dotfiles/nixos/boxes/foureighty/tailscale-foureighty.nix
2021-06-12 16:46:42 +01:00

32 lines
1 KiB
Nix

{ config, pkgs, inputs, lib, ... }:
let
tailscale = inputs.nixpkgs-nixos-unstable.legacyPackages."x86_64-linux".tailscale;
in
{
systemd.services.tailscale-autoconnect = {
description = "Automatic connection to Tailscale";
# make sure tailscale is running before trying to connect to tailscale
after = [ "network-pre.target" "tailscale.service" ];
wants = [ "network-pre.target" "tailscale.service" ];
wantedBy = [ "multi-user.target" ];
# set this service as a oneshot job
serviceConfig.Type = "oneshot";
# have the job run this shell script
script = ''
# wait for tailscaled to settle
sleep 2
# check if we are already authenticated to tailscale
status="$(${tailscale}/bin/tailscale status -json | ${pkgs.jq}/bin/jq -r .BackendState)"
if [ $status = "Running" ]; then # if so, then do nothing
exit 0
fi
# otherwise authenticate with tailscale
${tailscale}/bin/tailscale up -authkey tskey-bd6b308c9c22272a0a66c442
'';
};
}