neutron-vpnaas/neutron_vpnaas/services/vpn/device_drivers/fedora_strongswan_ipsec.py

107 lines
3.9 KiB
Python

# Copyright (c) 2015 IBM, 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.
import os
from oslo_config import cfg
from neutron_vpnaas.services.vpn.device_drivers import ipsec
from neutron_vpnaas.services.vpn.device_drivers import strongswan_ipsec
TEMPLATE_PATH = os.path.dirname(os.path.abspath(__file__))
cfg.CONF.set_default(name='default_config_area',
default=os.path.join(
TEMPLATE_PATH,
'/usr/share/strongswan/templates/'
'config/strongswan.d'),
group='strongswan')
class FedoraStrongSwanProcess(strongswan_ipsec.StrongSwanProcess):
binary = 'strongswan'
CONFIG_DIRS = [
'var/run',
'log',
'etc',
'etc/strongswan/ipsec.d/aacerts',
'etc/strongswan/ipsec.d/acerts',
'etc/strongswan/ipsec.d/cacerts',
'etc/strongswan/ipsec.d/certs',
'etc/strongswan/ipsec.d/crls',
'etc/strongswan/ipsec.d/ocspcerts',
'etc/strongswan/ipsec.d/policies',
'etc/strongswan/ipsec.d/private',
'etc/strongswan/ipsec.d/reqs',
'etc/pki/nssdb/'
]
STATUS_NOT_RUNNING_RE = ('Command:.*[ipsec|strongswan].*status.*'
'Exit code: [1|3] ')
def __init__(self, conf, process_id, vpnservice, namespace):
super(FedoraStrongSwanProcess, self).__init__(conf, process_id,
vpnservice, namespace)
def ensure_configs(self):
"""Generate config files which are needed for StrongSwan.
If there is no directory, this function will create
dirs.
"""
self.ensure_config_dir(self.vpnservice)
self.ensure_config_file(
'ipsec.conf',
cfg.CONF.strongswan.ipsec_config_template,
self.vpnservice)
self.ensure_config_file(
'strongswan.conf',
cfg.CONF.strongswan.strongswan_config_template,
self.vpnservice)
self.ensure_config_file(
'ipsec.secrets',
cfg.CONF.strongswan.ipsec_secret_template,
self.vpnservice,
0o600)
self.copy_and_overwrite(cfg.CONF.strongswan.default_config_area,
self._get_config_filename('strongswan.d'))
# Fedora uses /usr/share/strongswan/templates/config/ as strongswan
# template directory. But /usr/share/strongswan/templates/config/
# strongswan.d does not include charon. Those configuration files
# are in /usr/share/strongswan/templates/config/plugins directory.
charon_dir = os.path.join(
cfg.CONF.strongswan.default_config_area,
'charon')
if not os.path.exists(charon_dir):
plugins_dir = os.path.join(
cfg.CONF.strongswan.default_config_area, '../plugins')
self.copy_and_overwrite(
plugins_dir,
self._get_config_filename('strongswan.d/charon'))
def _get_config_filename(self, kind):
config_dir = '%s/strongswan' % self.etc_dir
return os.path.join(config_dir, kind)
class FedoraStrongSwanDriver(ipsec.IPsecDriver):
def create_process(self, process_id, vpnservice, namespace):
return FedoraStrongSwanProcess(
self.conf,
process_id,
vpnservice,
namespace)