Fix bug 2142: Debug mode in Pebble Charms is not working

Change-Id: Icca7e2b3a38b0c9ca4859138931e2c92566fd1d9
Signed-off-by: Guillermo Calvino <guillermo.calvino@canonical.com>
diff --git a/installers/charm/osm-ro/src/charm.py b/installers/charm/osm-ro/src/charm.py
index c19281e..7b8acea 100755
--- a/installers/charm/osm-ro/src/charm.py
+++ b/installers/charm/osm-ro/src/charm.py
@@ -102,7 +102,8 @@
             check_container_ready(self.container)
 
             self._configure_certificates()
-            self._configure_service()
+            if not self.debug_mode.started:
+                self._configure_service()
             self._update_ro_relation()
 
             # Update charm status