Add timeout to keystone_dbsync command
  - The keystone_dbsync command is stuck if for example database is not accessible and
    we should kill it after some timeout to prevent further issue with salt-minion.

Change-Id: I42abfe7325d6238646564afb401dcf512ed81e57
diff --git a/keystone/server.sls b/keystone/server.sls
index cf54fb4..eebbb8c 100644
--- a/keystone/server.sls
+++ b/keystone/server.sls
@@ -198,6 +198,7 @@
 keystone_syncdb:
   cmd.run:
   - name: keystone-manage db_sync; sleep 1
+  - timeout: 120
   - require:
     - service: keystone_service
 {%- endif %}