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{ config, lib, pkgs, ... }:
{
options.systemd.services = lib.mkOption {
type = with lib.types;
attrsOf (submodule ({ name, ... }: {
personal.monitor =
lib.mkEnableOption "e-mail monitoring for the ${name} service";
}));
};
config = {
programs.msmtp = {
enable = true;
accounts.default = {
auth = true;
tls = true;
tls_starttls = false;
host = "ssl0.ovh.net";
port = 465;
from = "quentin-machines@aristote.fr";
user = "quentin-machines@aristote.fr";
passwordeval = "cat /etc/msmtp/secrets";
};
};
systemd.services = lib.mkMerge [
config.systemd.services
{
"notify@" = lib.mkDefault {
description = "Send the status of the %i service as an e-mail.";
serviceConfig = {
Type = "oneshot";
ExecStart = let
netCfg = config.networking;
me = "${netCfg.hostName}.${netCfg.domain}";
script = pkgs.writeScript "notify" ''
#!${pkgs.runtimeShell}
service="$1"
echo \
"Subject: ${me}: service $service failed
Service $service failed on ${me}, with the following status:
$(systemctl status $service)
" | ${pkgs.msmtp}/bin/msmtp quentin@aristote.fr
'';
in "${script} %i";
};
};
}
(builtins.mapAttrs (_: value: {
onFailure = lib.optional value.personal.monitor "notify@%i.service";
}) config.systemd.services)
];
};
}
|
