Source code for openstack_dashboard.dashboards.project.images.utils

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#
#      http://www.apache.org/licenses/LICENSE-2.0
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from django.template.defaultfilters import filesizeformat
from django.utils.translation import ugettext_lazy as _

from horizon import exceptions

from openstack_dashboard.api import glance


[docs]def get_available_images(request, project_id=None, images_cache=None): """Returns a list of images that are public or owned by the given project_id. If project_id is not specified, only public 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', []) images_by_project = images_cache.get('images_by_project', {}) 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.append(image) for image in 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 'images_by_project' not in images_cache: images_cache['images_by_project'] = images_by_project images = owned_images + public_images # Remove duplicate images image_ids = [] final_images = [] for image in images: if image.id not in image_ids: image_ids.append(image.id) final_images.append(image) return [image for image in final_images if image.container_format not in ('aki', 'ari')]
[docs]def image_field_data(request, include_empty_option=False): """Returns a list of tuples of all images. Generates a sorted list of images available. And returns a list of (id, name) tuples. :param request: django http request object :param include_empty_option: flag to include a empty tuple in the front of the list :return: list of (id, name) tuples """ try: images = get_available_images(request, request.user.project_id) except Exception: exceptions.handle(request, _('Unable to retrieve images')) images.sort(key=lambda c: c.name) images_list = [('', _('Select Image'))] for image in images: image_label = u"{} ({})".format(image.name, filesizeformat(image.size)) images_list.append((image.id, image_label)) if not images: return [("", _("No images available")), ] return images_list

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