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{ config, lib, pkgs, ... }:
with lib;
{
###### interface
options = {
services.tinydns = {
enable = mkOption {
default = false;
type = types.bool;
description = "Whether to run the tinydns dns server";
};
data = mkOption {
type = types.lines;
default = "";
description = "The DNS data to serve, in the format described by tinydns-data(8)";
};
ip = mkOption {
default = "0.0.0.0";
type = types.str;
description = "IP address on which to listen for connections";
};
};
};
###### implementation
config = mkIf config.services.tinydns.enable {
environment.systemPackages = [ pkgs.djbdns ];
users.users.tinydns.isSystemUser = true;
systemd.services.tinydns = {
description = "djbdns tinydns server";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
path = with pkgs; [ daemontools djbdns ];
preStart = ''
rm -rf /var/lib/tinydns
tinydns-conf tinydns tinydns /var/lib/tinydns ${config.services.tinydns.ip}
cd /var/lib/tinydns/root/
ln -sf ${pkgs.writeText "tinydns-data" config.services.tinydns.data} data
tinydns-data
'';
script = ''
cd /var/lib/tinydns
exec ./run
'';
};
};
}
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