emptydir for run dir

deployments/dns/bind.yaml

@@ -121,6 +121,8 @@ spec:
           subPath: externaldns-key.conf
         - name: bind-cache
           mountPath: /var/cache/bind
+        - name: bind-rundir
+          mountPath: /run/named
       volumes:
       - name: dns-secrets
         secret:
@@ -130,6 +132,8 @@ spec:
           name: bind-master-config
       - name: bind-cache
         emptyDir: {}
+      - name: bind-rundir
+        emptyDir: {}
 ---
 apiVersion: apps/v1
 kind: DaemonSet