81 lines
2 KiB
Nix
81 lines
2 KiB
Nix
{ cluster, config, depot, lib, tools, ... }:
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let
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inherit (depot.reflection) interfaces;
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inherit (tools.meta) domain;
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patroni = cluster.config.links.patroni-pg-access;
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translateConfig = cfg: let
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configList = lib.mapAttrsToList (n: v: "${n}=${v}") cfg;
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in lib.concatStringsSep "\n" configList;
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in {
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links.localAuthoritativeDNS = {};
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age.secrets = {
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pdns-db-credentials = {
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file = ./pdns-db-credentials.age;
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mode = "0400";
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owner = "pdns";
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group = "pdns";
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};
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};
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networking.firewall = {
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allowedTCPPorts = [ 53 ];
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allowedUDPPorts = [ 53 ];
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};
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services.powerdns = {
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enable = true;
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extraConfig = translateConfig {
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launch = "gpgsql";
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local-address = config.links.localAuthoritativeDNS.tuple;
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gpgsql-host = patroni.ipv4;
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gpgsql-port = patroni.portStr;
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gpgsql-dbname = "powerdns";
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gpgsql-user = "powerdns";
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gpgsql-extra-connection-parameters = "passfile=${config.age.secrets.pdns-db-credentials.path}";
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version-string = "Private Void DNS";
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enable-lua-records = "yes";
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expand-alias = "yes";
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resolver = "127.0.0.1:8600";
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};
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};
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services.coredns = {
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enable = true;
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config = ''
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. {
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bind ${interfaces.primary.addr}
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chaos "Private Void DNS" info@privatevoid.net
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cache {
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success 4000 86400
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denial 0
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prefetch 3
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serve_stale 86400s
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}
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forward service.eu-central.sd-magic.${domain} 127.0.0.1:8600
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forward addr.eu-central.sd-magic.${domain} 127.0.0.1:8600
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forward . ${config.links.localAuthoritativeDNS.tuple}
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}
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'';
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};
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systemd.services.coredns = {
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after = [ "pdns.service" ];
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};
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consul.services.pdns = {
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mode = "external";
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definition = {
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name = "authoritative-dns-backend";
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address = config.links.localAuthoritativeDNS.ipv4;
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port = config.links.localAuthoritativeDNS.port;
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checks = lib.singleton {
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interval = "60s";
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tcp = config.links.localAuthoritativeDNS.tuple;
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};
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};
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};
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}
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