Merge "Remove neutron.common.rpc.RemoteError"

neutron/agent/dhcp_agent.py

@@ -22,6 +22,7 @@ eventlet.monkey_patch()
 
 import netaddr
 from oslo.config import cfg
+from oslo import messaging
 
 from neutron.agent.common import config
 from neutron.agent.linux import dhcp
@@ -138,7 +139,7 @@ class DhcpAgent(manager.Manager):
                         % {'net_id': network.id, 'action': action})
         except Exception as e:
             self.schedule_resync(e, network.id)
-            if (isinstance(e, n_rpc.RemoteError)
+            if (isinstance(e, messaging.RemoteError)
                 and e.exc_type == 'NetworkNotFound'
                 or isinstance(e, exceptions.NetworkNotFound)):
                 LOG.warning(_("Network %s has been deleted."), network.id)

neutron/agent/l3_agent.py

@@ -108,9 +108,9 @@ class L3PluginApi(n_rpc.RpcProxy):
     def get_external_network_id(self, context):
         """Make a remote process call to retrieve the external network id.
 
-        @raise n_rpc.RemoteError: with TooManyExternalNetworks as
-                                  exc_type if there are more than one
-                                  external network
+        @raise messaging.RemoteError: with TooManyExternalNetworks as
+                                      exc_type if there are more than one
+                                      external network
         """
         return self.call(context,
                          self.make_msg('get_external_network_id',
@@ -534,7 +534,7 @@ class L3NATAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback,
             try:
                 self.neutron_service_plugins = (
                     self.plugin_rpc.get_service_plugin_list(self.context))
-            except n_rpc.RemoteError as e:
+            except messaging.RemoteError as e:
                 with excutils.save_and_reraise_exception() as ctx:
                     ctx.reraise = False
                     LOG.warning(_LW('l3-agent cannot check service plugins '
@@ -750,7 +750,7 @@ class L3NATAgent(firewall_l3_agent.FWaaSL3AgentRpcCallback,
             self.target_ex_net_id = self.plugin_rpc.get_external_network_id(
                 self.context)
             return self.target_ex_net_id
-        except n_rpc.RemoteError as e:
+        except messaging.RemoteError as e:
             with excutils.save_and_reraise_exception() as ctx:
                 if e.exc_type == 'TooManyExternalNetworks':
                     ctx.reraise = False

neutron/common/rpc.py

@@ -275,5 +275,4 @@ def create_connection(new=True):
 
 
 # exceptions
-RemoteError = messaging.RemoteError
 MessagingTimeout = messaging.MessagingTimeout

neutron/db/l3_agentschedulers_db.py

@@ -18,6 +18,7 @@ import time
 
 from oslo.config import cfg
 from oslo.db import exception as db_exc
+from oslo import messaging
 import sqlalchemy as sa
 from sqlalchemy import func
 from sqlalchemy import orm
@@ -26,7 +27,6 @@ from sqlalchemy.orm import joinedload
 from sqlalchemy import sql
 
 from neutron.common import constants
-from neutron.common import rpc as n_rpc
 from neutron.common import utils as n_utils
 from neutron import context as n_ctx
 from neutron.db import agents_db
@@ -135,7 +135,7 @@ class L3AgentSchedulerDbMixin(l3agentscheduler.L3AgentSchedulerPluginBase,
                 try:
                     self.reschedule_router(context, binding.router_id)
                 except (l3agentscheduler.RouterReschedulingFailed,
-                        n_rpc.RemoteError):
+                        messaging.RemoteError):
                     # Catch individual router rescheduling errors here
                     # so one broken one doesn't stop the iteration.
                     LOG.exception(_LE("Failed to reschedule router %s"),

