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test_vif.py
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test_vif.py
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# Copyright 2012 Nicira, Inc
#
# 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 copy
import os
import fixtures
from lxml import etree
import mock
import os_vif
from os_vif import exception as osv_exception
from os_vif import objects as osv_objects
from oslo_concurrency import processutils
from oslo_config import cfg
import six
from nova import exception
from nova.network import linux_net
from nova.network import model as network_model
from nova import objects
from nova.pci import utils as pci_utils
from nova import test
from nova.tests.unit import matchers
from nova.tests.unit.virt import fakelibosinfo
from nova import utils
from nova.virt.libvirt import config as vconfig
from nova.virt.libvirt import host
from nova.virt.libvirt import vif
CONF = cfg.CONF
class LibvirtVifTestCase(test.NoDBTestCase):
gateway_bridge_4 = network_model.IP(address='101.168.1.1', type='gateway')
dns_bridge_4 = network_model.IP(address='8.8.8.8', type=None)
ips_bridge_4 = [network_model.IP(address='101.168.1.9', type=None)]
subnet_bridge_4 = network_model.Subnet(cidr='101.168.1.0/24',
dns=[dns_bridge_4],
gateway=gateway_bridge_4,
routes=None,
dhcp_server='191.168.1.1')
gateway_bridge_6 = network_model.IP(address='101:1db9::1', type='gateway')
subnet_bridge_6 = network_model.Subnet(cidr='101:1db9::/64',
dns=None,
gateway=gateway_bridge_6,
ips=None,
routes=None)
network_bridge = network_model.Network(id='network-id-xxx-yyy-zzz',
bridge='br0',
label=None,
subnets=[subnet_bridge_4,
subnet_bridge_6],
bridge_interface='eth0',
vlan=99, mtu=9000)
vif_bridge = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_BRIDGE,
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=None)
network_bridge_neutron = network_model.Network(id='network-id-xxx-yyy-zzz',
bridge=None,
label=None,
subnets=[subnet_bridge_4,
subnet_bridge_6],
bridge_interface='eth0',
vlan=99)
vif_bridge_neutron = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge_neutron,
type=None,
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
network_ovs = network_model.Network(id='network-id-xxx-yyy-zzz',
bridge='br0',
label=None,
subnets=[subnet_bridge_4,
subnet_bridge_6],
bridge_interface=None,
vlan=99, mtu=1000)
network_ivs = network_model.Network(id='network-id-xxx-yyy-zzz',
bridge='br0',
label=None,
subnets=[subnet_bridge_4,
subnet_bridge_6],
bridge_interface=None,
vlan=99)
vif_ovs = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ovs,
type=network_model.VIF_TYPE_OVS,
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
vif_ovs_hybrid = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ovs,
type=network_model.VIF_TYPE_OVS,
details={'ovs_hybrid_plug': True,
'port_filter': True},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
vif_ovs_filter_cap = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ovs,
type=network_model.VIF_TYPE_OVS,
details={'port_filter': True},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
vif_ovs_legacy = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ovs,
type=None,
devname=None,
ovs_interfaceid=None)
vif_ivs = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ivs,
type=network_model.VIF_TYPE_IVS,
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
vif_ivs_legacy = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ovs,
type=None,
devname=None,
ovs_interfaceid='aaa')
vif_ivs_filter_direct = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ivs,
