130 lines
3.0 KiB
Nix
130 lines
3.0 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.winstone;
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winstoneOpts = { name, ... }: {
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options = {
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name = mkOption {
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default = name;
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internal = true;
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};
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serviceName = mkOption {
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type = types.str;
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description = ''
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The name of the systemd service. By default, it is
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derived from the winstone instance name.
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'';
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};
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warFile = mkOption {
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type = types.str;
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description = ''
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The WAR file that Winstone should serve.
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'';
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};
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javaPackage = mkOption {
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type = types.package;
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default = pkgs.jre;
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defaultText = "pkgs.jre";
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description = ''
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Which Java derivation to use for running Winstone.
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'';
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};
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user = mkOption {
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type = types.str;
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description = ''
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The user that should run this Winstone process and
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own the working directory.
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'';
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};
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group = mkOption {
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type = types.str;
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description = ''
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The group that will own the working directory.
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'';
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};
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workDir = mkOption {
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type = types.str;
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description = ''
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The working directory for this Winstone instance. Will
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contain extracted webapps etc. The directory will be
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created if it doesn't exist.
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'';
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};
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extraJavaOptions = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra command line options given to the java process running
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Winstone.
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'';
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};
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extraOptions = mkOption {
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type = types.listOf types.str;
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default = [];
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description = ''
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Extra command line options given to the Winstone process.
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'';
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};
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};
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config = {
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workDir = mkDefault "/run/winstone/${name}";
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serviceName = mkDefault "winstone-${name}";
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};
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};
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mkService = cfg: let
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opts = concatStringsSep " " (cfg.extraOptions ++ [
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"--warfile ${cfg.warFile}"
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]);
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javaOpts = concatStringsSep " " (cfg.extraJavaOptions ++ [
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"-Djava.io.tmpdir=${cfg.workDir}"
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"-jar ${pkgs.winstone}/lib/winstone.jar"
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]);
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in {
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wantedBy = [ "multi-user.target" ];
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description = "winstone service for ${cfg.name}";
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preStart = ''
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mkdir -p "${cfg.workDir}"
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chown ${cfg.user}:${cfg.group} "${cfg.workDir}"
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'';
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serviceConfig = {
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ExecStart = "${cfg.javaPackage}/bin/java ${javaOpts} ${opts}";
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User = cfg.user;
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PermissionsStartOnly = true;
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};
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};
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in {
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options = {
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services.winstone = mkOption {
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default = {};
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type = with types; attrsOf (submodule winstoneOpts);
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description = ''
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Defines independent Winstone services, each serving one WAR-file.
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'';
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};
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};
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config = mkIf (cfg != {}) {
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systemd.services = mapAttrs' (n: c: nameValuePair c.serviceName (mkService c)) cfg;
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};
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}
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