Update LE certificates if not present

acmetool/tasks/main.yml

@@ -85,6 +85,18 @@
     - acmetool
     - certificates
 
+- name: test if the desired certificates are present
+  stat:
+    path: "/var/lib/acme/live/{{item.hostnames[0]}}"
+  register: live_stat
+  changed_when: not live_stat.stat.exists
+  with_items: "{{acmetool_certificates}}"
+  notify:
+    - update certificates
+  tags:
+    - acmetool
+    - certificates
+
 - name: ensure certificates are updated regularly
   systemd:
     name: acmetool.timer