147 lines
5.9 KiB
Python
147 lines
5.9 KiB
Python
# Copyright (C) 2015 Red Hat, Inc
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import mock
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import fixtures
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from oslo_log import log as logging
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from nova.tests.functional.api import client
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from nova.tests.functional.test_servers import ServersTestBase
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from nova.tests.unit import fake_network
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from nova.tests.unit.virt.libvirt import fake_libvirt_utils
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from nova.tests.unit.virt.libvirt import fakelibvirt
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LOG = logging.getLogger(__name__)
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class NumaHostInfo(fakelibvirt.HostInfo):
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def __init__(self, **kwargs):
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super(NumaHostInfo, self).__init__(**kwargs)
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self.numa_mempages_list = []
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def get_numa_topology(self):
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if self.numa_topology:
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return self.numa_topology
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topology = self._gen_numa_topology(self.cpu_nodes, self.cpu_sockets,
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self.cpu_cores, self.cpu_threads,
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self.kB_mem)
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self.numa_topology = topology
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# update number of active cpus
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cpu_count = len(topology.cells) * len(topology.cells[0].cpus)
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self.cpus = cpu_count - len(self.disabled_cpus_list)
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return topology
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def set_custom_numa_toplogy(self, topology):
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self.numa_topology = topology
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class RealTimeServersTest(ServersTestBase):
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def setUp(self):
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super(RealTimeServersTest, self).setUp()
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# Replace libvirt with fakelibvirt
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self.useFixture(fixtures.MonkeyPatch(
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'nova.virt.libvirt.driver.libvirt_utils',
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fake_libvirt_utils))
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self.useFixture(fixtures.MonkeyPatch(
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'nova.virt.libvirt.driver.libvirt',
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fakelibvirt))
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self.useFixture(fixtures.MonkeyPatch(
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'nova.virt.libvirt.host.libvirt',
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fakelibvirt))
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self.useFixture(fixtures.MonkeyPatch(
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'nova.virt.libvirt.guest.libvirt',
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fakelibvirt))
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self.useFixture(fakelibvirt.FakeLibvirtFixture())
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def _setup_compute_service(self):
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self.flags(compute_driver='nova.virt.libvirt.LibvirtDriver')
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def test_no_dedicated_cpu(self):
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flavor = self._create_flavor(extra_spec={'hw:cpu_realtime': 'yes'})
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server = self._build_server(flavor)
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# Cannot set realtime policy in a non dedicated cpu pinning policy
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self.assertRaises(
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client.OpenStackApiException,
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self.api.post_server, {'server': server})
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def test_no_realtime_mask(self):
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flavor = self._create_flavor(extra_spec={
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'hw:cpu_realtime': 'yes', 'hw:cpu_policy': 'dedicated'})
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server = self._build_server(flavor)
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# Cannot set realtime policy if not vcpus mask defined
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self.assertRaises(
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client.OpenStackApiException,
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self.api.post_server, {'server': server})
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@mock.patch('nova.virt.libvirt.LibvirtDriver._create_image')
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def test_invalid_libvirt_version(self, img_mock):
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host_info = NumaHostInfo(cpu_nodes=2, cpu_sockets=1, cpu_cores=2,
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cpu_threads=2, kB_mem=15740000)
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fake_connection = fakelibvirt.Connection('qemu:///system',
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version=1002007,
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hv_version=2001000,
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host_info=host_info)
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with mock.patch('nova.virt.libvirt.host.Host.get_connection',
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return_value=fake_connection):
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self.compute = self.start_service('compute', host='test_compute0')
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fake_network.set_stub_network_methods(self)
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flavor = self._create_flavor(extra_spec={
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'hw:cpu_realtime': 'yes', 'hw:cpu_policy': 'dedicated',
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'hw:cpu_realtime_mask': '^1'})
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server = self._build_server(flavor)
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created = self.api.post_server({'server': server})
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instance = self.api.get_server(created['id'])
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instance = self._wait_for_state_change(instance, 'BUILD')
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# Realtime policy not supported by hypervisor
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self.assertEqual('ERROR', instance['status'])
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self._delete_server(instance['id'])
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@mock.patch('nova.virt.libvirt.LibvirtDriver._create_image')
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def test_success(self, img_mock):
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host_info = NumaHostInfo(cpu_nodes=2, cpu_sockets=1, cpu_cores=2,
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cpu_threads=2, kB_mem=15740000)
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fake_connection = fakelibvirt.Connection('qemu:///system',
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version=1002013,
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hv_version=2001000,
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host_info=host_info)
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with mock.patch('nova.virt.libvirt.host.Host.get_connection',
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return_value=fake_connection):
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self.compute = self.start_service('compute', host='test_compute0')
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fake_network.set_stub_network_methods(self)
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flavor = self._create_flavor(extra_spec={
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'hw:cpu_realtime': 'yes',
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'hw:cpu_policy': 'dedicated',
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'hw:cpu_realtime_mask': '^1'})
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server = self._build_server(flavor)
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created = self.api.post_server({'server': server})
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instance = self.api.get_server(created['id'])
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instance = self._wait_for_state_change(instance, 'BUILD')
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self.assertEqual('ACTIVE', instance['status'])
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self._delete_server(instance['id'])
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