Switch public_dns to PowerDNS for RFC-2136 support.

This is needed for cert-manager. It will also be used for the external dns operator but the external dns operator also had a programmatic way to support CoreDNS through etcd.

ansible/roles/public_dns/tasks/freebsd.yaml

@@ -1,7 +1,7 @@
 - name: Install packages
   package:
     name:
-      - coredns
+      - powerdns
     state: present
 
 - name: Install service configuration
@@ -12,18 +12,18 @@
     owner: root
     group: wheel
   loop:
-    - coredns
-
+    - pdns
 
 - name: Create directories
   file:
     name: "{{ item }}"
     state: directory
     mode: 0755
-    owner: root
-    group: wheel
+    owner: pdns
+    group: pdns
   loop:
-    - /usr/local/etc/coredns
+    - /var/lib/powerdns
+    - /var/lib/powerdns/zones/
 
 - name: Copy files
   copy:
@@ -33,7 +33,23 @@
     owner: root
     group: wheel
   loop:
-    - src: Corefile
-      dest: /usr/local/etc/coredns/
+    - src: pdns.conf
+      dest: /usr/local/etc/pdns/
+    - src: bind.conf
+      dest: /usr/local/etc/pdns/
+
+- name: Initialize DB
+  command: "sudo -u pdns sqlite3 -init /usr/local/share/doc/powerdns/schema.sqlite3.sql /var/lib/powerdns/pdns.sqlite3"
+  args:
+    creates: "/var/lib/powerdns/pdns.sqlite3"
+
+- name: Copy files
+  copy:
+    src: "files/{{ item.src }}"
+    dest: "{{ item.dest }}"
+    mode: 0644
+    owner: pdns
+    group: pdns
+  loop:
     - src: master.db
-      dest: /usr/local/etc/coredns/
+      dest: /var/lib/powerdns/zones/