2023-10-07 10:29:47 -04:00
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{
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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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2024-01-05 11:12:26 -05:00
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sops.secrets.tsauth-sora = {
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sopsFile = ../../../secrets/tailscale/secrets.yaml;
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};
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2023-10-07 10:29:47 -04:00
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environment.systemPackages = [pkgs.jq pkgs.tailscale];
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services.tailscale = {
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useRoutingFeatures = lib.mkDefault "server"; # important to make it a server, it sets sysctl for ip forwarding without intervention and reboot
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};
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networking.firewall.allowedUDPPorts = [config.services.tailscale.port];
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networking.firewall.trustedInterfaces = [config.services.tailscale.interfaceName];
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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 = with pkgs; ''
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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="$(${tailscale}/bin/tailscale status -json | ${jq}/bin/jq -r .BackendState)"
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if [ $status = "Running" ]; then # if so, then do nothing
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exit 0
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fi
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# otherwise authenticate with tailscale
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${tailscale}/bin/tailscale up --authkey file:${config.sops.secrets.tsauth-sora.path} --advertise-exit-node=true --accept-dns=false
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'';
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};
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}
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