type=network_model.VIF_TYPE_IVS,
details={'port_filter': True},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
vif_ivs_filter_hybrid = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_ivs,
type=network_model.VIF_TYPE_IVS,
details={
'port_filter': True,
'ovs_hybrid_plug': True},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc')
vif_none = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=None,
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=None)
network_8021 = network_model.Network(id='network-id-xxx-yyy-zzz',
bridge=None,
label=None,
subnets=[subnet_bridge_4,
subnet_bridge_6],
interface='eth0',
vlan=99)
vif_8021qbh = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_802_QBH,
vnic_type=network_model.VNIC_TYPE_DIRECT,
ovs_interfaceid=None,
details={
network_model.VIF_DETAILS_PROFILEID:
'MyPortProfile'},
profile={'pci_vendor_info': '1137:0043',
'pci_slot': '0000:0a:00.1',
'physical_network': 'phynet1'})
vif_hw_veb = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_HW_VEB,
vnic_type=network_model.VNIC_TYPE_DIRECT,
ovs_interfaceid=None,
details={
network_model.VIF_DETAILS_VLAN: '100'},
profile={'pci_vendor_info': '1137:0043',
'pci_slot': '0000:0a:00.1',
'physical_network': 'phynet1'})
vif_hostdev_physical = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_HOSTDEV,
vnic_type=
network_model.VNIC_TYPE_DIRECT_PHYSICAL,
ovs_interfaceid=None,
profile={'pci_vendor_info': '1137:0043',
'pci_slot': '0000:0a:00.1',
'physical_network': 'phynet1'})
vif_hw_veb_macvtap = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_HW_VEB,
vnic_type=network_model.VNIC_TYPE_MACVTAP,
ovs_interfaceid=None,
details={
network_model.VIF_DETAILS_VLAN: '100'},
profile={'pci_vendor_info': '1137:0043',
'pci_slot': '0000:0a:00.1',
'physical_network': 'phynet1'})
vif_8021qbg = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_802_QBG,
ovs_interfaceid=None,
qbg_params=network_model.VIF8021QbgParams(
managerid="xxx-yyy-zzz",
typeid="aaa-bbb-ccc",
typeidversion="1",
instanceid="ddd-eee-fff"))
network_midonet = network_model.Network(id='network-id-xxx-yyy-zzz',
label=None,
bridge=None,
subnets=[subnet_bridge_4],
interface='eth0')
network_vrouter = network_model.Network(id='network-id-xxx-yyy-zzz',
label=None,
bridge=None,
subnets=[subnet_bridge_4,
subnet_bridge_6],
interface='eth0')
vif_vrouter = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_vrouter,
type=network_model.VIF_TYPE_VROUTER,
devname='tap-xxx-yyy-zzz')
vif_ib_hostdev = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_IB_HOSTDEV,
vnic_type=network_model.VNIC_TYPE_DIRECT,
ovs_interfaceid=None,
details={
network_model.VIF_DETAILS_VLAN: '100'},
profile={'pci_vendor_info': '1137:0043',
'pci_slot': '0000:0a:00.1',
'physical_network': 'phynet1'})
vif_midonet = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_midonet,
type=network_model.VIF_TYPE_MIDONET,
devname='tap-xxx-yyy-zzz')
vif_tap = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
type=network_model.VIF_TYPE_TAP,
devname='tap-xxx-yyy-zzz')
vif_iovisor = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_IOVISOR,
devname='tap-xxx-yyy-zzz',
ovs_interfaceid=None)
vif_vhostuser = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_VHOSTUSER,
details = {network_model.VIF_DETAILS_VHOSTUSER_MODE: 'client',
network_model.VIF_DETAILS_VHOSTUSER_SOCKET:
'/tmp/vif-xxx-yyy-zzz'}
)
vif_vhostuser_fp = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_VHOSTUSER,
devname='tap-xxx-yyy-zzz',
details = {network_model.VIF_DETAILS_VHOSTUSER_SOCKET:
