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64 lines
2.2 KiB
64 lines
2.2 KiB
{ config, lib, pkgs, ... }:
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with lib;
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let cfg = config.services.tailscale;
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in {
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meta.maintainers = with maintainers; [ danderson mbaillie ];
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options.services.tailscale = {
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enable = mkEnableOption "Tailscale client daemon";
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port = mkOption {
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type = types.port;
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default = 41641;
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description = "The port to listen on for tunnel traffic (0=autoselect).";
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};
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interfaceName = mkOption {
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type = types.str;
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default = "tailscale0";
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description = ''The interface name for tunnel traffic. Use "userspace-networking" (beta) to not use TUN.'';
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};
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permitCertUid = mkOption {
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type = types.nullOr types.nonEmptyStr;
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default = null;
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description = "Username or user ID of the user allowed to to fetch Tailscale TLS certificates for the node.";
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};
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package = mkOption {
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type = types.package;
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default = pkgs.tailscale;
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defaultText = literalExpression "pkgs.tailscale";
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description = "The package to use for tailscale";
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};
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};
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config = mkIf cfg.enable {
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environment.systemPackages = [ cfg.package ]; # for the CLI
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systemd.packages = [ cfg.package ];
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systemd.services.tailscaled = {
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wantedBy = [ "multi-user.target" ];
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path = [ pkgs.openresolv pkgs.procps ];
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serviceConfig.Environment = [
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"PORT=${toString cfg.port}"
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''"FLAGS=--tun ${lib.escapeShellArg cfg.interfaceName}"''
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] ++ (lib.optionals (cfg.permitCertUid != null) [
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"TS_PERMIT_CERT_UID=${cfg.permitCertUid}"
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]);
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# Restart tailscaled with a single `systemctl restart` at the
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# end of activation, rather than a `stop` followed by a later
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# `start`. Activation over Tailscale can hang for tens of
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# seconds in the stop+start setup, if the activation script has
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# a significant delay between the stop and start phases
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# (e.g. script blocked on another unit with a slow shutdown).
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#
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# Tailscale is aware of the correctness tradeoff involved, and
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# already makes its upstream systemd unit robust against unit
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# version mismatches on restart for compatibility with other
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# linux distros.
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stopIfChanged = false;
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};
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};
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}
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