83 lines
2.3 KiB
Python
83 lines
2.3 KiB
Python
# Copyright 2014 A10 Networks
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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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import abc
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from neutron.plugins.common import constants
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import six
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from neutron_lbaas.services.loadbalancer import constants as lb_constants
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@six.add_metaclass(abc.ABCMeta)
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class BaseManagerMixin(object):
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def __init__(self, driver):
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self.driver = driver
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@abc.abstractmethod
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def create(self, context, obj):
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pass
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@abc.abstractmethod
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def update(self, context, obj_old, obj):
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pass
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@abc.abstractmethod
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def delete(self, context, obj):
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pass
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@six.add_metaclass(abc.ABCMeta)
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class BaseRefreshMixin(object):
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@abc.abstractmethod
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def refresh(self, context, obj):
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pass
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@six.add_metaclass(abc.ABCMeta)
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class BaseStatsMixin(object):
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@abc.abstractmethod
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def stats(self, context, obj):
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pass
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class BaseStatusUpdateMixin(object):
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# Status update helpers
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# Note: You must set model_class to an appropriate neutron model
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# in your base manager class.
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def active(self, context, model_id):
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self.driver.plugin.db.update_status(context, self.model_class,
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model_id, constants.ACTIVE)
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def failed(self, context, model_id):
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self.driver.plugin.db.update_status(context, self.model_class,
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model_id, constants.ERROR)
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def defer(self, context, model_id):
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self.driver.plugin.db.update_status(context, self.model_class,
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model_id, lb_constants.DEFERRED)
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class BaseDeleteHelperMixin(object):
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# DB delete helper
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# Must define appropriate db delete function
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def db_delete(self, context, model_id):
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self.db_delete_method(context, model_id)
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