98 lines
2.1 KiB
Nix
98 lines
2.1 KiB
Nix
{
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config,
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lib,
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self,
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...
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}:
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let
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cfg = config.dns;
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inherit (lib)
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mkEnableOption
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mkIf
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strings
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;
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inherit (config.networking) fqdn;
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agenixDnsDir = "${self}/agenix/dns/${fqdn}";
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agenixKeys = builtins.attrNames (builtins.readDir agenixDnsDir);
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keys = map (
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filename:
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let
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zonesub = _: "zonesub";
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subdomain = name: "subdomain ${name}";
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zoneDomain =
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if strings.hasSuffix ".key.age" filename then
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strings.removeSuffix ".key.age" filename
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else
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throw "${filename} is not a `.key.age` file";
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in
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{
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inherit (config.age.secrets."dns/${filename}") path;
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name = zoneDomain;
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type = if zoneDomain == fqdn then zonesub else subdomain;
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}
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) agenixKeys;
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in
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{
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options.dns = {
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enable = mkEnableOption "" // {
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default = true;
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};
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};
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config = mkIf cfg.enable {
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age.secrets = builtins.listToAttrs (
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map (
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filename:
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let
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path = "${agenixDnsDir}/${filename}";
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in
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{
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name = "dns/${filename}";
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value = {
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file = path;
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group = "named";
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owner = if config.acme.enable then "acme" else "named";
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mode = "440";
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};
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}
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) agenixKeys
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);
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services.bind = {
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enable = true;
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extraConfig = builtins.concatStringsSep "\n" (map (key: "include \"${key.path}\";") keys);
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zones."${fqdn}" = {
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# grant "tuxcord.net" zonesub ANY;
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extraConfig = ''
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update-policy {
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${builtins.concatStringsSep "\n" (
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map (key: "grant \"${key.name}\" ${key.type key.name} ANY;") keys
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)}
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};
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'';
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file = "/var/dns/${fqdn}.zone"; # need to put default stuff
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master = true;
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};
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};
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environment.persistence."/persist" = {
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directories = [
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{
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directory = "/var/dns";
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group = "named";
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user = "named";
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}
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];
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};
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networking.firewall.allowedUDPPorts = [ config.services.bind.listenOnPort ];
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};
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}
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