From c050677692d9d7958697384d7419d5f0d30d44b8 Mon Sep 17 00:00:00 2001
From: Owen W. Taylor <otaylor@fishsoup.net>
Date: Aug 21 2017 18:18:04 +0000
Subject: messaging: do nothing if messaging backend is unset


It can be useful to run without a messaging backend for testing purposes
(or even in production.) So if the messaging backend is unset, don't
send messages rather than erroring out.

Signed-off-by: Owen W. Taylor <otaylor@fishsoup.net>

---

diff --git a/server/odcs/server/messaging.py b/server/odcs/server/messaging.py
index beba463..e6f99b3 100644
--- a/server/odcs/server/messaging.py
+++ b/server/odcs/server/messaging.py
@@ -34,7 +34,8 @@ __all__ = ('publish',)
 def publish(msgs):
     """Start to send messages to message broker"""
     backend = _get_messaging_backend()
-    backend(msgs)
+    if backend is not None:
+        backend(msgs)
 
 
 def _umb_send_msg(msgs):
@@ -62,6 +63,8 @@ def _get_messaging_backend():
     if conf.messaging_backend == 'rhmsg':
         return _umb_send_msg
     # TODO: elif conf.messaging_backend == 'fedmsg':
-    else:
+    elif conf.messaging_backend:
         raise ValueError(
             'Unknown messaging backend {0}'.format(conf.messaging_backend))
+    else:
+        return None