added podmonitor for metrics scraping

chart/templates/daemonset.yaml

@@ -15,6 +15,9 @@ spec:
   template:
     metadata:
       labels:
+        app: {{ include "chart.name"  . }}
+        chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+        release: {{ .Release.Name }}
         app.kubernetes.io/name: {{ include "chart.name" . }}
         app.kubernetes.io/instance: {{ .Release.Name }}
     spec:
@@ -25,8 +28,12 @@ spec:
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
           ports:
-            - containerPort: 8080
-              protocol: TCP
+          - containerPort: 8080
+            protocol: TCP
+            name: metrics
+          - containerPort: 80
+            protocol: TCP
+            name: web
           env:
             - name: NODE_NAME
               valueFrom:

chart/templates/pormonitor.yaml

@@ -0,0 +1,19 @@
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: kube-prometheus-stack-multicooker-metrics
+  namespace: monitoring
+  labels: 
+  #some of those labels should match the "spec.selector.matchLatels" of prometheus otherwise metrics won't be available in targets
+    app: kube-prometheus-stack-operator
+    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
+    release: kube-prometheus-stack
+    {{- range $key, $value := .Values.serviceMonitor.additionalLabels }}
+    {{ $key }}: {{ $value | quote }}
+spec:
+  selector:
+    matchLabels:
+       app: {{ include "chart.name"  . }}
+  podMetricsEndpoints:
+  - port: metrics
+  - path: "/metrics"

chart/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: docmarr/kubernetes-multicooker
-  tag: "1.0.0"
+  tag: "1.0.2"
   pullPolicy: Always 
 
 nameOverride: ""