neutron/neutron/tests/unit/plugins/ml2/drivers/openvswitch/agent/openflow/native/ovs_bridge_test_base.py

285 lines
11 KiB
Python

# Copyright (C) 2014,2015 VA Linux Systems Japan K.K.
# Copyright (C) 2014,2015 YAMAMOTO Takashi <yamamoto at valinux co jp>
# 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 mock
from oslo_utils import importutils
from neutron.plugins.ml2.drivers.openvswitch.agent.common import constants
from neutron.tests.unit.plugins.ml2.drivers.openvswitch.agent \
import ovs_test_base
call = mock.call # short hand
class OVSBridgeTestBase(ovs_test_base.OVSOSKenTestBase):
_ARP_MODULE = 'os_ken.lib.packet.arp'
_ETHER_TYPES_MODULE = 'os_ken.lib.packet.ether_types'
_ICMPV6_MODULE = 'os_ken.lib.packet.icmpv6'
_IN_PROTO_MODULE = 'os_ken.lib.packet.in_proto'
_OFP_MODULE = 'os_ken.ofproto.ofproto_v1_3'
_OFPP_MODULE = 'os_ken.ofproto.ofproto_v1_3_parser'
def setup_bridge_mock(self, name, cls):
self.br = cls(name)
self.stamp = self.br.default_cookie
self.dp = mock.Mock()
self.ofp = importutils.import_module(self._OFP_MODULE)
self.ofpp = importutils.import_module(self._OFPP_MODULE)
self.arp = importutils.import_module(self._ARP_MODULE)
self.ether_types = importutils.import_module(self._ETHER_TYPES_MODULE)
self.icmpv6 = importutils.import_module(self._ICMPV6_MODULE)
self.in_proto = importutils.import_module(self._IN_PROTO_MODULE)
mock.patch.object(self.br, '_get_dp', autospec=True,
return_value=self._get_dp()).start()
mock__send_msg = mock.patch.object(self.br, '_send_msg').start()
mock_delete_flows = mock.patch.object(self.br,
'uninstall_flows').start()
self.mock = mock.Mock()
self.mock.attach_mock(mock__send_msg, '_send_msg')
self.mock.attach_mock(mock_delete_flows, 'uninstall_flows')
def _get_dp(self):
return self.dp, self.ofp, self.ofpp
def test_drop_port(self):
in_port = 2345
self.br.drop_port(in_port=in_port)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(
ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[],
match=ofpp.OFPMatch(in_port=in_port),
priority=2,
table_id=0),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_goto(self):
dest_table_id = 123
priority = 99
in_port = 666
self.br.install_goto(dest_table_id=dest_table_id,
priority=priority, in_port=in_port)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(
ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[
ofpp.OFPInstructionGotoTable(table_id=dest_table_id),
],
match=ofpp.OFPMatch(in_port=in_port),
priority=priority,
table_id=0),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_drop(self):
priority = 99
in_port = 666
self.br.install_drop(priority=priority, in_port=in_port)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(
ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[],
match=ofpp.OFPMatch(in_port=in_port),
priority=priority,
table_id=0),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_normal(self):
priority = 99
in_port = 666
self.br.install_normal(priority=priority, in_port=in_port)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(
ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[
ofpp.OFPInstructionActions(ofp.OFPIT_APPLY_ACTIONS, [
ofpp.OFPActionOutput(ofp.OFPP_NORMAL, 0)
]),
],
match=ofpp.OFPMatch(in_port=in_port),
priority=priority,
table_id=0),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test__cidr_to_os_ken(self):
f = self.br._cidr_to_os_ken
self.assertEqual('192.168.0.1', f('192.168.0.1'))
self.assertEqual('192.168.0.1', f('192.168.0.1/32'))
self.assertEqual(('192.168.0.0', '255.255.255.0'), f('192.168.0.0/24'))
def test__setup_controllers__out_of_band(self):
cfg = mock.MagicMock()
cfg.OVS.of_listen_address = ""
cfg.OVS.of_listen_port = ""
m_add_protocols = mock.patch.object(self.br, 'add_protocols')
m_set_controller = mock.patch.object(self.br, 'set_controller')
