# 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 os import fixtures from lxml import etree import mock 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.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_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') 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' } 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.stubs.Set(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 _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): self.flags(use_virtio_for_bridges=True, virt_type='kvm', group='libvirt') flavor = objects.Flavor(name='m1.small', memory_mb=128, vcpus=4, 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, '4') 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, self.vif_bridge, 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_ivs_ethernet(None, self.vif_ovs) def _test_plug_ovs_hybrid(self, ipv6_exists): calls = { 'device_exists': [mock.call('qbrvif-xxx-yyy'), mock.call('qvovif-xxx-yyy')], '_create_veth_pair': [mock.call('qvbvif-xxx-yyy', 'qvovif-xxx-yyy', 1000)], '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])], 'create_ovs_vif_port': [mock.call( 'br0', 'qvovif-xxx-yyy', 'aaa-bbb-ccc', 'ca:fe:de:ad:be:ef', 'f0000000-0000-0000-0000-000000000001', 1000)] } # The disable_ipv6 call needs to be added in the middle, if required if ipv6_exists: calls['execute'].extend([ 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])]) calls['execute'].extend([ 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)]) 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_ovs_vif_port'), mock.patch.object(os.path, 'exists', return_value=ipv6_exists) ) as (device_exists, execute, _create_veth_pair, create_ovs_vif_port, path_exists): d = vif.LibvirtGenericVIFDriver() d.plug_ovs_hybrid(self.instance, self.vif_ovs) 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_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port']) def test_plug_ovs_hybrid_ipv6(self): self._test_plug_ovs_hybrid(ipv6_exists=True) def test_plug_ovs_hybrid_no_ipv6(self): self._test_plug_ovs_hybrid(ipv6_exists=False) def test_unplug_ovs_hybrid(self): calls = { 'device_exists': [mock.call('qbrvif-xxx-yyy')], '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_ovs_vif_port': [mock.call('br0', 'qvovif-xxx-yyy')] } with test.nested( mock.patch.object(linux_net, 'device_exists', return_value=True), mock.patch.object(utils, 'execute'), mock.patch.object(linux_net, 'delete_ovs_vif_port') ) as (device_exists, execute, delete_ovs_vif_port): d = vif.LibvirtGenericVIFDriver() d.unplug_ovs_hybrid(None, self.vif_ovs) device_exists.assert_has_calls(calls['device_exists']) execute.assert_has_calls(calls['execute']) delete_ovs_vif_port.assert_has_calls(calls['delete_ovs_vif_port']) @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(None, 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_hw_veb, 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_hw_veb, 0) def test_unplug_ovs_hybrid_bridge_does_not_exist(self): calls = { 'device_exists': [mock.call('qbrvif-xxx-yyy')], 'delete_ovs_vif_port': [mock.call('br0', 'qvovif-xxx-yyy')] } with test.nested( mock.patch.object(linux_net, 'device_exists', return_value=False), mock.patch.object(linux_net, 'delete_ovs_vif_port') ) as (device_exists, delete_ovs_vif_port): d = vif.LibvirtGenericVIFDriver() d.unplug_ovs_hybrid(None, self.vif_ovs) device_exists.assert_has_calls(calls['device_exists']) delete_ovs_vif_port.assert_has_calls(calls['delete_ovs_vif_port']) 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_ivs_hybrid(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_ivs_hybrid(None, 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_ivs_hybrid(None, self.vif_ivs) def