OZG-1279: Configure prometheus metrics

templates/_helpers.tpl

@@ -31,6 +31,7 @@
 app.kubernetes.io/instance: {{ include "app.name" . }}
 app.kubernetes.io/managed-by: {{ include "app.managedBy" . }}
 app.kubernetes.io/name: {{ include "app.name" . }}
+app.kubernetes.io/part-of: kop
 app.kubernetes.io/version: {{ include "app.version" . }}
 app.kubernetes.io/namespace: {{ include "app.namespace" . }}
 helm.sh/chart: {{ include "app.chart" . }}

templates/deployment.yaml

@@ -21,6 +21,7 @@ spec:
     metadata:
       labels:
         {{- include "app.defaultLabels" . | indent 8 }}
+        app.kubernetes.io/component: intelliform-adapter
     spec:
       topologySpreadConstraints:
       - maxSkew: 1

templates/service.yaml

@@ -6,9 +6,13 @@ metadata:
 spec:
   selector:
     {{- include "app.matchLabels" . | indent 4 }}
+    app.kubernetes.io/component: intelliform-adapter-service
   type: ClusterIP
   ports:
     - name: http
       port: 8080
       protocol: TCP
       targetPort: 8080
+    - name: metrics
+      port: 8081
+      protocol: TCP
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templates/service_monitor.yaml

+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "app.name" . }}
+  namespace: {{ include "app.namespace" . }}
+  labels:
+    {{- include "app.defaultLabels" . | indent 4 }}
+spec:
+  endpoints:
+  - honorLabels: true
+    port: metrics
+    path: /actuator/prometheus
+    relabelings:
+    - targetLabel: component
+      sourceLabels:
+      - __meta_kubernetes_pod_label_app_kubernetes_io_component
+    - targetLabel: partOf
+      sourceLabels:
+      - __meta_kubernetes_pod_label_app_kubernetes_io_part_of
+  namespaceSelector:
+    matchNames:
+    - {{ include "app.namespace" . }}
+  selector:
+    matchLabels:
+      {{- include "app.matchLabels" . | indent 6 }}
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