+{ lib, pkgs, config, ... }:
+let
+ name = "etherpad-lite";
+ cfg = config.services.etherpad-lite;
+
+ uid = config.ids.uids.etherpad-lite;
+ gid = config.ids.gids.etherpad-lite;
+in
+{
+ options.services.etherpad-lite = {
+ enable = lib.mkEnableOption "Enable Etherpad lite’s service";
+ user = lib.mkOption {
+ type = lib.types.str;
+ default = name;
+ description = "User account under which Etherpad lite runs";
+ };
+ group = lib.mkOption {
+ type = lib.types.str;
+ default = name;
+ description = "Group under which Etherpad lite runs";
+ };
+ dataDir = lib.mkOption {
+ type = lib.types.path;
+ default = "/var/lib/${name}";
+ description = ''
+ The directory where Etherpad lite stores its data.
+ '';
+ };
+ configFile = lib.mkOption {
+ type = lib.types.path;
+ description = ''
+ The config file path for Etherpad lite.
+ '';
+ };
+ sessionKeyFile = lib.mkOption {
+ type = lib.types.path;
+ description = ''
+ The Session key file path for Etherpad lite.
+ '';
+ };
+ apiKeyFile = lib.mkOption {
+ type = lib.types.path;
+ description = ''
+ The API key file path for Etherpad lite.
+ '';
+ };
+ package = lib.mkOption {
+ type = lib.types.package;
+ default = pkgs.webapps.etherpad-lite;
+ description = ''
+ Etherpad lite package to use.
+ '';
+ };
+ modules = lib.mkOption {
+ type = lib.types.listOf lib.types.package;
+ default = [];
+ description = ''
+ Etherpad lite modules to use.
+ '';
+ };
+ # Output variables
+ workdir = lib.mkOption {
+ type = lib.types.package;
+ default = cfg.package.withModules cfg.modules;
+ description = ''
+ Adjusted Etherpad lite package with plugins
+ '';
+ readOnly = true;
+ };
+ systemdStateDirectory = lib.mkOption {
+ type = lib.types.str;
+ # Use ReadWritePaths= instead if varDir is outside of /var/lib
+ default = assert lib.strings.hasPrefix "/var/lib/" cfg.dataDir;
+ lib.strings.removePrefix "/var/lib/" cfg.dataDir;
+ description = ''
+ Adjusted Etherpad lite data directory for systemd
+ '';
+ readOnly = true;
+ };
+ };
+
+ config = lib.mkIf cfg.enable {
+ systemd.services.etherpad-lite = {
+ description = "Etherpad-lite";
+ wantedBy = [ "multi-user.target" ];
+ after = [ "network.target" "postgresql.service" ];
+ wants = [ "postgresql.service" ];
+
+ environment.NODE_ENV = "production";
+ environment.HOME = cfg.workdir;
+
+ path = [ pkgs.nodejs ];
+
+ script = ''
+ exec ${pkgs.nodejs}/bin/node ${cfg.workdir}/src/node/server.js \
+ --sessionkey ${cfg.sessionKeyFile} \
+ --apikey ${cfg.apiKeyFile} \
+ --settings ${cfg.configFile}
+ '';
+
+ serviceConfig = {
+ DynamicUser = true;
+ User = cfg.user;
+ Group = cfg.group;
+ WorkingDirectory = cfg.workdir;
+ PrivateTmp = true;
+ NoNewPrivileges = true;
+ PrivateDevices = true;
+ ProtectHome = true;
+ ProtectControlGroups = true;
+ ProtectKernelModules = true;
+ Restart = "always";
+ Type = "simple";
+ TimeoutSec = 60;
+ StateDirectory= cfg.systemdStateDirectory;
+ ExecStartPre = [
+ "+${pkgs.coreutils}/bin/install -d -m 0755 -o ${cfg.user} -g ${cfg.group} ${cfg.dataDir}/ep_initialized"
+ "+${pkgs.coreutils}/bin/chown -R ${cfg.user}:${cfg.group} ${cfg.dataDir} ${cfg.configFile} ${cfg.sessionKeyFile} ${cfg.apiKeyFile}"
+ ];
+ };
+ };
+
+ };
+}