test_unplug_iovisor(self): d = vif.LibvirtGenericVIFDriver() with mock.patch.object(utils, 'execute') as execute: execute.side_effect = processutils.ProcessExecutionError mynetwork = network_model.Network(id='network-id-xxx-yyy-zzz', label='mylabel') myvif = network_model.VIF(id='vif-xxx-yyy-zzz', address='ca:fe:de:ad:be:ef', network=mynetwork) d.unplug_iovisor(None, myvif) @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: execute.side_effect = processutils.ProcessExecutionError instance = objects.Instance(id=1, uuid='f0000000-0000-0000-0000-000000000001', project_id='myproject') d.plug_iovisor(instance, self.vif_ivs) def test_unplug_vrouter_with_details(self): d = vif.LibvirtGenericVIFDriver() with mock.patch.object(utils, 'execute') as execute: d.unplug_vrouter(None, 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_vrouter(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") xml = self._get_instance_xml(d, self.vif_ivs_filter_hybrid) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "bridge", "source", "bridge", self.vif_ivs_filter_hybrid, br_want, 0) def test_ivs_plug_with_port_filter_hybrid_no_nova_firewall(self): d = vif.LibvirtGenericVIFDriver() br_want = self.vif_ivs_filter_direct['devname'] self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver") xml = self._get_instance_xml(d, self.vif_ivs_filter_direct) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "ethernet", "target", "dev", self.vif_ivs_filter_direct, br_want, 0) def test_hybrid_plug_without_nova_firewall(self): d = vif.LibvirtGenericVIFDriver() br_want = "qbr" + self.vif_ovs_hybrid['id'] br_want = br_want[:network_model.NIC_NAME_LEN] self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver") xml = self._get_instance_xml(d, self.vif_ovs_hybrid) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "bridge", "source", "bridge", self.vif_ovs_hybrid, br_want, 0) def test_direct_plug_with_port_filter_cap_no_nova_firewall(self): d = vif.LibvirtGenericVIFDriver() br_want = self.vif_midonet['devname'] xml = self._get_instance_xml(d, self.vif_ovs_filter_cap) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "bridge", "target", "dev", self.vif_ovs_filter_cap, br_want) def _check_neutron_hybrid_driver(self, d, vif, br_want): self.flags(firewall_driver="nova.virt.firewall.IptablesFirewallDriver") xml = self._get_instance_xml(d, vif) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "bridge", "source", "bridge", vif, br_want, 1) def test_generic_hybrid_driver(self): d = vif.LibvirtGenericVIFDriver() br_want = "qbr" + self.vif_ovs['id'] br_want = br_want[:network_model.NIC_NAME_LEN] self._check_neutron_hybrid_driver(d, self.vif_ovs, br_want) def test_ivs_hybrid_driver(self): d = vif.LibvirtGenericVIFDriver() br_want = "qbr" + self.vif_ivs['id'] br_want = br_want[:network_model.NIC_NAME_LEN] self._check_neutron_hybrid_driver(d, self.vif_ivs, br_want) def test_ib_hostdev_driver(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_ib_hostdev) doc = etree.fromstring(xml) node = doc.findall('./devices/hostdev')[0] self.assertEqual(1, len(node)) self._assertPciEqual(node, self.vif_ib_hostdev) def test_midonet_ethernet_vif_driver(self): d = vif.LibvirtGenericVIFDriver() self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver") br_want = self.vif_midonet['devname'] xml = self._get_instance_xml(d, self.vif_midonet) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "ethernet", "target", "dev", self.vif_midonet, br_want) def test_tap_ethernet_vif_driver(self): d = vif.LibvirtGenericVIFDriver() br_want = self.vif_tap['devname'] xml = self._get_instance_xml(d, self.vif_tap) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "ethernet", "target", "dev", self.vif_tap, br_want) @mock.patch('nova.network.linux_net.device_exists') def