neutron/neutron/tests/unit/openvswitch/test_ovs_dvr_neutron_agent.py

804 lines
41 KiB
Python

# Copyright (c) 2012 OpenStack Foundation.
#
# 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 contextlib
import mock
from oslo_config import cfg
import oslo_messaging
from neutron.agent.linux import utils
from neutron.common import constants as n_const
from neutron.plugins.common import constants as p_const
from neutron.plugins.openvswitch.agent import ovs_neutron_agent
from neutron.plugins.openvswitch.common import constants
from neutron.tests import base
NOTIFIER = 'neutron.plugins.ml2.rpc.AgentNotifierApi'
OVS_LINUX_KERN_VERS_WITHOUT_VXLAN = "3.12.0"
FAKE_MAC = '00:11:22:33:44:55'
FAKE_IP1 = '10.0.0.1'
FAKE_IP2 = '10.0.0.2'
class TestOvsDvrNeutronAgent(base.BaseTestCase):
def setUp(self):
super(TestOvsDvrNeutronAgent, self).setUp()
notifier_p = mock.patch(NOTIFIER)
notifier_cls = notifier_p.start()
self.notifier = mock.Mock()
notifier_cls.return_value = self.notifier
cfg.CONF.set_default('firewall_driver',
'neutron.agent.firewall.NoopFirewallDriver',
group='SECURITYGROUP')
kwargs = ovs_neutron_agent.create_agent_config_map(cfg.CONF)
class MockFixedIntervalLoopingCall(object):
def __init__(self, f):
self.f = f
def start(self, interval=0):
self.f()
with contextlib.nested(
mock.patch('neutron.plugins.openvswitch.agent.ovs_neutron_agent.'
'OVSNeutronAgent.setup_integration_br'),
mock.patch('neutron.plugins.openvswitch.agent.ovs_neutron_agent.'
'OVSNeutronAgent.setup_ancillary_bridges',
return_value=[]),
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'create'),
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_secure_mode'),
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'get_local_port_mac',
return_value='00:00:00:00:00:01'),
mock.patch('neutron.agent.linux.utils.get_interface_mac',
return_value='00:00:00:00:00:01'),
mock.patch('neutron.agent.common.ovs_lib.BaseOVS.get_bridges'),
mock.patch('neutron.openstack.common.loopingcall.'
'FixedIntervalLoopingCall',
new=MockFixedIntervalLoopingCall)):
self.agent = ovs_neutron_agent.OVSNeutronAgent(**kwargs)
# set back to true because initial report state will succeed due
# to mocked out RPC calls
self.agent.use_call = True
self.agent.tun_br = mock.Mock()
self.agent.sg_agent = mock.Mock()
def _setup_for_dvr_test(self, ofport=10):
self._port = mock.Mock()
self._port.ofport = ofport
self._port.vif_id = "1234-5678-90"
self._physical_network = 'physeth1'
self._old_local_vlan = None
self._segmentation_id = 2001
self.agent.enable_distributed_routing = True
self.agent.enable_tunneling = True
self.agent.patch_tun_ofport = 1
self.agent.patch_int_ofport = 2
self.agent.dvr_agent.local_ports = {}
self.agent.local_vlan_map = {}
self.agent.dvr_agent.enable_distributed_routing = True
self.agent.dvr_agent.enable_tunneling = True
self.agent.dvr_agent.patch_tun_ofport = 1
self.agent.dvr_agent.patch_int_ofport = 2
self.agent.dvr_agent.tun_br = mock.Mock()
self.agent.dvr_agent.phys_brs[self._physical_network] = mock.Mock()
self.agent.dvr_agent.bridge_mappings = {self._physical_network:
'br-eth1'}
