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