rename planetstack module to xos
diff --git a/planetstack/openstack_observer/steps/sync_images.py b/planetstack/openstack_observer/steps/sync_images.py
new file mode 100644
index 0000000..f5764a1
--- /dev/null
+++ b/planetstack/openstack_observer/steps/sync_images.py
@@ -0,0 +1,43 @@
+import os
+import base64
+from django.db.models import F, Q
+from xos.config import Config
+from observer.openstacksyncstep import OpenStackSyncStep
+from core.models.image import Image
+
+class SyncImages(OpenStackSyncStep):
+    provides=[Image]
+    requested_interval=0
+    observes=Image
+
+    def fetch_pending(self, deleted):
+        # Images come from the back end
+        # You can't delete them
+        if (deleted):
+            return []
+
+        # get list of images on disk
+        images_path = Config().observer_images_directory 
+        available_images = {}
+        for f in os.listdir(images_path):
+            if os.path.isfile(os.path.join(images_path ,f)):
+                available_images[f] = os.path.join(images_path ,f)
+
+        images = Image.objects.all()
+        image_names = [image.name for image in images]
+
+        for image_name in available_images:
+            #remove file extension
+            clean_name = ".".join(image_name.split('.')[:-1])
+            if clean_name not in image_names:
+                image = Image(name=clean_name,
+                              disk_format='raw',
+                              container_format='bare', 
+                              path = available_images[image_name])
+                image.save()
+       
+        
+        return Image.objects.filter(Q(enacted__lt=F('updated')) | Q(enacted=None)) 
+
+    def sync_record(self, image):
+        image.save()