From 07a7baeb6bf21ce2018fc558fb849ba17669fb89 Mon Sep 17 00:00:00 2001
From: Joe Mou <dev@mou.fo>
Date: Fri, 26 Apr 2024 23:51:10 -0400
Subject: elmo: E-mail on certain systemd failures

---
 hostnix/elmo/system.nix | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

(limited to 'hostnix/elmo/system.nix')

diff --git a/hostnix/elmo/system.nix b/hostnix/elmo/system.nix
index 4f6ddb7..407ca42 100644
--- a/hostnix/elmo/system.nix
+++ b/hostnix/elmo/system.nix
@@ -34,11 +34,30 @@
   # https://nixos.wiki/wiki/Hardware/Apple#Auto_Restart
   systemd.services.enable-autorestart = {
     description = "Boot after power failure (server mode)";
-    wantedBy = [ "default.target" ];
+    wantedBy = [ "multi-user.target" ];
     serviceConfig = {
       Type = "oneshot";
     };
     # https://superuser.com/a/1051137
     script = "${pkgs.pciutils}/bin/setpci -s 00:1f.0 0xa4.b=0";
   };
+
+  # https://wiki.archlinux.org/index.php/Systemd/Timers#MAILTO
+  systemd.services."status-email@" = {
+    description = "Status email for %i";
+    serviceConfig = {
+      Type = "oneshot";
+    };
+    scriptArgs = "%i";
+    script = ''
+      ${pkgs.mailutils}/bin/mail -s "$1 status" root <<EOF
+      From: systemd <root>
+      Subject: $1 status
+      Content-Transfer-Encoding: 8bit
+      Content-Type: text/plain; charset=UTF-8
+
+      $(systemctl status --full "$1")
+      EOF
+    '';
+  };
 }
-- 
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