47 lines
1.4 KiB
Nix
47 lines
1.4 KiB
Nix
{
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config,
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lib,
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pkgs,
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...
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}: {
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services.tailscale.enable = true;
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networking = {
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firewall = {
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extraInputRules = ''
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meta iifname m0wire accept comment "wireguard vpn"
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meta iifname tailscale0 accept comment "headscale vpn"
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'';
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checkReversePath = "loose";
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allowedUDPPorts = [config.services.tailscale.port];
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};
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};
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# 2023-03-03: https://tailscale.com/blog/nixos-minecraft/
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# create a oneshot job to authenticate to Tailscale
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systemd.services.tailscale-autoconnect = {
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description = "Automatic connection to Tailscale";
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# make sure tailscale is running before trying to connect to tailscale
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after = ["network-pre.target" "tailscale.service"];
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wants = ["network-pre.target" "tailscale.service"];
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wantedBy = ["multi-user.target"];
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# set this service as a oneshot job
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serviceConfig.Type = "oneshot";
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# have the job run this shell script
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script = ''
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# wait for tailscaled to settle
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sleep 2
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# check if we are already authenticated to tailscale
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status="$(${lib.getExe pkgs.tailscale} status -json | ${lib.getExe pkgs.jq} -r .BackendState)"
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if [ $status = "Running" ]; then # if so, then do nothing
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exit 0
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fi
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# otherwise authenticate with tailscale
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${lib.getExe pkgs.tailscale} up -authkey file:${config.age.secrets."tailscale-preauthkey".path} -login-server https://headscale.maralorn.de
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'';
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};
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}
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