openstack
/
neutron
Code Issues Proposed changes

Remove the l2pop agent_boot_time config

Browse Source 
It was marked as deprecated, so let's do a quick
removal.

Related-Bug: #1813714
Change-Id: Ibc039b34b826641811a7e08b0d1bff0fd21b9193
changes/66/641866/14
LIU Yulong 4 years ago committed by Brian Haley
parent a89244459a
commit 76c0280635
6 changed files with 36 additions and 127 deletions
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34
neutron/conf/plugins/ml2/drivers/l2pop.py
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@ -1,34 +0,0 @@
# Copyright (c) 2013 OpenStack Foundation.
# All Rights Reserved.
#
# 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.
from oslo_config import cfg
from neutron._i18n import _
l2_population_options = [
cfg.IntOpt('agent_boot_time', default=180,
deprecated_for_removal=True,
deprecated_since='Stein',
help=_('Delay within which agent is expected to update '
'existing ports when it restarts. This option '
'is deprecated in favor of direct RPC restart '
'state transfer and will be removed in a future '
'release.')),
]
def register_l2_population_opts(cfg=cfg.CONF):
cfg.register_opts(l2_population_options, "l2pop")

3
neutron/opts.py
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@ -43,7 +43,6 @@ import neutron.conf.extensions.allowedaddresspairs
import neutron.conf.plugins.ml2.config
import neutron.conf.plugins.ml2.drivers.agent
import neutron.conf.plugins.ml2.drivers.driver_type
import neutron.conf.plugins.ml2.drivers.l2pop
import neutron.conf.plugins.ml2.drivers.linuxbridge
import neutron.conf.plugins.ml2.drivers.macvtap
import neutron.conf.plugins.ml2.drivers.mech_sriov.agent_common
@ -268,8 +267,6 @@ def list_ml2_conf_opts():
neutron.conf.plugins.ml2.drivers.driver_type.geneve_opts),
('securitygroup',
neutron.conf.agent.securitygroups_rpc.security_group_opts),
('l2pop',
neutron.conf.plugins.ml2.drivers.l2pop.l2_population_options),
('ovs_driver',
neutron.conf.plugins.ml2.drivers.openvswitch.mech_ovs_conf.
ovs_driver_opts),

22
neutron/plugins/ml2/drivers/l2pop/mech_driver.py
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@ -19,19 +19,15 @@ from neutron_lib import exceptions
from neutron_lib.plugins import constants as plugin_constants
from neutron_lib.plugins import directory
from neutron_lib.plugins.ml2 import api
from oslo_config import cfg
from oslo_log import log as logging
from neutron._i18n import _
from neutron.conf.plugins.ml2.drivers import l2pop as config
from neutron.db import l3_hamode_db
from neutron.plugins.ml2.drivers.l2pop import db as l2pop_db
from neutron.plugins.ml2.drivers.l2pop import rpc as l2pop_rpc
LOG = logging.getLogger(__name__)
config.register_l2_population_opts()
class L2populationMechanismDriver(api.MechanismDriver):
@ -253,19 +249,6 @@ class L2populationMechanismDriver(api.MechanismDriver):
return agents
# This will be removed in next T release
def agent_restarted(self, context):
agent_host = context.host
port_context = context._plugin_context
agent = l2pop_db.get_agent_by_host(port_context, agent_host)
if l2pop_db.get_agent_uptime(agent) < cfg.CONF.l2pop.agent_boot_time:
LOG.warning("Agent on host '%s' did not supply 'agent_restarted' "
"information in RPC message, determined it restarted "
"based on deprecated 'agent_boot_time' config option.",
agent_host)
return True
return False
def update_port_down(self, context):
port = context.current
agent_host = context.host
@ -287,7 +270,7 @@ class L2populationMechanismDriver(api.MechanismDriver):
self.L2populationAgentNotify.remove_fdb_entries(
self.rpc_ctx, fdb_entries)
def update_port_up(self, context, agent_restarted=None):
def update_port_up(self, context, agent_restarted=False):
port = context.current
agent_host = context.host
port_context = context._plugin_context
@ -313,9 +296,6 @@ class L2populationMechanismDriver(api.MechanismDriver):
# with high concurrency more than 1 port may be activated on an agent
# at the same time (like VM port + a DVR port) so checking for 1 or 2
is_first_port = agent_active_ports in (1, 2)
if agent_restarted is None:
# Only for backport compatibility, will be removed.
agent_restarted = self.agent_restarted(context)
if is_first_port or agent_restarted:
# First port(s) activated on current agent in this network,
# we have to provide it with the whole list of fdb entries

6
neutron/plugins/ml2/rpc.py
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@ -263,7 +263,7 @@ class RpcCallbacks(type_tunnel.TunnelRpcCallbackMixin):
def update_device_up(self, rpc_context, **kwargs):
"""Device is up on agent."""
agent_restarted = kwargs.pop('agent_restarted', None)
agent_restarted = kwargs.pop('agent_restarted', False)
agent_id, host, device = self._get_request_details(kwargs)
LOG.debug("Device %(device)s up at agent %(agent_id)s",
{'device': device, 'agent_id': agent_id})
@ -316,7 +316,7 @@ class RpcCallbacks(type_tunnel.TunnelRpcCallbackMixin):
provisioning_blocks.L2_AGENT_ENTITY)
def notify_l2pop_port_wiring(self, port_id, rpc_context,
status, host, agent_restarted=None):
status, host, agent_restarted=False):
"""Notify the L2pop driver that a port has been wired/unwired.
The L2pop driver uses this notification to broadcast forwarding
@ -339,8 +339,6 @@ class RpcCallbacks(type_tunnel.TunnelRpcCallbackMixin):
# and so we don't need to update it again here. But, l2pop did not
# handle DVR ports while restart neutron-*-agent, we need to handle
# it here.
if agent_restarted is None:
agent_restarted = l2pop_driver.obj.agent_restarted(port_context)
if (port['device_owner'] == n_const.DEVICE_OWNER_DVR_INTERFACE and
not agent_restarted):
return

