feat(dns): Explicitly allow kubedns

apps/k8s01/dns/networkpolicy.yaml

@@ -8,6 +8,18 @@ spec:
     matchLabels:
       app: resolver
   ingress:
+  - from:
+      - namespaceSelector:
+          matchLabels:
+            kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              k8s-app: kube-dns
+    ports:
+      - port: 53
+        protocol: UDP
+      - port: 53
+        protocol: TCP
   - from:
     - ipBlock:
         cidr: 0.0.0.0/0