feat: add othergroups support for services

- extend glauth::obj::service to allow othergroups

modules/glauth/manifests/obj/service.pp

@@ -6,7 +6,12 @@ define glauth::obj::service (
   Integer $primarygroup,
   String $passsha256,
   Stdlib::Absolutepath $config_path,
+  Optional[Array[Integer]] $othergroups = [],
 ) {
+  $formatted_othergroups = $othergroups.empty ? {
+    true    => '[]',
+    false   => "[${othergroups.join(', ')}]",
+  }
   concat::fragment { "glauth_service_${service_name}":
     target  => $config_path,
     content => epp('glauth/obj/service.epp', {
@@ -15,6 +20,7 @@ define glauth::obj::service (
       'uidnumber'    => $uidnumber,
       'primarygroup' => $primarygroup,
       'passsha256'   => $passsha256,
+      'othergroups'  => $formatted_othergroups,
     }),
     order   => '80',
   }

modules/glauth/templates/obj/service.epp

@@ -4,4 +4,5 @@
   uidnumber = <%= $uidnumber %>
   primarygroup = <%= $primarygroup %>
   passsha256 = "<%= $passsha256 %>"
+  othergroups = <%= $othergroups %>