prepare powerdns

roles/nameserver/vars/debian.yml

@@ -1,6 +1,13 @@
 bind_package: bind9
 unbound_package: unbound
 perl_readbackwards: libfile-readbackwards-perl
+powerdns_server: pdns-server
+powerdns_recursor: pdns-recursor
+powerdns_tools: pdns-tools
+
+powerdns_backends:
+  - package: pdns-backend-bind
+  - package: pdns-backend-mysql
 
 # named / bind specific
 named_conf_zones: /etc/bind/named.conf.default-zones