os-vif/vif_plug_ovs/tests/unit/test_plugin.py

430 lines
19 KiB
Python

# 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 mock
import testtools
from os_vif import objects
from os_vif.objects import fields
from vif_plug_ovs import constants
from vif_plug_ovs import linux_net
from vif_plug_ovs import ovs
class PluginTest(testtools.TestCase):
def __init__(self, *args, **kwargs):
super(PluginTest, self).__init__(*args, **kwargs)
objects.register_all()
self.subnet_bridge_4 = objects.subnet.Subnet(
cidr='101.168.1.0/24',
dns=['8.8.8.8'],
gateway='101.168.1.1',
dhcp_server='191.168.1.1')
self.subnet_bridge_6 = objects.subnet.Subnet(
cidr='101:1db9::/64',
gateway='101:1db9::1')
self.subnets = objects.subnet.SubnetList(
objects=[self.subnet_bridge_4,
self.subnet_bridge_6])
self.network_ovs = objects.network.Network(
id='437c6db5-4e6f-4b43-b64b-ed6a11ee5ba7',
bridge='br0',
subnets=self.subnets,
vlan=99)
self.network_ovs_mtu = objects.network.Network(
id='437c6db5-4e6f-4b43-b64b-ed6a11ee5ba7',
bridge='br0',
subnets=self.subnets,
vlan=99,
mtu=1234)
self.profile_ovs = objects.vif.VIFPortProfileOpenVSwitch(
interface_id='e65867e0-9340-4a7f-a256-09af6eb7a3aa',
datapath_type='netdev')
self.profile_ovs_no_datatype = objects.vif.VIFPortProfileOpenVSwitch(
interface_id='e65867e0-9340-4a7f-a256-09af6eb7a3aa',
datapath_type='')
self.vif_ovs_hybrid = objects.vif.VIFBridge(
id='b679325f-ca89-4ee0-a8be-6db1409b69ea',
address='ca:fe:de:ad:be:ef',
network=self.network_ovs,
dev_name='tap-xxx-yyy-zzz',
bridge_name="qbrvif-xxx-yyy",
port_profile=self.profile_ovs_no_datatype)
self.vif_ovs = objects.vif.VIFOpenVSwitch(
id='b679325f-ca89-4ee0-a8be-6db1409b69ea',
address='ca:fe:de:ad:be:ef',
network=self.network_ovs,
dev_name='tap-xxx-yyy-zzz',
port_profile=self.profile_ovs)
self.vif_vhostuser = objects.vif.VIFVHostUser(
id='b679325f-ca89-4ee0-a8be-6db1409b69ea',
address='ca:fe:de:ad:be:ef',
network=self.network_ovs,
path='/var/run/openvswitch/vhub679325f-ca',
mode='client',
port_profile=self.profile_ovs)
self.vif_vhostuser_client = objects.vif.VIFVHostUser(
id='b679325f-ca89-4ee0-a8be-6db1409b69ea',
address='ca:fe:de:ad:be:ef',
network=self.network_ovs,
path='/var/run/openvswitch/vhub679325f-ca',
mode='server', # qemu server mode <=> ovs client mode
port_profile=self.profile_ovs)
self.vif_ovs_vf_passthrough = objects.vif.VIFHostDevice(
id='b679325f-ca89-4ee0-a8be-6db1409b69ea',
address='ca:fe:de:ad:be:ef',
network=self.network_ovs,
dev_type=fields.VIFHostDeviceDevType.ETHERNET,
dev_address='0002:24:12.3',
bridge_name='br-int',
port_profile=self.profile_ovs)
self.instance = objects.instance_info.InstanceInfo(
name='demo',
uuid='f0000000-0000-0000-0000-000000000001')
def test__get_vif_datapath_type(self):
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
dp_type = plugin._get_vif_datapath_type(
self.vif_ovs, datapath=constants.OVS_DATAPATH_SYSTEM)
self.assertEqual(self.profile_ovs.datapath_type, dp_type)
dp_type = plugin._get_vif_datapath_type(
self.vif_ovs_hybrid, datapath=constants.OVS_DATAPATH_SYSTEM)
self.assertEqual(constants.OVS_DATAPATH_SYSTEM, dp_type)
@mock.patch.object(linux_net, 'create_ovs_vif_port')
def test_create_vif_port(self, mock_create_ovs_vif_port):
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin._create_vif_port(
self.vif_ovs, mock.sentinel.vif_name, self.instance,
interface_type=constants.OVS_VHOSTUSER_INTERFACE_TYPE)
mock_create_ovs_vif_port.assert_called_once_with(
self.vif_ovs.network.bridge, mock.sentinel.vif_name,
self.vif_ovs.port_profile.interface_id,
self.vif_ovs.address, self.instance.uuid,
plugin.config.network_device_mtu,
ovsdb_connection=plugin.config.ovsdb_connection,
timeout=plugin.config.ovs_vsctl_timeout,
