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29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
89 lines
2 KiB
Nix
89 lines
2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.supybot;
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in
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{
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options = {
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services.supybot = {
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enable = mkOption {
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default = false;
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description = "Enable Supybot, an IRC bot";
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};
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stateDir = mkOption {
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# Setting this to /var/lib/supybot caused useradd to fail
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default = "/home/supybot";
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description = "The root directory, logs and plugins are stored here";
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};
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configFile = mkOption {
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type = types.path;
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description = ''
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Path to a supybot config file. This can be generated by
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running supybot-wizard.
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Note: all paths should include the full path to the stateDir
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directory (backup conf data logs logs/plugins plugins tmp web).
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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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environment.systemPackages = [ pkgs.pythonPackages.limnoria ];
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users.extraUsers = singleton {
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name = "supybot";
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uid = config.ids.uids.supybot;
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group = "supybot";
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description = "Supybot IRC bot user";
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home = cfg.stateDir;
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createHome = true;
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};
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users.extraGroups.supybot = {
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name = "supybot";
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gid = config.ids.gids.supybot;
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};
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systemd.services.supybot = {
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description = "Supybot, an IRC bot";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.pythonPackages.limnoria ];
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preStart = ''
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cd ${cfg.stateDir}
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mkdir -p backup conf data plugins logs/plugins tmp web
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ln -sf ${cfg.configFile} supybot.cfg
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# This needs to be created afresh every time
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rm -f supybot.cfg.bak
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'';
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serviceConfig = {
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ExecStart = "${pkgs.pythonPackages.limnoria}/bin/supybot ${cfg.stateDir}/supybot.cfg";
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PIDFile = "/run/supybot.pid";
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User = "supybot";
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Group = "supybot";
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UMask = "0007";
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Restart = "on-abort";
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StartLimitInterval = "5m";
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StartLimitBurst = "1";
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};
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};
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};
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}
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