x/vmware-nsx
Code Issues Proposed changes

OFAgent: Fixing lost vlan ids on interfaces

Browse Source 
Port the following patch to OFAgent.
commit: 60cb091171
https://review.openstack.org/#/c/66375/

Closes-Bug: #1309286

Change-Id: I04f99ef7928cd07959b29eb64b5744df397979b8
This commit is contained in:
fumihiko kakuma 2014-04-14 14:17:31 +09:00
parent fc832a0cd7
commit c1827a0746
2 changed files with 55 additions and 3 deletions
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27
neutron/plugins/ofagent/agent/ofa_neutron_agent.py
View File

@ -956,6 +956,9 @@ class OFANeutronAgent(sg_rpc.SecurityGroupAgentRpcCallbackMixin):
cur_ports = self.int_br.get_vif_port_set()
self.int_br_device_count = len(cur_ports)
port_info = {'current': cur_ports}
if updated_ports is None:
updated_ports = set()
updated_ports.update(self._find_lost_vlan_port(registered_ports))
if updated_ports:
# Some updated ports might have been removed in the
# meanwhile, and therefore should not be processed.
@ -974,6 +977,30 @@ class OFANeutronAgent(sg_rpc.SecurityGroupAgentRpcCallbackMixin):
port_info['removed'] = registered_ports - cur_ports
return port_info
def _find_lost_vlan_port(self, registered_ports):
"""Return ports which have lost their vlan tag.
The returned value is a set of port ids of the ports concerned by a
vlan tag loss.
"""
port_tags = self.int_br.get_port_tag_dict()
changed_ports = set()
for lvm in self.local_vlan_map.values():
for port in registered_ports:
if (
port in lvm.vif_ports
and lvm.vif_ports[port].port_name in port_tags
and port_tags[lvm.vif_ports[port].port_name] != lvm.vlan
):
LOG.info(
_("Port '%(port_name)s' has lost "
"its vlan tag '%(vlan_tag)d'!"),
{'port_name': lvm.vif_ports[port].port_name,
'vlan_tag': lvm.vlan}
)
changed_ports.add(port)
return changed_ports
def update_ancillary_ports(self, registered_ports):
ports = set()
for bridge in self.ancillary_brs:

31
neutron/tests/unit/ofagent/test_ofa_neutron_agent.py
View File

@ -24,6 +24,7 @@ from oslo.config import cfg
import testtools
from neutron.agent.linux import ip_lib
from neutron.agent.linux import ovs_lib
from neutron.agent.linux import utils
from neutron.openstack.common import importutils
from neutron.plugins.common import constants as p_const
@ -310,9 +311,14 @@ class TestOFANeutronAgent(OFAAgentTestCase):
self._test_port_dead(self.mod_agent.DEAD_VLAN_TAG)
def mock_scan_ports(self, vif_port_set=None, registered_ports=None,
updated_ports=None):
with mock.patch.object(self.agent.int_br, 'get_vif_port_set',
return_value=vif_port_set):
updated_ports=None, port_tags_dict=None):
port_tags_dict = port_tags_dict or {}
with contextlib.nested(
mock.patch.object(self.agent.int_br, 'get_vif_port_set',
return_value=vif_port_set),
mock.patch.object(self.agent.int_br, 'get_port_tag_dict',
return_value=port_tags_dict)
):
return self.agent.scan_ports(registered_ports, updated_ports)
def test_scan_ports_returns_current_only_for_unchanged_ports(self):
@ -365,6 +371,25 @@ class TestOFANeutronAgent(OFAAgentTestCase):
updated_ports)
self.assertEqual(expected, actual)
def test_update_ports_returns_lost_vlan_port(self):
br = self.mod_agent.OVSBridge('br-int', 'fake_helper', self.ryuapp)
mac = "ca:fe:de:ad:be:ef"
port = ovs_lib.VifPort(1, 1, 1, mac, br)
lvm = self.mod_agent.LocalVLANMapping(
1, '1', None, 1, {port.vif_id: port})
local_vlan_map = {'1': lvm}
vif_port_set = set([1, 3])
registered_ports = set([1, 2])
port_tags_dict = {1: []}
expected = dict(
added=set([3]), current=vif_port_set,
removed=set([2]), updated=set([1])
)
with mock.patch.dict(self.agent.local_vlan_map, local_vlan_map):
actual = self.mock_scan_ports(
vif_port_set, registered_ports, port_tags_dict=port_tags_dict)
self.assertEqual(expected, actual)
def test_treat_devices_added_returns_true_for_missing_device(self):
with mock.patch.object(self.agent.plugin_rpc, 'get_device_details',
side_effect=Exception()):