47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
# Copyright 2014 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron.services import provider_configuration as provconfig
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from neutron_lib.exceptions import vpn as vpn_exception
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from oslo_log import log as logging
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from oslo_utils import importutils
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LOG = logging.getLogger(__name__)
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DEVICE_DRIVERS = 'device_drivers'
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class VPNService(object):
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"""VPN Service observer."""
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def __init__(self, l3_agent):
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self.conf = l3_agent.conf
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def load_device_drivers(self, host):
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"""Loads one or more device drivers for VPNaaS."""
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drivers = []
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for device_driver in self.conf.vpnagent.vpn_device_driver:
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device_driver = provconfig.get_provider_driver_class(
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device_driver, DEVICE_DRIVERS)
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try:
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drivers.append(importutils.import_object(device_driver,
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self,
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host))
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LOG.debug('Loaded VPNaaS device driver: %s', device_driver)
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except ImportError:
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raise vpn_exception.DeviceDriverImportError(
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device_driver=device_driver)
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return drivers
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