interface_type=constants.OVS_VHOSTUSER_INTERFACE_TYPE)
@mock.patch.object(linux_net, 'create_ovs_vif_port')
def test_create_vif_port_mtu_in_model(self, mock_create_ovs_vif_port):
self.vif_ovs.network = self.network_ovs_mtu
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin._create_vif_port(
self.vif_ovs, mock.sentinel.vif_name, self.instance,
interface_type=constants.OVS_VHOSTUSER_INTERFACE_TYPE)
mock_create_ovs_vif_port.assert_called_once_with(
self.vif_ovs.network.bridge, mock.sentinel.vif_name,
self.vif_ovs.port_profile.interface_id,
self.vif_ovs.address, self.instance.uuid,
self.network_ovs_mtu.mtu,
ovsdb_connection=plugin.config.ovsdb_connection,
timeout=plugin.config.ovs_vsctl_timeout,
interface_type=constants.OVS_VHOSTUSER_INTERFACE_TYPE)
@mock.patch.object(ovs, 'sys')
@mock.patch.object(linux_net, 'ensure_ovs_bridge')
def test_plug_ovs(self, ensure_ovs_bridge, mock_sys):
mock_sys.platform = 'linux'
plug_bridge_mock = mock.Mock()
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin._plug_bridge = plug_bridge_mock
plugin.plug(self.vif_ovs, self.instance)
dp_type = ovs.OvsPlugin._get_vif_datapath_type(self.vif_ovs)
ensure_ovs_bridge.assert_called_once_with(self.vif_ovs.network.bridge,
dp_type, ovsdb_connection=None, timeout=120)
@mock.patch.object(linux_net, 'set_interface_state')
@mock.patch.object(linux_net, 'ensure_ovs_bridge')
@mock.patch.object(ovs.OvsPlugin, '_update_vif_port')
@mock.patch.object(ovs.OvsPlugin, '_create_vif_port')
@mock.patch.object(linux_net, 'add_bridge_port')
@mock.patch.object(linux_net, 'update_veth_pair')
@mock.patch.object(linux_net, 'create_veth_pair')
@mock.patch.object(linux_net, 'device_exists')
@mock.patch.object(linux_net, 'ensure_bridge')
@mock.patch.object(ovs, 'sys')
def test_plug_ovs_bridge(self, mock_sys, ensure_bridge, device_exists,
create_veth_pair, update_veth_pair,
add_bridge_port, _create_vif_port,
_update_vif_port, ensure_ovs_bridge,
set_interface_state):
dp_type = ovs.OvsPlugin._get_vif_datapath_type(self.vif_ovs_hybrid)
calls = {
'device_exists': [mock.call('qvob679325f-ca')],
'create_veth_pair': [mock.call('qvbb679325f-ca',
'qvob679325f-ca',
1500)],
'update_veth_pair': [mock.call('qvbb679325f-ca',
'qvob679325f-ca',
1500)],
'ensure_bridge': [mock.call('qbrvif-xxx-yyy')],
'set_interface_state': [mock.call('qbrvif-xxx-yyy',
'up')],
'add_bridge_port': [mock.call('qbrvif-xxx-yyy',
'qvbb679325f-ca')],
'_update_vif_port': [mock.call(self.vif_ovs_hybrid,
'qvob679325f-ca')],
'_create_vif_port': [mock.call(self.vif_ovs_hybrid,
'qvob679325f-ca',
self.instance)],
'ensure_ovs_bridge': [mock.call('br0', dp_type,
ovsdb_connection=None,
timeout=120)]
}
# plugging new devices should result in devices being created
device_exists.return_value = False
mock_sys.platform = 'linux'
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.plug(self.vif_ovs_hybrid, self.instance)
ensure_bridge.assert_has_calls(calls['ensure_bridge'])
device_exists.assert_has_calls(calls['device_exists'])
create_veth_pair.assert_has_calls(calls['create_veth_pair'])
update_veth_pair.assert_not_called()
_update_vif_port.assert_not_called()
add_bridge_port.assert_has_calls(calls['add_bridge_port'])
_create_vif_port.assert_has_calls(calls['_create_vif_port'])
ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
# reset call stacks
create_veth_pair.reset_mock()
_create_vif_port.reset_mock()
# plugging existing devices should result in devices being updated
device_exists.return_value = True
self.assertTrue(linux_net.device_exists('test'))
plugin.plug(self.vif_ovs_hybrid, self.instance)
create_veth_pair.assert_not_called()
_create_vif_port.assert_not_called()
update_veth_pair.assert_has_calls(calls['update_veth_pair'])
