# Copyright 2015 IBM Corp. # Copyright 2015, Hewlett-Packard Development Company, L.P. # # 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 datetime import datetime from django.conf import settings from django.http import JsonResponse from django.views import generic import pytz from openstack_dashboard import api from openstack_dashboard.api.rest import urls from openstack_dashboard.api.rest import utils as rest_utils # settings that we allow to be retrieved via REST API # these settings are available to the client and are not secured. # *** THEY SHOULD BE TREATED WITH EXTREME CAUTION *** settings_required = settings.REST_API_REQUIRED_SETTINGS settings_additional = settings.REST_API_ADDITIONAL_SETTINGS settings_allowed = settings_required + settings_additional @urls.register class Settings(generic.View): """API for retrieving settings. This API returns read-only settings values. This configuration object can be fetched as needed. Examples of settings: OPENSTACK_HYPERVISOR_FEATURES """ url_regex = r'settings/$' SPECIALS = { 'HORIZON_IMAGES_UPLOAD_MODE': api.glance.get_image_upload_mode(), 'HORIZON_ACTIVE_IMAGE_VERSION': str(api.glance.VERSIONS.active), 'IMAGES_ALLOW_LOCATION': settings.IMAGES_ALLOW_LOCATION, 'AJAX_POLL_INTERVAL': settings.HORIZON_CONFIG.get( 'ajax_poll_interval', 2500) } @rest_utils.ajax() def get(self, request): # TODO(amotoki): Drop the default value of getattr. # It will be unnecessary once all default settings are defined. plain_settings = {k: getattr(settings, k, None) for k in settings_allowed if k not in self.SPECIALS} plain_settings.update(self.SPECIALS) plain_settings.update(self.disk_formats(request)) return plain_settings def disk_formats(self, request): # The purpose of OPENSTACK_IMAGE_FORMATS is to provide a simple object # that does not contain the lazy-loaded translations, so the list can # be sent as JSON to the client-side (Angular). return {'OPENSTACK_IMAGE_FORMATS': [ value for (value, name) in api.glance.get_image_formats(request) ]} @urls.register class Timezones(generic.View): """API for timezone service.""" url_regex = r'timezones/$' @rest_utils.ajax() def get(self, request): zones = {tz: datetime.now(pytz.timezone(tz)).strftime('%z') for tz in pytz.common_timezones} return JsonResponse({'timezone_dict': zones})