neutron/neutron/tests/unit/plugins/ml2/drivers/openvswitch/agent/openflow/ovs_ofctl/test_br_tun.py

312 lines
13 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
import netaddr
import neutron.plugins.ml2.drivers.openvswitch.agent.common.constants \
as ovs_const
from neutron.tests.unit.plugins.ml2.drivers.openvswitch.agent.\
openflow.ovs_ofctl import ovs_bridge_test_base
call = mock.call # short hand
class OVSTunnelBridgeTest(ovs_bridge_test_base.OVSBridgeTestBase,
ovs_bridge_test_base.OVSDVRProcessTestMixin):
dvr_process_table_id = ovs_const.DVR_PROCESS
dvr_process_next_table_id = ovs_const.PATCH_LV_TO_TUN
def setUp(self):
super(OVSTunnelBridgeTest, self).setUp()
self.setup_bridge_mock('br-tun', self.br_tun_cls)
def test_setup_default_table(self):
patch_int_ofport = 5555
arp_responder_enabled = False
self.br.setup_default_table(patch_int_ofport=patch_int_ofport,
arp_responder_enabled=arp_responder_enabled)
expected = [
call.add_flow(priority=1, in_port=patch_int_ofport,
actions='resubmit(,2)'),
call.add_flow(priority=0, actions='drop'),
call.add_flow(priority=0, table=2,
dl_dst='00:00:00:00:00:00/01:00:00:00:00:00',
actions='resubmit(,20)'),
call.add_flow(priority=0, table=2,
dl_dst='01:00:00:00:00:00/01:00:00:00:00:00',
actions='resubmit(,22)'),
call.add_flow(priority=0, table=3, actions='drop'),
call.add_flow(priority=0, table=4, actions='drop'),
call.add_flow(priority=1, table=10,
actions='learn(table=20,priority=1,'
'hard_timeout=300,NXM_OF_VLAN_TCI[0..11],'
'NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],'
'load:0->NXM_OF_VLAN_TCI[],'
'load:NXM_NX_TUN_ID[]->NXM_NX_TUN_ID[],'
'output:NXM_OF_IN_PORT[]),'
'output:%s' % patch_int_ofport),
call.add_flow(priority=0, table=20, actions='resubmit(,22)'),
call.add_flow(priority=0, table=22, actions='drop'),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_setup_default_table_arp_responder_enabled(self):
patch_int_ofport = 5555
arp_responder_enabled = True
self.br.setup_default_table(patch_int_ofport=patch_int_ofport,
arp_responder_enabled=arp_responder_enabled)
expected = [
call.add_flow(priority=1, in_port=patch_int_ofport,
actions='resubmit(,2)'),
call.add_flow(priority=0, actions='drop'),
call.add_flow(priority=1, table=2, dl_dst='ff:ff:ff:ff:ff:ff',
actions='resubmit(,21)', proto='arp'),
call.add_flow(priority=0, table=2,
dl_dst='00:00:00:00:00:00/01:00:00:00:00:00',
actions='resubmit(,20)'),
call.add_flow(priority=0, table=2,
dl_dst='01:00:00:00:00:00/01:00:00:00:00:00',
actions='resubmit(,22)'),
call.add_flow(priority=0, table=3, actions='drop'),
call.add_flow(priority=0, table=4, actions='drop'),
call.add_flow(priority=1, table=10,
actions='learn(table=20,priority=1,'
'hard_timeout=300,NXM_OF_VLAN_TCI[0..11],'
'NXM_OF_ETH_DST[]=NXM_OF_ETH_SRC[],'
'load:0->NXM_OF_VLAN_TCI[],'
'load:NXM_NX_TUN_ID[]->NXM_NX_TUN_ID[],'
'output:NXM_OF_IN_PORT[]),'
'output:%s' % patch_int_ofport),
call.add_flow(priority=0, table=20, actions='resubmit(,22)'),
call.add_flow(priority=0, table=21, actions='resubmit(,22)'),
call.add_flow(priority=0, table=22, actions='drop'),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_provision_local_vlan(self):
network_type = 'vxlan'
lvid = 888
segmentation_id = 777
distributed = False
self.br.provision_local_vlan(network_type=network_type, lvid=lvid,
segmentation_id=segmentation_id,
distributed=distributed)
expected = [
call.add_flow(priority=1, tun_id=segmentation_id,
actions='mod_vlan_vid:%s,resubmit(,10)' % lvid,
table=4),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_reclaim_local_vlan(self):
network_type = 'vxlan'
segmentation_id = 777
self.br.reclaim_local_vlan(network_type=network_type,
segmentation_id=segmentation_id)
expected = [
call.delete_flows(tun_id=segmentation_id, table=4),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_flood_to_tun(self):
vlan = 3333
tun_id = 2222
ports = [11, 44, 22, 33]
self.br.install_flood_to_tun(vlan=vlan,
tun_id=tun_id,
ports=ports)
expected = [
call.mod_flow(table=22, dl_vlan=vlan,
actions='strip_vlan,set_tunnel:%(tun)s,'
'output:%(ports)s' % {
'tun': tun_id,
'ports': ','.join(map(str, ports)),
}),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_flood_to_tun(self):
vlan = 3333
self.br.delete_flood_to_tun(vlan=vlan)
expected = [
call.delete_flows(table=22, dl_vlan=vlan),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_unicast_to_tun(self):