self.agent.dvr_agent.int_ofports[self._physical_network] = 30
self.agent.dvr_agent.phys_ofports[self._physical_network] = 40
self.agent.dvr_agent.local_dvr_map = {}
self.agent.dvr_agent.registered_dvr_macs = set()
self.agent.dvr_agent.dvr_mac_address = 'aa:22:33:44:55:66'
self._net_uuid = 'my-net-uuid'
self._fixed_ips = [{'subnet_id': 'my-subnet-uuid',
'ip_address': '1.1.1.1'}]
self._compute_port = mock.Mock()
self._compute_port.ofport = 20
self._compute_port.vif_id = "1234-5678-91"
self._compute_fixed_ips = [{'subnet_id': 'my-subnet-uuid',
'ip_address': '1.1.1.3'}]
def _test_port_bound_for_dvr_on_vlan_network(self, device_owner,
ip_version=4):
self._setup_for_dvr_test()
if ip_version == 4:
gateway_ip = '1.1.1.1'
cidr = '1.1.1.0/24'
else:
gateway_ip = '2001:100::1'
cidr = '2001:100::0/64'
self._port.vif_mac = gateway_mac = 'aa:bb:cc:11:22:33'
self._compute_port.vif_mac = '77:88:99:00:11:22'
physical_network = self._physical_network
segmentation_id = self._segmentation_id
network_type = p_const.TYPE_VLAN
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_db_attribute',
return_value=True):
with contextlib.nested(
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'db_get_val',
return_value=self._old_local_vlan),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_subnet_for_dvr',
return_value={
'gateway_ip': gateway_ip,
'cidr': cidr,
'ip_version': ip_version,
'gateway_mac': gateway_mac}),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_ports_on_host_by_subnet',
return_value=[]),
mock.patch.object(self.agent.dvr_agent.int_br,
'get_vif_port_by_id',
return_value=self._port),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows'),
mock.patch.object(
self.agent.dvr_agent.phys_brs[physical_network],
'add_flow'),
mock.patch.object(
self.agent.dvr_agent.phys_brs[physical_network],
'delete_flows')
) as (get_ovs_db_func, get_subnet_fn, get_cphost_fn,
get_vif_fn, add_flow_int_fn, delete_flows_int_fn,
add_flow_tun_fn, delete_flows_tun_fn, add_flow_phys_fn,
delete_flows_phys_fn):
self.agent.port_bound(
self._port, self._net_uuid, network_type,
physical_network, segmentation_id, self._fixed_ips,
n_const.DEVICE_OWNER_DVR_INTERFACE, False)
lvm = self.agent.local_vlan_map[self._net_uuid]
phy_ofp = self.agent.dvr_agent.phys_ofports[physical_network]
int_ofp = self.agent.dvr_agent.int_ofports[physical_network]
expected_on_phys_br = [
mock.call(table=constants.LOCAL_VLAN_TRANSLATION,
priority=4,
in_port=phy_ofp,
dl_vlan=lvm.vlan,
actions="mod_vlan_vid:%s,normal" %
(lvm.segmentation_id)),
mock.call(table=constants.DVR_PROCESS_VLAN,
priority=2,
dl_vlan=lvm.vlan,
dl_dst=self._port.vif_mac,
actions="drop"),
mock.call(table=constants.DVR_PROCESS_VLAN,
priority=1,
dl_vlan=lvm.vlan,
dl_src=self._port.vif_mac,
actions="mod_dl_src:%s,resubmit(,%s)" %
(self.agent.dvr_agent.dvr_mac_address,
constants.LOCAL_VLAN_TRANSLATION))
]
if ip_version == 4:
expected_on_phys_br.insert(1, mock.call(
proto='arp',
nw_dst=gateway_ip, actions='drop',
priority=3, table=constants.DVR_PROCESS_VLAN,
dl_vlan=lvm.vlan))
else:
expected_on_phys_br.insert(1, mock.call(
