diff options
Diffstat (limited to 'nixos/modules/services/networking/tayga.nix')
| -rw-r--r-- | nixos/modules/services/networking/tayga.nix | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/nixos/modules/services/networking/tayga.nix b/nixos/modules/services/networking/tayga.nix index 1a0df33fe883d..9f118b243e90c 100644 --- a/nixos/modules/services/networking/tayga.nix +++ b/nixos/modules/services/networking/tayga.nix @@ -16,6 +16,8 @@ let prefix ${strAddr cfg.ipv6.pool} dynamic-pool ${strAddr cfg.ipv4.pool} data-dir ${cfg.dataDir} + + ${concatStringsSep "\n" (mapAttrsToList (ipv4: ipv6: "map " + ipv4 + " " + ipv6) cfg.mappings)} ''; addrOpts = v: @@ -103,18 +105,38 @@ in dataDir = mkOption { type = types.path; default = "/var/lib/tayga"; - description = "Directory for persistent data"; + description = "Directory for persistent data."; }; tunDevice = mkOption { type = types.str; default = "nat64"; - description = "Name of the nat64 tun device"; + description = "Name of the nat64 tun device."; + }; + + mappings = mkOption { + type = types.attrsOf types.str; + default = {}; + description = "Static IPv4 -> IPv6 host mappings."; + example = literalExpression '' + { + "192.168.5.42" = "2001:db8:1:4444::1"; + "192.168.5.43" = "2001:db8:1:4444::2"; + "192.168.255.2" = "2001:db8:1:569::143"; + } + ''; }; }; }; config = mkIf cfg.enable { + assertions = [ + { + assertion = allUnique (attrValues cfg.mappings); + message = "Neither the IPv4 nor the IPv6 addresses must be entered twice in the mappings."; + } + ]; + networking.interfaces."${cfg.tunDevice}" = { virtual = true; virtualType = "tun"; |