[service-monitor] Update armexporter w/ label to be picked up by ServiceMonitor.

manifests/armexporter/node-exporter-service.yaml

@@ -1,17 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  labels:
-    app: node-exporter
-    k8s-app: node-exporter
-  name: node-exporter
-spec:
-  type: ClusterIP
-  clusterIP: None
-  ports:
-  - name: http
-    port: 9100
-    protocol: TCP
-  selector:
-    app: node-exporter
-

manifests/armexporter/service.yaml

@@ -1,10 +1,14 @@
 apiVersion: v1
 kind: Service
 metadata:
+  namespace: monitoring
   labels:
+    app: arm-exporter
     k8s-app: arm-exporter
   name: arm-exporter
 spec:
+  type: ClusterIP
+  clusterIP: None
   ports:
   - name: http
     port: 9243