'/tmp/usv-xxx-yyy-zzz',
network_model.VIF_DETAILS_VHOSTUSER_FP_PLUG: True},
)
vif_vhostuser_ovs = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_VHOSTUSER,
details = {network_model.VIF_DETAILS_VHOSTUSER_MODE: 'client',
network_model.VIF_DETAILS_VHOSTUSER_SOCKET:
'/tmp/usv-xxx-yyy-zzz',
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG: True},
ovs_interfaceid='aaa-bbb-ccc', mtu=1500
)
vif_vhostuser_ovs_fp = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_VHOSTUSER,
details = {network_model.VIF_DETAILS_VHOSTUSER_MODE: 'server',
network_model.VIF_DETAILS_VHOSTUSER_SOCKET:
'/tmp/usv-xxx-yyy-zzz',
network_model.VIF_DETAILS_VHOSTUSER_FP_PLUG: True,
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG: True},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc'
)
vif_vhostuser_ovs_fp_hybrid = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_VHOSTUSER,
details = {'ovs_hybrid_plug': True,
network_model.VIF_DETAILS_VHOSTUSER_MODE: 'server',
network_model.VIF_DETAILS_VHOSTUSER_SOCKET:
'/tmp/usv-xxx-yyy-zzz',
network_model.VIF_DETAILS_VHOSTUSER_OVS_PLUG: True,
network_model.VIF_DETAILS_VHOSTUSER_FP_PLUG: True},
devname='tap-xxx-yyy-zzz',
ovs_interfaceid='aaa-bbb-ccc'
)
vif_vhostuser_no_path = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_bridge,
type=network_model.VIF_TYPE_VHOSTUSER,
details = {network_model.VIF_DETAILS_VHOSTUSER_MODE: 'client'})
vif_macvtap_vlan = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_MACVTAP,
details={network_model.VIF_DETAILS_VLAN: '1',
network_model.VIF_DETAILS_PHYS_INTERFACE: 'eth0',
network_model.VIF_DETAILS_MACVTAP_SOURCE: 'eth0.1',
network_model.VIF_DETAILS_MACVTAP_MODE: 'vepa'})
vif_macvtap_flat = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_MACVTAP,
details={network_model.VIF_DETAILS_PHYS_INTERFACE: 'eth0',
network_model.VIF_DETAILS_MACVTAP_SOURCE: 'eth0',
network_model.VIF_DETAILS_MACVTAP_MODE: 'bridge'})
vif_macvtap_exception = network_model.VIF(id='vif-xxx-yyy-zzz',
address='ca:fe:de:ad:be:ef',
network=network_8021,
type=network_model.VIF_TYPE_MACVTAP)
instance = objects.Instance(id=1,
uuid='f0000000-0000-0000-0000-000000000001',
project_id=723)
bandwidth = {
'quota:vif_inbound_peak': '200',
'quota:vif_outbound_peak': '20',
'quota:vif_inbound_average': '100',
'quota:vif_outbound_average': '10',
'quota:vif_inbound_burst': '300',
'quota:vif_outbound_burst': '30'
}
os_vif_network = osv_objects.network.Network(
id="b82c1929-051e-481d-8110-4669916c7915",
label="Demo Net",
subnets=osv_objects.subnet.SubnetList(
objects=[]))
os_vif_bridge = osv_objects.vif.VIFBridge(
id="dc065497-3c8d-4f44-8fb4-e1d33c16a536",
address="22:52:25:62:e2:aa",
plugin="linux_bridge",
vif_name="nicdc065497-3c",
bridge_name="br100",
has_traffic_filtering=False,
network=os_vif_network)
os_vif_ovs_prof = osv_objects.vif.VIFPortProfileOpenVSwitch(
interface_id="07bd6cea-fb37-4594-b769-90fc51854ee9",
profile_id="fishfood")
os_vif_ovs = osv_objects.vif.VIFOpenVSwitch(
id="dc065497-3c8d-4f44-8fb4-e1d33c16a536",
address="22:52:25:62:e2:aa",
unplugin="linux_bridge",
vif_name="nicdc065497-3c",
bridge_name="br0",
port_profile=os_vif_ovs_prof,
network=os_vif_network)
os_vif_ovs_hybrid = osv_objects.vif.VIFBridge(
id="dc065497-3c8d-4f44-8fb4-e1d33c16a536",
address="22:52:25:62:e2:aa",
unplugin="linux_bridge",
vif_name="nicdc065497-3c",
bridge_name="br0",
port_profile=os_vif_ovs_prof,
has_traffic_filtering=False,
network=os_vif_network)
os_vif_inst_info = osv_objects.instance_info.InstanceInfo(
uuid="d5b1090c-9e00-4fa4-9504-4b1494857970",
