aboutsummaryrefslogtreecommitdiff
path: root/infra/libkookie/nixpkgs/nixos/modules/services/networking/babeld.nix
blob: e62c74d0069df5a9207ae157888185667505cc42 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
{ config, lib, pkgs, ... }:

with lib;

let

  cfg = config.services.babeld;

  conditionalBoolToString = value: if (isBool value) then (boolToString value) else (toString value);

  paramsString = params:
    concatMapStringsSep " " (name: "${name} ${conditionalBoolToString (getAttr name params)}")
                   (attrNames params);

  interfaceConfig = name:
    let
      interface = getAttr name cfg.interfaces;
    in
    "interface ${name} ${paramsString interface}\n";

  configFile = with cfg; pkgs.writeText "babeld.conf" (
    (optionalString (cfg.interfaceDefaults != null) ''
      default ${paramsString cfg.interfaceDefaults}
    '')
    + (concatMapStrings interfaceConfig (attrNames cfg.interfaces))
    + extraConfig);

in

{

  ###### interface

  options = {

    services.babeld = {

      enable = mkEnableOption "the babeld network routing daemon";

      interfaceDefaults = mkOption {
        default = null;
        description = ''
          A set describing default parameters for babeld interfaces.
          See <citerefentry><refentrytitle>babeld</refentrytitle><manvolnum>8</manvolnum></citerefentry> for options.
        '';
        type = types.nullOr (types.attrsOf types.unspecified);
        example =
          {
            type = "tunnel";
            split-horizon = true;
          };
      };

      interfaces = mkOption {
        default = {};
        description = ''
          A set describing babeld interfaces.
          See <citerefentry><refentrytitle>babeld</refentrytitle><manvolnum>8</manvolnum></citerefentry> for options.
        '';
        type = types.attrsOf (types.attrsOf types.unspecified);
        example =
          { enp0s2 =
            { type = "wired";
              hello-interval = 5;
              split-horizon = "auto";
            };
          };
      };

      extraConfig = mkOption {
        default = "";
        description = ''
          Options that will be copied to babeld.conf.
          See <citerefentry><refentrytitle>babeld</refentrytitle><manvolnum>8</manvolnum></citerefentry> for details.
        '';
      };
    };

  };


  ###### implementation

  config = mkIf config.services.babeld.enable {

    systemd.services.babeld = {
      description = "Babel routing daemon";
      after = [ "network.target" ];
      wantedBy = [ "multi-user.target" ];
      serviceConfig.ExecStart = "${pkgs.babeld}/bin/babeld -c ${configFile}";
    };

  };

}