110 lines
2.9 KiB
Nix
110 lines
2.9 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.scheduled-commands;
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makeCommandScript = name: instanceCfg: pkgs.writeScriptBin "${name}-run" ''
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#!${pkgs.zsh}/bin/zsh
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# Source user shell to get environment and functions
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source ${config.home.homeDirectory}/.zshrc
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# Execute commands sequentially
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${concatStringsSep "\n" instanceCfg.commands}
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'';
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enabledInstances = filterAttrs (_: instanceCfg: instanceCfg.enable) cfg;
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in
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{
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options.services.scheduled-commands = mkOption {
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type = types.attrsOf (types.submodule {
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options = {
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enable = mkEnableOption "this scheduled command instance";
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commands = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [
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"echo 'Starting backup...'"
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"rsync -av /source /destination"
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"echo 'Backup completed'"
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];
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description = "List of shell commands to execute sequentially";
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};
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interval = mkOption {
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type = types.str;
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default = "daily";
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example = "*-*-* 08:00:00";
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description = "Systemd timer schedule (OnCalendar format)";
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};
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randomDelay = mkOption {
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type = types.str;
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default = "0";
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example = "1h";
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description = "Random delay before execution (e.g., '30m', '1h')";
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};
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description = mkOption {
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type = types.str;
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default = "Execute scheduled commands";
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example = "Download YouTube videos from subscriptions";
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description = "Description for the systemd service";
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};
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};
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});
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default = {};
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description = "Scheduled command execution services";
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};
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config = mkMerge [
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{
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home.packages = mapAttrsToList (name: instanceCfg:
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makeCommandScript name instanceCfg
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) enabledInstances;
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}
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{
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systemd.user.services = mapAttrs' (name: instanceCfg:
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nameValuePair name {
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Unit = {
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Description = instanceCfg.description;
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After = [ "network-online.target" ];
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};
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Service = {
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Type = "oneshot";
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ExecStart = "${makeCommandScript name instanceCfg}/bin/${name}-run";
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StandardOutput = "journal";
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StandardError = "journal";
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};
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Install = {
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WantedBy = mkForce [];
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};
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}
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) enabledInstances;
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systemd.user.timers = mapAttrs' (name: instanceCfg:
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nameValuePair name {
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Unit = {
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Description = "Timer for ${instanceCfg.description}";
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};
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Timer = {
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OnCalendar = instanceCfg.interval;
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Persistent = true;
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RandomizedDelaySec = instanceCfg.randomDelay;
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};
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Install = {
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WantedBy = [ "timers.target" ];
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};
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}
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) enabledInstances;
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}
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];
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}
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