--- a/mod_pubsub_serverinfo/mod_pubsub_serverinfo.lua	Fri Nov 22 19:05:49 2024 +0000
+++ b/mod_pubsub_serverinfo/mod_pubsub_serverinfo.lua	Fri Nov 22 19:09:10 2024 +0000
@@ -12,6 +12,7 @@
 local public_providers_url = module:get_option_string(module.name.."_public_providers_url", "https://data.xmpp.net/providers/v2/providers-Ds.json");
 local delete_node_on_unload = module:get_option_boolean(module.name.."_delete_node_on_unload", false);
 local persist_items = module:get_option_boolean(module.name.."_persist_items", true);
+local include_user_count = module:get_option_boolean(module.name.."_publish_user_count", false);
 
 if not service and prosody.hosts["pubsub."..module.host] then
 	service = "pubsub."..module.host;
@@ -21,6 +22,11 @@
 	return;
 end
 
+local metric_registry = require "core.statsmanager".get_metric_registry();
+if include_user_count then
+	module:depends("measure_active_users");
+end
+
 local xmlns_pubsub = "http://jabber.org/protocol/pubsub";
 
 -- Needed to publish server-info-fields
@@ -184,6 +190,10 @@
 	return domains_by_host
 end
 
+local function get_gauge_metric(name)
+	return (metric_registry.families[name].data:get(module.host) or {}).value;
+end
+
 function publish_serverinfo()
 	module:log("debug", "Publishing server info...");
 	local domains_by_host = get_remote_domain_names()
@@ -211,7 +221,18 @@
 		end
 	end
 
-	request:up():up()
+	request:up();
+
+	if include_user_count then
+		local mau = get_gauge_metric("prosody_mod_measure_active_users/active_users_30d");
+		request:tag("users", { xmlns = "xmpp:prosody.im/protocol/serverinfo" });
+		if mau then
+			request:text_tag("active", ("%d"):format(mau));
+		end
+		request:up();
+	end
+
+	request:up()
 
 	module:send_iq(request):next(
 		function(response)