CORD-1732 Fix publish of images managed by ImageBuilder

Change-Id: Id95481973f183615188874c283467ddfe60e5978
diff --git a/scripts/imagebuilder.py b/scripts/imagebuilder.py
index 4e13622..1c94f88 100755
--- a/scripts/imagebuilder.py
+++ b/scripts/imagebuilder.py
@@ -1141,6 +1141,7 @@
             self.pulled.append({
                     "id": pulled_image['Id'],
                     "tags": pulled_image['RepoTags'],
+                    "base": image.name.split(":")[0],
                 })
 
             self.tag_image(image)
@@ -1243,6 +1244,7 @@
                     "push_name": image.raw_name,
                     "build_log": bl_path,
                     "duration": duration.total_seconds(),
+                    "base": image.name.split(":")[0],
                 })
 
             self.tag_image(image)