1{lib, ...}:
 2with lib; let
 3  secretType = types.submodule {
 4    options = {
 5      secretName = mkOption {
 6        type = types.str;
 7      };
 8    };
 9  };
10  optSecretType = types.nullOr (types.either types.str secretType);
11
12  hostModule = types.submodule {
13    options = {
14      network = mkOption {
15        type = networkModule;
16        default = {};
17        description = "Network configurations of the host.";
18      };
19      hostPublicKey = mkOption {
20        type = types.nullOr types.str;
21        default = null;
22      };
23      sshPorts = mkOption {
24        type = types.listOf types.port;
25        default = [22];
26      };
27    };
28  };
29
30  networkModule = types.submodule {
31    options = {
32      enable = mkOption {
33        type = types.nullOr (types.enum ["networkmanager" "networkd"]);
34        default = null;
35        description = "Which network manager to use.";
36      };
37      iface = mkOption {
38        type = types.str;
39      };
40      useDHCP = mkOption {
41        type = types.bool;
42        default = false;
43      };
44      nameservers = mkOption {
45        type = types.listOf types.str;
46        default = [];
47      };
48      search = mkOption {
49        type = types.listOf types.str;
50        default = [];
51      };
52      ipv4 = mkOption {
53        type = optSecretType;
54        default = null;
55      };
56      ipv6 = mkOption {
57        type = optSecretType;
58        default = null;
59      };
60      prefixLength4 = mkOption {
61        type = types.int;
62        default = 24;
63      };
64      prefixLength6 = mkOption {
65        type = types.int;
66        default = 64;
67      };
68      defaultGateway = mkOption {
69        type = optSecretType;
70        default = null;
71      };
72      defaultGateway6 = mkOption {
73        type = optSecretType;
74        default = null;
75      };
76    };
77  };
78in {
79  options.modules.my-hosts = mkOption {
80    type = types.attrsOf hostModule;
81    description = "My nix hosts general configuration";
82    default = {};
83  };
84  options.modules.currentHost = mkOption {
85    type = types.str;
86  };
87}