nixpkgs/nixos/modules/services/logging/logrotate.nix
Jeff Slight fe07adef7f
nixos/logrotate: add newline before extraConfig
Co-authored-by: Ryan Mulligan <ryan@ryantm.com>
2020-05-13 20:52:26 -07:00

106 lines
2.5 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.logrotate;
pathOptions = {
options = {
path = mkOption {
type = types.str;
description = "The path to log files to be rotated";
};
user = mkOption {
type = types.str;
description = "The user account to use for rotation";
};
group = mkOption {
type = types.str;
description = "The group to use for rotation";
};
frequency = mkOption {
type = types.enum [
"daily" "weekly" "monthly" "yearly"
];
default = "daily";
description = "How often to rotate the logs";
};
keep = mkOption {
type = types.int;
default = 20;
description = "How many rotations to keep";
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = "Extra logrotate config options for this path";
};
};
};
pathConfig = options: ''
"${options.path}" {
su ${options.user} ${options.group}
${options.frequency}
missingok
notifempty
rotate ${toString options.keep}
${options.extraConfig}
}
'';
configFile = pkgs.writeText "logrotate.conf" (
(concatStringsSep "\n" ((map pathConfig cfg.paths) ++ [cfg.extraConfig]))
);
in
{
imports = [
(mkRenamedOptionModule [ "services" "logrotate" "config" ] [ "services" "logrotate" "extraConfig" ])
];
options = {
services.logrotate = {
enable = mkEnableOption "the logrotate systemd service";
paths = mkOption {
type = types.listOf (types.submodule pathOptions);
default = [];
description = "List of attribute sets with paths to rotate";
example = {
"/var/log/myapp/*.log" = {
user = "myuser";
group = "mygroup";
rotate = "weekly";
keep = 5;
};
};
};
extraConfig = mkOption {
default = "";
type = types.lines;
description = ''
Extra contents to add to the logrotate config file.
See https://linux.die.net/man/8/logrotate
'';
};
};
};
config = mkIf cfg.enable {
systemd.services.logrotate = {
description = "Logrotate Service";
wantedBy = [ "multi-user.target" ];
startAt = "*-*-* *:05:00";
serviceConfig.Restart = "no";
serviceConfig.User = "root";
script = ''
exec ${pkgs.logrotate}/sbin/logrotate ${configFile}
'';
};
};
}