20803ea637
The following modules are removed: - excutils, - importutils, - network_utils, - strutils, - timeutils. Closes-Bug: #1385355 Change-Id: I1f34f17f5dbf37032584008f27e65d4dc4d475f4
221 lines
8.9 KiB
Python
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.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)
|
|
reason = _("create_router() failed due to %s") % exc
|
|
LOG.error(reason)
|
|
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():
|
|
reason = _("_update_ofc_routes() failed due to %s") % exc
|
|
LOG.error(reason)
|
|
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(_("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']:
|
|
msg = _('RouterOpenFlowDriver.add_interface(): the requested port '
|
|
'has no subnet. add_interface() is skipped. '
|
|
'router_id=%(id)s, port=%(port)s)')
|
|
LOG.warning(msg, {'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():
|
|
reason = _("add_router_interface() failed due to %s") % exc
|
|
LOG.error(reason)
|
|
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():
|
|
reason = _("delete_router_interface() failed due to %s") % exc
|
|
LOG.error(reason)
|
|
new_status = nconst.ROUTER_STATUS_ERROR
|
|
self.plugin._update_resource_status(context, "port", port_id,
|
|
new_status)
|