# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2012 United States Government as represented by the # Administrator of the National Aeronautics and Space Administration. # All Rights Reserved. # # Copyright 2012 Nebula, Inc. # # 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. """ Context processors used by Horizon. """ import logging from django.conf import settings LOG = logging.getLogger(__name__) def openstack(request): """ Context processor necessary for OpenStack Dashboard functionality. The following variables are added to the request context: ``authorized_tenants`` A list of tenant objects which the current user has access to. ``regions`` A dictionary containing information about region support, the current region, and available regions. """ context = {} # Auth/Keystone context context.setdefault('authorized_tenants', []) current_dash = request.horizon['dashboard'] needs_tenants = getattr(current_dash, 'supports_tenants', False) if request.user.is_authenticated() and needs_tenants: context['authorized_tenants'] = request.user.authorized_tenants # Region context/support available_regions = getattr(settings, 'AVAILABLE_REGIONS', []) regions = {'support': len(available_regions) > 1, 'current': {'endpoint': request.session.get('region_endpoint'), 'name': request.session.get('region_name')}, 'available': [{'endpoint': region[0], 'name':region[1]} for region in available_regions]} context['regions'] = regions return context