diff --git a/docker/services/logging/files/glance-api.yaml b/docker/services/logging/files/glance-api.yaml
index 52c2f2a781..3c50e8b7a7 100644
--- a/docker/services/logging/files/glance-api.yaml
+++ b/docker/services/logging/files/glance-api.yaml
@@ -10,8 +10,13 @@ parameters:
 
 outputs:
   config_settings:
-    description: The volumes needed to log to files in the host.
+    description: Extra hieradata needed to log to files in the host.
     value: null
+  volumes:
+    description: The volumes needed to log to files in the host.
+    value: &glance_api_volumes
+      - /var/log/containers/glance:/var/log/glance
+      - /var/log/containers/httpd/glance-api:/var/log/httpd
   docker_config:
     description: Extra containers needed for logging to files in the host.
     value:
@@ -21,15 +26,8 @@ outputs:
           image: {get_param: DockerGlanceApiImage}
           privileged: false
           user: root
-          volumes:
-            - /var/log/containers/glance:/var/log/glance
-            - /var/log/containers/httpd/glance-api:/var/log/httpd
+          volumes: *glance_api_volumes
           command: ['/bin/bash', '-c', 'chown -R glance:glance /var/log/glance']
-  volumes:
-    description: extra volumes
-    value:
-      - /var/log/containers/glance:/var/log/glance
-      - /var/log/containers/httpd/glance-api:/var/log/httpd
   host_prep_tasks:
     description: Extra ansible tasks needed for logging to files in the host.
     value: