OZG-3880 network policy dynamic dns server config

src/main/helm/templates/network_policy.yaml

@@ -33,10 +33,7 @@ spec:
   - to:
     - namespaceSelector:
         matchLabels:
-          kubernetes.io/metadata.name: kube-system
-      podSelector:
-        matchLabels:
-          k8s-app: kube-dns
+          kubernetes.io/metadata.name: {{ required "networkPolicy.dnsServerNamespace must be set" (.Values.networkPolicy).dnsServerNamespace }}
     ports:
       - port: 53
         protocol: UDP

src/test/helm/network_policy_test.yaml

@@ -45,6 +45,9 @@ tests:
             name: network-policy-alfa
             namespace: by-helm-test
   - it: validate spec
+    set:
+      networkPolicy:
+        dnsServerNamespace: kube-system
     asserts:
       - equal:
           path: spec
@@ -74,9 +77,6 @@ tests:
               - namespaceSelector:
                   matchLabels:
                     kubernetes.io/metadata.name: kube-system
-                podSelector:
-                  matchLabels:
-                    k8s-app: kube-dns
               ports:
                 - port: 53
                   protocol: UDP

src/test/unit-values.yaml

@@ -45,3 +45,4 @@ image:
 
 networkPolicy:
   ssoPublicIp: 51.89.117.53/32
+  dnsServerNamespace: dummy-dns
\ No newline at end of file