# 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.
from sqlalchemy import orm
from sqlalchemy.orm import collections
from keystone.assignment.role_backends import base
from keystone.assignment.role_backends import resource_options as ro
from keystone.common import resource_options
from keystone.common import sql
[docs]class RoleTable(sql.ModelBase, sql.ModelDictMixinWithExtras):
[docs] def to_dict(self, include_extra_dict=False):
d = super(RoleTable, self).to_dict(
include_extra_dict=include_extra_dict)
if d['domain_id'] == base.NULL_DOMAIN_ID:
d['domain_id'] = None
# NOTE(notmorgan): Eventually it may make sense to drop the empty
# option dict creation to the superclass (if enough models use it)
d['options'] = resource_options.ref_mapper_to_dict_options(self)
return d
[docs] @classmethod
def from_dict(cls, role_dict):
if 'domain_id' in role_dict and role_dict['domain_id'] is None:
new_dict = role_dict.copy()
new_dict['domain_id'] = base.NULL_DOMAIN_ID
else:
new_dict = role_dict
# TODO(morgan): move this functionality to a common location
resource_options = {}
options = new_dict.pop('options', {})
for opt in cls.resource_options_registry.options:
if opt.option_name in options:
opt_value = options[opt.option_name]
# NOTE(notmorgan): None is always a valid type
if opt_value is not None:
opt.validator(opt_value)
resource_options[opt.option_id] = opt_value
role_obj = super(RoleTable, cls).from_dict(new_dict)
setattr(role_obj, '_resource_options', resource_options)
return role_obj
__tablename__ = 'role'
attributes = ['id', 'name', 'domain_id', 'description']
resource_options_registry = ro.ROLE_OPTIONS_REGISTRY
id = sql.Column(sql.String(64), primary_key=True)
name = sql.Column(sql.String(255), nullable=False)
domain_id = sql.Column(sql.String(64), nullable=False,
server_default=base.NULL_DOMAIN_ID)
description = sql.Column(sql.String(255), nullable=True)
extra = sql.Column(sql.JsonBlob())
_resource_option_mapper = orm.relationship(
'RoleOption',
single_parent=True,
cascade='all,delete,delete-orphan',
lazy='subquery',
backref='role',
collection_class=collections.attribute_mapped_collection('option_id')
)
__table_args__ = (sql.UniqueConstraint('name', 'domain_id'),)
[docs]class ImpliedRoleTable(sql.ModelBase, sql.ModelDictMixin):
__tablename__ = 'implied_role'
attributes = ['prior_role_id', 'implied_role_id']
prior_role_id = sql.Column(
sql.String(64),
sql.ForeignKey('role.id', ondelete="CASCADE"),
primary_key=True)
implied_role_id = sql.Column(
sql.String(64),
sql.ForeignKey('role.id', ondelete="CASCADE"),
primary_key=True)
[docs] @classmethod
def from_dict(cls, dictionary):
new_dictionary = dictionary.copy()
return cls(**new_dictionary)
[docs] def to_dict(self):
"""Return a dictionary with model's attributes.
overrides the `to_dict` function from the base class
to avoid having an `extra` field.
"""
d = dict()
for attr in self.__class__.attributes:
d[attr] = getattr(self, attr)
return d
[docs]class RoleOption(sql.ModelBase):
__tablename__ = 'role_option'
role_id = sql.Column(sql.String(64),
sql.ForeignKey('role.id', ondelete='CASCADE'),
nullable=False, primary_key=True)
option_id = sql.Column(sql.String(4), nullable=False,
primary_key=True)
option_value = sql.Column(sql.JsonBlob, nullable=True)
def __init__(self, option_id, option_value):
self.option_id = option_id
self.option_value = option_value
