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