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nixpkgs/nixos/modules/services/networking/stubby.nix
Emery Hemingway 02cb654a4d nixos/stubby: reduce to a settings-style configuration
Extract the example configuration from the package to provide a
working example.

Remove pkgs.stubby from `environment.systemPackages`.
2021-12-25 12:07:06 +01:00

90 lines
2.7 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 = 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
<literal>pkgs.stubby.passthru.settingsExample</literal>. See
<link xlink:href="https://dnsprivacy.org/wiki/display/DP/Configuring+Stubby"/>.
A list of the public recursive servers can be found here:
<link xlink:href="https://dnsprivacy.org/wiki/display/DP/DNS+Privacy+Test+Servers"/>.
'';
};
debugLogging = mkOption {
default = false;
type = types.bool;
description = "Enable or disable debug level logging.";
};
};
};
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.debugLogging "-l"}";
DynamicUser = true;
CacheDirectory = "stubby";
};
};
};
}