icmp_type=n_const.ICMPV6_TYPE_RA, proto='icmp6',
dl_src=self._port.vif_mac, actions='drop',
priority=3, table=constants.DVR_PROCESS_VLAN,
dl_vlan=lvm.vlan))
self.assertEqual(expected_on_phys_br,
add_flow_phys_fn.call_args_list)
self.agent.port_bound(self._compute_port, self._net_uuid,
network_type, physical_network,
segmentation_id,
self._compute_fixed_ips,
device_owner, False)
expected_on_int_br = [
mock.call(priority=3,
in_port=int_ofp,
dl_vlan=lvm.segmentation_id,
actions="mod_vlan_vid:%s,normal" % lvm.vlan),
mock.call(table=constants.DVR_TO_SRC_MAC_VLAN,
priority=4,
dl_dst=self._compute_port.vif_mac,
dl_vlan=lvm.segmentation_id,
actions="strip_vlan,mod_dl_src:%s,"
"output:%s" %
(gateway_mac,
self._compute_port.ofport))
]
self.assertEqual(expected_on_int_br,
add_flow_int_fn.call_args_list)
expected_on_int_br = [
mock.call(in_port=self._port.ofport),
mock.call(in_port=self._compute_port.ofport)
]
self.assertEqual(expected_on_int_br,
delete_flows_int_fn.call_args_list)
self.assertFalse(add_flow_tun_fn.called)
self.assertFalse(delete_flows_tun_fn.called)
self.assertFalse(delete_flows_phys_fn.called)
def _test_port_bound_for_dvr_on_vxlan_network(self, device_owner,
ip_version=4):
self._setup_for_dvr_test()
if ip_version == 4:
gateway_ip = '1.1.1.1'
cidr = '1.1.1.0/24'
else:
gateway_ip = '2001:100::1'
cidr = '2001:100::0/64'
network_type = p_const.TYPE_VXLAN
self._port.vif_mac = gateway_mac = 'aa:bb:cc:11:22:33'
self._compute_port.vif_mac = '77:88:99:00:11:22'
physical_network = self._physical_network
segmentation_id = self._segmentation_id
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_db_attribute',
return_value=True):
with contextlib.nested(
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'db_get_val',
return_value=self._old_local_vlan),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_subnet_for_dvr',
return_value={
'gateway_ip': gateway_ip,
'cidr': cidr,
'ip_version': ip_version,
'gateway_mac': gateway_mac}),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_ports_on_host_by_subnet',
return_value=[]),
mock.patch.object(self.agent.dvr_agent.int_br,
'get_vif_port_by_id',
return_value=self._port),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows'),
mock.patch.object(
self.agent.dvr_agent.phys_brs[physical_network],
'add_flow'),
mock.patch.object(
self.agent.dvr_agent.phys_brs[physical_network],
'delete_flows')
) as (get_ovs_db_func, get_subnet_fn, get_cphost_fn,
get_vif_fn, add_flow_int_fn, delete_flows_int_fn,
add_flow_tun_fn, delete_flows_tun_fn,
add_flow_phys_fn, delete_flows_phys_fn):
self.agent.port_bound(
self._port, self._net_uuid, network_type,
physical_network, segmentation_id, self._fixed_ips,
n_const.DEVICE_OWNER_DVR_INTERFACE, False)
lvm = self.agent.local_vlan_map[self._net_uuid]
expected_on_tun_br = [
mock.call(
table=constants.TUN_TABLE['vxlan'],
priority=1, tun_id=lvm.segmentation_id,
actions="mod_vlan_vid:%s,"
"resubmit(,%s)" %
(lvm.vlan, constants.DVR_NOT_LEARN)),
mock.call(
table=constants.DVR_PROCESS, priority=2,
dl_vlan=lvm.vlan,
dl_dst=self._port.vif_mac,
actions='drop'),
mock.call(
