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# 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 oslo_config import cfg
from oslo_log import log
from keystone import clean
from keystone.common import sql
from keystone import exception
from keystone.i18n import _LE
from keystone import resource as keystone_resource
CONF = cfg.CONF
LOG = log.getLogger(__name__)
class Resource(keystone_resource.Driver):
def default_assignment_driver(self):
return 'keystone.assignment.backends.sql.Assignment'
def _get_project(self, session, project_id):
project_ref = session.query(Project).get(project_id)
if project_ref is None:
raise exception.ProjectNotFound(project_id=project_id)
return project_ref
def get_project(self, tenant_id):
with sql.transaction() as session:
return self._get_project(session, tenant_id).to_dict()
def get_project_by_name(self, tenant_name, domain_id):
with sql.transaction() as session:
query = session.query(Project)
query = query.filter_by(name=tenant_name)
query = query.filter_by(domain_id=domain_id)
try:
project_ref = query.one()
except sql.NotFound:
raise exception.ProjectNotFound(project_id=tenant_name)
return project_ref.to_dict()
@sql.truncated
def list_projects(self, hints):
with sql.transaction() as session:
query = session.query(Project)
project_refs = sql.filter_limit_query(Project, query, hints)
return [project_ref.to_dict() for project_ref in project_refs]
def list_projects_from_ids(self, ids):
if not ids:
return []
else:
with sql.transaction() as session:
query = session.query(Project)
query = query.filter(Project.id.in_(ids))
return [project_ref.to_dict() for project_ref in query.all()]
def list_project_ids_from_domain_ids(self, domain_ids):
if not domain_ids:
return []
else:
with sql.transaction() as session:
query = session.query(Project.id)
query = (
query.filter(Project.domain_id.in_(domain_ids)))
return [x.id for x in query.all()]
def list_projects_in_domain(self, domain_id):
with sql.transaction() as session:
self._get_domain(session, domain_id)
query = session.query(Project)
project_refs = query.filter_by(domain_id=domain_id)
return [project_ref.to_dict() for project_ref in project_refs]
def _get_children(self, session, project_ids):
query = session.query(Project)
query = query.filter(Project.parent_id.in_(project_ids))
project_refs = query.all()
return [project_ref.to_dict() for project_ref in project_refs]
def list_projects_in_subtree(self, project_id):
with sql.transaction() as session:
project = self._get_project(session, project_id).to_dict()
children = self._get_children(session, [project['id']])
subtree = []
examined = set(project['id'])
while children:
children_ids = set()
for ref in children:
if ref['id'] in examined:
msg = _LE('Circular reference or a repeated '
'entry found in projects hierarchy - '
'%(project_id)s.')
LOG.error(msg, {'project_id': ref['id']})
return
children_ids.add(ref['id'])
examined.union(children_ids)
subtree += children
children = self._get_children(session, children_ids)
return subtree
def list_project_parents(self, project_id):
with sql.transaction() as session:
project = self._get_project(session, project_id).to_dict()
parents = []
examined = set()
while project.get('parent_id') is not None:
if project['id'] in examined:
msg = _LE('Circular reference or a repeated '
'entry found in projects hierarchy - '
'%(project_id)s.')
