Merge "Skip FWaaS config mismatch check if RPC method is unsupported"

This commit is contained in:
Jenkins 2014-08-19 08:12:42 +00:00 committed by Gerrit Code Review
commit e8fdcf0bc5
4 changed files with 64 additions and 20 deletions

View File

@ -518,8 +518,18 @@ class L3NATAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback, manager.Manager):
self.sync_progress = False
# Get the list of service plugins from Neutron Server
self.neutron_service_plugins = (
self.plugin_rpc.get_service_plugin_list(self.context))
try:
self.neutron_service_plugins = (
self.plugin_rpc.get_service_plugin_list(self.context))
except n_rpc.RemoteError as e:
LOG.warning(_('l3-agent cannot check service plugins '
'enabled at the neutron server when startup '
'due to RPC error. It happens when the server '
'does not support this RPC API. If the error '
'is UnsupportedVersion you can ignore '
'this warning. Detail message: %s'), e)
self.neutron_service_plugins = None
self._clean_stale_namespaces = self.conf.use_namespaces
# dvr data

View File

@ -62,16 +62,20 @@ class FWaaSL3AgentRpcCallback(api.FWaaSAgentRpcCallbackMixin):
LOG.debug(_("Initializing firewall agent"))
self.conf = conf
fwaas_driver_class_path = cfg.CONF.fwaas.driver
fwaas_enabled = cfg.CONF.fwaas.enabled
fwaas_plugin_configured = (constants.FIREWALL
in self.neutron_service_plugins)
if fwaas_plugin_configured and not fwaas_enabled:
msg = _("FWaaS plugin is configured in the server side, but "
"FWaaS is disabled in L3-agent.")
LOG.error(msg)
raise SystemExit(1)
self.fwaas_enabled = cfg.CONF.fwaas.enabled
# None means l3-agent has no information on the server
# configuration due to the lack of RPC support.
if self.neutron_service_plugins is not None:
fwaas_plugin_configured = (constants.FIREWALL
in self.neutron_service_plugins)
if fwaas_plugin_configured and not self.fwaas_enabled:
msg = _("FWaaS plugin is configured in the server side, but "
"FWaaS is disabled in L3-agent.")
LOG.error(msg)
raise SystemExit(1)
self.fwaas_enabled = self.fwaas_enabled and fwaas_plugin_configured
self.fwaas_enabled = fwaas_enabled and fwaas_plugin_configured
if self.fwaas_enabled:
try:
self.fwaas_driver = importutils.import_object(

View File

@ -28,6 +28,7 @@ from neutron.agent.linux import ip_lib
from neutron.common import config as base_config
from neutron import context
from neutron.plugins.common import constants
from neutron.services.firewall.agents import firewall_agent_api
from neutron.services.firewall.agents.l3reference import firewall_l3_agent
from neutron.tests import base
from neutron.tests.unit.services.firewall.agents import test_firewall_agent_api
@ -41,14 +42,13 @@ class FWaasHelper(object):
class FWaasAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback, FWaasHelper):
neutron_service_plugins = []
def __init__(self, conf=None):
super(FWaasAgent, self).__init__(conf)
def _setup_test_agent_class(service_plugins):
class FWaasTestAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback,
FWaasHelper):
neutron_service_plugins = service_plugins
class FWaasTestAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback, FWaasHelper):
def __init__(self, conf=None):
self.neutron_service_plugins = [constants.FIREWALL]
super(FWaasTestAgent, self).__init__(conf)
return FWaasTestAgent
class TestFwaasL3AgentRpcCallback(base.BaseTestCase):
@ -61,12 +61,26 @@ class TestFwaasL3AgentRpcCallback(base.BaseTestCase):
agent_config.register_use_namespaces_opts_helper(self.conf)
agent_config.register_root_helper(self.conf)
self.conf.root_helper = 'sudo'
self.conf.register_opts(firewall_agent_api.FWaaSOpts, 'fwaas')
self.api = FWaasAgent(self.conf)
self.api.fwaas_driver = test_firewall_agent_api.NoopFwaasDriver()
def test_missing_fw_config(self):
self.conf.fwaas_enabled = False
self.assertRaises(SystemExit, FWaasTestAgent, self.conf)
def test_fw_config_match(self):
test_agent_class = _setup_test_agent_class([constants.FIREWALL])
cfg.CONF.set_override('enabled', True, 'fwaas')
with mock.patch('neutron.openstack.common.importutils.import_object'):
test_agent_class(cfg.CONF)
def test_fw_config_mismatch_plugin_enabled_agent_disabled(self):
test_agent_class = _setup_test_agent_class([constants.FIREWALL])
cfg.CONF.set_override('enabled', False, 'fwaas')
self.assertRaises(SystemExit, test_agent_class, cfg.CONF)
def test_fw_plugin_list_unavailable(self):
test_agent_class = _setup_test_agent_class(None)
cfg.CONF.set_override('enabled', False, 'fwaas')
with mock.patch('neutron.openstack.common.importutils.import_object'):
test_agent_class(cfg.CONF)
def test_create_firewall(self):
fake_firewall = {'id': 0}

View File

@ -28,8 +28,10 @@ from neutron.agent.linux import interface
from neutron.common import config as base_config
from neutron.common import constants as l3_constants
from neutron.common import exceptions as n_exc
from neutron.common import rpc as n_rpc
from neutron.openstack.common import processutils
from neutron.openstack.common import uuidutils
from neutron.plugins.common import constants as p_const
from neutron.tests import base
@ -2044,6 +2046,20 @@ class TestBasicRouterOperations(base.BaseTestCase):
str(fip_to_rtr.ip), table=16)
f.assert_called_once_with(fip_ns_name)
def test_get_service_plugin_list(self):
service_plugins = [p_const.L3_ROUTER_NAT]
self.plugin_api.get_service_plugin_list.return_value = service_plugins
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.assertEqual(service_plugins, agent.neutron_service_plugins)
self.assertTrue(self.plugin_api.get_service_plugin_list.called)
def test_get_service_plugin_list_failed(self):
raise_rpc = n_rpc.RemoteError()
self.plugin_api.get_service_plugin_list.side_effect = raise_rpc
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.assertIsNone(agent.neutron_service_plugins)
self.assertTrue(self.plugin_api.get_service_plugin_list.called)
class TestL3AgentEventHandler(base.BaseTestCase):