78 lines
2 KiB
Nix
78 lines
2 KiB
Nix
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# NixOS module for Tailscale
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.tailscale;
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aclVar = optionalAttrs (cfg.aclFile != null) {
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ACL_FILE = "--acl-file=${cfg.aclFile}";
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};
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in {
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options.services.tailscale = {
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enable = mkEnableOption "Tailscale relay";
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package = mkOption {
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type = types.package;
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default = pkgs.tailscale; # <- this doesn't actually exist yet
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description = "Tailscale client package to use";
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};
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port = mkOption {
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type = types.int;
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default = 41641;
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description = ''
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Set the port to listen on for incoming VPN packets.
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Remote nodes will automatically be informed about the new port
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number, but you might want to configure this in order to set
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external firewall settings.
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'';
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};
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aclFile = mkOption {
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type = with types; nullOr path;
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default = "${cfg.package}/etc/acl.json";
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};
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relayConf = mkOption {
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type = types.path;
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example = "/etc/tailscale.conf";
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description = "The path to relay.conf";
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};
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extraFlags = mkOption {
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type = with types; listOf str;
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default = [];
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description = "Extra flags you might want to pass to relaynode.";
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ];
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systemd.services.tailscale-relay = {
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description = "Traffic relay node for Tailscale IPN";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = with pkgs; [ iproute iptables ];
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unitConfig.ConditionPathExists = cfg.relayConf;
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script = concatStringsSep " " ([
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"${cfg.package}/bin/relaynode"
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"--port=${toString cfg.port}"
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"--config=${cfg.relayConf}"
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(optionalString (cfg.aclFile != null) "--acl-file=${cfg.aclFile}")
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] ++ cfg.extraFlags);
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serviceConfig = {
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RuntimeDirectory = "tailscale";
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LogsDirectory = "tailscale";
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};
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};
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};
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}
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