table=constants.DVR_PROCESS, priority=1,
dl_vlan=lvm.vlan,
dl_src=self._port.vif_mac,
actions="mod_dl_src:%s,resubmit(,%s)" % (
self.agent.dvr_agent.dvr_mac_address,
constants.PATCH_LV_TO_TUN))]
if ip_version == 4:
expected_on_tun_br.insert(1, mock.call(
proto='arp',
nw_dst=gateway_ip, actions='drop',
priority=3, table=constants.DVR_PROCESS,
dl_vlan=lvm.vlan))
else:
expected_on_tun_br.insert(1, mock.call(
icmp_type=n_const.ICMPV6_TYPE_RA,
proto='icmp6',
dl_src=self._port.vif_mac,
actions='drop',
priority=3, table=constants.DVR_PROCESS,
dl_vlan=lvm.vlan))
self.assertEqual(expected_on_tun_br,
add_flow_tun_fn.call_args_list)
self.agent.port_bound(self._compute_port, self._net_uuid,
network_type, physical_network,
segmentation_id,
self._compute_fixed_ips,
device_owner, False)
expected_on_int_br = [
mock.call(table=constants.DVR_TO_SRC_MAC, priority=4,
dl_dst=self._compute_port.vif_mac,
dl_vlan=lvm.vlan,
actions="strip_vlan,mod_dl_src:%s,"
"output:%s" %
(gateway_mac, self._compute_port.ofport))
]
self.assertEqual(expected_on_int_br,
add_flow_int_fn.call_args_list)
self.assertFalse(add_flow_phys_fn.called)
expected_on_int_br = [
mock.call(in_port=self._port.ofport),
mock.call(in_port=self._compute_port.ofport)
]
self.assertEqual(expected_on_int_br,
delete_flows_int_fn.call_args_list)
self.assertFalse(add_flow_phys_fn.called)
self.assertFalse(delete_flows_tun_fn.called)
self.assertFalse(delete_flows_phys_fn.called)
def test_port_bound_for_dvr_with_compute_ports(self):
self._test_port_bound_for_dvr_on_vlan_network(
device_owner="compute:None")
self._test_port_bound_for_dvr_on_vlan_network(
device_owner="compute:None", ip_version=6)
self._test_port_bound_for_dvr_on_vxlan_network(
device_owner="compute:None")
self._test_port_bound_for_dvr_on_vxlan_network(
device_owner="compute:None", ip_version=6)
def test_port_bound_for_dvr_with_lbaas_vip_ports(self):
self._test_port_bound_for_dvr_on_vlan_network(
device_owner=n_const.DEVICE_OWNER_LOADBALANCER)
self._test_port_bound_for_dvr_on_vlan_network(
device_owner=n_const.DEVICE_OWNER_LOADBALANCER, ip_version=6)
self._test_port_bound_for_dvr_on_vxlan_network(
device_owner=n_const.DEVICE_OWNER_LOADBALANCER)
self._test_port_bound_for_dvr_on_vxlan_network(
device_owner=n_const.DEVICE_OWNER_LOADBALANCER, ip_version=6)
def test_port_bound_for_dvr_with_dhcp_ports(self):
self._test_port_bound_for_dvr_on_vlan_network(
device_owner=n_const.DEVICE_OWNER_DHCP)
self._test_port_bound_for_dvr_on_vlan_network(
device_owner=n_const.DEVICE_OWNER_DHCP, ip_version=6)
self._test_port_bound_for_dvr_on_vxlan_network(
device_owner=n_const.DEVICE_OWNER_DHCP)
self._test_port_bound_for_dvr_on_vxlan_network(
device_owner=n_const.DEVICE_OWNER_DHCP, ip_version=6)
def test_port_bound_for_dvr_with_csnat_ports(self, ofport=10):
self._setup_for_dvr_test()
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_db_attribute',
return_value=True):
with contextlib.nested(
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'db_get_val',
return_value=self._old_local_vlan),
mock.patch.object(
self.agent.dvr_agent.plugin_rpc, 'get_subnet_for_dvr',