neutron/plugins/openvswitch/agent/ovs_dvr_neutron_agent.py

@@ -18,7 +18,6 @@ from oslo import messaging
 
 from neutron.api.rpc.handlers import dvr_rpc
 from neutron.common import constants as n_const
-from neutron.common import rpc as n_rpc
 from neutron.common import utils as n_utils
 from neutron.openstack.common import excutils
 from neutron.openstack.common.gettextutils import _LE, _LW, _LI
@@ -151,7 +150,7 @@ class OVSDVRNeutronAgent(dvr_rpc.DVRAgentRpcApiMixin):
     def get_dvr_mac_address(self):
         try:
             self.get_dvr_mac_address_with_retry()
-        except n_rpc.RemoteError as e:
+        except messaging.RemoteError as e:
             LOG.warning(_LW('L2 agent could not get DVR MAC address at '
                             'startup due to RPC error.  It happens when the '
                             'server does not support this RPC API.  Detailed '

neutron/tests/unit/openvswitch/test_agent_scheduler.py

@@ -20,6 +20,7 @@ import datetime
 import mock
 from oslo.config import cfg
 from oslo.db import exception as db_exc
+from oslo import messaging
 from webob import exc
 
 from neutron.api import extensions
@@ -28,7 +29,6 @@ from neutron.api.rpc.handlers import dhcp_rpc
 from neutron.api.rpc.handlers import l3_rpc
 from neutron.api.v2 import attributes
 from neutron.common import constants
-from neutron.common import rpc as n_rpc
 from neutron import context
 from neutron.db import agents_db
 from neutron.db import l3_agentschedulers_db
@@ -663,7 +663,7 @@ class OvsAgentSchedulerTestCase(OvsAgentSchedulerTestCaseBase):
             mock.patch.object(
                 plugin, 'reschedule_router',
                 side_effect=[
-                    db_exc.DBError(), n_rpc.RemoteError(),
+                    db_exc.DBError(), messaging.RemoteError(),
                     l3agentscheduler.RouterReschedulingFailed(router_id='f',
                                                               agent_id='f'),
                     ValueError('this raises')

neutron/tests/unit/openvswitch/test_ovs_neutron_agent.py

@@ -26,7 +26,6 @@ from neutron.agent.linux import ip_lib
 from neutron.agent.linux import ovs_lib
 from neutron.agent.linux import utils
 from neutron.common import constants as n_const
-from neutron.common import rpc as n_rpc
 from neutron.openstack.common import log
 from neutron.plugins.common import constants as p_const
 from neutron.plugins.openvswitch.agent import ovs_neutron_agent
@@ -533,7 +532,7 @@ class TestOvsNeutronAgent(base.BaseTestCase):
         with contextlib.nested(
                 mock.patch.object(self.agent.dvr_agent.plugin_rpc,
                                'get_dvr_mac_address_by_host',
-                               side_effect=n_rpc.RemoteError),
+                               side_effect=messaging.RemoteError),
                 mock.patch.object(self.agent.dvr_agent.int_br,
                                   'add_flow')) as (gd_mac, add_int_flow_fn):
 

neutron/tests/unit/test_dhcp_agent.py

@@ -20,6 +20,7 @@ import uuid
 import eventlet
 import mock
 from oslo.config import cfg
+from oslo import messaging
 import testtools
 
 from neutron.agent.common import config
@@ -29,7 +30,6 @@ from neutron.agent.linux import interface
 from neutron.common import config as common_config
 from neutron.common import constants as const
 from neutron.common import exceptions
-from neutron.common import rpc as n_rpc
 from neutron.tests import base
 
 
@@ -280,7 +280,7 @@ class TestDhcpAgent(base.BaseTestCase):
 
     def test_call_driver_remote_error_net_not_found(self):
         self._test_call_driver_failure(
-            exc=n_rpc.RemoteError(exc_type='NetworkNotFound'),
+            exc=messaging.RemoteError(exc_type='NetworkNotFound'),
             trace_level='warning')
 
     def test_call_driver_network_not_found(self):

neutron/tests/unit/test_l3_agent.py

@@ -30,7 +30,6 @@ 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
@@ -2221,7 +2220,7 @@ vrrp_instance VR_1 {
         self.assertTrue(self.plugin_api.get_service_plugin_list.called)
 
     def test_get_service_plugin_list_failed(self):
-        raise_rpc = n_rpc.RemoteError()
+        raise_rpc = messaging.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)