Add the ability to look up images which do not have a placement yet.

config.py

@@ -152,3 +152,6 @@ class DefaultConfig(object):
   }
 
   DISTRIBUTED_STORAGE_PREFERENCE = ['local_us']
+
+  # Remove me when all imagestorage objects have a location
+  DS_BACKFILL_LOCATION= 'local_us'

data/model/legacy.py

@@ -857,7 +857,22 @@ def get_repo_image(namespace_name, repository_name, image_id):
            Image.docker_image_id == image_id)))
   
   if not location_list:
-    return None
+    # REMOVEME When all existing imagestorages have a placement
+    try:
+      logger.warning('Checking for image without placement')
+      no_placement = (Image.select(Image, ImageStorage)
+        .join(ImageStorage)
+        .switch(Image)
+        .join(Repository)
+        .where(Repository.name == repository_name,
+               Repository.namespace == namespace_name,
+               Image.docker_image_id == image_id)
+        .get())
+      no_placement.storage.locations = {config.app_config['DS_BACKFILL_LOCATION']}
+      return no_placement
+    except Image.DoesNotExist:
+      logger.warning('Unable to find image')
+      return None
 
   location_names = {location.location.name for location in location_list}