Add a build display name, set it from the etag reported by s3 for file uploads.

endpoints/api.py

@@ -1148,6 +1148,7 @@ def build_status_view(build_obj):
     'id': build_obj.uuid,
     'phase': build_obj.phase,
     'started': build_obj.started,
+    'display_name': build_obj.display_name,
     'status': status,
   }
 
@@ -1241,11 +1242,13 @@ def request_repo_build(namespace, repository):
 
     repo = model.get_repository(namespace, repository)
     token = model.create_access_token(repo, 'write')
+    display_name = user_files.get_file_checksum(dockerfile_id)
+    logger.debug('**********Md5: %s' % display_name)
 
     host = urlparse.urlparse(request.url).netloc
     tag = '%s/%s/%s' % (host, repo.namespace, repo.name)
     build_request = model.create_repository_build(repo, token, dockerfile_id,
-                                                  tag)
+                                                  tag, display_name)
     dockerfile_build_queue.put(json.dumps({
       'build_uuid': build_request.uuid,
       'namespace': namespace,