From 9cbeb3d9b3878d57f2c0def4bbe3d928001a69c5 Mon Sep 17 00:00:00 2001
From: Martin Fischer <martin@push-f.com>
Date: Sat, 24 Jan 2026 09:49:01 +0100
Subject: tweak(tente): send Grafana alerts via email instead of Matrix

Less moving parts. Instead of:

    Grafana -> Forwarder -> Conduit -> UnifiedPush? -> Matrix client

just

    Grafana -> Mail server -> Mail client
---
 nixos/hosts/tente/grafana.nix | 28 +++++++++++-----------------
 1 file changed, 11 insertions(+), 17 deletions(-)

(limited to 'nixos/hosts/tente/grafana.nix')

diff --git a/nixos/hosts/tente/grafana.nix b/nixos/hosts/tente/grafana.nix
index 73ea0d3..f6db5ca 100644
--- a/nixos/hosts/tente/grafana.nix
+++ b/nixos/hosts/tente/grafana.nix
@@ -9,20 +9,13 @@ in
     port = lib.mkOption {
       type = lib.types.int;
     };
-    matrixForwarderPort = lib.mkOption {
-      type = lib.types.int;
-    };
-    matrixServerUrl = lib.mkOption {
-      type = lib.types.str;
-    };
   };
 
-  imports = [
-    <top/shared/grafana-matrix-forwarder/service.nix>
-  ];
-
   config = {
-    age.secrets.grafana-matrix-forwarder-env.file = ./secrets/grafana-matrix-forwarder-env.age;
+    age.secrets.alerts-smtp = {
+      file = ./secrets/alerts-smtp.age;
+      owner = "grafana";
+    };
 
     services.grafana = {
       enable = true;
@@ -31,6 +24,13 @@ in
           http_addr = "0.0.0.0";
           http_port = cfg.port;
         };
+        smtp = rec {
+          enabled = true;
+          host = "smtp.migadu.com:465";
+          user = "alerts@push-f.com";
+          from_address = user;
+          password = "$__file{${config.age.secrets.alerts-smtp.path}}";
+        };
       };
 
       provision = {
@@ -61,11 +61,5 @@ in
         ];
       };
     };
-    services.grafana-matrix-forwarder = {
-      enable = true;
-      port = cfg.matrixForwarderPort;
-      homeserver = cfg.matrixServerUrl;
-      environmentFile = config.age.secrets.grafana-matrix-forwarder-env.path;
-    };
   };
 }
-- 
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