Merge pull request #4802 from jkaurredhat/metrics_1.6

Fix for : https://bugzilla.redhat.com/show_bug.cgi?id=1467423

roles/openshift_metrics/defaults/main.yaml

@@ -49,7 +49,7 @@ openshift_metrics_resolution: 30s
 # overriding the values here
 #####
 
-openshift_metrics_master_url: https://kubernetes.default.svc.cluster.local
+openshift_metrics_master_url: https://kubernetes.default.svc
 openshift_metrics_node_id: nodename
 openshift_metrics_project: openshift-infra