dns/master: Add support for slaves as IPs (slaves_ip)

roles/dns/master/defaults/main.yml

@@ -23,5 +23,6 @@ expire: 3600000
 ttl: "{{ global_dns_ttl }}"
 
 slaves: [] # for retriving IPs automatically by Ansible
+slaves_ip: []
 
 dname_subdomain: "external" # Must not contain the base domain, can be used to allow ignoring local overrides on purpose, will be ignored if empty

roles/dns/master/templates/zone.conf

@@ -36,11 +36,17 @@ zone "{{ domain }}" {
     {{ hostvars[fqdn].ansible_default_ipv4.address }};
     {{ hostvars[fqdn].ansible_default_ipv6.address }};
     {% endfor %}
+    {% for ip in slaves_ip %}
+    {{ ip }};
+    {% endfor %}
   };
   also-notify {
     {% for fqdn in slaves %}
     {{ hostvars[fqdn].ansible_default_ipv4.address }};
     {{ hostvars[fqdn].ansible_default_ipv6.address }};
     {% endfor %}
+    {% for ip in slaves_ip %}
+    {{ ip }};
+    {% endfor %}
   };
 };