karbor/karbor/services/protection/protectable_plugin.py

72 lines
2.1 KiB
Python

# 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 ProtectablePlugin(object):
"""Base abstract class for protectable plugin.
"""
def __init__(self, context=None):
self._context = context
def instance(self, context):
return self.__class__(context)
@abc.abstractmethod
def get_resource_type(self):
"""Return the resource type that this plugin supports.
Subclasses can implement as a classmethod
"""
pass
@abc.abstractmethod
def get_parent_resource_types(self):
"""Return the possible parent resource types.
Subclasses can implement as a classmethod
"""
pass
@abc.abstractmethod
def list_resources(self, context, parameters=None):
"""List resource instances of type this plugin supported.
:return: The list of resource instance.
"""
pass
@abc.abstractmethod
def show_resource(self, context, resource_id, parameters=None):
"""Show resource detail information.
"""
pass
@abc.abstractmethod
def get_dependent_resources(self, context, parent_resource):
"""List dependent resource instances.
The listed resource instances are of type this plugin supported,
and dependent by the given parent resource.
:param parent_resource: the parent resource instance.
:type parent_resource: one of parent resource types.
:return: the list of dependent resource instances.
"""
pass