librenms: enable monitoring via icinga

roles/librenms/tasks/main.yml

@@ -78,3 +78,8 @@
 
 - name: Start php7.4-fpm
   service: name=php7.4-fpm state=started enabled=yes
+
+- name: Enable monitoring
+  include_role: name=icinga-monitor tasks_from=http
+  vars:
+    vhost: "{{ librenms_domain }}"