openstack/neutron
Code Issues Proposed changes

DVR: Correctly change MTU in fip namespace

Browse Source 
The code that ensures the fpr/rfp veth pair exists
between the qrouter and fip namespace was only setting
the mtu of the devices if it had to create them.  Set
it all the time to support the mtu being changed.

Change-Id: I176b5f4d4f12cf09f930e2c1944e98082a09bcc6
Closes-bug: #1823798
(cherry picked from commit 6ded6d217a)
This commit is contained in:
Brian Haley 2019-04-09 15:08:32 -04:00 committed by Arjun Baindur
parent f4a9b3d42c
commit 42a5a48c37
2 changed files with 8 additions and 6 deletions
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9
neutron/agent/l3/dvr_fip_ns.py
View File

@ -443,13 +443,14 @@ class FipNamespace(namespaces.Namespace):
rtr_2_fip_dev, fip_2_rtr_dev = ip_wrapper.add_veth(rtr_2_fip_name,
fip_2_rtr_name,
fip_ns_name)
mtu = ri.get_ex_gw_port().get('mtu')
if mtu:
rtr_2_fip_dev.link.set_mtu(mtu)
fip_2_rtr_dev.link.set_mtu(mtu)
rtr_2_fip_dev.link.set_up()
fip_2_rtr_dev.link.set_up()
mtu = ri.get_ex_gw_port().get('mtu')
if mtu:
rtr_2_fip_dev.link.set_mtu(mtu)
fip_2_rtr_dev.link.set_mtu(mtu)
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))

5
neutron/tests/unit/agent/l3/test_dvr_fip_ns.py
View File

@ -302,10 +302,11 @@ class TestDvrFipNs(base.BaseTestCase):
fip_2_rtr_name,
fip_ns_name)
device.link.set_mtu.assert_called_with(2000)
self.assertEqual(2, device.link.set_mtu.call_count)
self.assertEqual(2, device.link.set_up.call_count)
device.link.set_mtu.assert_called_with(2000)
self.assertEqual(2, device.link.set_mtu.call_count)
if not addr_exists:
expected = [mock.call(str(addr_pair[0]), add_broadcast=False),
mock.call(str(addr_pair[1]), add_broadcast=False)]