Configurable variables

tasks/main.yml

@@ -3,11 +3,18 @@
 - name: "add powerdns-recursor repository"
   become: true
   block:
-    - name: "powerdns repo apt key"
+    - name: Check if powerdns repo apt key exists
+      stat:
+        path: "/etc/apt/trusted.gpg.d/{{ repo_signed_key }}"
+      register: key_stat
+      ignore_errors: yes
+    
+    - name: Download powerdns repo apt key if needed
       become: true
       get_url: 
         url: https://repo.powerdns.com/FD380FBB-pub.asc
         dest: "/etc/apt/trusted.gpg.d/{{ repo_signed_key }}"
+      when: key_stat.stat.exists == False or key_stat.stat.checksum != 'sha256:checksum_of_the_source_key'
     
     - name: "powerdns-recursor {{ powerdns_version }} repo"
       become: true
@@ -31,12 +38,13 @@
       get_url:
         url: https://www.internic.net/domain/root.zone
         dest: /etc/powerdns/root.zone
+      when: root_cached == 'file'
 
     - name: "template powerdns-recursor configs"
       become: true
       template:
-        src: "templates{{ item }}.j2"
-        dest: "{{ item }}"
+        src: "templates{{ file }}.j2"
+        dest: "{{ file }}"
         owner: root
         group: root
         mode: 0644
@@ -46,5 +54,7 @@
         - /etc/powerdns/recursor.d/allow.lst
         - /etc/powerdns/recursor.d/forward.lst
         - /etc/powerdns/recursor.d/dns-script.lua
+      loop_control:
+        loop_var: file
   notify:
     - Restart powerdns-recursor