neutron/neutron/tests/unit/plugins/ml2/drivers/macvtap/agent/test_macvtap_neutron_agent.py

260 lines
12 KiB
Python

# Copyright (c) 2016 IBM Corp.
#
# All Rights Reserved.
#
# 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 sys
from unittest import mock
from neutron_lib.agent import topics
from neutron_lib import constants
from neutron_lib.utils import helpers
from oslo_config import cfg
from oslo_service import service
from neutron.agent.linux import ip_lib
from neutron.common import config as common_config
from neutron.plugins.ml2.drivers.agent import _agent_manager_base as amb
from neutron.plugins.ml2.drivers.macvtap.agent import macvtap_neutron_agent
from neutron.plugins.ml2.drivers.macvtap import macvtap_common
from neutron.tests import base
INTERFACE_MAPPINGS = {'physnet1': 'eth1'}
NETWORK_ID = 'net-id123'
NETWORK_SEGMENT_VLAN = amb.NetworkSegment('vlan', 'physnet1', 1)
NETWORK_SEGMENT_FLAT = amb.NetworkSegment('flat', 'physnet1', None)
class TestMacvtapRPCCallbacks(base.BaseTestCase):
def setUp(self):
super(TestMacvtapRPCCallbacks, self).setUp()
agent = mock.Mock()
agent.mgr = mock.Mock()
agent.mgr.interface_mappings = INTERFACE_MAPPINGS
self.rpc = macvtap_neutron_agent.MacvtapRPCCallBack(mock.Mock(), agent,
mock.Mock())
def test_network_delete_vlan(self):
self.rpc.network_map = {NETWORK_ID: NETWORK_SEGMENT_VLAN}
with mock.patch.object(ip_lib.IpLinkCommand, 'delete') as mock_del,\
mock.patch.object(macvtap_common, 'get_vlan_device_name',
return_value='vlan1'),\
mock.patch.object(ip_lib.IPDevice, 'exists',
return_value=True):
self.rpc.network_delete("anycontext", network_id=NETWORK_ID)
self.assertTrue(mock_del.called)
def test_network_delete_flat(self):
self.rpc.network_map = {NETWORK_ID: NETWORK_SEGMENT_FLAT}
with mock.patch.object(ip_lib.IpLinkCommand, 'delete') as mock_del:
self.rpc.network_delete(
"anycontext", network_id=NETWORK_SEGMENT_FLAT.segmentation_id)
self.assertFalse(mock_del.called)
def test_port_update(self):
port = {'id': 'port-id123', 'mac_address': 'mac1'}
self.rpc.port_update(context=None, port=port)
self.assertEqual(set(['mac1']), self.rpc.updated_devices)
class TestMacvtapManager(base.BaseTestCase):
def setUp(self):
super(TestMacvtapManager, self).setUp()
with mock.patch.object(ip_lib, 'device_exists', return_value=True):
self.mgr = macvtap_neutron_agent.MacvtapManager(INTERFACE_MAPPINGS)
def test_validate_interface_mappings_dev_exists(self):
good_mapping = {'physnet1': 'eth1', 'physnet2': 'eth2'}
self.mgr.interface_mappings = good_mapping
with mock.patch.object(ip_lib, 'device_exists', return_value=True)\
as mock_de:
self.mgr.validate_interface_mappings()
mock_de.assert_any_call('eth1')
mock_de.assert_any_call('eth2')
self.assertEqual(2, mock_de.call_count)
def test_validate_interface_mappings_dev_not_exists(self):
bad_mapping = {'physnet1': 'foo'}
self.mgr.interface_mappings = bad_mapping
with mock.patch.object(ip_lib, 'device_exists', return_value=False)\
as mock_de, mock.patch.object(sys, 'exit') as mock_exit:
self.mgr.validate_interface_mappings()
mock_de.assert_called_with('foo')
mock_exit.assert_called_once_with(1)
def _test_ensure_port_admin_state(self, admin_state):
dev = 'macvtap1'
mac = 'mac1'
self.mgr.mac_device_name_mappings = {mac: dev}
with mock.patch.object(ip_lib, 'IPDevice') as mock_ip_dev:
self.mgr.ensure_port_admin_state(mac, admin_state)
self.assertEqual(admin_state, mock_ip_dev(dev).link.set_up.called)
self.assertNotEqual(admin_state,
mock_ip_dev(dev).link.set_down.called)
def test_ensure_port_admin_state_up(self):
self._test_ensure_port_admin_state(True)
def test_ensure_port_admin_state_down(self):
self._test_ensure_port_admin_state(False)
def test_get_all_devices(self):
listing = ['foo', 'macvtap0', 'macvtap1', 'bar']
# set some mac mappings to make sure they are cleaned up
self.mgr.mac_device_name_mappings = {'foo': 'bar'}
with mock.patch.object(os, 'listdir',
return_value=listing) as mock_ld,\
mock.patch.object(ip_lib, 'get_device_mac') as mock_gdn:
mock_gdn.side_effect = ['mac0', 'mac1']
result = self.mgr.get_all_devices()
mock_ld.assert_called_once_with(macvtap_neutron_agent.MACVTAP_FS)
self.assertEqual(set(['mac0', 'mac1']), result)
self.assertEqual({'mac0': 'macvtap0', 'mac1': 'macvtap1'},
self.mgr.mac_device_name_mappings)
def test_get_agent_configurations(self):
expected = {'interface_mappings': INTERFACE_MAPPINGS}
self.assertEqual(expected, self.mgr.get_agent_configurations())
def test_get_agent_id_ok(self):