return_value={'gateway_ip': '1.1.1.1',
'cidr': '1.1.1.0/24',
'ip_version': 4,
'gateway_mac': 'aa:bb:cc:11:22:33'}),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_ports_on_host_by_subnet',
return_value=[]),
mock.patch.object(self.agent.dvr_agent.int_br,
'get_vif_port_by_id',
return_value=self._port),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows')
) as (get_ovs_db_func, get_subnet_fn, get_cphost_fn,
get_vif_fn, add_flow_int_fn, delete_flows_int_fn,
add_flow_tun_fn, delete_flows_tun_fn):
self.agent.port_bound(
self._port, self._net_uuid, 'vxlan',
None, None, self._fixed_ips,
n_const.DEVICE_OWNER_ROUTER_SNAT,
False)
self.assertTrue(add_flow_int_fn.called)
self.assertTrue(delete_flows_int_fn.called)
def test_treat_devices_removed_for_dvr_interface(self, ofport=10):
self._test_treat_devices_removed_for_dvr_interface(ofport)
self._test_treat_devices_removed_for_dvr_interface(
ofport, ip_version=6)
def _test_treat_devices_removed_for_dvr_interface(self, ofport=10,
ip_version=4):
self._setup_for_dvr_test()
if ip_version == 4:
gateway_ip = '1.1.1.1'
cidr = '1.1.1.0/24'
else:
gateway_ip = '2001:100::1'
cidr = '2001:100::0/64'
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_db_attribute',
return_value=True):
with contextlib.nested(
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'db_get_val',
return_value=self._old_local_vlan),
mock.patch.object(
self.agent.dvr_agent.plugin_rpc, 'get_subnet_for_dvr',
return_value={'gateway_ip': gateway_ip,
'cidr': cidr,
'ip_version': ip_version,
'gateway_mac': 'aa:bb:cc:11:22:33'}),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_ports_on_host_by_subnet',
return_value=[]),
mock.patch.object(self.agent.dvr_agent.int_br,
'get_vif_port_by_id',
return_value=self._port),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows')
) as (get_ovs_db_func, get_subnet_fn, get_cphost_fn,
get_vif_fn, add_flow_int_fn, delete_flows_int_fn,
add_flow_tun_fn, delete_flows_tun_fn):
self.agent.port_bound(
self._port, self._net_uuid, 'vxlan',
None, None, self._fixed_ips,
n_const.DEVICE_OWNER_DVR_INTERFACE,
False)
self.assertTrue(add_flow_tun_fn.called)
self.assertTrue(delete_flows_int_fn.called)
with contextlib.nested(
mock.patch.object(self.agent, 'reclaim_local_vlan'),
mock.patch.object(self.agent.plugin_rpc, 'update_device_down',
return_value=None),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br,
'delete_flows')) as (reclaim_vlan_fn,
update_dev_down_fn,
delete_flows_int_fn,
delete_flows_tun_fn):
self.agent.treat_devices_removed([self._port.vif_id])
if ip_version == 4:
expected = [mock.call(
proto='arp',
nw_dst=gateway_ip,
table=constants.DVR_PROCESS,
dl_vlan=(
self.agent.local_vlan_map[self._net_uuid].vlan))]
else:
expected = [mock.call(
icmp_type=n_const.ICMPV6_TYPE_RA, proto='icmp6',
dl_src='aa:bb:cc:11:22:33',
table=constants.DVR_PROCESS,
dl_vlan=(
self.agent.local_vlan_map[self._net_uuid].vlan))]
expected.extend([
mock.call(
table=constants.DVR_PROCESS,
dl_dst=self._port.vif_mac,
dl_vlan=(
self.agent.local_vlan_map[self._net_uuid].vlan)),
mock.call(
table=constants.DVR_PROCESS,
dl_vlan=(
