95 lines
2.4 KiB
Nix
95 lines
2.4 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.babeld;
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conditionalBoolToString = value: if (isBool value) then (boolToString value) else (toString value);
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paramsString = params:
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concatMapStringsSep " " (name: "${name} ${conditionalBoolToString (getAttr name params)}")
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(attrNames params);
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interfaceConfig = name:
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let
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interface = getAttr name cfg.interfaces;
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in
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"interface ${name} ${paramsString interface}\n";
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configFile = with cfg; pkgs.writeText "babeld.conf" (
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(optionalString (cfg.interfaceDefaults != null) ''
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default ${paramsString cfg.interfaceDefaults}
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'')
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+ (concatMapStrings interfaceConfig (attrNames cfg.interfaces))
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+ extraConfig);
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in
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{
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###### interface
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options = {
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services.babeld = {
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enable = mkEnableOption "the babeld network routing daemon";
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interfaceDefaults = mkOption {
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default = null;
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description = ''
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A set describing default parameters for babeld interfaces.
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See <citerefentry><refentrytitle>babeld</refentrytitle><manvolnum>8</manvolnum></citerefentry> for options.
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'';
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type = types.nullOr (types.attrsOf types.unspecified);
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example =
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{
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type = "tunnel";
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split-horizon = true;
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};
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};
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interfaces = mkOption {
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default = {};
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description = ''
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A set describing babeld interfaces.
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See <citerefentry><refentrytitle>babeld</refentrytitle><manvolnum>8</manvolnum></citerefentry> for options.
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'';
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type = types.attrsOf (types.attrsOf types.unspecified);
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example =
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{ enp0s2 =
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{ type = "wired";
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hello-interval = 5;
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split-horizon = "auto";
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};
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};
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};
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extraConfig = mkOption {
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default = "";
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description = ''
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Options that will be copied to babeld.conf.
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See <citerefentry><refentrytitle>babeld</refentrytitle><manvolnum>8</manvolnum></citerefentry> for details.
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'';
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};
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};
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};
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###### implementation
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config = mkIf config.services.babeld.enable {
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systemd.services.babeld = {
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description = "Babel routing daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig.ExecStart = "${pkgs.babeld}/bin/babeld -c ${configFile}";
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};
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};
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}
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