74 lines
3.0 KiB
Python
74 lines
3.0 KiB
Python
# Copyright 2013, Nachi Ueno, NTT I3, Inc.
|
|
# 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 neutron.agent.l3 import agent as l3_agent
|
|
from neutron.agent import l3_agent as entry
|
|
from oslo_config import cfg
|
|
|
|
from neutron_vpnaas.services.vpn import vpn_service
|
|
|
|
vpn_agent_opts = [
|
|
cfg.MultiStrOpt(
|
|
'vpn_device_driver',
|
|
default=['neutron_vpnaas.services.vpn.device_drivers.'
|
|
'ipsec.OpenSwanDriver'],
|
|
sample_default=['neutron_vpnaas.services.vpn.device_drivers.ipsec.'
|
|
'OpenSwanDriver, '
|
|
'neutron_vpnaas.services.vpn.device_drivers.'
|
|
'cisco_ipsec.CiscoCsrIPsecDriver, '
|
|
'neutron_vpnaas.services.vpn.device_drivers.'
|
|
'vyatta_ipsec.VyattaIPSecDriver, '
|
|
'neutron_vpnaas.services.vpn.device_drivers.'
|
|
'strongswan_ipsec.StrongSwanDriver, '
|
|
'neutron_vpnaas.services.vpn.device_drivers.'
|
|
'fedora_strongswan_ipsec.FedoraStrongSwanDriver, '
|
|
'neutron_vpnaas.services.vpn.device_drivers.'
|
|
'libreswan_ipsec.LibreSwanDriver'],
|
|
help=_("The vpn device drivers Neutron will use")),
|
|
]
|
|
cfg.CONF.register_opts(vpn_agent_opts, 'vpnagent')
|
|
|
|
|
|
class VPNAgent(l3_agent.L3NATAgentWithStateReport):
|
|
"""VPNAgent class which can handle vpn service drivers."""
|
|
def __init__(self, host, conf=None):
|
|
super(VPNAgent, self).__init__(host=host, conf=conf)
|
|
self.agent_state['binary'] = 'neutron-vpn-agent'
|
|
self.service = vpn_service.VPNService(self)
|
|
self.device_drivers = self.service.load_device_drivers(host)
|
|
|
|
def process_state_change(self, router_id, state):
|
|
"""Enable the vpn process when router transitioned to master.
|
|
|
|
And disable vpn process for backup router.
|
|
"""
|
|
for device_driver in self.device_drivers:
|
|
if router_id in device_driver.processes:
|
|
process = device_driver.processes[router_id]
|
|
if state == 'master':
|
|
process.enable()
|
|
else:
|
|
process.disable()
|
|
|
|
def enqueue_state_change(self, router_id, state):
|
|
"""Handle HA router state changes for vpn process"""
|
|
self.process_state_change(router_id, state)
|
|
super(VPNAgent, self).enqueue_state_change(router_id, state)
|
|
|
|
|
|
def main():
|
|
entry.main(manager='neutron_vpnaas.services.vpn.agent.VPNAgent')
|