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feat(sterni/ingeborg/monitoring): send smartd warnings to IRC

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Though netdata integrates smartd data it doesn't generate warnings like
smartd does. It would be nice to have them go to IRC. The NixOS module
for some reason has decided to implement its own very restricted
notifications framework on top of the one that smartd provides
dispatching to either mail (note that this is implemented in the NixOS
module and doesn't use smartd's own support for this), wall(1) or some
systemd mechanism. This is implemented in some shell script that can't
be provided by the user.

Luckily, the module is relatively small otherwise and we can easily
inline the relevant service definitions and use our own script instead.

Change-Id: I1e1ceff3c21a92ac42079c02813366671141b9b4
Reviewed-on: https://cl.tvl.fyi/c/depot/+/12969
Reviewed-by: sterni <sternenseemann@systemli.org>
Autosubmit: sterni <sternenseemann@systemli.org>
Tested-by: BuildkiteCI
This commit is contained in:
sterni 2025-01-11 16:46:46 +01:00 • committed by clbot
parent 767d6fdf78
commit 5dd66ab066
1 changed files with 31 additions and 12 deletions
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43
users/sterni/machines/ingeborg/monitoring.nix
View file

@ -35,20 +35,39 @@ in
}
'';
# TODO(sterni): irc notifications (?)
services = {
smartd = {
enable = true;
autodetect = true;
# Short self test every day 03:00
# Long self test every tuesday 05:00
defaults.autodetected = "-a -o on -s (S/../.././03|L/../../2/05)";
extraOptions = [
"-A"
"/var/log/smartd/"
];
# Based on nixos/modules/services/monitoring/smard.nix which has a much
# too specific smartd-notify.sh (and I'm too lazy to propose a redesign)
systemd.services.smartd = {
description = "S.M.A.R.T. Daemon";
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "notify";
ExecStart =
let
smartdNotify = pkgs.writeShellScript "smartd-notify.sh" ''
${send-irc-msg} "smartd: $SMARTD_FAILTYPE($SMARTD_DEVICE): $SMARTD_MESSAGE"
'';
smartdConf = pkgs.writeText "smartd.conf" (
# Short self test every day 03:00
# Long self test every tuesday 05:00
lib.concatMapStrings
(d: ''
${d} -m <nomailer> -M exec ${smartdNotify} -a -o on -s (S/../.././03|L/../../2/05)
'')
[ "DEFAULT" "DEVICESCAN" ]
);
in
lib.concatStringsSep " " [
"${pkgs.smartmontools}/sbin/smartd"
"-A"
"/var/log/smartd"
"--no-fork"
"--configfile=${smartdConf}"
];
};
};
services = {
netdata = {
enable = true;
config = {