diff --git a/ceilometermiddleware/swift.py b/ceilometermiddleware/swift.py
index 04c09f4..d3f8401 100644
--- a/ceilometermiddleware/swift.py
+++ b/ceilometermiddleware/swift.py
@@ -77,6 +77,7 @@ import queue
 import threading
 import urllib.parse as urlparse
 
+CONF = cfg.CONF
 LOG = logging.getLogger(__name__)
 
 
@@ -160,10 +161,21 @@ class Swift(object):
 
         self.ignore_projects = self._get_ignore_projects(conf)
 
+        extra_config_files = conf.get('extra_config_files')
+        if extra_config_files is not None:
+            extra_config_files = list_from_csv(extra_config_files)
+
+        extra_config_dirs = conf.get('extra_config_dirs')
+        if extra_config_dirs is not None:
+            extra_config_dirs = list_from_csv(extra_config_dirs)
+
+        CONF(args=[], default_config_files=extra_config_files,
+             default_config_dirs=extra_config_dirs)
+
         oslo_messaging.set_transport_defaults(conf.get('control_exchange',
                                                        'swift'))
         self._notifier = oslo_messaging.Notifier(
-            oslo_messaging.get_notification_transport(cfg.CONF,
+            oslo_messaging.get_notification_transport(CONF,
                                                       url=conf.get('url')),
             publisher_id='ceilometermiddleware',
             driver=conf.get('driver', 'messagingv2'),
diff --git a/releasenotes/notes/bug-1673738-ec8f7dd8ac43ad54.yaml b/releasenotes/notes/bug-1673738-ec8f7dd8ac43ad54.yaml
new file mode 100644
index 0000000..9c1847c
--- /dev/null
+++ b/releasenotes/notes/bug-1673738-ec8f7dd8ac43ad54.yaml
@@ -0,0 +1,7 @@
+---
+fixes:
+  - |
+    The ceilometer middleware now supports loading additional config files to
+    look up oslo.messaging lbirary options. Set the ``extra_config_files``
+    parameter or the ``extra_config_dirs`` parameter in the ceilometer
+    middleware section in the swift proxy server config file.