81 lines
2.8 KiB
Python
81 lines
2.8 KiB
Python
# 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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from keystone import assignment
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from keystone.common import sql
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from keystone import exception
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class Role(assignment.RoleDriver):
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@sql.handle_conflicts(conflict_type='role')
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def create_role(self, role_id, role):
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with sql.transaction() as session:
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ref = RoleTable.from_dict(role)
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session.add(ref)
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return ref.to_dict()
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@sql.truncated
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def list_roles(self, hints):
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with sql.transaction() as session:
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query = session.query(RoleTable)
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refs = sql.filter_limit_query(RoleTable, query, hints)
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return [ref.to_dict() for ref in refs]
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def list_roles_from_ids(self, ids):
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if not ids:
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return []
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else:
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with sql.transaction() as session:
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query = session.query(RoleTable)
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query = query.filter(RoleTable.id.in_(ids))
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role_refs = query.all()
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return [role_ref.to_dict() for role_ref in role_refs]
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def _get_role(self, session, role_id):
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ref = session.query(RoleTable).get(role_id)
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if ref is None:
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raise exception.RoleNotFound(role_id=role_id)
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return ref
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def get_role(self, role_id):
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with sql.transaction() as session:
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return self._get_role(session, role_id).to_dict()
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@sql.handle_conflicts(conflict_type='role')
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def update_role(self, role_id, role):
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with sql.transaction() as session:
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ref = self._get_role(session, role_id)
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old_dict = ref.to_dict()
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for k in role:
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old_dict[k] = role[k]
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new_role = RoleTable.from_dict(old_dict)
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for attr in RoleTable.attributes:
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if attr != 'id':
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setattr(ref, attr, getattr(new_role, attr))
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ref.extra = new_role.extra
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return ref.to_dict()
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def delete_role(self, role_id):
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with sql.transaction() as session:
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ref = self._get_role(session, role_id)
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session.delete(ref)
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class RoleTable(sql.ModelBase, sql.DictBase):
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__tablename__ = 'role'
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attributes = ['id', 'name']
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id = sql.Column(sql.String(64), primary_key=True)
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name = sql.Column(sql.String(255), unique=True, nullable=False)
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extra = sql.Column(sql.JsonBlob())
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__table_args__ = (sql.UniqueConstraint('name'), {})
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