Fix bug 2297: VIM status metric not working properly

Change-Id: If6442ef23f017079e6be8430c79bc58da449dd11
Signed-off-by: aguilard <e.dah.tid@telefonica.com>
diff --git a/src/osm_ngsa/dags/multivim_vim_status.py b/src/osm_ngsa/dags/multivim_vim_status.py
index 5307879..e830ff1 100644
--- a/src/osm_ngsa/dags/multivim_vim_status.py
+++ b/src/osm_ngsa/dags/multivim_vim_status.py
@@ -122,7 +122,8 @@
             if collector:
                 status = collector.is_vim_ok()
                 logger.info(f"VIM status: {status}")
-                metric.labels(vim_id).set(1)
+                if status:
+                    metric.labels(vim_id).set(1)
             else:
                 logger.info("Error creating VIM collector")
             # Push to Prometheus