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|
{ config, lib, ... }:
with builtins;
with lib;
with types;
let
# Inherited attributes are used in submodules that have their own `config`.
inherit (config.krebs) users;
in
types // rec {
host = submodule ({ config, ... }: {
options = {
name = mkOption {
type = label;
default = config._module.args.name;
};
cores = mkOption {
type = positive;
};
nets = mkOption {
type = attrsOf net;
default = {};
};
owner = mkOption {
type = user;
default = users.krebs;
};
extraZones = mkOption {
default = {};
# TODO: string is either MX, NS, A or AAAA
type = with types; attrsOf string;
};
secure = mkOption {
type = bool;
default = false;
description = ''
If true, then the host is capable of keeping secret information.
TODO define minimum requirements for secure hosts
'';
};
ssh.pubkey = mkOption {
type = nullOr str;
default = null;
apply = x:
if x != null
then x
else trace "The option `krebs.hosts.${config.name}.ssh.pubkey' is unused." null;
};
ssh.privkey = mkOption {
type = nullOr (submodule {
options = {
bits = mkOption {
type = nullOr (enum ["4096"]);
default = null;
};
path = mkOption {
type = either path str;
apply = x: {
path = toString x;
string = x;
}.${typeOf x};
};
type = mkOption {
type = enum ["rsa" "ed25519"];
default = "ed25519";
};
};
});
default = null;
};
};
});
net = submodule ({ config, ... }: {
options = {
via = mkOption {
type = nullOr net;
default = null;
};
addrs = mkOption {
type = listOf addr;
default = config.addrs4 ++ config.addrs6;
# TODO only default addrs make sense
};
addrs4 = mkOption {
type = listOf addr4;
default = [];
};
addrs6 = mkOption {
type = listOf addr6;
default = [];
};
aliases = mkOption {
# TODO nonEmptyListOf hostname
type = listOf hostname;
default = [];
};
ssh = mkOption {
type = submodule {
options = {
port = mkOption {
type = nullOr int;
default = null;
};
};
};
default = {};
};
tinc = mkOption {
type = let net = config; in nullOr (submodule ({ config, ... }: {
options = {
config = mkOption {
type = str;
default = concatStringsSep "\n" (
(optionals (net.via != null)
(map (a: "Address = ${a}") net.via.addrs))
++
(map (a: "Subnet = ${a}") net.addrs)
++
[config.pubkey]
);
};
pubkey = mkOption {
type = str;
};
};
}));
default = null;
};
};
});
positive = mkOptionType {
name = "positive integer";
check = x: isInt x && x > 0;
merge = mergeOneOption;
};
secret-file = submodule ({ config, ... }: {
options = {
path = mkOption { type = str; };
mode = mkOption { type = str; default = "0400"; };
owner = mkOption {
type = user;
default = config.krebs.users.root;
};
group-name = mkOption {
type = str;
default = "root";
};
source-path = mkOption {
type = str;
default = toString <secrets> + "/${config._module.args.name}";
};
};
});
suffixed-str = suffs:
mkOptionType {
name = "string suffixed by ${concatStringsSep ", " suffs}";
check = x: isString x && any (flip hasSuffix x) suffs;
merge = mergeOneOption;
};
user = submodule ({ config, ... }: {
options = {
home = mkOption {
type = absolute-pathname;
default = "/home/${config.name}";
};
mail = mkOption {
type = str; # TODO retiolum mail address
};
name = mkOption {
type = username;
default = config._module.args.name;
};
pubkey = mkOption {
type = nullOr str;
default = null;
};
uid = mkOption {
type = int;
default = genid config.name;
};
};
});
# TODO
addr = str;
addr4 = str;
addr6 = str;
krebs.file-location = types.submodule {
options = {
# TODO user
host = mkOption {
type = host;
};
# TODO merge with ssl.privkey.path
path = mkOption {
type = types.either types.path types.str;
apply = x: {
path = toString x;
string = x;
}.${typeOf x};
};
};
};
# RFC952, B. Lexical grammar, <hname>
hostname = mkOptionType {
name = "hostname";
check = x: all label.check (splitString "." x);
merge = mergeOneOption;
};
# RFC952, B. Lexical grammar, <name>
# RFC1123, 2.1 Host Names and Numbers
label = mkOptionType {
name = "label";
# TODO case-insensitive labels
check = x: match "[0-9A-Za-z]([0-9A-Za-z-]*[0-9A-Za-z])?" x != null;
merge = mergeOneOption;
};
# POSIX.1‐2013, 3.278 Portable Filename Character Set
filename = mkOptionType {
name = "POSIX filename";
check = let
filename-chars = stringToCharacters
"-.0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
in s: all (flip elem filename-chars) (stringToCharacters s);
merge = mergeOneOption;
};
# POSIX.1‐2013, 3.2 Absolute Pathname
# TODO normalize slashes
# TODO two slashes
absolute-pathname = mkOptionType {
name = "POSIX absolute pathname";
check = s: pathname.check s && substring 0 1 s == "/";
};
# POSIX.1‐2013, 3.267 Pathname
# TODO normalize slashes
pathname = mkOptionType {
name = "POSIX pathname";
check = s: isString s && all filename.check (splitString "/" s);
};
# POSIX.1-2013, 3.431 User Name
username = mkOptionType {
name = "POSIX username";
check = s: filename.check s && substring 0 1 s != "-";
};
}
|
