depot/third_party/tvl/ops/modules/prometheus-fail2ban-exporter.nix
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GitOrigin-RevId: e6e19f3d81a982a62e1bba08f0b4f7fdc21b4ea0
2022-05-19 16:39:52 +02:00

52 lines
1.3 KiB
Nix

{ config, lib, pkgs, depot, ... }:
let
cfg = config.services.prometheus-fail2ban-exporter;
in
{
options.services.prometheus-fail2ban-exporter = with lib; {
enable = mkEnableOption "Prometheus Fail2ban Exporter";
interval = mkOption {
description = "Systemd calendar expression for how often to run the interval";
type = types.string;
default = "minutely";
example = "hourly";
};
};
config = lib.mkIf cfg.enable {
systemd.services."prometheus-fail2ban-exporter" = {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" "fail2ban.service" ];
serviceConfig = {
User = "root";
Type = "oneshot";
ExecStart = pkgs.writeShellScript "prometheus-fail2ban-exporter" ''
set -eo pipefail
mkdir -p /var/lib/prometheus/node-exporter
exec prometheus-fail2ban-exporter
'';
};
path = [
pkgs.fail2ban
depot.third_party.prometheus-fail2ban-exporter
];
};
systemd.timers."prometheus-fail2ban-exporter" = {
wantedBy = [ "multi-user.target" ];
timerConfig.OnCalendar = cfg.interval;
};
services.prometheus.exporters.node = {
enabledCollectors = [ "textfile" ];
extraFlags = [
"--collector.textfile.directory=/var/lib/prometheus/node-exporter"
];
};
};
}