_update_vif_port.assert_has_calls(calls['_update_vif_port'])
@mock.patch.object(linux_net, 'ensure_ovs_bridge')
@mock.patch.object(ovs.OvsPlugin, '_create_vif_port')
@mock.patch.object(linux_net, 'device_exists', return_value=False)
@mock.patch.object(ovs, 'sys')
def _check_plug_ovs_windows(self, vif, mock_sys, device_exists,
_create_vif_port, ensure_ovs_bridge):
dp_type = ovs.OvsPlugin._get_vif_datapath_type(vif)
calls = {
'device_exists': [mock.call(vif.id)],
'_create_vif_port': [mock.call(vif, vif.id, self.instance)],
'ensure_ovs_bridge': [mock.call('br0', dp_type)]
}
mock_sys.platform = constants.PLATFORM_WIN32
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.plug(vif, self.instance)
device_exists.assert_has_calls(calls['device_exists'])
_create_vif_port.assert_has_calls(calls['_create_vif_port'])
ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
def test_plug_ovs_windows(self):
self._check_plug_ovs_windows(self.vif_ovs)
def test_plug_ovs_bridge_windows(self):
self._check_plug_ovs_windows(self.vif_ovs_hybrid)
def test_unplug_ovs(self):
unplug_bridge_mock = mock.Mock()
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin._unplug_bridge = unplug_bridge_mock
plugin.unplug(self.vif_ovs, self.instance)
unplug_bridge_mock.assert_not_called()
@mock.patch.object(linux_net, 'delete_ovs_vif_port')
@mock.patch.object(linux_net, 'delete_bridge')
@mock.patch.object(ovs, 'sys')
def test_unplug_ovs_bridge(self, mock_sys, delete_bridge,
delete_ovs_vif_port):
calls = {
'delete_bridge': [mock.call('qbrvif-xxx-yyy', 'qvbb679325f-ca')],
'delete_ovs_vif_port': [mock.call('br0', 'qvob679325f-ca',
ovsdb_connection=None, timeout=120)]
}
mock_sys.platform = 'linux'
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.unplug(self.vif_ovs_hybrid, self.instance)
delete_bridge.assert_has_calls(calls['delete_bridge'])
delete_ovs_vif_port.assert_has_calls(calls['delete_ovs_vif_port'])
@mock.patch.object(linux_net, 'delete_ovs_vif_port')
@mock.patch.object(ovs, 'sys')
def _check_unplug_ovs_windows(self, vif, mock_sys, delete_ovs_vif_port):
mock_sys.platform = constants.PLATFORM_WIN32
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.unplug(vif, self.instance)
delete_ovs_vif_port.assert_called_once_with('br0', vif.id,
ovsdb_connection=None, timeout=120)
def test_unplug_ovs_windows(self):
self._check_unplug_ovs_windows(self.vif_ovs)
def test_unplug_ovs_bridge_windows(self):
self._check_unplug_ovs_windows(self.vif_ovs_hybrid)
@mock.patch.object(linux_net, 'ensure_ovs_bridge')
@mock.patch.object(ovs.OvsPlugin, '_create_vif_port')
def test_plug_ovs_vhostuser(self, _create_vif_port, ensure_ovs_bridge):
dp_type = ovs.OvsPlugin._get_vif_datapath_type(self.vif_vhostuser)
calls = {
'_create_vif_port': [mock.call(
self.vif_vhostuser, 'vhub679325f-ca',
self.instance,
interface_type='dpdkvhostuser')],
'ensure_ovs_bridge': [mock.call('br0', dp_type)]
}
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.plug(self.vif_vhostuser, self.instance)
_create_vif_port.assert_has_calls(calls['_create_vif_port'])
ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
@mock.patch.object(linux_net, 'ensure_ovs_bridge')
@mock.patch.object(linux_net, 'create_ovs_vif_port')
def test_plug_ovs_vhostuser_client(self, create_ovs_vif_port,
ensure_ovs_bridge):
dp_type = ovs.OvsPlugin._get_vif_datapath_type(
self.vif_vhostuser_client)
calls = {
'create_ovs_vif_port': [
mock.call(
'br0', 'vhub679325f-ca',
'e65867e0-9340-4a7f-a256-09af6eb7a3aa',
'ca:fe:de:ad:be:ef',
'f0000000-0000-0000-0000-000000000001',
1500, interface_type='dpdkvhostuserclient',
vhost_server_path='/var/run/openvswitch/vhub679325f-ca',
ovsdb_connection=None,
timeout=120)],
