86 lines
2.3 KiB
Nix
86 lines
2.3 KiB
Nix
{
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lib,
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config,
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vacuModuleType ? "nixos",
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...
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}:
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let
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inherit (lib) mkOption types;
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nameishRegex = ''[a-z0-9_\.-]+'';
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nameish = types.strMatching nameishRegex;
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hostModule =
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{ name, config, ... }:
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let
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fullLanNames = lib.optional (config.isLan) "${config.primaryName}.t2d.lan";
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in
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{
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options = {
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primaryName = mkOption {
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type = nameish;
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default = name;
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};
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altNames = mkOption {
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type = types.listOf nameish;
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default = [ ];
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};
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isLan = mkOption {
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type = types.bool;
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default = false;
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};
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finalNames = mkOption {
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type = types.listOf nameish;
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readOnly = true;
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};
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primaryIp = mkOption {
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type = types.nullOr nameish;
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default = null;
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};
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altIps = mkOption {
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type = types.listOf nameish;
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default = [ ];
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};
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finalIps = mkOption {
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type = types.listOf nameish;
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readOnly = true;
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};
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makeStaticHostsEntry = mkOption { type = types.bool; };
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};
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config = {
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finalNames = lib.unique ([ config.primaryName ] ++ config.altNames ++ fullLanNames);
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finalIps = lib.unique ((lib.optional (config.primaryIp != null) config.primaryIp) ++ config.altIps);
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makeStaticHostsEntry = lib.mkDefault (config.primaryIp != null);
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};
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};
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etcHostsParts = lib.concatMap (
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hostMod:
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lib.optional hostMod.makeStaticHostsEntry (
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assert hostMod.primaryIp != null;
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"${hostMod.primaryIp} ${lib.concatStringsSep " " hostMod.finalNames}"
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)
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) (builtins.attrValues config.vacu.hosts);
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etcHostsText = lib.concatStringsSep "\n" etcHostsParts;
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in
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{
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options.vacu = {
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hosts = mkOption {
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type = types.attrsOf (types.submodule hostModule);
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default = { };
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};
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etcHostsText = mkOption {
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type = types.str;
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readOnly = true;
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default = etcHostsText;
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defaultText = "(output)";
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};
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};
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config =
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{ }
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// lib.optionalAttrs (vacuModuleType == "nixos") {
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networking.extraHosts = config.vacu.etcHostsText;
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}
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// lib.optionalAttrs (vacuModuleType == "nix-on-droid") {
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environment.etc.hosts.text = config.vacu.etcHostsText;
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};
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}
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// lib.optionalAttrs (vacuModuleType == "nixos") { _class = "nixos"; }
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