From 943697fcd28fefd3fcf14ae118b9c43f8dd21395 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sybren=20A=2E=20St=C3=BCvel?= <sybren@stuvel.eu>
Date: Wed, 27 Jul 2016 10:50:40 +0200
Subject: [PATCH] refresh_links_for_backend: gracefully handle project-less
 files.

---
 pillar/application/modules/file_storage.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/pillar/application/modules/file_storage.py b/pillar/application/modules/file_storage.py
index 265fef56..3cb24b6c 100644
--- a/pillar/application/modules/file_storage.py
+++ b/pillar/application/modules/file_storage.py
@@ -474,7 +474,12 @@ def refresh_links_for_backend(backend_name, chunk_size, expiry_seconds):
 
     refreshed = 0
     for file_doc in to_refresh:
-        count = proj_coll.count({'_id': file_doc['project']})
+        project_id = file_doc.get('project')
+        if project_id is None:
+            log.debug('Skipping file %s, it has no project.', file_doc['_id'])
+            continue
+
+        count = proj_coll.count({'_id': project_id})
         if count == 0:
             log.debug('Skipping file %s, project does not exist.', file_doc['_id'])
             continue