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|
{ config
, lib
, pkgs
, ...
}:
with lib;
let
cfg = config.services.routedns;
settingsFormat = pkgs.formats.toml { };
in
{
options.services.routedns = {
enable = mkEnableOption (lib.mdDoc "RouteDNS - DNS stub resolver, proxy and router");
settings = mkOption {
type = settingsFormat.type;
example = literalExpression ''
{
resolvers.cloudflare-dot = {
address = "1.1.1.1:853";
protocol = "dot";
};
groups.cloudflare-cached = {
type = "cache";
resolvers = ["cloudflare-dot"];
};
listeners.local-udp = {
address = "127.0.0.1:53";
protocol = "udp";
resolver = "cloudflare-cached";
};
listeners.local-tcp = {
address = "127.0.0.1:53";
protocol = "tcp";
resolver = "cloudflare-cached";
};
}
'';
description = lib.mdDoc ''
Configuration for RouteDNS, see <https://github.com/folbricht/routedns/blob/master/doc/configuration.md>
for more information.
'';
};
configFile = mkOption {
default = settingsFormat.generate "routedns.toml" cfg.settings;
defaultText = "A RouteDNS configuration file automatically generated by values from services.routedns.*";
type = types.path;
example = literalExpression ''"''${pkgs.routedns}/cmd/routedns/example-config/use-case-1.toml"'';
description = lib.mdDoc "Path to RouteDNS TOML configuration file.";
};
package = mkOption {
default = pkgs.routedns;
defaultText = literalExpression "pkgs.routedns";
type = types.package;
description = lib.mdDoc "RouteDNS package to use.";
};
};
config = mkIf cfg.enable {
systemd.services.routedns = {
description = "RouteDNS - DNS stub resolver, proxy and router";
after = [ "network.target" ]; # in case a bootstrap resolver is used, this might fail a few times until the respective server is actually reachable
wantedBy = [ "multi-user.target" ];
wants = [ "network.target" ];
startLimitIntervalSec = 30;
startLimitBurst = 5;
serviceConfig = {
Restart = "on-failure";
RestartSec = "5s";
LimitNPROC = 512;
LimitNOFILE = 1048576;
DynamicUser = true;
AmbientCapabilities = "CAP_NET_BIND_SERVICE";
NoNewPrivileges = true;
ExecStart = "${getBin cfg.package}/bin/routedns -l 4 ${cfg.configFile}";
};
};
};
meta.maintainers = with maintainers; [ jsimonetti ];
}
|