diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix index a3f820a35a10..795f6fda3053 100644 --- a/nixos/modules/module-list.nix +++ b/nixos/modules/module-list.nix @@ -510,6 +510,7 @@ ./services/networking/ngircd.nix ./services/networking/nghttpx/default.nix ./services/networking/nix-serve.nix + ./services/networking/nixops-dns.nix ./services/networking/nntp-proxy.nix ./services/networking/nsd.nix ./services/networking/ntopng.nix diff --git a/nixos/modules/services/networking/nixops-dns.nix b/nixos/modules/services/networking/nixops-dns.nix new file mode 100644 index 000000000000..2bb1263b7fa2 --- /dev/null +++ b/nixos/modules/services/networking/nixops-dns.nix @@ -0,0 +1,79 @@ +{ config, lib, pkgs, ... }: + +with lib; +let + pkg = pkgs.nixops-dns; + cfg = config.services.nixops-dns; +in + +{ + options = { + services.nixops-dns = { + enable = mkOption { + type = types.bool; + default = false; + description = '' + Whether to enable the nixops-dns resolution + of NixOps virtual machines via dnsmasq and fake domain name. + ''; + }; + + user = mkOption { + type = types.str; + description = '' + The user the nixops-dns daemon should run as. + This should be the user, which is also used for nixops and + have the .nixops directory in its home. + ''; + }; + + domain = mkOption { + type = types.str; + description = '' + Fake domain name to resolve to NixOps virtual machines. + + For example "ops" will resolve "vm.ops". + ''; + example = "ops"; + default = "ops"; + }; + + dnsmasq = mkOption { + type = types.bool; + default = true; + description = '' + Enable dnsmasq forwarding to nixops-dns. This allows to use + nixops-dns for `services.nixops-dns.domain` resolution + while forwarding the rest of the queries to original resolvers. + ''; + }; + + }; + }; + + config = mkIf cfg.enable { + systemd.services.nixops-dns = { + description = "nixops-dns: DNS server for resolving NixOps machines"; + wantedBy = [ "multi-user.target" ]; + + serviceConfig = { + Type = "simple"; + User = cfg.user; + ExecStart="${pkg}/bin/nixops-dns --domain=.${cfg.domain}"; + }; + }; + + services.dnsmasq = mkIf cfg.dnsmasq { + enable = true; + resolveLocalQueries = true; + servers = [ + "/${cfg.domain}/127.0.0.1#5300" + ]; + extraConfig = '' + bind-interfaces + listen-address=127.0.0.1 + ''; + }; + + }; +}