m_set_probe = mock.patch.object(self.br,
'set_controllers_inactivity_probe')
m_set_ccm = mock.patch.object(self.br,
'set_controllers_connection_mode')
with m_set_ccm as set_ccm:
with m_set_controller, m_add_protocols, m_set_probe:
self.br.setup_controllers(cfg)
set_ccm.assert_called_once_with("out-of-band")
class OVSDVRProcessTestMixin(object):
def test_install_dvr_process_ipv4(self):
vlan_tag = 999
gateway_ip = '192.0.2.1'
self.br.install_dvr_process_ipv4(vlan_tag=vlan_tag,
gateway_ip=gateway_ip)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[],
match=ofpp.OFPMatch(
eth_type=self.ether_types.ETH_TYPE_ARP,
arp_tpa=gateway_ip,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT),
priority=3,
table_id=constants.FLOOD_TO_TUN),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_dvr_process_ipv4(self):
vlan_tag = 999
gateway_ip = '192.0.2.1'
self.br.delete_dvr_process_ipv4(vlan_tag=vlan_tag,
gateway_ip=gateway_ip)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call.uninstall_flows(table_id=constants.FLOOD_TO_TUN,
match=ofpp.OFPMatch(
eth_type=self.ether_types.ETH_TYPE_ARP,
arp_tpa=gateway_ip,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT)),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_dvr_process_ipv6(self):
vlan_tag = 999
gateway_mac = '08:60:6e:7f:74:e7'
self.br.install_dvr_process_ipv6(vlan_tag=vlan_tag,
gateway_mac=gateway_mac)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[],
match=ofpp.OFPMatch(
eth_src=gateway_mac,
eth_type=self.ether_types.ETH_TYPE_IPV6,
icmpv6_type=self.icmpv6.ND_ROUTER_ADVERT,
ip_proto=self.in_proto.IPPROTO_ICMPV6,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT),
priority=3,
table_id=constants.FLOOD_TO_TUN),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_dvr_process_ipv6(self):
vlan_tag = 999
gateway_mac = '08:60:6e:7f:74:e7'
self.br.delete_dvr_process_ipv6(vlan_tag=vlan_tag,
gateway_mac=gateway_mac)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call.uninstall_flows(table_id=constants.FLOOD_TO_TUN,
match=ofpp.OFPMatch(
eth_src=gateway_mac,
eth_type=self.ether_types.ETH_TYPE_IPV6,
icmpv6_type=self.icmpv6.ND_ROUTER_ADVERT,
ip_proto=self.in_proto.IPPROTO_ICMPV6,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT)),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_dvr_process(self):
vlan_tag = 999
vif_mac = '00:0e:0c:5e:95:d0'
dvr_mac_address = 'f2:0b:a4:5b:b2:ab'
self.br.install_dvr_process(vlan_tag=vlan_tag,
vif_mac=vif_mac,
dvr_mac_address=dvr_mac_address)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call._send_msg(ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[],
match=ofpp.OFPMatch(
eth_dst=vif_mac,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT),
priority=2,
table_id=self.dvr_process_table_id),
active_bundle=None),
call._send_msg(ofpp.OFPFlowMod(dp,
cookie=self.stamp,
instructions=[
ofpp.OFPInstructionActions(ofp.OFPIT_APPLY_ACTIONS, [
ofpp.OFPActionSetField(eth_src=dvr_mac_address),
]),
ofpp.OFPInstructionGotoTable(
table_id=self.dvr_process_next_table_id),
],
match=ofpp.OFPMatch(
eth_src=vif_mac,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT),
priority=1,
table_id=self.dvr_process_table_id),
active_bundle=None),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_dvr_process(self):
vlan_tag = 999
vif_mac = '00:0e:0c:5e:95:d0'
self.br.delete_dvr_process(vlan_tag=vlan_tag,
vif_mac=vif_mac)
(dp, ofp, ofpp) = self._get_dp()
expected = [
call.uninstall_flows(table_id=self.dvr_process_table_id,
match=ofpp.OFPMatch(
eth_dst=vif_mac,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT)),
call.uninstall_flows(table_id=self.dvr_process_table_id,
match=ofpp.OFPMatch(
eth_src=vif_mac,
vlan_vid=vlan_tag | ofp.OFPVID_PRESENT)),
]
self.assertEqual(expected, self.mock.mock_calls)