Add SMART monitoring

configuration.nix

@@ -90,6 +90,7 @@
     ./modules/networking.nix
     ./modules/datasync.nix
     ./modules/virtualization.nix
+    ./modules/monitoring.nix
   ];
 
 }

modules/monitoring.nix

@@ -0,0 +1,23 @@
+{ config, lib, pkgs, ... }:
+
+{
+  # Notify when a disk starts going haywire
+  services.smartd = {
+    enable = true;
+    notifications.mail = {
+      enable = true;
+      recipient = "akasroua@gmail.com";
+    };
+  };
+
+  # Enable trivial MTA for smartd notifications
+  services.ssmtp = {
+    enable = true;
+    useTLS = true;
+    useSTARTTLS = true;
+    domain = "gmail.com";
+    hostName = "smtp.gmail.com:587";
+    authUser = "akasroua@gmail.com";
+    authPassFile = "/var/keys/ssmtp";
+  };
+}