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from django.utils.translation import ugettext_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 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 = glance.image_list_detailed(
request, filters=public)
[public_images.append(image) for image in images]
images_cache['public_images'] = public_images
except:
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 = glance.image_list_detailed(
request, filters=owner)
except:
exceptions.handle(request,
_("Unable to retrieve images for "
"the current project."))
images_by_project[project_id] = owned_images
if 'images_by_project' not in images_cache:
images_cache['images_by_project'] = images_by_project
owned_images = images_by_project[project_id]
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')]
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