depot/nixos/modules/services/networking/stubby.nix
Luke Granger-Brown 57725ef3ec Squashed 'third_party/nixpkgs/' content from commit 76612b17c0ce
git-subtree-dir: third_party/nixpkgs
git-subtree-split: 76612b17c0ce71689921ca12d9ffdc9c23ce40b2
2024-11-10 23:59:47 +00:00

103 lines
3.1 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.stubby;
settingsFormat = pkgs.formats.yaml { };
confFile = settingsFormat.generate "stubby.yml" cfg.settings;
in {
imports = [
(mkRemovedOptionModule [ "stubby" "debugLogging" ] "Use services.stubby.logLevel = \"debug\"; instead.")
] ++ map (x:
(mkRemovedOptionModule [ "services" "stubby" x ]
"Stubby configuration moved to services.stubby.settings.")) [
"authenticationMode"
"fallbackProtocols"
"idleTimeout"
"listenAddresses"
"queryPaddingBlocksize"
"roundRobinUpstreams"
"subnetPrivate"
"upstreamServers"
];
options = {
services.stubby = {
enable = mkEnableOption "Stubby DNS resolver";
settings = mkOption {
type = types.attrsOf settingsFormat.type;
example = lib.literalExpression ''
pkgs.stubby.passthru.settingsExample // {
upstream_recursive_servers = [{
address_data = "158.64.1.29";
tls_auth_name = "kaitain.restena.lu";
tls_pubkey_pinset = [{
digest = "sha256";
value = "7ftvIkA+UeN/ktVkovd/7rPZ6mbkhVI7/8HnFJIiLa4=";
}];
}];
};
'';
description = ''
Content of the Stubby configuration file. All Stubby settings may be set or queried
here. The default settings are available at
`pkgs.stubby.passthru.settingsExample`. See
<https://dnsprivacy.org/wiki/display/DP/Configuring+Stubby>.
A list of the public recursive servers can be found here:
<https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Test+Servers>.
'';
};
logLevel = let
logLevels = {
emerg = 0;
alert = 1;
crit = 2;
error = 3;
warning = 4;
notice = 5;
info = 6;
debug = 7;
};
in mkOption {
default = null;
type = types.nullOr (types.enum (attrNames logLevels ++ attrValues logLevels));
apply = v: if isString v then logLevels.${v} else v;
description = "Log verbosity (syslog keyword or level).";
};
};
};
config = mkIf cfg.enable {
assertions = [{
assertion =
(cfg.settings.resolution_type or "") == "GETDNS_RESOLUTION_STUB";
message = ''
services.stubby.settings.resolution_type must be set to "GETDNS_RESOLUTION_STUB".
Is services.stubby.settings unset?
'';
}];
services.stubby.settings.appdata_dir = "/var/cache/stubby";
systemd.services.stubby = {
description = "Stubby local DNS resolver";
after = [ "network.target" ];
before = [ "nss-lookup.target" ];
wantedBy = [ "multi-user.target" ];
serviceConfig = {
Type = "notify";
AmbientCapabilities = "CAP_NET_BIND_SERVICE";
CapabilityBoundingSet = "CAP_NET_BIND_SERVICE";
ExecStart = "${pkgs.stubby}/bin/stubby -C ${confFile} ${optionalString (cfg.logLevel != null) "-v ${toString cfg.logLevel}"}";
DynamicUser = true;
CacheDirectory = "stubby";
};
};
};
}