feat: Add externalTrafficPolicy and custom port nodePort

deployment/templates/service.yaml

@@ -30,9 +30,13 @@ spec:
   clusterIP: {{ .Values.service.clusterIP | quote }}
   {{- end }}
   internalTrafficPolicy: {{ .Values.service.internalTrafficPolicy }}
+  externalTrafficPolicy: {{ .Values.service.externalTrafficPolicy }}
   ports:
   - name: "metrics"
     port: {{ .Values.service.port }}
+    {{- if ( and (eq .Values.service.type "NodePort" ) (not (empty .Values.service.nodePort)) ) }}
+    nodePort: {{ .Values.service.nodePort }}
+    {{- end }}
     targetPort: {{ .Values.service.port }}
     protocol: TCP
   selector:

deployment/values.yaml

@@ -93,10 +93,14 @@ service:
   # When enabled, the helm chart will create service
   enable: true
   type: ClusterIP
-  # Accepts either "Cluster" or "Local", choose Local if you want to route internal traffic within the node only
+  # Accepts either "Cluster" or "Local", more detail: https://kubernetes.io/docs/reference/networking/virtual-ips/#traffic-policies
+  # Choose Local if you want to route internal traffic within the node only
   internalTrafficPolicy: Cluster
+  # Choose Local if you want to route external traffic to only route to ready node-local endpoints
+  externalTrafficPolicy: Cluster
   clusterIP: ""
   port: 9400
+  nodePort: null
   address: ":9400"
   # Annotations to add to the service
   annotations: {}