openstack/neutron
Code Issues Proposed changes

Update in-tree code to use new neighbour functions

Browse Source 
Changed the Linux Bridge agent and some functional tests
to use the new neighbour code in ip_lib.

Marked IpNeighCommand.show() as deprecated in favor of
using 'dump' instead.

Change-Id: I8d8d074010561aa7eba04b6a519ba18f8bac0312
This commit is contained in:
Brian Haley 2017-01-17 15:05:29 -05:00
parent 96bffbf6d2
commit 49e84a7038
5 changed files with 27 additions and 37 deletions
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4
neutron/agent/linux/ip_lib.py
View File

@ -16,6 +16,7 @@
import os
import re
from debtcollector import removals
import eventlet
import netaddr
from neutron_lib import constants
@ -847,6 +848,9 @@ class IpNeighCommand(IpDeviceCommandBase):
self._parent.namespace,
**kwargs)
@removals.remove(
version='Ocata', removal_version='Pike',
message="Use 'dump' in IpNeighCommand() class instead")
def show(self, ip_version):
options = [ip_version]
return self._as_root(options,

13
neutron/plugins/ml2/drivers/linuxbridge/agent/linuxbridge_neutron_agent.py
View File

@ -34,7 +34,6 @@ from six import moves
from neutron._i18n import _LE, _LI, _LW
from neutron.agent.linux import bridge_lib
from neutron.agent.linux import ip_lib
from neutron.agent.linux import utils
from neutron.api.rpc.handlers import securitygroups_rpc as sg_rpc
from neutron.common import config as common_config
from neutron.common import exceptions
@ -667,10 +666,10 @@ class LinuxBridgeManager(amb.CommonAgentManagerBase):
LOG.debug('Using %s VXLAN mode', self.vxlan_mode)
def fdb_ip_entry_exists(self, mac, ip, interface):
entries = utils.execute(['ip', 'neigh', 'show', 'to', ip,
'dev', interface],
run_as_root=True)
return mac in entries
ip_version = ip_lib.get_ip_version(ip)
entry = ip_lib.dump_neigh_entries(ip_version, interface, dst=ip,
lladdr=mac)
return entry != []
def fdb_bridge_entry_exists(self, mac, interface, agent_ip=None):
entries = bridge_lib.FdbInterface.show(interface)
@ -681,11 +680,11 @@ class LinuxBridgeManager(amb.CommonAgentManagerBase):
def add_fdb_ip_entry(self, mac, ip, interface):
if cfg.CONF.VXLAN.arp_responder:
ip_lib.IPDevice(interface).neigh.add(ip, mac)
ip_lib.add_neigh_entry(ip, mac, interface)
def remove_fdb_ip_entry(self, mac, ip, interface):
if cfg.CONF.VXLAN.arp_responder:
ip_lib.IPDevice(interface).neigh.delete(ip, mac)
ip_lib.delete_neigh_entry(ip, mac, interface)
def add_fdb_entries(self, agent_ip, ports, interface):
for mac, ip in ports:

8
neutron/tests/functional/agent/l3/test_dvr_router.py
View File

@ -805,9 +805,11 @@ class TestDvrRouter(framework.L3AgentTestFramework):
router1 = self.manage_router(self.agent, router_info)
internal_device = router1.get_internal_device_name(
router_info['_interfaces'][0]['id'])
neighbors = ip_lib.IPDevice(internal_device, router1.ns_name).neigh
self.assertEqual(expected_neighbor,
neighbors.show(ip_version=4).split()[0])
neighbor = ip_lib.dump_neigh_entries(4, internal_device,
router1.ns_name,
dst=expected_neighbor)
self.assertNotEqual([], neighbor)
self.assertEqual(expected_neighbor, neighbor[0]['dst'])
def _assert_rfp_fpr_mtu(self, router, expected_mtu=1500):
dev_mtu = self.get_device_mtu(

