designate/moniker/context.py
Kiall Mac Innes 4ba6d97f56 Parse roles from Keystone into the Context
Change-Id: I9e2f1e45db70384943b5d59b8e27599905711634
2012-11-17 14:53:38 +00:00

66 lines
2.0 KiB
Python

# Copyright 2012 Managed I.T.
#
# Author: Kiall Mac Innes <kiall@managedit.ie>
#
# 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.
import itertools
from moniker.openstack.common import context
class MonikerContext(context.RequestContext):
def __init__(self, auth_tok=None, user=None, tenant=None, is_admin=False,
read_only=False, show_deleted=False, request_id=None,
roles=[]):
super(MonikerContext, self).__init__(
auth_tok=auth_tok,
user=user,
tenant=tenant,
is_admin=is_admin,
read_only=read_only,
show_deleted=show_deleted,
request_id=request_id)
self.user_id = user
self.tenant_id = tenant
self.roles = roles
def to_dict(self):
d = super(MonikerContext, self).to_dict()
d.update({
'user_id': self.user_id,
'tenant_id': self.tenant_id,
'roles': self.roles,
})
return d
@classmethod
def get_admin_context(cls):
return cls(None, tenant=None, is_admin=True)
@classmethod
def get_context_from_function_and_args(cls, function, args, kwargs):
"""
Find an arg of type MonikerContext and return it.
This is useful in a couple of decorators where we don't
know much about the function we're wrapping.
"""
for arg in itertools.chain(kwargs.values(), args):
if isinstance(arg, cls):
return arg
return None