Berwn
49 lines
1.3 KiB
Nix
49 lines
1.3 KiB
Nix
# Static public IPv6 for hosts where SLAAC/RA doesn't bring up a global
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# address (e.g. Hetzner, which allocates a /64 but expects you to pick one
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# address yourself and route via the link-local gateway fe80::1).
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{ lib, config, ... }:
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let
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cfg = config.cnx.staticIPv6;
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in
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{
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options.cnx.staticIPv6 = {
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enable = lib.mkEnableOption "static public IPv6 on the primary interface";
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address = lib.mkOption {
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type = lib.types.str;
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example = "2a01:4f8:c014:b5c5::1";
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description = "Public IPv6 address (no prefix length).";
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};
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prefixLength = lib.mkOption {
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type = lib.types.int;
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default = 64;
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description = "Prefix length of the allocated block.";
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};
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interface = lib.mkOption {
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type = lib.types.str;
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default = "enp1s0";
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description = "Interface to assign the address to.";
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};
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gateway = lib.mkOption {
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type = lib.types.str;
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default = "fe80::1";
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description = "IPv6 default gateway (Hetzner uses the link-local fe80::1).";
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};
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};
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config = lib.mkIf cfg.enable {
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networking.interfaces.${cfg.interface}.ipv6.addresses = [
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{
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inherit (cfg) address prefixLength;
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}
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];
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networking.defaultGateway6 = {
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address = cfg.gateway;
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interface = cfg.interface;
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};
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};
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}
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