39 lines
1.1 KiB
Nix
39 lines
1.1 KiB
Nix
{
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lib,
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pkgs,
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config,
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...
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}: {
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sops.secrets."duckdns" = {};
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systemd.timers."duckdns" = {
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wantedBy = ["timers.target"];
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timerConfig = {
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OnBootSec = "5m";
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OnUnitActiveSec = "5m";
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Unit = "duckdns.service";
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};
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};
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systemd.services."duckdns" = {
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script = let
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duckdns = pkgs.writeShellScriptBin "duckdns" ''
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TOKEN=$(${pkgs.coreutils}/bin/cat ${config.sops.secrets."duckdns".path})
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REALV6=$(${pkgs.iproute2}/bin/ip -6 addr show dev enp3s0 scope global \
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| ${pkgs.gawk}/bin/awk '/inet6 2/{print $2}' \
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| ${pkgs.coreutils}/bin/cut -d/ -f1 \
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| ${pkgs.gnugrep}/bin/grep -E 'f9c4$' \
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| ${pkgs.coreutils}/bin/head -n1)
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REALV4=$(${pkgs.curl}/bin/curl -s https://ifconfig.me --ipv4)
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${pkgs.coreutils}/bin/echo url="https://www.duckdns.org/update?domains=kylekrein&token=$TOKEN&ipv6=$REALV6&ip=$REALV4" | ${pkgs.curl}/bin/curl -k -K -
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'';
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in ''
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set -eu
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out=$(${duckdns}/bin/duckdns)
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${pkgs.coreutils}/bin/echo "Sent new IP Address to DuckDNS: $out"
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'';
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serviceConfig = {
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Type = "oneshot";
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User = "root";
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};
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};
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}
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