{ config, lib, pkgs, ... }: with lib; let cfg = config.services.networking.websockify; in { options = { services.networking.websockify = { enable = mkOption { description = "Whether to enable websockify to forward websocket connections to TCP connections."; default = false; type = types.bool; }; sslCert = mkOption { description = "Path to the SSL certificate."; type = types.path; }; sslKey = mkOption { description = "Path to the SSL key."; default = cfg.sslCert; defaultText = literalExpression "config.services.networking.websockify.sslCert"; type = types.path; }; portMap = mkOption { description = "Ports to map by default."; default = {}; type = types.attrsOf types.int; }; }; }; config = mkIf cfg.enable { systemd.services."websockify@" = { description = "Service to forward websocket connections to TCP connections (from port:to port %I)"; script = '' IFS=':' read -a array <<< "$1" ${pkgs.python3Packages.websockify}/bin/websockify --ssl-only \ --cert=${cfg.sslCert} --key=${cfg.sslKey} 0.0.0.0:''${array[0]} 0.0.0.0:''${array[1]} ''; scriptArgs = "%i"; }; systemd.targets.default-websockify = { description = "Target to start all default websockify@ services"; unitConfig.X-StopOnReconfiguration = true; wants = mapAttrsToList (name: value: "websockify@${name}:${toString value}.service") cfg.portMap; wantedBy = [ "multi-user.target" ]; }; }; }