name="instance-000004da",
project_id="2f37d7f6-e51a-4a1f-8b6e-b0917ffc8390")
def setUp(self):
super(LibvirtVifTestCase, self).setUp()
self.flags(allow_same_net_traffic=True)
self.executes = []
def fake_execute(*cmd, **kwargs):
self.executes.append(cmd)
return None, None
self.stub_out('nova.utils.execute', fake_execute)
def _get_node(self, xml):
doc = etree.fromstring(xml)
ret = doc.findall('./devices/interface')
self.assertEqual(len(ret), 1)
return ret[0]
def _assertMacEquals(self, node, vif):
mac = node.find("mac").get("address")
self.assertEqual(mac, vif['address'])
def _assertTypeEquals(self, node, type, attr, source, br_want,
prefix=None):
self.assertEqual(node.get("type"), type)
br_name = node.find(attr).get(source)
if prefix is None:
self.assertEqual(br_name, br_want)
else:
self.assertTrue(br_name.startswith(prefix))
def _assertTypeAndMacEquals(self, node, type, attr, source, vif,
br_want=None, size=0, prefix=None):
ret = node.findall("filterref")
self.assertEqual(len(ret), size)
self._assertTypeEquals(node, type, attr, source, br_want,
prefix)
self._assertMacEquals(node, vif)
def _assertModel(self, xml, model_want=None, driver_want=None):
node = self._get_node(xml)
if model_want is None:
ret = node.findall("model")
self.assertEqual(len(ret), 0)
else:
model = node.find("model").get("type")
self.assertEqual(model, model_want)
if driver_want is None:
ret = node.findall("driver")
self.assertEqual(len(ret), 0)
else:
driver = node.find("driver").get("name")
self.assertEqual(driver, driver_want)
def _assertTypeAndPciEquals(self, node, type, vif):
self.assertEqual(node.get("type"), type)
self._assertPciEqual(node, vif, type="pci")
def _assertPciEqual(self, node, vif, type=None):
address = node.find("source").find("address")
if type:
addr_type = address.get("type")
self.assertEqual(type, addr_type)
pci_slot = "%(domain)s:%(bus)s:%(slot)s.%(func)s" % {
'domain': address.get("domain")[2:],
'bus': address.get("bus")[2:],
'slot': address.get("slot")[2:],
'func': address.get("function")[2:]}
pci_slot_want = vif['profile']['pci_slot']
self.assertEqual(pci_slot, pci_slot_want)
def _assertXmlEqual(self, expectedXmlstr, actualXmlstr):
self.assertThat(actualXmlstr, matchers.XMLMatches(expectedXmlstr))
def _get_conf(self):
conf = vconfig.LibvirtConfigGuest()
conf.virt_type = "qemu"
conf.name = "fake-name"
conf.uuid = "fake-uuid"
conf.memory = 100 * 1024
conf.vcpus = 4
return conf
def _get_instance_xml(self, driver, vif, image_meta=None, flavor=None):
if flavor is None:
flavor = objects.Flavor(name='m1.small',
memory_mb=128,
vcpus=1,
root_gb=0,
ephemeral_gb=0,
swap=0,
extra_specs=dict(self.bandwidth),
deleted_at=None,
deleted=0,
created_at=None, flavorid=1,
is_public=True, vcpu_weight=None,
id=2, disabled=False, rxtx_factor=1.0)
conf = self._get_conf()
hostimpl = host.Host("qemu:///system")
nic = driver.get_config(self.instance, vif, image_meta,
flavor, CONF.libvirt.virt_type,
hostimpl)
conf.add_device(nic)
return conf.to_xml()
def _test_virtio_multiqueue(self, vcpus, want_queues):
self.flags(use_virtio_for_bridges=True,
virt_type='kvm',
group='libvirt')
flavor = objects.Flavor(name='m1.small',
memory_mb=128,
vcpus=vcpus,
root_gb=0,
ephemeral_gb=0,
swap=0,
deleted_at=None,
deleted=0,
created_at=None, flavorid=1,
is_public=True, vcpu_weight=None,
id=2, disabled=False, rxtx_factor=1.0)
d = vif.LibvirtGenericVIFDriver()
image_meta = objects.ImageMeta.from_dict(
{'properties': {'hw_vif_model': 'virtio',
'hw_vif_multiqueue_enabled': 'true'}})
xml = self._get_instance_xml(d, self.vif_bridge,
