112 lines
3.3 KiB
Nix
112 lines
3.3 KiB
Nix
{ config, lib, pkgs, ... }:
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{
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options.services.syndicate = lib.mkOption {
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default = { };
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example = {
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tty1 = {
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enable = true;
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user = "jane";
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config = [ "/etc/syndicate" ];
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};
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};
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description = ''
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Syndicate dataspace server instances.
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If the key is in the form of "tty''${N}" it will
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be attached to the appropriate teletypewriter.
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'';
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type = lib.types.attrsOf (lib.types.submodule {
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options = {
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enable = lib.mkEnableOption "this Syndicate dataspace server instance";
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user = lib.mkOption {
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type = lib.types.str;
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example = "jane";
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description = "User account under which the Syndicate server runs.";
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};
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package = lib.mkOption {
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default = pkgs.syndicate-server;
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defaultText = "pkgs.syndicate-server";
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type = lib.types.package;
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description =
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"The package to use for the Syndicate dataspace server.";
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};
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config = lib.mkOption {
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type = lib.types.listOf lib.types.path;
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description = "Configurations to load.";
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example = [ "/etc/syndicate" ];
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};
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};
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});
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};
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config = {
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systemd.services = let
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configure = name: cfg:
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let
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configFile = lib.pipe cfg.config [
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(lib.strings.concatMapStrings (dir: ''
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<require-service <config-watcher "${dir}" $.>>
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''))
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(pkgs.writeText "syndicate-nixos-config.pr")
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];
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in [{
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name = "syndicate-${name}";
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value = let
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serviceConfig = {
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RuntimeDirectory = name;
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ExecStart = "${cfg.package}/bin/syndicate-server --no-banner --config ${configFile}";
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User = cfg.user;
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};
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in {
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description = "Syndicate dataspace server";
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restartIfChanged = false;
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reloadIfChanged = false;
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wantedBy = [ "multi-user.target" ];
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} // (if builtins.match "tty[0-9]" name == null then {
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inherit serviceConfig;
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} else {
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after = [
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"systemd-user-sessions.service"
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"systemd-logind.service"
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"getty@${name}.service"
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];
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wants = [ "dbus.socket" "systemd-logind.service" ];
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conflicts = [ "getty@${name}.service" ];
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unitConfig.ConditionPathExists = "/dev/${name}";
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serviceConfig = serviceConfig // {
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PAMName = "login";
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StandardError = "journal";
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StandardInput = "tty-fail";
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StandardOutput = "journal";
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TTYPath = "/dev/${name}";
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TTYReset = "yes";
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TTYVHangup = "yes";
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TTYVTDisallocate = "yes";
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UtmpIdentifier = "%n";
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UtmpMode = "user";
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WorkingDirectory = "~";
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};
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});
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}];
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serverCfgs =
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lib.attrsets.filterAttrs (_: cfg: cfg.enable) config.services.syndicate;
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in lib.pipe serverCfgs [
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(lib.attrsets.mapAttrsToList configure)
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lib.lists.flatten
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builtins.listToAttrs
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];
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systemd.targets.multi-user.wants = lib.lists.flatten
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(lib.attrsets.mapAttrsToList
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(name: cfg: lib.optional cfg.enable "syndicate-${name}.service")
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config.services.syndicate);
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};
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}
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