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40 lines
1.2 KiB
Nix
40 lines
1.2 KiB
Nix
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{ config, pkgs, ... }:
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{
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imports = [ ./tailscale.nix ];
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# Mounts the secrets file
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age.secrets.tailscale-token = {
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file = ../../../secrets/services/tailscale/token.age;
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owner = "root";
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group = "root";
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mode = "600";
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};
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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" "run-agenix.d.mount" ];
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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 "$(cat "${config.age.secrets.tailscale-token.path}")"
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'';
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};
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}
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