23
neutron/tests/functional/agent/l3/test_keepalived_state_change.py
View File

@ -14,7 +14,6 @@
import functools
import os
import re
import eventlet
import mock
@ -30,26 +29,12 @@ from neutron.tests.common import machine_fixtures as mf
from neutron.tests.common import net_helpers
from neutron.tests.functional import base
IPV4_NEIGH_REGEXP = re.compile(
r'(?P<ip>(\d{1,3}\.){3}\d{1,3}) '
'.*(?P<mac>([0-9A-Fa-f]{2}:){5}([0-9A-Fa-f]){2}).*')
def get_arp_ip_mac_pairs(device_name, namespace):
"""Generate (ip, mac) pairs from device's ip neigh.
Each neigh entry has following format:
192.168.0.1 lladdr fa:16:3e:01:ba:d3 STALE
"""
device = ip_lib.IPDevice(device_name, namespace)
for entry in device.neigh.show(ip_version=4).splitlines():
match = IPV4_NEIGH_REGEXP.match(entry)
if match:
yield match.group('ip'), match.group('mac')
def has_expected_arp_entry(device_name, namespace, ip, mac):
return (ip, mac) in get_arp_ip_mac_pairs(device_name, namespace)
ip_version = ip_lib.get_ip_version(ip)
entry = ip_lib.dump_neigh_entries(ip_version, device_name, namespace,
dst=ip, lladdr=mac)
return entry != []
class TestKeepalivedStateChange(base.BaseSudoTestCase):

16
neutron/tests/unit/plugins/ml2/drivers/linuxbridge/agent/test_linuxbridge_neutron_agent.py
View File

@ -953,7 +953,7 @@ class TestLinuxBridgeRpcCallbacks(base.BaseTestCase):
with mock.patch.object(utils, 'execute',
return_value='') as execute_fn, \
mock.patch.object(ip_lib.IpNeighCommand, 'add',
mock.patch.object(ip_lib, 'add_neigh_entry',
return_value='') as add_fn:
self.lb_rpc.fdb_add(None, fdb_entries)
@ -972,7 +972,7 @@ class TestLinuxBridgeRpcCallbacks(base.BaseTestCase):
]
execute_fn.assert_has_calls(expected)
if proxy_enabled:
add_fn.assert_called_with('port_ip', 'port_mac')
add_fn.assert_called_with('port_ip', 'port_mac', 'vxlan-1')
else:
add_fn.assert_not_called()
@ -1022,7 +1022,7 @@ class TestLinuxBridgeRpcCallbacks(base.BaseTestCase):
with mock.patch.object(utils, 'execute',
return_value='') as execute_fn, \
mock.patch.object(ip_lib.IpNeighCommand, 'delete',
mock.patch.object(ip_lib, 'delete_neigh_entry',
return_value='') as del_fn:
self.lb_rpc.fdb_remove(None, fdb_entries)
@ -1039,7 +1039,7 @@ class TestLinuxBridgeRpcCallbacks(base.BaseTestCase):
]
execute_fn.assert_has_calls(expected)
if proxy_enabled:
del_fn.assert_called_with('port_ip', 'port_mac')
del_fn.assert_called_with('port_ip', 'port_mac', 'vxlan-1')
else:
del_fn.assert_not_called()
@ -1057,15 +1057,15 @@ class TestLinuxBridgeRpcCallbacks(base.BaseTestCase):
{'before': [['port_mac', 'port_ip_1']],
'after': [['port_mac', 'port_ip_2']]}}}}
with mock.patch.object(ip_lib.IpNeighCommand, 'add',
with mock.patch.object(ip_lib, 'add_neigh_entry',
return_value='') as add_fn, \
mock.patch.object(ip_lib.IpNeighCommand, 'delete',
mock.patch.object(ip_lib, 'delete_neigh_entry',
return_value='') as del_fn:
self.lb_rpc.fdb_update(None, fdb_entries)
if proxy_enabled:
del_fn.assert_called_with('port_ip_1', 'port_mac')
add_fn.assert_called_with('port_ip_2', 'port_mac')
del_fn.assert_called_with('port_ip_1', 'port_mac', 'vxlan-1')
add_fn.assert_called_with('port_ip_2', 'port_mac', 'vxlan-1')
else:
del_fn.assert_not_called()
add_fn.assert_not_called()