self.agent.local_vlan_map[self._net_uuid].vlan),
dl_src=self._port.vif_mac)
])
self.assertEqual(expected, delete_flows_tun_fn.call_args_list)
def _test_treat_devices_removed_for_dvr(self, device_owner, ip_version=4):
self._setup_for_dvr_test()
if ip_version == 4:
gateway_ip = '1.1.1.1'
cidr = '1.1.1.0/24'
else:
gateway_ip = '2001:100::1'
cidr = '2001:100::0/64'
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_db_attribute',
return_value=True):
with contextlib.nested(
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'db_get_val',
return_value=self._old_local_vlan),
mock.patch.object(
self.agent.dvr_agent.plugin_rpc, 'get_subnet_for_dvr',
return_value={'gateway_ip': gateway_ip,
'cidr': cidr,
'ip_version': ip_version,
'gateway_mac': 'aa:bb:cc:11:22:33'}),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_ports_on_host_by_subnet',
return_value=[]),
mock.patch.object(self.agent.dvr_agent.int_br,
'get_vif_port_by_id',
return_value=self._port),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows')
) as (get_ovs_db_func, get_subnet_fn, get_cphost_fn,
get_vif_fn, add_flow_int_fn, delete_flows_int_fn,
add_flow_tun_fn, delete_flows_tun_fn):
self.agent.port_bound(
self._port, self._net_uuid, 'vxlan',
None, None, self._fixed_ips,
n_const.DEVICE_OWNER_DVR_INTERFACE,
False)
self.agent.port_bound(self._compute_port,
self._net_uuid, 'vxlan',
None, None,
self._compute_fixed_ips,
device_owner, False)
self.assertTrue(add_flow_tun_fn.called)
self.assertTrue(add_flow_int_fn.called)
self.assertTrue(delete_flows_int_fn.called)
with contextlib.nested(
mock.patch.object(self.agent, 'reclaim_local_vlan'),
mock.patch.object(self.agent.plugin_rpc, 'update_device_down',
return_value=None),
mock.patch.object(self.agent.dvr_agent.int_br,
'delete_flows')) as (reclaim_vlan_fn,
update_dev_down_fn,
delete_flows_int_fn):
self.agent.treat_devices_removed([self._compute_port.vif_id])
expected = [
mock.call(
table=constants.DVR_TO_SRC_MAC,
dl_dst=self._compute_port.vif_mac,
dl_vlan=(
self.agent.local_vlan_map[self._net_uuid].vlan))]
self.assertEqual(expected, delete_flows_int_fn.call_args_list)
def test_treat_devices_removed_for_dvr_with_compute_ports(self):
self._test_treat_devices_removed_for_dvr(
device_owner="compute:None")
self._test_treat_devices_removed_for_dvr(
device_owner="compute:None", ip_version=6)
def test_treat_devices_removed_for_dvr_with_lbaas_vip_ports(self):
self._test_treat_devices_removed_for_dvr(
device_owner=n_const.DEVICE_OWNER_LOADBALANCER)
self._test_treat_devices_removed_for_dvr(
device_owner=n_const.DEVICE_OWNER_LOADBALANCER, ip_version=6)
def test_treat_devices_removed_for_dvr_with_dhcp_ports(self):
self._test_treat_devices_removed_for_dvr(
device_owner=n_const.DEVICE_OWNER_DHCP)
self._test_treat_devices_removed_for_dvr(
device_owner=n_const.DEVICE_OWNER_DHCP, ip_version=6)
def test_treat_devices_removed_for_dvr_csnat_port(self, ofport=10):
self._setup_for_dvr_test()
with mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'set_db_attribute',
return_value=True):
with contextlib.nested(
mock.patch('neutron.agent.common.ovs_lib.OVSBridge.'