vlan = 3333
port = 55
mac = '08:60:6e:7f:74:e7'
tun_id = 2222
self.br.install_unicast_to_tun(vlan=vlan,
tun_id=tun_id,
port=port,
mac=mac)
expected = [
call.add_flow(priority=2, table=20, dl_dst=mac, dl_vlan=vlan,
actions='strip_vlan,set_tunnel:%(tun)s,'
'output:%(port)s' % {
'tun': tun_id,
'port': port,
}),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_unicast_to_tun(self):
vlan = 3333
mac = '08:60:6e:7f:74:e7'
self.br.delete_unicast_to_tun(vlan=vlan, mac=mac)
expected = [
call.delete_flows(table=20, dl_dst=mac, dl_vlan=vlan),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_unicast_to_tun_without_mac(self):
vlan = 3333
mac = None
self.br.delete_unicast_to_tun(vlan=vlan, mac=mac)
expected = [
call.delete_flows(table=20, dl_vlan=vlan),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_install_arp_responder(self):
vlan = 3333
ip = '192.0.2.1'
mac = '08:60:6e:7f:74:e7'
self.br.install_arp_responder(vlan=vlan, ip=ip, mac=mac)
expected = [
call.add_flow(proto='arp', nw_dst=ip,
actions='move:NXM_OF_ETH_SRC[]->NXM_OF_ETH_DST[],'
'mod_dl_src:%(mac)s,load:0x2->NXM_OF_ARP_OP[],'
'move:NXM_NX_ARP_SHA[]->NXM_NX_ARP_THA[],'
'move:NXM_OF_ARP_SPA[]->NXM_OF_ARP_TPA[],'
'load:%(mac)#x->NXM_NX_ARP_SHA[],'
'load:%(ip)#x->NXM_OF_ARP_SPA[],in_port' % {
'mac': netaddr.EUI(mac,
dialect=netaddr.mac_unix),
'ip': netaddr.IPAddress(ip),
},
priority=1, table=21, dl_vlan=vlan),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_arp_responder(self):
vlan = 3333
ip = '192.0.2.1'
self.br.delete_arp_responder(vlan=vlan, ip=ip)
expected = [
call.delete_flows(table=21, dl_vlan=vlan, proto='arp', nw_dst=ip),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_delete_arp_responder_without_ip(self):
vlan = 3333
ip = None
self.br.delete_arp_responder(vlan=vlan, ip=ip)
expected = [
call.delete_flows(table=21, dl_vlan=vlan, proto='arp'),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_setup_tunnel_port(self):
network_type = 'vxlan'
port = 11111
self.br.setup_tunnel_port(network_type=network_type, port=port)
expected = [
call.add_flow(priority=1, in_port=port, actions='resubmit(,4)'),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_cleanup_tunnel_port(self):
port = 11111
self.br.cleanup_tunnel_port(port=port)
expected = [
call.delete_flows(in_port=port),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_add_dvr_mac_tun(self):
mac = '00:02:b3:13:fe:3d'
port = 8888
self.br.add_dvr_mac_tun(mac=mac, port=port)
expected = [
call.add_flow(priority=1, table=9, dl_src=mac,
actions='output:%s' % port),
]
self.assertEqual(expected, self.mock.mock_calls)
def test_remove_dvr_mac_tun(self):
mac = '00:02:b3:13:fe:3d'
self.br.remove_dvr_mac_tun(mac=mac)
expected = [
call.delete_flows(eth_src=mac, table_id=9),
]
self.assertEqual(expected, self.mock.mock_calls)
def _mock_add_tunnel_port(self, deferred_br=False):
port_name = 'fake_port'
remote_ip = '192.168.1.3'
local_ip = '192.168.1.2'
tunnel_type = 'vxlan'
vxlan_udp_port = '4789'
dont_fragment = True
if deferred_br:
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.add_port',
return_value=9999) as add_port, \
self.br.deferred() as deferred_br:
ofport = deferred_br.add_tunnel_port(port_name, remote_ip,
local_ip, tunnel_type,
vxlan_udp_port,
dont_fragment)
else:
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.add_port',
return_value=9999) as add_port:
ofport = self.br.add_tunnel_port(port_name, remote_ip,
local_ip, tunnel_type,
vxlan_udp_port,
dont_fragment)
self.assertEqual(9999, ofport)
self.assertEqual(1, add_port.call_count)
self.assertEqual(port_name, add_port.call_args[0][0])
def _mock_delete_port(self, deferred_br=False):
port_name = 'fake_port'
if deferred_br:
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'delete_port') as delete_port, \
self.br.deferred() as deferred_br:
deferred_br.delete_port(port_name)
else:
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'delete_port') as delete_port:
self.br.delete_port(port_name)
self.assertEqual([call(port_name)], delete_port.mock_calls)
def test_add_tunnel_port(self):
self._mock_add_tunnel_port()
def test_delete_port(self):
self._mock_delete_port()
def test_deferred_br_add_tunnel_port(self):
self._mock_add_tunnel_port(True)
def test_deferred_br_delete_port(self):
self._mock_delete_port(True)