image_meta, flavor)
node = self._get_node(xml)
driver = node.find("driver").get("name")
self.assertEqual(driver, 'vhost')
queues = node.find("driver").get("queues")
self.assertEqual(queues, want_queues)
def test_virtio_multiqueue(self):
self._test_virtio_multiqueue(4, '4')
@mock.patch('os.uname', return_value=('Linux', '', '2.6.32-21-generic'))
def test_virtio_multiqueue_in_kernel_2(self, mock_uname):
self._test_virtio_multiqueue(10, '1')
@mock.patch('os.uname', return_value=('Linux', '', '3.19.0-47-generic'))
def test_virtio_multiqueue_in_kernel_3(self, mock_uname):
self._test_virtio_multiqueue(10, '8')
@mock.patch('os.uname', return_value=('Linux', '', '4.2.0-35-generic'))
def test_virtio_multiqueue_in_kernel_4(self, mock_uname):
self._test_virtio_multiqueue(10, '10')
def test_multiple_nics(self):
conf = self._get_conf()
# Tests multiple nic configuration and that target_dev is
# set for each
nics = [{'net_type': 'bridge',
'mac_addr': '00:00:00:00:00:0b',
'source_dev': 'b_source_dev',
'target_dev': 'b_target_dev'},
{'net_type': 'ethernet',
'mac_addr': '00:00:00:00:00:0e',
'source_dev': 'e_source_dev',
'target_dev': 'e_target_dev'},
{'net_type': 'direct',
'mac_addr': '00:00:00:00:00:0d',
'source_dev': 'd_source_dev',
'target_dev': 'd_target_dev'}]
for nic in nics:
nic_conf = vconfig.LibvirtConfigGuestInterface()
nic_conf.net_type = nic['net_type']
nic_conf.target_dev = nic['target_dev']
nic_conf.mac_addr = nic['mac_addr']
nic_conf.source_dev = nic['source_dev']
conf.add_device(nic_conf)
xml = conf.to_xml()
doc = etree.fromstring(xml)
for nic in nics:
path = "./devices/interface/[@type='%s']" % nic['net_type']
node = doc.find(path)
self.assertEqual(nic['net_type'], node.get("type"))
self.assertEqual(nic['mac_addr'],
node.find("mac").get("address"))
self.assertEqual(nic['target_dev'],
node.find("target").get("dev"))
def test_model_novirtio(self):
self.flags(use_virtio_for_bridges=False,
virt_type='kvm',
group='libvirt')
d = vif.LibvirtGenericVIFDriver()
xml = self._get_instance_xml(d, self.vif_bridge)
self._assertModel(xml)
def test_model_kvm(self):
self.flags(use_virtio_for_bridges=True,
virt_type='kvm',
group='libvirt')
d = vif.LibvirtGenericVIFDriver()
xml = self._get_instance_xml(d, self.vif_bridge)
self._assertModel(xml, network_model.VIF_MODEL_VIRTIO)
def test_model_kvm_qemu_custom(self):
for virt in ('kvm', 'qemu'):
self.flags(use_virtio_for_bridges=True,
virt_type=virt,
group='libvirt')
d = vif.LibvirtGenericVIFDriver()
supported = (network_model.VIF_MODEL_NE2K_PCI,
network_model.VIF_MODEL_PCNET,
network_model.VIF_MODEL_RTL8139,
network_model.VIF_MODEL_E1000,
network_model.VIF_MODEL_SPAPR_VLAN)
for model in supported:
image_meta = objects.ImageMeta.from_dict(
{'properties': {'hw_vif_model': model}})
xml = self._get_instance_xml(d, self.vif_bridge,
image_meta)
self._assertModel(xml, model)
@mock.patch.object(vif.designer, 'set_vif_guest_frontend_config')
def test_model_with_osinfo(self, mock_set):
self.flags(use_virtio_for_bridges=True,
virt_type='kvm',
group='libvirt')
self.useFixture(fixtures.MonkeyPatch(
'nova.virt.osinfo.libosinfo',
fakelibosinfo))
d = vif.LibvirtGenericVIFDriver()
image_meta = {'properties': {'os_name': 'fedora22'}}
image_meta = objects.ImageMeta.from_dict(image_meta)
d.get_base_config(None, 'ca:fe:de:ad:be:ef', image_meta,
None, 'kvm')
mock_set.assert_called_once_with(mock.ANY, 'ca:fe:de:ad:be:ef',
'virtio', None, None)
def _test_model_qemu(self, *vif_objs, **kw):
libvirt_version = kw.get('libvirt_version')
self.flags(use_virtio_for_bridges=True,
