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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.
55 lines
1.6 KiB
Nix
55 lines
1.6 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let cfg = config.services.networking.websockify; in {
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options = {
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services.networking.websockify = {
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enable = mkOption {
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description = "Whether to enable websockify to forward websocket connections to TCP connections.";
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default = false;
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type = types.bool;
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};
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sslCert = mkOption {
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description = "Path to the SSL certificate.";
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type = types.path;
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};
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sslKey = mkOption {
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description = "Path to the SSL key.";
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default = cfg.sslCert;
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defaultText = "config.services.networking.websockify.sslCert";
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type = types.path;
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};
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portMap = mkOption {
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description = "Ports to map by default.";
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default = {};
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type = types.attrsOf types.int;
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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."websockify@" = {
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description = "Service to forward websocket connections to TCP connections (from port:to port %I)";
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script = ''
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IFS=':' read -a array <<< "$1"
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${pkgs.pythonPackages.websockify}/bin/websockify --ssl-only \
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--cert=${cfg.sslCert} --key=${cfg.sslKey} 0.0.0.0:''${array[0]} 0.0.0.0:''${array[1]}
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'';
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scriptArgs = "%i";
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};
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systemd.targets."default-websockify" = {
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description = "Target to start all default websockify@ services";
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unitConfig."X-StopOnReconfiguration" = true;
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wants = mapAttrsToList (name: value: "websockify@${name}:${toString value}.service") cfg.portMap;
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wantedBy = [ "multi-user.target" ];
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};
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};
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}
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