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openstack-neutron-doc
0002-Add-permanent-ARP-entries-for-DVR-fip-qrou...
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File 0002-Add-permanent-ARP-entries-for-DVR-fip-qrouter-veth-p.patch of Package openstack-neutron-doc
From 685d9745f2dac84a865f389f6a14f4b551e565ae Mon Sep 17 00:00:00 2001 From: Brian Haley <bhaley@redhat.com> Date: Wed, 3 Oct 2018 14:35:05 -0400 Subject: [PATCH 2/5] Add permanent ARP entries for DVR fip/qrouter veth pair Since we know the IP and MAC addresses of both sides of the fip/qrouter namespace veth pair device, just add permanent ARP entries for them. Change-Id: I6193b00681dfb79222eedfd00c89620321ac1b4f Related-Bug: #1791989 (cherry picked from commit ac5815a110f0033c1a217481822fc0c72c1ba16c) --- neutron/agent/l3/dvr_fip_ns.py | 7 +++++++ neutron/tests/unit/agent/l3/test_dvr_fip_ns.py | 6 ++++++ 2 files changed, 13 insertions(+) Index: neutron-9.4.2.dev21/neutron/agent/l3/dvr_fip_ns.py =================================================================== --- neutron-9.4.2.dev21.orig/neutron/agent/l3/dvr_fip_ns.py +++ neutron-9.4.2.dev21/neutron/agent/l3/dvr_fip_ns.py @@ -391,6 +391,13 @@ class FipNamespace(namespaces.Namespace) self._add_cidr_to_device(rtr_2_fip_dev, str(rtr_2_fip)) self._add_cidr_to_device(fip_2_rtr_dev, str(fip_2_rtr)) + + # Add permanant ARP entries on each side of veth pair + rtr_2_fip_dev.neigh.add(common_utils.cidr_to_ip(fip_2_rtr), + fip_2_rtr_dev.link.address) + fip_2_rtr_dev.neigh.add(common_utils.cidr_to_ip(rtr_2_fip), + rtr_2_fip_dev.link.address) + self._add_rtr_ext_route_rule_to_route_table(ri, fip_2_rtr, fip_2_rtr_name) Index: neutron-9.4.2.dev21/neutron/tests/unit/agent/l3/test_dvr_fip_ns.py =================================================================== --- neutron-9.4.2.dev21.orig/neutron/tests/unit/agent/l3/test_dvr_fip_ns.py +++ neutron-9.4.2.dev21/neutron/tests/unit/agent/l3/test_dvr_fip_ns.py @@ -24,6 +24,7 @@ from neutron.agent.l3 import router_info from neutron.agent.linux import ip_lib from neutron.agent.linux import iptables_manager from neutron.common import exceptions as n_exc +from neutron.common import utils as n_utils from neutron.tests import base _uuid = uuidutils.generate_uuid @@ -301,6 +302,11 @@ class TestDvrFipNs(base.BaseTestCase): device.addr.add.assert_has_calls(expected) self.assertEqual(2, device.addr.add.call_count) + expected = [mock.call(n_utils.cidr_to_ip(addr_pair[1]), mock.ANY), + mock.call(n_utils.cidr_to_ip(addr_pair[0]), mock.ANY)] + device.neigh.add.assert_has_calls(expected) + self.assertEqual(2, device.neigh.add.call_count) + device.route.add_gateway.assert_called_once_with( '169.254.31.29', table=16) self.assertTrue(
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