test_plug_tap(self, device_exists): device_exists.return_value = True d = vif.LibvirtGenericVIFDriver() d.plug_tap(None, self.vif_tap) def test_unplug_tap(self): d = vif.LibvirtGenericVIFDriver() d.unplug_tap(None, self.vif_tap) def test_generic_8021qbh_driver(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_8021qbh) node = self._get_node(xml) self._assertTypeAndPciEquals(node, "hostdev", self.vif_8021qbh) self._assertMacEquals(node, self.vif_8021qbh) vp = node.find("virtualport") self.assertEqual(vp.get("type"), "802.1Qbh") profile_id_found = False for p_elem in vp.findall("parameters"): details = self.vif_8021qbh["details"] profile_id = p_elem.get("profileid", None) if profile_id: self.assertEqual(profile_id, details[network_model.VIF_DETAILS_PROFILEID]) profile_id_found = True self.assertTrue(profile_id_found) def test_hw_veb_driver(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_hw_veb) node = self._get_node(xml) self._assertTypeAndPciEquals(node, "hostdev", self.vif_hw_veb) self._assertMacEquals(node, self.vif_hw_veb) vlan = node.find("vlan").find("tag").get("id") vlan_want = self.vif_hw_veb["details"]["vlan"] self.assertEqual(vlan, vlan_want) @mock.patch.object(pci_utils, 'get_ifname_by_pci_address', return_value='eth1') def test_hw_veb_driver_macvtap(self, mock_get_ifname): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_hw_veb_macvtap) node = self._get_node(xml) self.assertEqual(node.get("type"), "direct") self._assertTypeEquals(node, "direct", "source", "dev", "eth1") self._assertTypeEquals(node, "direct", "source", "mode", "passthrough") self._assertMacEquals(node, self.vif_hw_veb_macvtap) vlan = node.find("vlan") self.assertIsNone(vlan) def test_driver_macvtap_vlan(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_macvtap_vlan) node = self._get_node(xml) self.assertEqual(node.get("type"), "direct") self._assertTypeEquals(node, "direct", "source", "dev", "eth0.1") self._assertTypeEquals(node, "direct", "source", "mode", "vepa") self._assertMacEquals(node, self.vif_macvtap_vlan) def test_driver_macvtap_flat(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_macvtap_flat) node = self._get_node(xml) self.assertEqual(node.get("type"), "direct") self._assertTypeEquals(node, "direct", "source", "dev", "eth0") self._assertTypeEquals(node, "direct", "source", "mode", "bridge") self._assertMacEquals(node, self.vif_macvtap_flat) def test_driver_macvtap_exception(self): d = vif.LibvirtGenericVIFDriver() e = self.assertRaises(exception.VifDetailsMissingMacvtapParameters, self._get_instance_xml, d, self.vif_macvtap_exception) self.assertIn('macvtap_source', six.text_type(e)) self.assertIn('macvtap_mode', six.text_type(e)) self.assertIn('physical_interface', six.text_type(e)) @mock.patch.object(linux_net.LinuxBridgeInterfaceDriver, 'ensure_vlan') def test_macvtap_plug_vlan(self, ensure_vlan_mock): d = vif.LibvirtGenericVIFDriver() d.plug_macvtap(self.instance, self.vif_macvtap_vlan) ensure_vlan_mock.assert_called_once_with('1', 'eth0', interface='eth0.1') @mock.patch.object(linux_net.LinuxBridgeInterfaceDriver, 'ensure_vlan') def test_macvtap_plug_flat(self, ensure_vlan_mock): d = vif.LibvirtGenericVIFDriver() d.plug_macvtap(self.instance, self.vif_macvtap_flat) self.assertFalse(ensure_vlan_mock.called) def test_generic_iovisor_driver(self): d = vif.LibvirtGenericVIFDriver() self.flags(firewall_driver="nova.virt.firewall.NoopFirewallDriver") br_want = self.vif_ivs['devname'] xml = self._get_instance_xml(d, self.vif_ivs) node = self._get_node(xml) self._assertTypeAndMacEquals(node, "ethernet", "target", "dev", self.vif_ivs, br_want) def