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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 keystone.common import sql
from keystone import exception
from keystone.i18n import _
from keystone import resource
class WhiteListedConfig(sql.ModelBase, sql.ModelDictMixin):
__tablename__ = 'whitelisted_config'
domain_id = sql.Column(sql.String(64), primary_key=True)
group = sql.Column(sql.String(255), primary_key=True)
option = sql.Column(sql.String(255), primary_key=True)
value = sql.Column(sql.JsonBlob(), nullable=False)
def to_dict(self):
d = super(WhiteListedConfig, self).to_dict()
d.pop('domain_id')
return d
class SensitiveConfig(sql.ModelBase, sql.ModelDictMixin):
__tablename__ = 'sensitive_config'
domain_id = sql.Column(sql.String(64), primary_key=True)
group = sql.Column(sql.String(255), primary_key=True)
option = sql.Column(sql.String(255), primary_key=True)
value = sql.Column(sql.JsonBlob(), nullable=False)
def to_dict(self):
d = super(SensitiveConfig, self).to_dict()
d.pop('domain_id')
return d
class ConfigRegister(sql.ModelBase, sql.ModelDictMixin):
__tablename__ = 'config_register'
type = sql.Column(sql.String(64), primary_key=True)
domain_id = sql.Column(sql.String(64), nullable=False)
class DomainConfig(resource.DomainConfigDriverV8):
def choose_table(self, sensitive):
if sensitive:
return SensitiveConfig
else:
return WhiteListedConfig
@sql.handle_conflicts(conflict_type='domain_config')
def create_config_option(self, domain_id, group, option, value,
sensitive=False):
with sql.session_for_write() as session:
config_table = self.choose_table(sensitive)
ref = config_table(domain_id=domain_id, group=group,
option=option, value=value)
session.add(ref)
return ref.to_dict()
def _get_config_option(self, session, domain_id, group, option, sensitive):
try:
config_table = self.choose_table(sensitive)
ref = (session.query(config_table).
filter_by(domain_id=domain_id, group=group,
option=option).one())
except sql.NotFound:
msg = _('option %(option)s in group %(group)s') % {
'group': group, 'option': option}
raise exception.DomainConfigNotFound(
domain_id=domain_id, group_or_option=msg)
return ref
def get_config_option(self, domain_id, group, option, sensitive=False):
with sql.session_for_read() as session:
ref = self._get_config_option(session, domain_id, group, option,
sensitive)
return ref.to_dict()
def list_config_options(self, domain_id, group=None, option=None,
sensitive=False):
with sql.session_for_read() as session:
config_table = self.choose_table(sensitive)
query = session.query(config_table)
query = query.filter_by(domain_id=domain_id)
if group:
query = query.filter_by(group=group)
if option:
query = query.filter_by(option=option)
return [ref.to_dict() for ref in query.all()]
def update_config_option(self, domain_id, group, option, value,
sensitive=False):
with sql.session_for_write() as session:
ref = self._get_config_option(session, domain_id, group, option,
sensitive)
ref.value = value
return ref.to_dict()
def delete_config_options(self, domain_id, group=None, option=None,
sensitive=False):
"""Deletes config options that match the filter parameters.
Since the public API is broken down into calls for delete in both the
whitelisted and sensitive methods, we are silent at the driver level
if there was nothing to delete.
"""
with sql.session_for_write() as session:
config_table = self.choose_table(sensitive)
query = session.query(config_table)
query = query.filter_by(domain_id=domain_id)
if group:
query = query.filter_by(group=group)
if option:
query = query.filter_by(option=option)
query.delete(False)
def obtain_registration(self, domain_id, type):
try:
with sql.session_for_write() as session:
ref = ConfigRegister(type=type, domain_id=domain_id)
session.add(ref)
return True
except sql.DBDuplicateEntry: # nosec
# Continue on and return False to indicate failure.
pass
return False
def read_registration(self, type):
with sql.session_for_read() as session:
ref = session.query(ConfigRegister).get(type)
if not ref:
raise exception.ConfigRegistrationNotFound()
return ref.domain_id
def release_registration(self, domain_id, type=None):
"""Silently delete anything registered for the domain specified."""
with sql.session_for_write() as session:
query = session.query(ConfigRegister)
if type:
query = query.filter_by(type=type)
query = query.filter_by(domain_id=domain_id)
query.delete(False)
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