virt_type='qemu',
group='libvirt')
for vif_obj in vif_objs:
d = vif.LibvirtGenericVIFDriver()
if libvirt_version is not None:
d.libvirt_version = libvirt_version
xml = self._get_instance_xml(d, vif_obj)
doc = etree.fromstring(xml)
bandwidth = doc.find('./devices/interface/bandwidth')
self.assertNotEqual(bandwidth, None)
inbound = bandwidth.find('inbound')
self.assertEqual(inbound.get("average"),
self.bandwidth['quota:vif_inbound_average'])
self.assertEqual(inbound.get("peak"),
self.bandwidth['quota:vif_inbound_peak'])
self.assertEqual(inbound.get("burst"),
self.bandwidth['quota:vif_inbound_burst'])
outbound = bandwidth.find('outbound')
self.assertEqual(outbound.get("average"),
self.bandwidth['quota:vif_outbound_average'])
self.assertEqual(outbound.get("peak"),
self.bandwidth['quota:vif_outbound_peak'])
self.assertEqual(outbound.get("burst"),
self.bandwidth['quota:vif_outbound_burst'])
self._assertModel(xml, network_model.VIF_MODEL_VIRTIO, "qemu")
def test_model_qemu_no_firewall(self):
self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver")
self._test_model_qemu(
self.vif_bridge,
self.vif_8021qbg,
self.vif_iovisor,
self.vif_ovs,
)
def test_model_qemu_iptables(self):
self.flags(firewall_driver="nova.virt.firewall.IptablesFirewallDriver")
self._test_model_qemu(
self.vif_bridge,
self.vif_ovs,
self.vif_ivs,
self.vif_8021qbg,
self.vif_iovisor
)
def test_model_xen(self):
self.flags(use_virtio_for_bridges=True,
virt_type='xen',
group='libvirt')
d = vif.LibvirtGenericVIFDriver()
xml = self._get_instance_xml(d, self.vif_bridge)
self._assertModel(xml)
def test_generic_driver_none(self):
d = vif.LibvirtGenericVIFDriver()
self.assertRaises(exception.NovaException,
self._get_instance_xml,
d,
self.vif_none)
def _check_bridge_driver(self, d, vif, br_want):
xml = self._get_instance_xml(d, vif)
node = self._get_node(xml)
self._assertTypeAndMacEquals(node, "bridge", "source", "bridge",
self.vif_bridge, br_want, 1)
def test_generic_driver_bridge(self):
d = vif.LibvirtGenericVIFDriver()
self._check_bridge_driver(d,
self.vif_bridge,
self.vif_bridge['network']['bridge'])
def _check_ivs_ethernet_driver(self, d, vif, dev_prefix):
self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver")
xml = self._get_instance_xml(d, vif)
node = self._get_node(xml)
self._assertTypeAndMacEquals(node, "ethernet", "target", "dev",
self.vif_ivs, prefix=dev_prefix)
script = node.find("script").get("path")
self.assertEqual(script, "")
def test_unplug_ivs_ethernet(self):
d = vif.LibvirtGenericVIFDriver()
with mock.patch.object(linux_net, 'delete_ivs_vif_port') as delete:
delete.side_effect = processutils.ProcessExecutionError
d.unplug(self.instance, self.vif_ivs)
@mock.patch.object(utils, 'execute')
@mock.patch.object(pci_utils, 'get_ifname_by_pci_address')
@mock.patch.object(pci_utils, 'get_vf_num_by_pci_address', return_value=1)
def _test_hw_veb_op(self, op, vlan, mock_get_vf_num, mock_get_ifname,
mock_execute):
mock_get_ifname.side_effect = ['eth1', 'eth13']
exit_code = [0, 2, 254]
port_state = 'up' if vlan > 0 else 'down'
calls = {
'get_ifname':
[mock.call(self.vif_hw_veb_macvtap['profile']['pci_slot'],
pf_interface=True),
mock.call(self.vif_hw_veb_macvtap['profile']['pci_slot'])],
'get_vf_num':
[mock.call(self.vif_hw_veb_macvtap['profile']['pci_slot'])],
'execute': [mock.call('ip', 'link', 'set', 'eth1',
'vf', 1, 'mac',
self.vif_hw_veb_macvtap['address'],
'vlan', vlan,
run_as_root=True,
check_exit_code=exit_code),
mock.call('ip', 'link', 'set',
'eth13', port_state,
run_as_root=True,
check_exit_code=exit_code)]
}
