Merge branch '23-Helm-service-monitor-Kafka-LagExporter' into 'master'

Let Helm deploy service monitor for Kafka Lag Exporter based on Helm template

Closes #23

See merge request !17

execution/infrastructure/kafka-lag-exporter/service-monitor.yaml

-apiVersion: monitoring.coreos.com/v1
-kind: ServiceMonitor
-metadata:
-  labels:
-    app: kafka-lag-exporter
-    appScope: titan-ccp
-  name: kafka-lag-exporter
-spec:
-  selector:
-    matchLabels:
-      #app: cp-kafka
-      jobLabel: kafka-lag-exporter
-  endpoints:
-    - port: http
-      interval: 5s
\ No newline at end of file

execution/infrastructure/kafka-lag-exporter/values.yaml

@@ -7,8 +7,10 @@ pollIntervalSeconds: 15
 
 prometheus:
   serviceMonitor:
-    enabled: false
-    interval: "30s"
+    enabled: true
+    interval: "5s"
+    additionalLabels:
+      appScope: titan-ccp
     # service monitor label selectors: https://github.com/helm/charts/blob/f5a751f174263971fafd21eee4e35416d6612a3d/stable/prometheus-operator/templates/prometheus/prometheus.yaml#L74
     # additionalLabels:
-    #   prometheus: k8s
+    #   prometheus: k8s
\ No newline at end of file