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test_designer.py
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/
test_designer.py
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# Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
#
# 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 unittest import mock
from nova.pci import utils as pci_utils
from nova import test
from nova.tests.fixtures import libvirt_data as fake_libvirt_data
from nova.tests.unit import matchers
from nova.virt.libvirt import config
from nova.virt.libvirt import designer
class DesignerTestCase(test.NoDBTestCase):
def test_set_vif_bandwidth_config_no_extra_specs(self):
# Test whether test_set_vif_bandwidth_config_no_extra_specs fails when
# its second parameter has no 'extra_specs' field.
try:
# The conf will never be user be used, so we can use 'None'.
# An empty dictionary is fine: all that matters it that there is no
# 'extra_specs' field.
designer.set_vif_bandwidth_config(None, {})
except KeyError as e:
self.fail('KeyError: %s' % e)
def test_set_vif_guest_frontend_config(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_guest_frontend_config(conf, 'fake-mac',
'fake-model', 'fake-driver',
'fake-queues', None, None)
self.assertEqual('fake-mac', conf.mac_addr)
self.assertEqual('fake-model', conf.model)
self.assertEqual('fake-driver', conf.driver_name)
self.assertEqual('fake-queues', conf.vhost_queues)
self.assertIsNone(conf.vhost_rx_queue_size)
def test_set_vif_guest_frontend_config_rx_queue_size(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_guest_frontend_config(conf, 'fake-mac',
'fake-model', 'fake-driver',
'fake-queues', 1024, None)
self.assertEqual('fake-mac', conf.mac_addr)
self.assertEqual('fake-model', conf.model)
self.assertEqual('fake-driver', conf.driver_name)
self.assertEqual('fake-queues', conf.vhost_queues)
self.assertEqual(1024, conf.vhost_rx_queue_size)
def test_set_vif_host_backend_ethernet_config_libvirt_1_3_3(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_ethernet_config(conf, 'fake-tap')
self.assertEqual('ethernet', conf.net_type)
self.assertEqual('fake-tap', conf.target_dev)
self.assertIsNone(conf.script)
def test_set_vif_host_backend_802qbg_config(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_802qbg_config(conf, 'fake-devname',
'fake-managerid',
'fake-typeid',
'fake-typeidversion',
'fake-instanceid',
'fake-tap')
self.assertEqual('direct', conf.net_type)
self.assertEqual('fake-devname', conf.source_dev)
self.assertEqual('vepa', conf.source_mode)
self.assertEqual('802.1Qbg', conf.vporttype)
expected = [{'key': 'managerid', 'value': 'fake-managerid'},
{'key': 'typeid', 'value': 'fake-typeid'},
{'key': 'typeidversion', 'value': 'fake-typeidversion'},
{'key': 'instanceid', 'value': 'fake-instanceid'}]
self.assertThat(expected, matchers.DictListMatches(conf.vportparams))
self.assertEqual('fake-tap', conf.target_dev)
@mock.patch.object(pci_utils, 'get_ifname_by_pci_address',
return_value='fake-devname')
def test_set_vif_host_backend_802qbh_config_direct(self,
mock_pci):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_802qbh_config(conf, 'direct',
'fake-pci-dev',
'fake-profileid',
'fake-tap')
self.assertEqual('direct', conf.net_type)
self.assertEqual('fake-devname', conf.source_dev)
self.assertEqual('passthrough', conf.source_mode)
self.assertEqual('vhost', conf.driver_name)
mock_pci.assert_called_with('fake-pci-dev')
self.assertEqual('802.1Qbh', conf.vporttype)
self.assertEqual('fake-tap', conf.target_dev)
def test_set_vif_host_backend_802qbh_config_hostdev(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_802qbh_config(conf, 'hostdev',
'fake-devname',
'fake-profileid',
'fake-tap')
self.assertEqual('hostdev', conf.net_type)
self.assertEqual('fake-devname', conf.source_dev)
self.assertIsNone(conf.model)
self.assertEqual('802.1Qbh', conf.vporttype)
self.assertEqual('fake-tap', conf.target_dev)
@mock.patch.object(pci_utils, 'get_ifname_by_pci_address',
return_value='fake-devname')
def test_set_vif_host_backend_hw_veb_direct(self,
mock_pci):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_hw_veb(conf, 'direct',
'fake-pci-dev',
'fake-vlan',
'fake-tap')
self.assertEqual('direct', conf.net_type)
self.assertEqual('fake-devname', conf.source_dev)
self.assertEqual('passthrough', conf.source_mode)
self.assertEqual('vhost', conf.driver_name)
self.assertEqual('fake-tap', conf.target_dev)
mock_pci.assert_called_with('fake-pci-dev')
def test_set_vif_host_backend_hw_veb_hostdev(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_hw_veb(conf, 'hostdev',
'fake-devname',
'fake-vlan',
'fake-tap')
self.assertEqual('hostdev', conf.net_type)
self.assertEqual('fake-devname', conf.source_dev)
self.assertIsNone(conf.model)
self.assertEqual('fake-vlan', conf.vlan)
