/usr/lib/python2.7/dist-packages/neutron_lbaas/agent/agent_device_driver.py is in python-neutron-lbaas 2:8.0.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright 2015 Rackspace
#
# 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 six
@six.add_metaclass(abc.ABCMeta)
class AgentDeviceDriver(object):
"""Abstract device driver that defines the API required by LBaaS agent."""
def __init__(self, conf, plugin_rpc):
self.conf = conf
self.plugin_rpc = plugin_rpc
@abc.abstractproperty
def loadbalancer(self):
pass
@abc.abstractproperty
def listener(self):
pass
@abc.abstractproperty
def pool(self):
pass
@abc.abstractproperty
def member(self):
pass
@abc.abstractproperty
def healthmonitor(self):
pass
@abc.abstractmethod
def get_name(self):
"""Returns unique name across all LBaaS device drivers."""
pass
@abc.abstractmethod
def deploy_instance(self, loadbalancer):
"""Fully deploys a loadbalancer instance from a given loadbalancer."""
pass
@abc.abstractmethod
def undeploy_instance(self, loadbalancer_id, **kwargs):
"""Fully undeploys the loadbalancer instance."""
pass
def remove_orphans(self, known_loadbalancer_ids):
# Not all drivers will support this
raise NotImplementedError()
@six.add_metaclass(abc.ABCMeta)
class BaseManager(object):
def __init__(self, driver):
self.driver = driver
@abc.abstractmethod
def create(self, obj):
pass
@abc.abstractmethod
def update(self, old_obj, obj):
pass
@abc.abstractmethod
def delete(self, obj):
pass
class BaseLoadBalancerManager(BaseManager):
@abc.abstractmethod
def get_stats(self, loadbalancer_id):
pass
class BaseListenerManager(BaseManager):
pass
class BasePoolManager(BaseManager):
pass
class BaseMemberManager(BaseManager):
pass
class BaseHealthMonitorManager(BaseManager):
pass
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