Add a tool to compute a list of orphans and missing data between the storage and the database.

tools/orphans.py

@@ -0,0 +1,24 @@
+from data.database import Image
+from app import app
+
+live_image_id_set = set()
+
+for image in Image.select():
+  live_image_id_set.add(image.docker_image_id)
+
+store = app.config['STORAGE']
+
+storage_image_id_set = set()
+for customer in store.list_directory('images/'):
+  for repo in store.list_directory(customer):
+    for image in store.list_directory(repo):
+      storage_image_id_set.add(image.split('/')[-1])
+
+orphans = storage_image_id_set.difference(live_image_id_set)
+missing_image_data = live_image_id_set.difference(storage_image_id_set)
+
+for orphan in orphans:
+  print "Orphan: %s" % orphan
+
+for missing in missing_image_data:
+  print "Missing: %s" % missing