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chore(home-server): improve IP retrieval for dyn DNS

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This commit is contained in:
Felix Schröter 2025-06-06 18:02:04 +02:00
parent e5d9d21647
commit 5b7be699f3
Signed by: felschr
GPG key ID: 671E39E6744C807D
1 changed files with 4 additions and 5 deletions

9
hosts/home-server/default.nix
View file

@ -74,14 +74,13 @@ in
'';
services.inadyn.ipv4.enable = true;
services.inadyn.ipv4.command = "${pkgs.writeScript "get-ipv4" ''
${pkgs.tailscale}/bin/tailscale status --json \
| ${pkgs.jq}/bin/jq -r '.Self.Addrs[0]' \
| cut -f1 -d":"
eth=$(ls /sys/class/net | grep -E '^(enp|eth)' | head -1)
${pkgs.curl}/bin/curl -4 --interface "$eth" ip.me
''}";
services.inadyn.ipv6.enable = true;
services.inadyn.ipv6.command = "${pkgs.writeScript "get-ipv6" ''
${pkgs.iproute2}/bin/ip -6 addr show scope global \
| ${pkgs.grepcidr}/bin/grepcidr '2000::/3' \
eth=$(ls /sys/class/net | grep -E '^(enp|eth)' | head -1)
${pkgs.iproute2}/bin/ip -6 addr show dev "$eth" scope global to '2000::/3' \
| grep -o '[0-9a-f:]*::102'
''}";
services.inadyn.domains = [