LOG.error(msg, {'project_id': project['id']})
return
examined.add(project['id'])
parent_project = self._get_project(
session, project['parent_id']).to_dict()
parents.append(parent_project)
project = parent_project
return parents
def is_leaf_project(self, project_id):
with sql.transaction() as session:
project_refs = self._get_children(session, [project_id])
return not project_refs
# CRUD
@sql.handle_conflicts(conflict_type='project')
def create_project(self, tenant_id, tenant):
tenant['name'] = clean.project_name(tenant['name'])
with sql.transaction() as session:
tenant_ref = Project.from_dict(tenant)
session.add(tenant_ref)
return tenant_ref.to_dict()
@sql.handle_conflicts(conflict_type='project')
def update_project(self, tenant_id, tenant):
if 'name' in tenant:
tenant['name'] = clean.project_name(tenant['name'])
with sql.transaction() as session:
tenant_ref = self._get_project(session, tenant_id)
old_project_dict = tenant_ref.to_dict()
for k in tenant:
old_project_dict[k] = tenant[k]
new_project = Project.from_dict(old_project_dict)
for attr in Project.attributes:
if attr != 'id':
setattr(tenant_ref, attr, getattr(new_project, attr))
tenant_ref.extra = new_project.extra
return tenant_ref.to_dict(include_extra_dict=True)
@sql.handle_conflicts(conflict_type='project')
def delete_project(self, tenant_id):
with sql.transaction() as session:
tenant_ref = self._get_project(session, tenant_id)
session.delete(tenant_ref)
# domain crud
@sql.handle_conflicts(conflict_type='domain')
def create_domain(self, domain_id, domain):
with sql.transaction() as session:
ref = Domain.from_dict(domain)
session.add(ref)
return ref.to_dict()
@sql.truncated
def list_domains(self, hints):
with sql.transaction() as session:
query = session.query(Domain)
refs = sql.filter_limit_query(Domain, query, hints)
return [ref.to_dict() for ref in refs]
def list_domains_from_ids(self, ids):
if not ids:
return []
else:
with sql.transaction() as session:
query = session.query(Domain)
query = query.filter(Domain.id.in_(ids))
domain_refs = query.all()
return [domain_ref.to_dict() for domain_ref in domain_refs]
def _get_domain(self, session, domain_id):
ref = session.query(Domain).get(domain_id)
if ref is None:
raise exception.DomainNotFound(domain_id=domain_id)
return ref
def get_domain(self, domain_id):
with sql.transaction() as session:
return self._get_domain(session, domain_id).to_dict()
def get_domain_by_name(self, domain_name):
with sql.transaction() as session:
try:
ref = (session.query(Domain).
filter_by(name=domain_name).one())
except sql.NotFound:
raise exception.DomainNotFound(domain_id=domain_name)
return ref.to_dict()
@sql.handle_conflicts(conflict_type='domain')
def update_domain(self, domain_id, domain):
with sql.transaction() as session:
ref = self._get_domain(session, domain_id)
old_dict = ref.to_dict()
for k in domain:
old_dict[k] = domain[k]
new_domain = Domain.from_dict(old_dict)
for attr in Domain.attributes:
if attr != 'id':
setattr(ref, attr, getattr(new_domain, attr))
ref.extra = new_domain.extra
return ref.to_dict()
def delete_domain(self, domain_id):
with sql.transaction() as session:
ref = self._get_domain(session, domain_id)
session.delete(ref)
class Domain(sql.ModelBase, sql.DictBase):
__tablename__ = 'domain'
attributes = ['id', 'name', 'enabled']
id = sql.Column(sql.String(64), primary_key=True)
name = sql.Column(sql.String(64), nullable=False)
enabled = sql.Column(sql.Boolean, default=True, nullable=False)
extra = sql.Column(sql.JsonBlob())
__table_args__ = (sql.UniqueConstraint('name'), {})
class Project(sql.ModelBase, sql.DictBase):
__tablename__ = 'project'
attributes = ['id', 'name', 'domain_id', 'description', 'enabled',
'parent_id']
id = sql.Column(sql.String(64), primary_key=True)
name = sql.Column(sql.String(64), nullable=False)
domain_id = sql.Column(sql.String(64), sql.ForeignKey('domain.id'),
nullable=False)
description = sql.Column(sql.Text())
enabled = sql.Column(sql.Boolean)
extra = sql.Column(sql.JsonBlob())
parent_id = sql.Column(sql.String(64), sql.ForeignKey('project.id'))
# Unique constraint across two columns to create the separation
# rather than just only 'name' being unique
__table_args__ = (sql.UniqueConstraint('domain_id', 'name'), {})
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