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