test_generic_8021qbg_driver(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_8021qbg) node = self._get_node(xml) self._assertTypeEquals(node, "direct", "source", "dev", "eth0") self._assertMacEquals(node, self.vif_8021qbg) vp = node.find("virtualport") self.assertEqual(vp.get("type"), "802.1Qbg") manager_id_found = False type_id_found = False typeversion_id_found = False instance_id_found = False for p_elem in vp.findall("parameters"): wantparams = self.vif_8021qbg['qbg_params'] manager_id = p_elem.get("managerid", None) type_id = p_elem.get("typeid", None) typeversion_id = p_elem.get("typeidversion", None) instance_id = p_elem.get("instanceid", None) if manager_id: self.assertEqual(manager_id, wantparams['managerid']) manager_id_found = True if type_id: self.assertEqual(type_id, wantparams['typeid']) type_id_found = True if typeversion_id: self.assertEqual(typeversion_id, wantparams['typeidversion']) typeversion_id_found = True if instance_id: self.assertEqual(instance_id, wantparams['instanceid']) instance_id_found = True self.assertTrue(manager_id_found) self.assertTrue(type_id_found) self.assertTrue(typeversion_id_found) self.assertTrue(instance_id_found) def test_vhostuser_driver(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_vhostuser) node = self._get_node(xml) self.assertEqual(node.get("type"), network_model.VIF_TYPE_VHOSTUSER) self._assertTypeEquals(node, network_model.VIF_TYPE_VHOSTUSER, "source", "mode", "client") self._assertTypeEquals(node, network_model.VIF_TYPE_VHOSTUSER, "source", "path", "/tmp/vif-xxx-yyy-zzz") self._assertTypeEquals(node, network_model.VIF_TYPE_VHOSTUSER, "source", "type", "unix") self._assertMacEquals(node, self.vif_vhostuser) self._assertModel(xml, network_model.VIF_MODEL_VIRTIO) def test_vhostuser_no_queues(self): 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_vhostuser, image_meta) node = self._get_node(xml) self.assertEqual(node.get("type"), network_model.VIF_TYPE_VHOSTUSER) self._assertMacEquals(node, self.vif_vhostuser) driver = node.find("driver") self.assertIsNone(driver, None) def test_vhostuser_driver_no_path(self): d = vif.LibvirtGenericVIFDriver() self.assertRaises(exception.VifDetailsMissingVhostuserSockPath, self._get_instance_xml, d, self.vif_vhostuser_no_path) def test_vhostuser_driver_ovs(self): d = vif.LibvirtGenericVIFDriver() xml = self._get_instance_xml(d, self.vif_vhostuser_ovs) node = self._get_node(xml) self.assertEqual(node.get("type"), network_model.VIF_TYPE_VHOSTUSER) self._assertTypeEquals(node, network_model.VIF_TYPE_VHOSTUSER, "source", "mode", "client") self._assertTypeEquals(node, network_model.VIF_TYPE_VHOSTUSER, "source", "path", "/tmp/usv-xxx-yyy-zzz") self._assertTypeEquals(node, network_model.VIF_TYPE_VHOSTUSER, "source", "type", "unix") self._assertMacEquals(node, self.vif_vhostuser_ovs) self._assertModel(xml, network_model.VIF_MODEL_VIRTIO) @mock.patch.object(linux_net, 'create_fp_dev') def test_vhostuser_fp_plug(self, mock_create_fp_dev): d = vif.LibvirtGenericVIFDriver() d.plug_vhostuser(self.instance, self.vif_vhostuser_fp) mock_create_fp_dev.assert_has_calls( [mock.call('tap-xxx-yyy-zzz', '/tmp/usv-xxx-yyy-zzz', 'client')]) @mock.patch.object(linux_net, 'delete_fp_dev') def test_vhostuser_fp_unplug(self, mock_delete_fp_dev): d = vif.LibvirtGenericVIFDriver() d.unplug_vhostuser(None, self.vif_vhostuser_fp) mock_delete_fp_dev.assert_has_calls([mock.call('tap-xxx-yyy-zzz')]) def test_vhostuser_ovs_plug(self): calls = { 'create_ovs_vif_port': [ mock.call( 'br0', 'usv-xxx-yyy-zzz', 'aaa-bbb-ccc', 'ca:fe:de:ad:be:ef', 'f0000000-0000-0000-0000-000000000001', 9000, interface_type=network_model.OVS_VHOSTUSER_INTERFACE_TYPE )] } with mock.patch.object(linux_net, 