diff -Nru nova-15.0.6/debian/changelog nova-15.0.6/debian/changelog
--- nova-15.0.6/debian/changelog	2017-07-25 11:39:30.000000000 -0400
+++ nova-15.0.6/debian/changelog	2017-08-29 15:40:07.000000000 -0300
@@ -1,3 +1,10 @@
+nova (2:15.0.6-0ubuntu1.1) zesty; urgency=medium
+
+  * d/nova-common.postinst: Don't sync database if connection is not defined
+    in /etc/nova/nova.conf (LP: #1713059).
+
+ -- Felipe Reyes <felipe.reyes@canonical.com>  Tue, 29 Aug 2017 15:40:07 -0300
+
 nova (2:15.0.6-0ubuntu1) zesty; urgency=medium
 
   * New stable point release for OpenStack Ocata (LP: #1706297).
diff -Nru nova-15.0.6/debian/nova-common.postinst nova-15.0.6/debian/nova-common.postinst
--- nova-15.0.6/debian/nova-common.postinst	2017-07-25 11:39:30.000000000 -0400
+++ nova-15.0.6/debian/nova-common.postinst	2017-08-29 15:40:04.000000000 -0300
@@ -47,8 +47,7 @@
     chown root:root /etc/nova/rootwrap.d
     chmod 0755 /etc/nova/rootwrap.d
 
-    if ! grep -qE "^(sql_)?connection( )?=.*" /etc/nova/nova.conf || \
-         grep -qE "^(sql_)?connection.*sqlite.*" /etc/nova/nova.conf
+    if grep -qE "^(sql_)?connection.*sqlite.*" /etc/nova/nova.conf
     then
       su -s /bin/sh -c 'nova-manage db sync' nova
     fi