metropolis/node/core/metrics: export (controller-manager|scheduler) metrics

Change-Id: Ie61551655cbf1130bb5f5beb2923dac1aa52f868
Reviewed-on: https://review.monogon.dev/c/monogon/+/1952
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/metropolis/node/core/roleserve/roleserve.go b/metropolis/node/core/roleserve/roleserve.go
index 02bc510..0c486d1 100644
--- a/metropolis/node/core/roleserve/roleserve.go
+++ b/metropolis/node/core/roleserve/roleserve.go
@@ -168,6 +168,7 @@
 	s.metrics = &workerMetrics{
 		curatorConnection: &s.CuratorConnection,
 		localRoles:        &s.localRoles,
+		localControlplane: &s.localControlPlane,
 	}
 
 	return s