'create_ovs_vif_port') as create_ovs_vif_port: d = vif.LibvirtGenericVIFDriver() d.plug_vhostuser(self.instance, self.vif_vhostuser_ovs) create_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port']) def test_vhostuser_ovs_unplug(self): calls = { 'delete_ovs_vif_port': [mock.call('br0', 'usv-xxx-yyy-zzz')] } with mock.patch.object(linux_net, 'delete_ovs_vif_port') as delete_port: d = vif.LibvirtGenericVIFDriver() d.unplug_vhostuser(None, self.vif_vhostuser_ovs) delete_port.assert_has_calls(calls['delete_ovs_vif_port']) def test_vhostuser_ovs_fp_plug(self): calls = { 'create_fp_dev': [mock.call('tap-xxx-yyy-zzz', '/tmp/usv-xxx-yyy-zzz', 'client')], 'create_ovs_vif_port': [mock.call( 'br0', 'tap-xxx-yyy-zzz', 'aaa-bbb-ccc', 'ca:fe:de:ad:be:ef', 'f0000000-0000-0000-0000-000000000001', 9000)] } with test.nested( mock.patch.object(linux_net, 'create_fp_dev'), mock.patch.object(linux_net, 'create_ovs_vif_port'), ) as (create_fp_dev, create_ovs_vif_port): d = vif.LibvirtGenericVIFDriver() d.plug_vhostuser(self.instance, self.vif_vhostuser_ovs_fp) create_fp_dev.assert_has_calls(calls['create_fp_dev']) create_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port']) def test_vhostuser_ovs_fp_unplug(self): calls = { 'delete_ovs_vif_port': [mock.call('br0', 'tap-xxx-yyy-zzz', False)], 'delete_fp_dev': [mock.call('tap-xxx-yyy-zzz')], } with test.nested( mock.patch.object(linux_net, 'delete_ovs_vif_port'), mock.patch.object(linux_net, 'delete_fp_dev') ) as (delete_ovs_port, delete_fp_dev): d = vif.LibvirtGenericVIFDriver() d.unplug_vhostuser(None, self.vif_vhostuser_ovs_fp) delete_ovs_port.assert_has_calls(calls['delete_ovs_vif_port']) delete_fp_dev.assert_has_calls(calls['delete_fp_dev']) def test_vhostuser_ovs_fp_hybrid_plug(self): calls = { 'create_fp_dev': [mock.call('tap-xxx-yyy-zzz', '/tmp/usv-xxx-yyy-zzz', 'client')], 'device_exists': [mock.call('tap-xxx-yyy-zzz'), mock.call('qbrvif-xxx-yyy'), mock.call('qvovif-xxx-yyy')], '_create_veth_pair': [mock.call('qvbvif-xxx-yyy', 'qvovif-xxx-yyy', 9000)], '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('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), mock.call('brctl', 'addif', 'qbrvif-xxx-yyy', 'tap-xxx-yyy-zzz', run_as_root=True)], 'create_ovs_vif_port': [mock.call( 'br0', 'qvovif-xxx-yyy', 'aaa-bbb-ccc', 'ca:fe:de:ad:be:ef', 'f0000000-0000-0000-0000-000000000001', 9000)] } with test.nested( mock.patch.object(linux_net, 'create_fp_dev'), 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_ovs_vif_port') ) as (create_fp_dev, device_exists, execute, _create_veth_pair, create_ovs_vif_port): d = vif.LibvirtGenericVIFDriver() d.plug_vhostuser(self.instance, self.vif_vhostuser_ovs_fp_hybrid) create_fp_dev.assert_has_calls(calls['create_fp_dev']) 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_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port']) def test_vhostuser_ovs_fp_hybrid_unplug(self): calls = { 'device_exists': [mock.call('qbrvif-xxx-yyy')], '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_ovs_vif_port': [mock.call('br0', 'qvovif-xxx-yyy')], 'delete_fp_dev': [mock.call('tap-xxx-yyy-zzz')] } with test.nested( mock.patch.object(linux_net, 'device_exists', return_value=True), mock.patch.object(utils, 'execute'), mock.patch.object(linux_net, 'delete_ovs_vif_port'), mock.patch.object(linux_net, 'delete_fp_dev') ) as (device_exists, execute, delete_ovs_vif_port, delete_fp_dev): d = vif.LibvirtGenericVIFDriver() d.unplug_vhostuser(None, self.vif_vhostuser_ovs_fp_hybrid) device_exists.assert_has_calls(calls['device_exists']) execute.assert_has_calls(calls['execute']) delete_ovs_vif_port.assert_has_calls(calls['delete_ovs_vif_port']) delete_fp_dev.assert_has_calls(calls['delete_fp_dev'])