'db_get_val',
return_value=self._old_local_vlan),
mock.patch.object(
self.agent.dvr_agent.plugin_rpc, 'get_subnet_for_dvr',
return_value={'gateway_ip': '1.1.1.1',
'cidr': '1.1.1.0/24',
'ip_version': 4,
'gateway_mac': 'aa:bb:cc:11:22:33'}),
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_ports_on_host_by_subnet',
return_value=[]),
mock.patch.object(self.agent.dvr_agent.int_br,
'get_vif_port_by_id',
return_value=self._port),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows')
) as (get_ovs_db_func, get_subnet_fn, get_cphost_fn,
get_vif_fn, add_flow_int_fn, delete_flows_int_fn,
add_flow_tun_fn, delete_flows_tun_fn):
self.agent.port_bound(
self._port, self._net_uuid, 'vxlan',
None, None, self._fixed_ips,
n_const.DEVICE_OWNER_ROUTER_SNAT,
False)
self.assertTrue(add_flow_int_fn.called)
self.assertTrue(delete_flows_int_fn.called)
with contextlib.nested(
mock.patch.object(self.agent, 'reclaim_local_vlan'),
mock.patch.object(self.agent.plugin_rpc, 'update_device_down',
return_value=None),
mock.patch.object(self.agent.dvr_agent.int_br,
'delete_flows')) as (reclaim_vlan_fn,
update_dev_down_fn,
delete_flows_int_fn):
self.agent.treat_devices_removed([self._port.vif_id])
self.assertTrue(delete_flows_int_fn.called)
def test_setup_dvr_flows_on_int_br(self):
self._setup_for_dvr_test()
with contextlib.nested(
mock.patch.object(self.agent.dvr_agent.int_br,
'remove_all_flows'),
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(
self.agent.dvr_agent.plugin_rpc,
'get_dvr_mac_address_list',
return_value=[{'host': 'cn1',
'mac_address': 'aa:bb:cc:dd:ee:ff'},
{'host': 'cn2',
'mac_address': '11:22:33:44:55:66'}])) as \
(remove_flows_fn, add_int_flow_fn, add_tun_flow_fn,
get_mac_list_fn):
self.agent.dvr_agent.setup_dvr_flows_on_integ_br()
self.assertTrue(self.agent.dvr_agent.in_distributed_mode())
physical_networks = self.agent.dvr_agent.bridge_mappings.keys()
ioport = self.agent.dvr_agent.int_ofports[physical_networks[0]]
expected = [
mock.call(table=constants.CANARY_TABLE,
priority=0,
actions="drop"),
mock.call(table=constants.DVR_TO_SRC_MAC,
priority=1,
actions="drop"),
mock.call(table=constants.DVR_TO_SRC_MAC_VLAN,
priority=1,
actions="drop"),
mock.call(table=constants.LOCAL_SWITCHING,
priority=1,
actions="normal"),
mock.call(
table=constants.LOCAL_SWITCHING, priority=2,
actions="drop",
in_port=ioport)]
self.assertTrue(remove_flows_fn.called)
self.assertEqual(expected, add_int_flow_fn.call_args_list)
self.assertEqual(add_int_flow_fn.call_count, 5)
def test_get_dvr_mac_address(self):
self._setup_for_dvr_test()
self.agent.dvr_agent.dvr_mac_address = None
with mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_dvr_mac_address_by_host',
return_value={'host': 'cn1',
'mac_address': 'aa:22:33:44:55:66'}):
self.agent.dvr_agent.get_dvr_mac_address()
self.assertEqual('aa:22:33:44:55:66',
self.agent.dvr_agent.dvr_mac_address)
self.assertTrue(self.agent.dvr_agent.in_distributed_mode())
def test_get_dvr_mac_address_exception(self):
self._setup_for_dvr_test()
self.agent.dvr_agent.dvr_mac_address = None
with contextlib.nested(
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_dvr_mac_address_by_host',
side_effect=oslo_messaging.RemoteError),
mock.patch.object(self.agent.dvr_agent.int_br,
'add_flow')) as (gd_mac, add_int_flow_fn):
self.agent.dvr_agent.get_dvr_mac_address()
self.assertIsNone(self.agent.dvr_agent.dvr_mac_address)
self.assertFalse(self.agent.dvr_agent.in_distributed_mode())
self.assertEqual(add_int_flow_fn.call_count, 1)
def test_get_dvr_mac_address_retried(self):
valid_entry = {'host': 'cn1', 'mac_address': 'aa:22:33:44:55:66'}
raise_timeout = oslo_messaging.MessagingTimeout()
# Raise a timeout the first 2 times it calls get_dvr_mac_address()
self._setup_for_dvr_test()
self.agent.dvr_agent.dvr_mac_address = None
with mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_dvr_mac_address_by_host',
side_effect=(raise_timeout, raise_timeout,
valid_entry)):
self.agent.dvr_agent.get_dvr_mac_address()
self.assertEqual('aa:22:33:44:55:66',
self.agent.dvr_agent.dvr_mac_address)
self.assertTrue(self.agent.dvr_agent.in_distributed_mode())
self.assertEqual(self.agent.dvr_agent.plugin_rpc.
