SMART custom notifications (to test)

templates/nix-config/misc/smart.nix

@@ -1,9 +1,45 @@
 { config, pkgs, ... }:
+
+let
+  smartd_notifier = pkgs.writeScript "smartd-notify.sh" ''
+    #!${pkgs.bash}/bin/bash
+    
+    # 1. Send Technical Email to Admin
+    ADMIN_EMAIL="${config.email.adminAddress}"
+    SUBJECT="Numbus Server Alert: $SMARTD_FAILTYPE on $SMARTD_DEVICE"
+    
+    TECH_BODY="
+    SMARTD Alert Details:
+    Device: $SMARTD_DEVICE
+    Type: $SMARTD_DEVICETYPE
+    Failure Type: $SMARTD_FAILTYPE
+    Message: $SMARTD_MESSAGE
+    
+    Full Message:
+    $SMARTD_FULLMESSAGE
+    "
+    printf "Subject: [ADMIN] $SUBJECT\n\n$TECH_BODY" | /run/wrappers/bin/sendmail -t "$ADMIN_EMAIL"
+
+    # 2. Send Friendly Email to Owner
+    OWNER_NAME=$(cat /etc/numbus-server/owner 2>/dev/null || echo "User")
+    USER_EMAIL="${config.email.toAddress}"
+    
+    FRIENDLY_BODY="Hello $OWNER_NAME,
+
+    We detected a potential hardware issue on your server ($SMARTD_DEVICE).
+    Don't panic! The administrator has been notified and received the technical details.
+    They will contact you if any action is required on your part.
+
+    Your Numbus Server"
+    
+    printf "Subject: [Alert] Hardware check on your server\n\n$FRIENDLY_BODY" | /run/wrappers/bin/sendmail -t "$USER_EMAIL"
+  '';
+in
 {
 ### --> SMART disk heath
   services.smartd = {
     enable = true;
-    defaults.autodetected = "-a -o on -S on -s (S/../.././00|L/../../6/01) -n standby,q";
+    defaults.autodetected = "-a -o on -S on -s (S/../.././00|L/../../6/01) -n standby,q -M exec ${smartd_notifier}";
     notifications = {
       wall = {
         enable = true;