neutron/neutron/plugins/cisco/l3/hosting_device_drivers/__init__.py

53 lines
1.9 KiB
Python

# Copyright 2014 Cisco Systems, 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 abc
import six
@six.add_metaclass(abc.ABCMeta)
class HostingDeviceDriver(object):
"""This class defines the API for hosting device drivers.
These are used by Cisco (routing service) plugin to perform
various (plugin independent) operations on hosting devices.
"""
@abc.abstractmethod
def hosting_device_name(self):
pass
@abc.abstractmethod
def create_config(self, context, mgmtport):
"""Creates configuration(s) for a service VM.
This function can be used to make initial configurations. The
configuration(s) is/are injected in the VM's file system using
Nova's configdrive feature.
Called when a service VM-based hosting device is to be created.
This function should cleanup after itself in case of error.
returns: Dict with filenames and their corresponding content strings:
{filename1: content_string1, filename2: content_string2, ...}
The file system of the VM will contain files with the
specified filenames and content. If the dict is empty no
configdrive will be used.
:param context: neutron api request context.
:param mgmt_port: management port for the hosting device.
"""
pass