'ensure_ovs_bridge': [mock.call('br0', dp_type)]
}
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.plug(self.vif_vhostuser_client, self.instance)
create_ovs_vif_port.assert_has_calls(calls['create_ovs_vif_port'])
ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
@mock.patch.object(linux_net, 'delete_ovs_vif_port')
def test_unplug_ovs_vhostuser(self, delete_ovs_vif_port):
calls = {
'delete_ovs_vif_port': [mock.call('br0', 'vhub679325f-ca',
ovsdb_connection=None, timeout=120)]
}
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.unplug(self.vif_vhostuser, self.instance)
delete_ovs_vif_port.assert_has_calls(calls['delete_ovs_vif_port'])
@mock.patch.object(linux_net, 'ensure_ovs_bridge')
@mock.patch.object(linux_net, 'get_ifname_by_pci_address')
@mock.patch.object(linux_net, 'get_vf_num_by_pci_address')
@mock.patch.object(linux_net, 'get_representor_port')
@mock.patch.object(linux_net, 'set_interface_state')
@mock.patch.object(ovs.OvsPlugin, '_create_vif_port')
def test_plug_ovs_vf_passthrough(self, _create_vif_port,
set_interface_state,
get_representor_port,
get_vf_num_by_pci_address,
get_ifname_by_pci_address,
ensure_ovs_bridge):
get_ifname_by_pci_address.return_value = 'eth0'
get_vf_num_by_pci_address.return_value = '2'
get_representor_port.return_value = 'eth0_2'
calls = {
'ensure_ovs_bridge': [mock.call('br0',
constants.OVS_DATAPATH_SYSTEM,
ovsdb_connection=None,
timeout=120)],
'get_ifname_by_pci_address': [mock.call('0002:24:12.3',
pf_interface=True,
switchdev=True)],
'get_vf_num_by_pci_address': [mock.call('0002:24:12.3')],
'get_representor_port': [mock.call('eth0', '2')],
'set_interface_state': [mock.call('eth0_2', 'up')],
'_create_vif_port': [mock.call(
self.vif_ovs_vf_passthrough, 'eth0_2',
self.instance)]
}
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.plug(self.vif_ovs_vf_passthrough, self.instance)
ensure_ovs_bridge.assert_has_calls(calls['ensure_ovs_bridge'])
get_ifname_by_pci_address.assert_has_calls(
calls['get_ifname_by_pci_address'])
get_vf_num_by_pci_address.assert_has_calls(
calls['get_vf_num_by_pci_address'])
get_representor_port.assert_has_calls(
calls['get_representor_port'])
set_interface_state.assert_has_calls(calls['set_interface_state'])
_create_vif_port.assert_has_calls(calls['_create_vif_port'])
@mock.patch.object(linux_net, 'get_ifname_by_pci_address')
@mock.patch.object(linux_net, 'get_vf_num_by_pci_address')
@mock.patch.object(linux_net, 'get_representor_port')
@mock.patch.object(linux_net, 'set_interface_state')
@mock.patch.object(linux_net, 'delete_ovs_vif_port')
def test_unplug_ovs_vf_passthrough(self, delete_ovs_vif_port,
set_interface_state,
get_representor_port,
get_vf_num_by_pci_address,
get_ifname_by_pci_address):
calls = {
'get_ifname_by_pci_address': [mock.call('0002:24:12.3',
pf_interface=True,
switchdev=True)],
'get_vf_num_by_pci_address': [mock.call('0002:24:12.3')],
'get_representor_port': [mock.call('eth0', '2')],
'set_interface_state': [mock.call('eth0_2', 'down')],
'delete_ovs_vif_port': [mock.call('br0', 'eth0_2', timeout=120,
ovsdb_connection=None,
delete_netdev=False)]
}
get_ifname_by_pci_address.return_value = 'eth0'
get_vf_num_by_pci_address.return_value = '2'
get_representor_port.return_value = 'eth0_2'
plugin = ovs.OvsPlugin.load(constants.PLUGIN_NAME)
plugin.unplug(self.vif_ovs_vf_passthrough, self.instance)
get_ifname_by_pci_address.assert_has_calls(
calls['get_ifname_by_pci_address'])
get_vf_num_by_pci_address.assert_has_calls(
calls['get_vf_num_by_pci_address'])
get_representor_port.assert_has_calls(
calls['get_representor_port'])
delete_ovs_vif_port.assert_has_calls(calls['delete_ovs_vif_port'])
set_interface_state.assert_has_calls(calls['set_interface_state'])