get_dvr_mac_address_by_host.call_count, 3)
def test_get_dvr_mac_address_retried_max(self):
raise_timeout = oslo_messaging.MessagingTimeout()
# Raise a timeout every time until we give up, currently 5 tries
self._setup_for_dvr_test()
self.agent.dvr_agent.dvr_mac_address = None
with contextlib.nested(
mock.patch.object(self.agent.dvr_agent.plugin_rpc,
'get_dvr_mac_address_by_host',
side_effect=raise_timeout),
mock.patch.object(utils, "execute"),
) as (rpc_mock, execute_mock):
self.agent.dvr_agent.get_dvr_mac_address()
self.assertIsNone(self.agent.dvr_agent.dvr_mac_address)
self.assertFalse(self.agent.dvr_agent.in_distributed_mode())
self.assertEqual(self.agent.dvr_agent.plugin_rpc.
get_dvr_mac_address_by_host.call_count, 5)
def test_dvr_mac_address_update(self):
self._setup_for_dvr_test()
newhost = 'cn2'
newmac = 'aa:bb:cc:dd:ee:ff'
int_ofport = self.agent.dvr_agent.int_ofports['physeth1']
patch_int_ofport = self.agent.dvr_agent.patch_int_ofport
patch_tun_ofport = self.agent.dvr_agent.patch_tun_ofport
with contextlib.nested(
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.phys_brs['physeth1'],
'add_flow')
) as (add_flow_fn, add_flow_tn_fn, del_flows_fn, add_flow_phys_fn):
self.agent.dvr_agent.\
dvr_mac_address_update(
dvr_macs=[{'host': newhost,
'mac_address': newmac}])
expected = [
mock.call(table=constants.LOCAL_SWITCHING,
priority=4,
in_port=int_ofport,
dl_src=newmac,
actions="resubmit(,%s)" %
constants.DVR_TO_SRC_MAC_VLAN),
mock.call(table=constants.LOCAL_SWITCHING,
priority=2,
in_port=patch_tun_ofport,
dl_src=newmac,
actions="resubmit(,%s)" %
constants.DVR_TO_SRC_MAC)]
self.assertEqual(expected, add_flow_fn.call_args_list)
add_flow_phys_fn.assert_called_with(
table=constants.DVR_NOT_LEARN_VLAN,
priority=2,
dl_src=newmac,
actions="output:%s" %
self.agent.dvr_agent.phys_ofports['physeth1'])
add_flow_tn_fn.assert_called_with(table=constants.DVR_NOT_LEARN,
priority=1,
dl_src=newmac,
actions="output:%s"
% patch_int_ofport)
self.assertFalse(del_flows_fn.called)
with contextlib.nested(
mock.patch.object(self.agent.dvr_agent.int_br, 'add_flow'),
mock.patch.object(self.agent.dvr_agent.tun_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.int_br, 'delete_flows'),
mock.patch.object(self.agent.dvr_agent.phys_brs['physeth1'],
'delete_flows'),
) as (add_flow_fn, del_flows_tn_fn, del_flows_fn, del_flows_phys_fn):
self.agent.dvr_agent.dvr_mac_address_update(dvr_macs=[])
ioport = self.agent.dvr_agent.int_ofports['physeth1']
expected = [
mock.call(table=constants.LOCAL_SWITCHING,
in_port=ioport,
dl_src=newmac),
mock.call(table=constants.LOCAL_SWITCHING,
in_port=patch_tun_ofport,
dl_src=newmac)]
self.assertEqual(expected, del_flows_fn.call_args_list)
del_flows_phys_fn.asert_called_with(
table=constants.DVR_NOT_LEARN_VLAN,
dl_src=newmac)
del_flows_tn_fn.assert_called_with(table=constants.DVR_NOT_LEARN,
dl_src=newmac)
self.assertFalse(add_flow_fn.called)