op(self.instance, self.vif_hw_veb_macvtap)
mock_get_ifname.assert_has_calls(calls['get_ifname'])
mock_get_vf_num.assert_has_calls(calls['get_vf_num'])
mock_execute.assert_has_calls(calls['execute'])
def test_plug_hw_veb(self):
d = vif.LibvirtGenericVIFDriver()
self._test_hw_veb_op(
d.plug,
self.vif_hw_veb_macvtap['details'][network_model.VIF_DETAILS_VLAN])
def test_unplug_hw_veb(self):
d = vif.LibvirtGenericVIFDriver()
self._test_hw_veb_op(d.unplug, 0)
def test_plug_ivs_hybrid(self):
calls = {
'device_exists': [mock.call('qbrvif-xxx-yyy'),
mock.call('qvovif-xxx-yyy')],
'_create_veth_pair': [mock.call('qvbvif-xxx-yyy',
'qvovif-xxx-yyy', None)],
'execute': [mock.call('brctl', 'addbr', 'qbrvif-xxx-yyy',
run_as_root=True),
mock.call('brctl', 'setfd', 'qbrvif-xxx-yyy', 0,
run_as_root=True),
mock.call('brctl', 'stp', 'qbrvif-xxx-yyy', 'off',
run_as_root=True),
mock.call('tee', ('/sys/class/net/qbrvif-xxx-yyy'
'/bridge/multicast_snooping'),
process_input='0', run_as_root=True,
check_exit_code=[0, 1]),
mock.call('tee', ('/proc/sys/net/ipv6/conf'
'/qbrvif-xxx-yyy/disable_ipv6'),
process_input='1', run_as_root=True,
check_exit_code=[0, 1]),
mock.call('ip', 'link', 'set', 'qbrvif-xxx-yyy', 'up',
run_as_root=True),
mock.call('brctl', 'addif', 'qbrvif-xxx-yyy',
'qvbvif-xxx-yyy', run_as_root=True)],
'create_ivs_vif_port': [mock.call('qvovif-xxx-yyy', 'aaa-bbb-ccc',
'ca:fe:de:ad:be:ef',
'f0000000-0000-0000-0000-000000000001')]
}
with test.nested(
mock.patch.object(linux_net, 'device_exists',
return_value=False),
mock.patch.object(utils, 'execute'),
mock.patch.object(linux_net, '_create_veth_pair'),
mock.patch.object(linux_net, 'create_ivs_vif_port'),
mock.patch.object(os.path, 'exists', return_value=True)
) as (device_exists, execute, _create_veth_pair, create_ivs_vif_port,
path_exists):
d = vif.LibvirtGenericVIFDriver()
d.plug(self.instance, self.vif_ivs)
device_exists.assert_has_calls(calls['device_exists'])
_create_veth_pair.assert_has_calls(calls['_create_veth_pair'])
execute.assert_has_calls(calls['execute'])
create_ivs_vif_port.assert_has_calls(calls['create_ivs_vif_port'])
def test_unplug_ivs_hybrid(self):
calls = {
'execute': [mock.call('brctl', 'delif', 'qbrvif-xxx-yyy',
'qvbvif-xxx-yyy', run_as_root=True),
mock.call('ip', 'link', 'set',
'qbrvif-xxx-yyy', 'down', run_as_root=True),
mock.call('brctl', 'delbr',
'qbrvif-xxx-yyy', run_as_root=True)],
'delete_ivs_vif_port': [mock.call('qvovif-xxx-yyy')]
}
with test.nested(
mock.patch.object(utils, 'execute'),
mock.patch.object(linux_net, 'delete_ivs_vif_port')
) as (execute, delete_ivs_vif_port):
d = vif.LibvirtGenericVIFDriver()
d.unplug(self.instance, self.vif_ivs)
execute.assert_has_calls(calls['execute'])
delete_ivs_vif_port.assert_has_calls(calls['delete_ivs_vif_port'])
def test_unplug_ivs_hybrid_bridge_does_not_exist(self):
d = vif.LibvirtGenericVIFDriver()
with mock.patch.object(utils, 'execute') as execute:
execute.side_effect = processutils.ProcessExecutionError
d.unplug(self.instance, self.vif_ivs)
def test_unplug_iovisor(self):
d = vif.LibvirtGenericVIFDriver()
with mock.patch.object(utils, 'execute') as execute:
execute.side_effect = processutils.ProcessExecutionError
d.unplug(self.instance, self.vif_iovisor)
@mock.patch('nova.network.linux_net.device_exists')
def test_plug_iovisor(self, device_exists):
device_exists.return_value = True
d = vif.LibvirtGenericVIFDriver()
with mock.patch.object(utils, 'execute') as execute:
d.plug(self.instance, self.vif_iovisor)
execute.assert_has_calls([
mock.call('ifc_ctl', 'gateway', 'add_port',
