# 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 django.utils.translation import gettext_lazy as _ from horizon import exceptions from openstack_dashboard.api import glance def get_available_images(request, project_id=None, images_cache=None): """Returns a list of available images Returns a list of images that are public, shared, community or owned by the given project_id. If project_id is not specified, only public and community images are returned. :param images_cache: An optional dict-like object in which to cache public and per-project id image metadata. """ if images_cache is None: images_cache = {} public_images = images_cache.get('public_images', []) community_images = images_cache.get('community_images', []) images_by_project = images_cache.get('images_by_project', {}) shared_images = images_cache.get('shared_images', []) if 'public_images' not in images_cache: public = {"is_public": True, "status": "active"} try: images, _more, _prev = glance.image_list_detailed( request, filters=public) public_images += images images_cache['public_images'] = public_images except Exception: exceptions.handle(request, _("Unable to retrieve public images.")) # Preempt if we don't have a project_id yet. if project_id is None: images_by_project[project_id] = [] if project_id not in images_by_project: owner = {"property-owner_id": project_id, "status": "active"} try: owned_images, _more, _prev = glance.image_list_detailed( request, filters=owner) images_by_project[project_id] = owned_images except Exception: owned_images = [] exceptions.handle(request, _("Unable to retrieve images for " "the current project.")) else: owned_images = images_by_project[project_id] if 'community_images' not in images_cache: community = {"visibility": "community", "status": "active"} try: images, _more, _prev = glance.image_list_detailed( request, filters=community) community_images += images images_cache['community_images'] = community_images except Exception: exceptions.handle(request, _("Unable to retrieve community images.")) if 'shared_images' not in images_cache: shared = {"visibility": "shared", "status": "active"} try: shared_images, _more, _prev = \ glance.image_list_detailed(request, filters=shared) images_cache['shared_images'] = shared_images except Exception: exceptions.handle(request, _("Unable to retrieve shared images.")) if 'images_by_project' not in images_cache: images_cache['images_by_project'] = images_by_project images = owned_images + public_images + community_images + shared_images image_ids = [] final_images = [] for image in images: if image.id not in image_ids and \ image.container_format not in ('aki', 'ari'): image_ids.append(image.id) final_images.append(image) return final_images