master to internal service, slave to hold nodes port 53

deployments/dns/bind.yaml

@@ -137,6 +137,8 @@ spec:
       labels:
         app: bind-slave
     spec:
+      hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
       containers:
       - name: bind9
         image: internetsystemsconsortium/bind9:9.18
@@ -179,3 +181,20 @@ spec:
       targetPort: 53
       protocol: TCP
 
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name:      bind-master
+  namespace: dns
+spec:
+  type: ClusterIP
+  selector:
+    app: bind-master
+  ports:
+    - name: dns-udp
+      port: 53
+      protocol: UDP
+    - name: dns-tcp
+      port: 53
+      protocol: TCP