vmware-nsx/neutron/plugins/nec/router_drivers.py
Gary Kotton 07876135ed Update i18n translation for NEC plugin log msg's
All the log messages now have the required hints. In addition to
this debug messages are not translated. This is done for the
plugins/nec directory.

Change-Id: Ic0a352cd61131637c471931e3e73995e2143675f
2014-12-05 00:00:29 -08:00

221 lines
8.9 KiB
Python

# Copyright 2013 NEC Corporation. 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.
import abc
import httplib
from oslo.utils import excutils
import six
from neutron.common import log as call_log
from neutron.common import utils
from neutron.i18n import _LE, _LW
from neutron.openstack.common import log as logging
from neutron.plugins.nec.common import constants as nconst
from neutron.plugins.nec.common import exceptions as nexc
LOG = logging.getLogger(__name__)
PROVIDER_OPENFLOW = nconst.ROUTER_PROVIDER_OPENFLOW
@six.add_metaclass(abc.ABCMeta)
class RouterDriverBase(object):
def __init__(self, plugin, ofc_manager):
self.plugin = plugin
self.ofc = ofc_manager
def floating_ip_support(self):
return True
@abc.abstractmethod
def create_router(self, context, tenant_id, router):
pass
@abc.abstractmethod
def update_router(self, context, router_id, old_router, new_router):
pass
@abc.abstractmethod
def delete_router(self, context, router_id, router):
pass
@abc.abstractmethod
def add_interface(self, context, router_id, port):
pass
@abc.abstractmethod
def delete_interface(self, context, router_id, port):
pass
class RouterL3AgentDriver(RouterDriverBase):
need_gw_info = False
@call_log.log
def create_router(self, context, tenant_id, router):
return router
@call_log.log
def update_router(self, context, router_id, old_router, new_router):
return new_router
@call_log.log
def delete_router(self, context, router_id, router):
pass
@call_log.log
def add_interface(self, context, router_id, port):
return self.plugin.activate_port_if_ready(context, port)
@call_log.log
def delete_interface(self, context, router_id, port):
return self.plugin.deactivate_port(context, port)
class RouterOpenFlowDriver(RouterDriverBase):
need_gw_info = True
def floating_ip_support(self):
return self.ofc.driver.router_nat_supported
def _process_gw_port(self, gw_info, routes):
if gw_info and gw_info['gateway_ip']:
routes.append({'destination': '0.0.0.0/0',
'nexthop': gw_info['gateway_ip']})
@call_log.log
def create_router(self, context, tenant_id, router):
try:
router_id = router['id']
added_routes = []
self.ofc.ensure_ofc_tenant(context, tenant_id)
self.ofc.create_ofc_router(context, tenant_id, router_id,
router['name'])
self._process_gw_port(router['gw_port'], added_routes)
if added_routes:
self.ofc.update_ofc_router_route(context, router_id,
added_routes, [])
new_status = nconst.ROUTER_STATUS_ACTIVE
self.plugin._update_resource_status(context, "router",
router['id'],
new_status)
router['status'] = new_status
return router
except (nexc.OFCException, nexc.OFCMappingNotFound) as exc:
with excutils.save_and_reraise_exception():
if (isinstance(exc, nexc.OFCException) and
exc.status == httplib.CONFLICT):
raise nexc.RouterOverLimit(provider=PROVIDER_OPENFLOW)
LOG.error(_LE("create_router() failed due to %s"), exc)
new_status = nconst.ROUTER_STATUS_ERROR
self._update_resource_status(context, "router",
router['id'],
new_status)
@call_log.log
def update_router(self, context, router_id, old_router, new_router):
old_routes = old_router['routes'][:]
new_routes = new_router['routes'][:]
self._process_gw_port(old_router['gw_port'], old_routes)
self._process_gw_port(new_router['gw_port'], new_routes)
added, removed = utils.diff_list_of_dict(old_routes, new_routes)
if added or removed:
try:
# NOTE(amotoki): PFC supports one-by-one route update at now.
# It means there may be a case where some route is updated but
# some not. To allow the next call of failures to sync routes
# with Neutron side, we pass the whole new routes here.
# PFC should support atomic route update in the future.
self.ofc.update_ofc_router_route(context, router_id,
new_routes)
new_status = nconst.ROUTER_STATUS_ACTIVE
self.plugin._update_resource_status(
context, "router", router_id, new_status)
new_router['status'] = new_status
except (nexc.OFCException, nexc.OFCMappingNotFound) as exc:
with excutils.save_and_reraise_exception():
LOG.error(_LE("_update_ofc_routes() failed due to %s"),
exc)
new_status = nconst.ROUTER_STATUS_ERROR
self.plugin._update_resource_status(
context, "router", router_id, new_status)
return new_router
@call_log.log
def delete_router(self, context, router_id, router):
if not self.ofc.exists_ofc_router(context, router_id):
return
try:
self.ofc.delete_ofc_router(context, router_id, router)
except (nexc.OFCException, nexc.OFCMappingNotFound) as exc:
with excutils.save_and_reraise_exception():
LOG.error(_LE("delete_router() failed due to %s"), exc)
self.plugin._update_resource_status(
context, "router", router_id, nconst.ROUTER_STATUS_ERROR)
@call_log.log
def add_interface(self, context, router_id, port):
port_id = port['id']
# port['fixed_ips'] may be empty if ext_net has no subnet.
# Such port is invalid for a router port and we don't create a port
# on OFC. The port is removed in l3_db._create_router_gw_port.
if not port['fixed_ips']:
LOG.warning(_LW('RouterOpenFlowDriver.add_interface(): the '
'requested port '
'has no subnet. add_interface() is skipped. '
'router_id=%(id)s, port=%(port)s)'),
{'id': router_id, 'port': port})
return port
fixed_ip = port['fixed_ips'][0]
subnet = self.plugin._get_subnet(context, fixed_ip['subnet_id'])
port_info = {'network_id': port['network_id'],
'ip_address': fixed_ip['ip_address'],
'cidr': subnet['cidr'],
'mac_address': port['mac_address']}
try:
self.ofc.add_ofc_router_interface(context, router_id,
port_id, port_info)
new_status = nconst.ROUTER_STATUS_ACTIVE
self.plugin._update_resource_status(
context, "port", port_id, new_status)
return port
except (nexc.OFCException, nexc.OFCMappingNotFound) as exc:
with excutils.save_and_reraise_exception():
LOG.error(_LE("add_router_interface() failed due to %s"), exc)
new_status = nconst.ROUTER_STATUS_ERROR
self.plugin._update_resource_status(
context, "port", port_id, new_status)
@call_log.log
def delete_interface(self, context, router_id, port):
port_id = port['id']
try:
self.ofc.delete_ofc_router_interface(context, router_id, port_id)
new_status = nconst.ROUTER_STATUS_ACTIVE
self.plugin._update_resource_status(context, "port", port_id,
new_status)
port['status'] = new_status
return port
except (nexc.OFCException, nexc.OFCMappingNotFound) as exc:
with excutils.save_and_reraise_exception():
LOG.error(_LE("delete_router_interface() failed due to %s"),
exc)
new_status = nconst.ROUTER_STATUS_ERROR
self.plugin._update_resource_status(context, "port", port_id,
new_status)