109 lines
4.0 KiB
Python
109 lines
4.0 KiB
Python
# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 Nebula, Inc.
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#
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# 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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"""
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Context processors used by Horizon.
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"""
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import re
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from django.conf import settings
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from horizon import conf
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from openstack_dashboard.contrib.developer.profiler import api as profiler
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def openstack(request):
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"""Context processor necessary for OpenStack Dashboard functionality.
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The following variables are added to the request context:
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``authorized_tenants``
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A list of tenant objects which the current user has access to.
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``regions``
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A dictionary containing information about region support, the current
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region, and available regions.
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"""
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context = {}
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# Auth/Keystone context
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context.setdefault('authorized_tenants', [])
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if request.user.is_authenticated():
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context['authorized_tenants'] = [
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tenant for tenant in
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request.user.authorized_tenants if tenant.enabled]
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# Region context/support
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available_regions = getattr(settings, 'AVAILABLE_REGIONS', [])
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regions = {'support': len(available_regions) > 1,
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'current': {'endpoint': request.session.get('region_endpoint'),
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'name': request.session.get('region_name')},
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'available': [{'endpoint': region[0], 'name':region[1]} for
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region in available_regions]}
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# K2K Federation Service Providers context/support
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available_providers = request.session.get('keystone_providers', [])
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if available_providers:
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provider_id = request.session.get('keystone_provider_id', None)
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provider_name = None
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for provider in available_providers:
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if provider['id'] == provider_id:
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provider_name = provider.get('name')
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keystone_providers = {
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'support': len(available_providers) > 1,
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'current': {
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'name': provider_name,
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'id': provider_id
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},
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'available': [
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{'name': keystone_provider['name'],
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'id': keystone_provider['id']}
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for keystone_provider in available_providers]
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}
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else:
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keystone_providers = {'support': False}
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context['keystone_providers'] = keystone_providers
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context['regions'] = regions
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# Adding webroot access
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context['WEBROOT'] = getattr(settings, "WEBROOT", "/")
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# Adding profiler support flag
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profiler_settings = getattr(settings, 'OPENSTACK_PROFILER', {})
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profiler_enabled = profiler_settings.get('enabled', False)
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context['profiler_enabled'] = profiler_enabled
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if profiler_enabled and 'profile_page' in request.COOKIES:
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index_view_id = request.META.get(profiler.ROOT_HEADER, '')
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hmac_keys = profiler_settings.get('keys', [])
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context['x_trace_info'] = profiler.update_trace_headers(
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hmac_keys, parent_id=index_view_id)
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# Search for external plugins and append to javascript message catalog
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# internal plugins are under the openstack_dashboard domain
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# so we exclude them from the js_catalog
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js_catalog = ['horizon', 'openstack_dashboard']
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regex = re.compile(r'^openstack_dashboard')
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all_plugins = conf.HORIZON_CONFIG['plugins']
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js_catalog.extend(p for p in all_plugins if not regex.search(p))
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context['JS_CATALOG'] = '+'.join(js_catalog)
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return context
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