93
neutron/tests/unit/plugins/ml2/drivers/l2pop/test_mech_driver.py
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@ -13,8 +13,6 @@
# License for the specific language governing permissions and limitations
# under the License.
import datetime
import mock
from neutron_lib.agent import topics
@ -353,49 +351,36 @@ class TestL2PopulationRpcTestCase(test_plugin.Ml2PluginV2TestCase):
self.mock_fanout.assert_called_with(
mock.ANY, 'remove_fdb_entries', expected)
def _test_ovs_agent_restarted_with_dvr_port(
self, agent_boot_timeout=True, agent_restarted=False):
def test_ovs_agent_restarted_with_dvr_port(self):
plugin = directory.get_plugin()
router = self._create_dvr_router()
with mock.patch.object(l2pop_mech_driver.L2populationMechanismDriver,
'agent_restarted',
return_value=agent_boot_timeout):
with self.subnet(network=self._network,
enable_dhcp=False) as snet:
with self.port(
subnet=snet,
project_id=self.tenant,
device_owner=constants.DEVICE_OWNER_DVR_INTERFACE)\
as port:
port_id = port['port']['id']
plugin.update_distributed_port_binding(self.adminContext,
port_id, {'port': {portbindings.HOST_ID: HOST_4,
'device_id': router['id']}})
port = self._show('ports', port_id,
neutron_context=self.adminContext)
self.assertEqual(portbindings.VIF_TYPE_DISTRIBUTED,
port['port'][portbindings.VIF_TYPE])
self.callbacks.update_device_up(
self.adminContext,
agent_id=HOST_4,
device=port_id,
host=HOST_4,
agent_restarted=agent_restarted)
fanout_expected = {port['port']['network_id']: {
'network_type': u'vxlan',
'ports': {
u'20.0.0.4': [('00:00:00:00:00:00', '0.0.0.0')]},
'segment_id': 1}}
self.mock_fanout.assert_called_with(mock.ANY,
'add_fdb_entries',
fanout_expected)
def test_ovs_agent_restarted_with_dvr_port_boot_config_timeout(self):
self._test_ovs_agent_restarted_with_dvr_port()
def test_ovs_agent_restarted_with_dvr_port_rpc_send_timeout(self):
self._test_ovs_agent_restarted_with_dvr_port(
agent_boot_timeout=False, agent_restarted=True)
with self.subnet(network=self._network,
enable_dhcp=False) as snet:
with self.port(
subnet=snet,
project_id=self.tenant,
device_owner=constants.DEVICE_OWNER_DVR_INTERFACE)\
as port:
port_id = port['port']['id']
plugin.update_distributed_port_binding(self.adminContext,
port_id, {'port': {portbindings.HOST_ID: HOST_4,
'device_id': router['id']}})
port = self._show('ports', port_id,
neutron_context=self.adminContext)
self.assertEqual(portbindings.VIF_TYPE_DISTRIBUTED,
port['port'][portbindings.VIF_TYPE])
self.callbacks.update_device_up(self.adminContext,
agent_id=HOST_4,
device=port_id,
host=HOST_4,
agent_restarted=True)
fanout_expected = {port['port']['network_id']: {
'network_type': u'vxlan',
'ports': {u'20.0.0.4': [('00:00:00:00:00:00', '0.0.0.0')]},
'segment_id': 1}}
self.mock_fanout.assert_called_with(mock.ANY,
'add_fdb_entries',
fanout_expected)
def test_ha_agents_with_dvr_rtr_does_not_get_other_fdb(self):
router = self._create_dvr_router()
@ -1526,25 +1511,3 @@ class TestL2PopulationMechDriver(base.BaseTestCase):
mech_driver = l2pop_mech_driver.L2populationMechanismDriver()
with testtools.ExpectedException(exceptions.InvalidInput):
mech_driver.update_port_precommit(ctx)
def test_agent_restarted(self):
mech_driver = l2pop_mech_driver.L2populationMechanismDriver()
ctx = mock.Mock()
ctx.host = "__host1__"
ctx._plugin_context = {}
agent = mock.Mock()
agent.started_at = datetime.datetime(2018, 5, 25, 15, 51, 20)
agent.heartbeat_timestamp = datetime.datetime(2018, 5, 25, 15,
51, 50)
with mock.patch.object(l2pop_db, 'get_agent_by_host',
return_value=agent):
res = mech_driver.agent_restarted(ctx)
self.assertTrue(res)
agent.heartbeat_timestamp = datetime.datetime(2018, 5, 25, 15,
58, 30)
with mock.patch.object(l2pop_db, 'get_agent_by_host',
return_value=agent):
res = mech_driver.agent_restarted(ctx)
self.assertFalse(res)

5
releasenotes/notes/remove-l2pop-agent_boot_time-0cec3d5908d8c054.yaml
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@ -0,0 +1,5 @@
---
upgrade:
- |
The deprecated L2 population ``agent_boot_time`` config option was removed and
is no longer needed as of the Stein release.
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