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OpenStack Study: core.py**** CubicPower OpenStack Study ****
# Copyright 2012 OpenStack Foundation # # 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. """Main entry point into the Identity service.""" import abc import six from keystone.common import dependency from keystone.common import manager from keystone import config from keystone import exception from keystone import notifications from keystone.openstack.common.gettextutils import _ from keystone.openstack.common import log CONF = config.CONF LOG = log.getLogger(__name__) @dependency.provider('trust_api')
**** CubicPower OpenStack Study **** class Manager(manager.Manager): """Default pivot point for the Trust backend. See :mod:`keystone.common.manager.Manager` for more details on how this dynamically calls the backend. """ _TRUST = "OS-TRUST:trust"
**** CubicPower OpenStack Study **** def __init__(self): super(Manager, self).__init__(CONF.trust.driver) @notifications.created(_TRUST)
**** CubicPower OpenStack Study **** def create_trust(self, trust_id, trust, roles): """Create a new trust. :returns: a new trust """ trust.setdefault('remaining_uses', None) if trust['remaining_uses'] is not None: if (trust['remaining_uses'] <= 0 or not isinstance(trust['remaining_uses'], int)): msg = _('remaining_uses must be a positive integer or null.') raise exception.ValidationError(msg) return self.driver.create_trust(trust_id, trust, roles) @notifications.deleted(_TRUST)
**** CubicPower OpenStack Study **** def delete_trust(self, trust_id): """Remove a trust. :raises: keystone.exception.TrustNotFound """ self.driver.delete_trust(trust_id) @six.add_metaclass(abc.ABCMeta)
**** CubicPower OpenStack Study **** class Driver(object): @abc.abstractmethod
**** CubicPower OpenStack Study **** def create_trust(self, trust_id, trust, roles): """Create a new trust. :returns: a new trust """ raise exception.NotImplemented() @abc.abstractmethod
**** CubicPower OpenStack Study **** def get_trust(self, trust_id): raise exception.NotImplemented() @abc.abstractmethod
**** CubicPower OpenStack Study **** def list_trusts(self): raise exception.NotImplemented() @abc.abstractmethod
**** CubicPower OpenStack Study **** def list_trusts_for_trustee(self, trustee): raise exception.NotImplemented() @abc.abstractmethod
**** CubicPower OpenStack Study **** def list_trusts_for_trustor(self, trustor): raise exception.NotImplemented() @abc.abstractmethod
**** CubicPower OpenStack Study **** def delete_trust(self, trust_id): raise exception.NotImplemented() @abc.abstractmethod
**** CubicPower OpenStack Study **** def consume_use(self, trust_id): """Consume one use when a trust was created with a limitation on its uses, provided there are still uses available. :raises: keystone.exception.TrustUseLimitReached, keystone.exception.TrustNotFound """ raise exception.NotImplemented()
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