mock_devices = [ip_lib.IPDevice('macvtap1')]
with mock.patch.object(ip_lib.IPWrapper, 'get_devices',
return_value=mock_devices),\
mock.patch.object(ip_lib, 'get_device_mac',
return_value='foo:bar'):
self.assertEqual('macvtapfoobar', self.mgr.get_agent_id())
def test_get_agent_id_fail(self):
mock_devices = []
with mock.patch.object(ip_lib.IPWrapper, 'get_devices',
return_value=mock_devices),\
mock.patch.object(sys, 'exit') as mock_exit:
self.mgr.get_agent_id()
mock_exit.assert_called_once_with(1)
def test_get_agent_id_no_mac(self):
mock_devices = [ip_lib.IPDevice('macvtap0'),
ip_lib.IPDevice('macvtap1')]
with mock.patch.object(ip_lib.IPWrapper, 'get_devices',
return_value=mock_devices),\
mock.patch.object(ip_lib, 'get_device_mac',
side_effect=[None, 'foo:bar:1']) as mock_gdm:
self.assertEqual('macvtapfoobar1', self.mgr.get_agent_id())
mock_gdm.assert_has_calls([mock.call('macvtap0'),
mock.call('macvtap1')])
def test_get_extension_driver_type(self):
self.assertEqual('macvtap', self.mgr.get_extension_driver_type())
def test_get_rpc_callbacks(self):
context = mock.Mock()
agent = mock.Mock()
sg_agent = mock.Mock()
obj = self.mgr.get_rpc_callbacks(context, agent, sg_agent)
self.assertIsInstance(obj, macvtap_neutron_agent.MacvtapRPCCallBack)
def test_get_rpc_consumers(self):
consumers = [[topics.PORT, topics.UPDATE],
[topics.NETWORK, topics.DELETE],
[topics.SECURITY_GROUP, topics.UPDATE]]
self.assertEqual(consumers, self.mgr.get_rpc_consumers())
def test_plug_interface(self):
self.mgr.mac_device_name_mappings['mac1'] = 'macvtap0'
with mock.patch.object(ip_lib.IpLinkCommand, 'set_allmulticast_on')\
as mock_sao:
self.mgr.plug_interface('network_id', 'network_segment', 'mac1',
'device_owner')
self.assertTrue(mock_sao.called)
class TestMacvtapMain(base.BaseTestCase):
def test_parse_interface_mappings_good(self):
cfg.CONF.set_override('physical_interface_mappings', 'good_mapping',
'macvtap')
with mock.patch.object(helpers, 'parse_mappings',
return_value=INTERFACE_MAPPINGS):
mappings = macvtap_neutron_agent.parse_interface_mappings()
self.assertEqual(INTERFACE_MAPPINGS, mappings)
def test_parse_interface_mappings_bad(self):
cfg.CONF.set_override('physical_interface_mappings', 'bad_mapping',
'macvtap')
with mock.patch.object(helpers, 'parse_mappings',
side_effect=ValueError('bad mapping')),\
mock.patch.object(sys, 'exit') as mock_exit:
macvtap_neutron_agent.parse_interface_mappings()
mock_exit.assert_called_with(1)
def test_parse_interface_mappings_no_mapping(self):
with mock.patch.object(sys, 'exit') as mock_exit:
macvtap_neutron_agent.parse_interface_mappings()
mock_exit.assert_called_with(1)
def test_validate_firewall_driver_noop_long(self):
cfg.CONF.set_override('firewall_driver',
'neutron.agent.firewall.NoopFirewallDriver',
'SECURITYGROUP')
macvtap_neutron_agent.validate_firewall_driver()
def test_validate_firewall_driver_noop(self):
cfg.CONF.set_override('firewall_driver',
'noop',
'SECURITYGROUP')
macvtap_neutron_agent.validate_firewall_driver()
def test_validate_firewall_driver_other(self):
cfg.CONF.set_override('firewall_driver',
'foo',
'SECURITYGROUP')
with mock.patch.object(sys, 'exit')as mock_exit:
macvtap_neutron_agent.validate_firewall_driver()
mock_exit.assert_called_with(1)
def test_main(self):
cfg.CONF.set_override('quitting_rpc_timeout', 1, 'AGENT')
cfg.CONF.set_override('polling_interval', 2, 'AGENT')
mock_manager_return = mock.Mock(spec=amb.CommonAgentManagerBase)
mock_launch_return = mock.Mock()
with mock.patch.object(common_config, 'init'),\
mock.patch.object(common_config, 'setup_logging'),\
mock.patch.object(service, 'launch',
return_value=mock_launch_return) as mock_launch,\
mock.patch.object(macvtap_neutron_agent,
'parse_interface_mappings',
return_value=INTERFACE_MAPPINGS) as mock_pim,\
mock.patch.object(macvtap_neutron_agent,
'validate_firewall_driver') as mock_vfd,\
mock.patch('neutron.plugins.ml2.drivers.agent._common_agent.'
'CommonAgentLoop') as mock_loop,\
mock.patch('neutron.plugins.ml2.drivers.macvtap.agent.'
'macvtap_neutron_agent.MacvtapManager',
return_value=mock_manager_return) as mock_manager:
macvtap_neutron_agent.main()
self.assertTrue(mock_vfd.called)
self.assertTrue(mock_pim.called)
mock_manager.assert_called_with(INTERFACE_MAPPINGS)
mock_loop.assert_called_with(mock_manager_return, 2, 1,
constants.AGENT_TYPE_MACVTAP,
constants.AGENT_PROCESS_MACVTAP)
self.assertTrue(mock_launch.called)
self.assertTrue(mock_launch_return.wait.called)