93 lines
2.7 KiB
Nix
93 lines
2.7 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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cfg = config.services.skydns;
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in {
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options.services.skydns = {
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enable = mkEnableOption "skydns service";
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etcd = {
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machines = mkOption {
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default = [ "http://127.0.0.1:2379" ];
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type = types.listOf types.str;
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description = lib.mdDoc "Skydns list of etcd endpoints to connect to.";
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};
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tlsKey = mkOption {
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default = null;
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type = types.nullOr types.path;
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description = lib.mdDoc "Skydns path of TLS client certificate - private key.";
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};
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tlsPem = mkOption {
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default = null;
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type = types.nullOr types.path;
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description = lib.mdDoc "Skydns path of TLS client certificate - public key.";
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};
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caCert = mkOption {
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default = null;
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type = types.nullOr types.path;
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description = lib.mdDoc "Skydns path of TLS certificate authority public key.";
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};
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};
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address = mkOption {
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default = "0.0.0.0:53";
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type = types.str;
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description = lib.mdDoc "Skydns address to bind to.";
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};
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domain = mkOption {
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default = "skydns.local.";
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type = types.str;
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description = lib.mdDoc "Skydns default domain if not specified by etcd config.";
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};
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nameservers = mkOption {
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default = map (n: n + ":53") config.networking.nameservers;
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defaultText = literalExpression ''map (n: n + ":53") config.networking.nameservers'';
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type = types.listOf types.str;
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description = lib.mdDoc "Skydns list of nameservers to forward DNS requests to when not authoritative for a domain.";
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example = ["8.8.8.8:53" "8.8.4.4:53"];
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};
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package = mkOption {
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default = pkgs.skydns;
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defaultText = literalExpression "pkgs.skydns";
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type = types.package;
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description = lib.mdDoc "Skydns package to use.";
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};
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extraConfig = mkOption {
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default = {};
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type = types.attrsOf types.str;
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description = lib.mdDoc "Skydns attribute set of extra config options passed as environment variables.";
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};
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};
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config = mkIf (cfg.enable) {
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systemd.services.skydns = {
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wantedBy = [ "multi-user.target" ];
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after = [ "network.target" "etcd.service" ];
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description = "Skydns Service";
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environment = {
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ETCD_MACHINES = concatStringsSep "," cfg.etcd.machines;
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ETCD_TLSKEY = cfg.etcd.tlsKey;
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ETCD_TLSPEM = cfg.etcd.tlsPem;
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ETCD_CACERT = cfg.etcd.caCert;
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SKYDNS_ADDR = cfg.address;
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SKYDNS_DOMAIN = cfg.domain;
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SKYDNS_NAMESERVERS = concatStringsSep "," cfg.nameservers;
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};
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serviceConfig = {
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ExecStart = "${cfg.package}/bin/skydns";
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};
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};
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environment.systemPackages = [ cfg.package ];
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};
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}
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