feat: update certbot module

- update documentation
- add option to notify services
- set haproxy role to notify the haproxy service

modules/certbot/manifests/client.pp

@@ -1,7 +1,14 @@
+# used by certbot clients to request letsencrypt certificates
+# - domains: list of certificates to generate
+# - webserver: where the client downloads certificates from
+# - data_dir: where to store the certificates on the client
+# - services: the services to notify when certificates change
+#
 class certbot::client (
   Array[Stdlib::Fqdn]   $domains,
   Stdlib::Fqdn          $webserver,
   Stdlib::Absolutepath  $data_dir = '/etc/pki/tls/letsencrypt/',
+  Optional[String]      $service = undef,
 ) {
 
   mkdir::p {$data_dir:}
@@ -14,10 +21,11 @@ class certbot::client (
 
   $domains.each |$domain| {
     certbot::client::cert {"${facts['networking']['fqdn']}_download_${domain}":
-      domain      => $domain,
-      destination => "${data_dir}/${domain}",
-      webserver   => $webserver,
-      require     => File[$data_dir],
+      domain         => $domain,
+      destination    => "${data_dir}/${domain}",
+      webserver      => $webserver,
+      require        => File[$data_dir],
+      notify_service => $service,
     }
   }
 }