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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.systemd.status-mail;
serviceCfg = foldl singleServiceCfg {} cfg.onFailure;
singleServiceCfg = attrs: unitName: attrs // (setAttrByPath [unitName "onFailure"] ["unit-status-mail@%n.service"]);
in {
options = {
systemd.status-mail = {
onFailure = mkOption {
default = [];
type = types.listOf types.str;
description = ''
Send status mail when these units fail
'';
};
recipient = mkOption {
default = "root";
type = types.str;
description = ''
Recipient of status mails
'';
};
};
};
config = mkIf (cfg.onFailure != []) {
systemd.services = {
"unit-status-mail@" = {
serviceConfig = {
Type = "oneshot";
};
scriptArgs = "%I \"Hostname: %H\" \"Machine-ID: %m\" \"Boot-ID: %b\"";
path = with pkgs; [nettools];
script = ''
#!${pkgs.stdenv.shell}
MAILTO="${cfg.recipient}"
MAILFROM="unit-status-mailer@$(hostname -f)"
UNIT=$1
EXTRA=""
for e in "''${@:2}"; do
EXTRA+="$e"$'\n'
done
${config.security.wrapperDir}/sendmail $MAILTO <<EOF
From:$MAILFROM
To:$MAILTO
Subject:Status of $UNIT
Status report for unit: $UNIT
$EXTRA
$(systemctl status $UNIT)
EOF
'';
};
} // serviceCfg;
};
}
|
