/usr/lib/python2.7/dist-packages/neutron_vpnaas/services/vpn/agent.py is in python-neutron-vpnaas 2:9.0.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# 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._i18n import _
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')
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