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{ config, lib, dns, ... }:
with lib;
let
cfg = config.services.service-router;
domainAZone = domain: record: {
A = [ record ];
SOA = {
nameServer = "ns.${domain}.";
adminEmail = "dont@email.me";
serial = 2019030800;
};
NS = [ "ns.${domain}." ];
};
in {
options.services.service-router = {
enable = mkEnableOption "enable router";
routes = mkOption {
type = types.attrsOf (types.submodule { options = {
port = mkOption { type = types.int; };
host = mkOption { type = types.str; default = "127.0.0.1"; };
protocol = mkOption { type = types.str; default = "http"; };
nginx = mkOption { type = types.attrs; default = {}; };
}; });
default = {};
};
};
config = lib.mkIf cfg.enable {
services.nginx = {
enable = true;
recommendedOptimisation = true;
virtualHosts = lib.mapAttrs (_: val: {
locations."/" = if val.nginx == {} then {
proxyPass = "${val.protocol}://${val.host}:${toString val.port}";
proxyWebsockets = true;
} else val.nginx;
}) cfg.routes;
};
services.nsd = {
enable = true;
interfaces = [ "0.0.0.0" ];
zones = lib.mapAttrs (domain: val: {
data = dns.lib.toString domain (domainAZone domain val.host);
}) cfg.routes;
};
networking.firewall.allowedTCPPorts = [ 53 ];
networking.firewall.allowedUDPPorts = [ 53 ];
networking.hosts."127.0.0.1" = lib.mapAttrsToList (name: _: name) cfg.routes;
};
}
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