diff --git a/modules/services/monitoring/smartd.nix b/modules/services/monitoring/smartd.nix index bf523d4f3f8..94a01eafc57 100644 --- a/modules/services/monitoring/smartd.nix +++ b/modules/services/monitoring/smartd.nix @@ -6,6 +6,30 @@ let cfg = config.services.smartd; + smartdMail = pkgs.writeScript "smartdmail.sh" '' + #! /bin/sh + TMPNAM=/tmp/smartd-message.$$.tmp + if test -n "$SMARTD_ADDRESS"; then + echo >"$TMPNAM" "From: smartd " + echo >>"$TMPNAM" 'To: undisclosed-recipients:;' + echo >>"$TMPNAM" "Subject: $SMARTD_SUBJECT" + echo >>"$TMPNAM" + echo >>"$TMPNAM" "Failure on $SMARTD_DEVICESTRING: $SMARTD_FAILTYPE" + echo >>"$TMPNAM" + cat >>"$TMPNAM" + ${pkgs.smartmontools}/sbin/smartctl >>"$TMPNAM" -a -d "$SMARTD_DEVICETYPE" "$SMARTD_DEVICE" + /var/setuid-wrappers/sendmail <"$TMPNAM" -f "$SENDER" -i "$SMARTD_ADDRESS" + fi + ''; + + smartdConf = pkgs.writeText "smartd.conf" (concatMapStrings (device: + '' + ${device} -m root -M exec ${smartdMail} + '' + ) cfg.devices); + + smartdFlags = if (cfg.devices == []) then "" else "--configfile=${smartdConf}"; + in { @@ -20,10 +44,23 @@ in type = types.bool; example = "true"; description = '' - Run smartd from the smartmontools package. + Run smartd from the smartmontools package. Note that e-mail + notifications will not be enabled unless you configure the list of + devices with services.smartd.devices as well. ''; }; + devices = mkOption { + default = []; + example = ["/dev/sda" "/dev/sdb"]; + description = '' + List of devices to monitor. By default -- if this list is empty --, + smartd will monitor all devices connected to the machine at the time + it's being run. Configuring this option has the added benefit of + enabling e-mail notifications to "root" every time smartd detects an + error. + ''; + }; }; }; @@ -40,7 +77,7 @@ in daemonType = "daemon"; - exec = "${pkgs.smartmontools}/sbin/smartd"; + exec = "${pkgs.smartmontools}/sbin/smartd --pidfile=/var/run/smartd.pid ${smartdFlags}"; }; };