'tap-xxx-yyy-zzz', run_as_root=True),
mock.call('ifc_ctl', 'gateway', 'ifup',
'tap-xxx-yyy-zzz',
'access_vm', self.vif_iovisor['id'],
self.vif_iovisor['address'],
'pgtag2=%s' % self.vif_iovisor['network']['id'],
'pgtag1=%s' % self.instance.project_id,
run_as_root=True)])
def test_unplug_vrouter_with_details(self):
d = vif.LibvirtGenericVIFDriver()
with mock.patch.object(utils, 'execute') as execute:
d.unplug(self.instance, self.vif_vrouter)
execute.assert_called_once_with(
'vrouter-port-control',
'--oper=delete --uuid=vif-xxx-yyy-zzz',
run_as_root=True)
def test_plug_vrouter_with_details(self):
d = vif.LibvirtGenericVIFDriver()
instance = mock.Mock()
instance.name = 'instance-name'
instance.uuid = '46a4308b-e75a-4f90-a34a-650c86ca18b2'
instance.project_id = 'b168ea26fa0c49c1a84e1566d9565fa5'
instance.display_name = 'instance1'
with mock.patch.object(utils, 'execute') as execute:
d.plug(instance, self.vif_vrouter)
execute.assert_has_calls([
mock.call('ip', 'tuntap', 'add', 'tap-xxx-yyy-zzz', 'mode',
'tap', run_as_root=True, check_exit_code=[0, 2, 254]),
mock.call('ip', 'link', 'set', 'tap-xxx-yyy-zzz', 'up',
run_as_root=True, check_exit_code=[0, 2, 254]),
mock.call('vrouter-port-control',
'--oper=add --uuid=vif-xxx-yyy-zzz '
'--instance_uuid=46a4308b-e75a-4f90-a34a-650c86ca18b2 '
'--vn_uuid=network-id-xxx-yyy-zzz '
'--vm_project_uuid=b168ea26fa0c49c1a84e1566d9565fa5 '
'--ip_address=0.0.0.0 '
'--ipv6_address=None '
'--vm_name=instance1 '
'--mac=ca:fe:de:ad:be:ef '
'--tap_name=tap-xxx-yyy-zzz '
'--port_type=NovaVMPort '
'--tx_vlan_id=-1 '
'--rx_vlan_id=-1', run_as_root=True)])
def test_ivs_ethernet_driver(self):
d = vif.LibvirtGenericVIFDriver()
self._check_ivs_ethernet_driver(d,
self.vif_ivs,
"tap")
def _check_ivs_virtualport_driver(self, d, vif, want_iface_id):
self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver")
xml = self._get_instance_xml(d, vif)
node = self._get_node(xml)
self._assertTypeAndMacEquals(node, "ethernet", "target", "dev",
vif, vif['devname'])
def _check_ovs_virtualport_driver(self, d, vif, want_iface_id):
self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver")
xml = self._get_instance_xml(d, vif)
node = self._get_node(xml)
self._assertTypeAndMacEquals(node, "bridge", "source", "bridge",
vif, "br0")
vp = node.find("virtualport")
self.assertEqual(vp.get("type"), "openvswitch")
iface_id_found = False
for p_elem in vp.findall("parameters"):
iface_id = p_elem.get("interfaceid", None)
if iface_id:
self.assertEqual(iface_id, want_iface_id)
iface_id_found = True
self.assertTrue(iface_id_found)
def test_generic_ovs_virtualport_driver(self):
d = vif.LibvirtGenericVIFDriver()
want_iface_id = self.vif_ovs['ovs_interfaceid']
self._check_ovs_virtualport_driver(d,
self.vif_ovs,
want_iface_id)
def test_generic_ivs_virtualport_driver(self):
d = vif.LibvirtGenericVIFDriver()
want_iface_id = self.vif_ivs['ovs_interfaceid']
self._check_ivs_virtualport_driver(d,
self.vif_ivs,
want_iface_id)
def test_ivs_plug_with_nova_firewall(self):
d = vif.LibvirtGenericVIFDriver()
br_want = "qbr" + self.vif_ivs['id']
br_want = br_want[:network_model.NIC_NAME_LEN]
xml = self._get_instance_xml(d, self.vif_ivs)
node = self._get_node(xml)
self._assertTypeAndMacEquals(node, "bridge", "source", "bridge",
self.vif_ivs, br_want, 1)
def test_ivs_plug_with_port_filter_direct_no_nova_firewall(self):
d = vif.LibvirtGenericVIFDriver()
br_want = "qbr" + self.vif_ivs_filter_hybrid['id']
br_want = br_want[:network_model.NIC_NAME_LEN]
self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver")