# Copyright (C) 2015 Red Hat, 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 io
import mock
from nova.tests.functional.api import client
from nova.tests.functional.libvirt import base
from nova.tests.unit.virt.libvirt import fakelibvirt
class RealTimeServersTest(base.ServersTestBase):
def setUp(self):
super(RealTimeServersTest, self).setUp()
self.flags(sysinfo_serial='none', group='libvirt')
def test_no_dedicated_cpu(self):
flavor = self._create_flavor(extra_spec={'hw:cpu_realtime': 'yes'})
server = self._build_server(flavor)
# Cannot set realtime policy in a non dedicated cpu pinning policy
self.assertRaises(
client.OpenStackApiException,
self.api.post_server, {'server': server})
def test_no_realtime_mask(self):
flavor = self._create_flavor(extra_spec={
'hw:cpu_realtime': 'yes', 'hw:cpu_policy': 'dedicated'})
server = self._build_server(flavor)
# Cannot set realtime policy if not vcpus mask defined
self.assertRaises(
client.OpenStackApiException,
self.api.post_server, {'server': server})
@mock.patch('nova.virt.libvirt.LibvirtDriver._get_local_gb_info',
return_value={'total': 128,
'used': 44,
'free': 84})
@mock.patch('nova.virt.libvirt.driver.libvirt_utils.is_valid_hostname',
return_value=True)
@mock.patch('nova.virt.libvirt.driver.libvirt_utils.file_open',
side_effect=[io.BytesIO(b''), io.BytesIO(b'')])
def test_success(
self, mock_file_open, mock_valid_hostname, mock_get_fs_info):
host_info = fakelibvirt.NUMAHostInfo(cpu_nodes=2, cpu_sockets=1,
cpu_cores=2, cpu_threads=2,
kB_mem=15740000)
fake_connection = self._get_connection(host_info=host_info)
self.mock_conn.return_value = fake_connection
self.compute = self.start_service('compute', host='test_compute0')
flavor = self._create_flavor(extra_spec={
'hw:cpu_realtime': 'yes',
'hw:cpu_policy': 'dedicated',
'hw:cpu_realtime_mask': '^1'})
server = self._build_server(flavor)
created = self.api.post_server({'server': server})
instance = self.api.get_server(created['id'])
instance = self._wait_for_state_change(instance, 'BUILD')
self.assertEqual('ACTIVE', instance['status'])
self._delete_server(instance['id'])