ansible/unbound: Validate the configuration as it is generated

Author: KellerFuchs

ansible/roles/unbound/tasks/main.yml

@@ -21,6 +21,7 @@
 - name: Configure unbound
   copy:
     dest: /etc/unbound/unbound.conf.d/{{ item.key }}.conf
+    validate: unbound-checkconf %s
     content: |
       # File managed with Ansible, do not edit manually
       {{ item.value }}