From 8b0a4ea33abcafe1faad98038857bf74fad2db44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Torjus=20H=C3=A5kestad?= <torjus@usit.uio.no>
Date: Thu, 5 Feb 2026 22:22:04 +0100
Subject: [PATCH] monitoring: use nats exporter instead of direct scrape

NATS HTTP monitoring endpoint serves JSON, not Prometheus format.
Use the prometheus-nats-exporter which queries the NATS endpoint
and exposes proper Prometheus metrics.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
---
 services/nats/default.nix | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/services/nats/default.nix b/services/nats/default.nix
index 2b6f5e9..2971a10 100644
--- a/services/nats/default.nix
+++ b/services/nats/default.nix
@@ -2,9 +2,14 @@
 {
   homelab.monitoring.scrapeTargets = [{
     job_name = "nats";
-    port = 8222;
+    port = 7777;
   }];
 
+  services.prometheus.exporters.nats = {
+    enable = true;
+    url = "http://localhost:8222";
+  };
+
   services.nats = {
     enable = true;
     jetstream = true;