feat(NetworkPolicy): configure from values.yaml

!4

templates/NetworkPolicy.yaml

@@ -0,0 +1,21 @@
+
+{{ range .Values.nfc_monitoring.network_policy.policies }}
+---
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  labels:
+    {{ toYaml (get $.Values.nfc_monitoring .name ).labels | nindent 4 }}
+    app.kubernetes.io/managed-by: {{ $.Release.Service }}
+    app.kubernetes.io/part-of: {{ $.Chart.Name }}
+    app.kubernetes.io/version: {{ $.Chart.Version }}
+  name: {{ .name  | replace "_" "-" }}
+  namespace: {{ (get $.Values.nfc_monitoring .name ).namespace }}
+spec:
+  {{ toYaml .policy | nindent 2 }}
+
+  podSelector:
+    matchLabels:
+      {{ toYaml (get $.Values.nfc_monitoring .name ).labels | nindent 6 }}
+
+{{ end }}

values.yaml

@@ -357,6 +357,23 @@ nfc_monitoring:
       label_value: "1"
 
 
+  network_policy:
+    
+    enabled: true
+
+    # Network Policies to apply. These policies are automagically build using the values below.
+    # 
+    # Do:
+    #   - Define 'Ingress'
+    #   - Define 'Egress'
+    #   - Ensure that the name matches the item name from values.yaml. i.e. nfc_monitoring.{item_name}
+    #     for prometheus the item name is 'prometheus'. This value is used to select items pertaining to
+    #     that item from values.yaml. for example the labels and namespace.
+    # Dont:
+    #   - Define 'podSelector' as this is alreaady included using the selector labels
+    policies:
+
+
 loki_instance:
   image: 
     name: grafana/loki