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# 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 pyroute2 import iproute
from pyroute2.netlink import exceptions as ipexc
from pyroute2.netlink.rtnl import ifinfmsg
from os_vif import exception
from os_vif.internal.ip.linux import impl_pyroute2
from os_vif.tests.unit import base
class TestIpCommand(base.TestCase):
ERROR_CODE = 40
OTHER_ERROR_CODE = 50
DEVICE = 'device'
MTU = 1500
MAC = 'ca:fe:ca:fe:ca:fe'
UP = 'up'
TYPE_VETH = 'veth'
TYPE_VLAN = 'vlan'
TYPE_BRIDGE = 'bridge'
LINK = 'device2'
VLAN_ID = 14
def setUp(self):
super(TestIpCommand, self).setUp()
self.ip = impl_pyroute2.PyRoute2()
self.ip_link_p = mock.patch.object(iproute.IPRoute, 'link',
create=True)
self.ip_link = self.ip_link_p.start()
def test_set(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[1],
create=True) as mock_link_lookup:
self.ip_link.return_value = [{'flags': 0x4000}]
self.ip.set(self.DEVICE, state=self.UP, mtu=self.MTU,
address=self.MAC, promisc=True)
mock_link_lookup.assert_called_once_with(ifname=self.DEVICE)
args = {'state': self.UP,
'mtu': self.MTU,
'address': self.MAC,
'flags': 0x4000 | ifinfmsg.IFF_PROMISC}
calls = [mock.call('get', index=1),
mock.call('set', index=1, **args)]
self.ip_link.assert_has_calls(calls)
def test_set_exit_code(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[1],
create=True) as mock_link_lookup:
self.ip_link.side_effect = ipexc.NetlinkError(self.ERROR_CODE,
msg="Error message")
self.ip.set(self.DEVICE, check_exit_code=[self.ERROR_CODE])
mock_link_lookup.assert_called_once_with(ifname=self.DEVICE)
self.ip_link.assert_called_once_with('set', index=1)
self.assertRaises(ipexc.NetlinkError, self.ip.set, self.DEVICE,
check_exit_code=[self.OTHER_ERROR_CODE])
def test_set_no_interface_found(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[],
create=True) as mock_link_lookup:
self.assertRaises(exception.NetworkInterfaceNotFound, self.ip.set,
self.DEVICE)
mock_link_lookup.assert_called_once_with(ifname=self.DEVICE)
self.ip_link.assert_not_called()
def test_add_veth(self):
self.ip.add(self.DEVICE, self.TYPE_VETH, peer='peer')
self.ip_link.assert_called_once_with(
'add', ifname=self.DEVICE, kind=self.TYPE_VETH, peer='peer')
def test_add_vlan(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[1],
create=True) as mock_link_lookup:
self.ip.add(self.DEVICE, self.TYPE_VLAN, link=self.LINK,
vlan_id=self.VLAN_ID)
mock_link_lookup.assert_called_once_with(ifname=self.LINK)
args = {'ifname': self.DEVICE,
'kind': self.TYPE_VLAN,
'vlan_id': self.VLAN_ID,
'link': 1}
self.ip_link.assert_called_once_with('add', **args)
def test_add_bridge(self):
self.ip.add(self.DEVICE, self.TYPE_BRIDGE)
args = {'ifname': self.DEVICE,
'kind': self.TYPE_BRIDGE,
'IFLA_BR_FORWARD_DELAY': 0,
'IFLA_BR_STP_STATE': 0,
'IFLA_BR_MCAST_SNOOPING': 0}
self.ip_link.assert_called_once_with('add', **args)
def test_add_bridge_with_ageing(self):
self.ip.add(self.DEVICE, self.TYPE_BRIDGE, ageing=0)
args = {'ifname': self.DEVICE,
'kind': self.TYPE_BRIDGE,
'IFLA_BR_AGEING_TIME': 0,
'IFLA_BR_FORWARD_DELAY': 0,
'IFLA_BR_STP_STATE': 0,
'IFLA_BR_MCAST_SNOOPING': 0}
self.ip_link.assert_called_once_with('add', **args)
def test_add_vlan_no_interface_found(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[],
create=True) as mock_link_lookup:
self.assertRaises(exception.NetworkInterfaceNotFound, self.ip.add,
self.DEVICE, self.TYPE_VLAN, link=self.LINK)
mock_link_lookup.assert_called_once_with(ifname=self.LINK)
self.ip_link.assert_not_called()
def test_add_other_type(self):
self.assertRaises(exception.NetworkInterfaceTypeNotDefined,
self.ip.add, self.DEVICE, 'type_not_defined')
def test_add_exit_code(self):
self.ip_link.side_effect = ipexc.NetlinkError(self.ERROR_CODE,
msg="Error message")
self.ip.add(self.DEVICE, self.TYPE_VETH, peer='peer',
check_exit_code=[self.ERROR_CODE])
self.ip_link.assert_called_once_with(
'add', ifname=self.DEVICE, kind=self.TYPE_VETH, peer='peer')
self.assertRaises(
exception.NetworkInterfaceNotFound,
self.ip.add, self.DEVICE,
self.TYPE_VLAN, peer='peer',
check_exit_code=[self.OTHER_ERROR_CODE])
def test_delete(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[1],
create=True) as mock_link_lookup:
self.ip.delete(self.DEVICE)
mock_link_lookup.assert_called_once_with(ifname=self.DEVICE)
self.ip_link.assert_called_once_with('del', index=1)
def test_delete_no_interface_found(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[],
create=True) as mock_link_lookup:
self.assertRaises(exception.NetworkInterfaceNotFound,
self.ip.delete, self.DEVICE)
mock_link_lookup.assert_called_once_with(ifname=self.DEVICE)
def test_delete_exit_code(self):
with mock.patch.object(
iproute.IPRoute, 'link_lookup', return_value=[1],
create=True) as mock_link_lookup:
self.ip_link.side_effect = ipexc.NetlinkError(self.ERROR_CODE,
msg="Error message")
self.ip.delete(self.DEVICE, check_exit_code=[self.ERROR_CODE])
mock_link_lookup.assert_called_once_with(ifname=self.DEVICE)
self.ip_link.assert_called_once_with('del', index=1)
self.assertRaises(ipexc.NetlinkError, self.ip.delete, self.DEVICE,
check_exit_code=[self.OTHER_ERROR_CODE])
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