self.assertEqual('fake-tap', conf.target_dev)
@mock.patch.object(pci_utils, 'get_pci_address_fields',
return_value=('fake-domain', 'fake-bus',
'fake-slot', 'fake-function'))
def test_set_vif_host_backend_hostdev_pci_config(self, mock_pci_fields):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_hostdev_pci_config(conf,
'fake-pci-slot')
self.assertEqual('fake-domain', conf.domain)
self.assertEqual('fake-bus', conf.bus)
self.assertEqual('fake-slot', conf.slot)
self.assertEqual('fake-function', conf.function)
mock_pci_fields.assert_called_with('fake-pci-slot')
def test_set_vif_host_backend_direct_config(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_direct_config(conf, 'fake-devname',
mode="passthrough")
self.assertEqual('direct', conf.net_type)
self.assertEqual('fake-devname', conf.source_dev)
self.assertEqual('passthrough', conf.source_mode)
self.assertEqual('virtio', conf.model)
def test_set_vif_host_backend_vhostuser_config(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vhostuser_config(conf, 'fake-mode',
'fake-path', None, None)
self.assertEqual('vhostuser', conf.net_type)
self.assertEqual('unix', conf.vhostuser_type)
self.assertEqual('fake-mode', conf.vhostuser_mode)
self.assertEqual('fake-path', conf.vhostuser_path)
self.assertIsNone(conf.vhost_rx_queue_size)
self.assertIsNone(conf.vhost_tx_queue_size)
def test_set_vif_host_backend_vdpa_config(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vdpa_config(
conf, '/dev/vdpa_vdpa0')
self.assertEqual('vdpa', conf.net_type)
self.assertEqual('/dev/vdpa_vdpa0', conf.source_dev)
self.assertIsNone(conf.vhost_rx_queue_size)
self.assertIsNone(conf.vhost_tx_queue_size)
def test_set_vif_host_backend_vdpa_config_queue_size(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vdpa_config(
conf, '/dev/vdpa_vdpa0', rx_queue_size=512,
tx_queue_size=1024)
self.assertEqual('vdpa', conf.net_type)
self.assertEqual('/dev/vdpa_vdpa0', conf.source_dev)
self.assertEqual(512, conf.vhost_rx_queue_size)
self.assertEqual(1024, conf.vhost_tx_queue_size)
def test_set_vif_host_backend_vhostuser_config_queue_size(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vhostuser_config(conf, 'fake-mode',
'fake-path', 512, 1024)
self.assertEqual('vhostuser', conf.net_type)
self.assertEqual('unix', conf.vhostuser_type)
self.assertEqual('fake-mode', conf.vhostuser_mode)
self.assertEqual('fake-path', conf.vhostuser_path)
self.assertEqual(512, conf.vhost_rx_queue_size)
self.assertEqual(1024, conf.vhost_tx_queue_size)
def test_set_vif_host_backend_vhostuser_config_tx_queue_size(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vhostuser_config(conf, 'fake-mode',
'fake-path', None, 1024)
self.assertEqual('vhostuser', conf.net_type)
self.assertEqual('unix', conf.vhostuser_type)
self.assertEqual('fake-mode', conf.vhostuser_mode)
self.assertEqual('fake-path', conf.vhostuser_path)
self.assertIsNone(conf.vhost_rx_queue_size)
self.assertEqual(1024, conf.vhost_tx_queue_size)
def test_set_vif_host_backend_vhostuser_config_rx_queue_size(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vhostuser_config(conf, 'fake-mode',
'fake-path', 512, None)
self.assertEqual('vhostuser', conf.net_type)
self.assertEqual('unix', conf.vhostuser_type)
self.assertEqual('fake-mode', conf.vhostuser_mode)
self.assertEqual('fake-path', conf.vhostuser_path)
self.assertEqual(512, conf.vhost_rx_queue_size)
self.assertIsNone(conf.vhost_tx_queue_size)
def test_set_vif_host_backend_vhostuser_config_tapname(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_host_backend_vhostuser_config(conf, 'fake-mode',
'fake-path', None, None,
'fake-tap')
self.assertEqual('vhostuser', conf.net_type)
self.assertEqual('unix', conf.vhostuser_type)
self.assertEqual('fake-mode', conf.vhostuser_mode)
self.assertEqual('fake-path', conf.vhostuser_path)
self.assertIsNone(conf.vhost_rx_queue_size)
self.assertIsNone(conf.vhost_tx_queue_size)
self.assertEqual('fake-tap', conf.target_dev)
def test_set_vif_mtu_config(self):
conf = config.LibvirtConfigGuestInterface()
designer.set_vif_mtu_config(conf, 9000)
self.assertEqual(9000, conf.mtu)
def test_set_driver_iommu(self):
conf = fake_libvirt_data.fake_kvm_guest()
# obj.devices[11]
controller = config.LibvirtConfigGuestController()
controller.type = 'virtio-serial'
controller.index = 0
conf.add_device(controller)
designer.set_driver_iommu_for_all_devices(conf)
# All disks/interfaces/memballoon are expected to be virtio,
# thus driver_iommu should be on
self.assertEqual(11, len(conf.devices))
for i in (0, 2, 3, 6, 8, 9, 10):
dev = conf.devices[i]
self.assertTrue(
dev.driver_iommu,
"expected device %d to have driver_iommu enabled\n%s" %
(i, dev.to_xml()))
for i in (1, 4):
dev = conf.devices[i]
self.assertFalse(
dev.driver_iommu,
"didn't expect device %i to have driver_iommu enabled\n%s" %
(i, dev.to_xml()))