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|
{
config,
inputs,
lib,
pkgs,
this,
...
}:
with lib;
let
cfg = config.nixfiles.modules.unbound;
in
{
options.nixfiles.modules.unbound = {
enable = mkEnableOption "Unbound";
domain = mkOption {
description = "Domain name sans protocol scheme.";
type = with types; str;
default = config.networking.domain;
};
};
config = mkIf cfg.enable {
ark.directories = [ config.services.unbound.stateDir ];
nixfiles.modules.redis.enable = true;
services = {
unbound = {
enable = true;
package = pkgs.unbound-with-systemd.override {
withRedis = true;
withTFO = true;
};
checkconf = true;
settings = {
server = {
module-config = ''"respip validator iterator"'';
interface = with this.wireguard; [
"127.0.0.1"
"::1"
ipv4.address
ipv6.address
];
local-zone = concatLists (
mapAttrsToList (h: _: [ "\"${h}.${cfg.domain}\" redirect" ]) my.configurations
);
local-data = concatLists (
mapAttrsToList (
hostname:
let
domain = "${hostname}.${cfg.domain}";
in
attr:
(optionals (hasAttr "wireguard" attr) (
with attr.wireguard;
[
"\"${domain} 604800 IN A ${ipv4.address}\""
"\"${domain} 604800 IN AAAA ${ipv6.address}\""
"\"${domain}. A ${ipv4.address}\""
"\"${domain}. AAAA ${ipv6.address}\""
]
++ concatMap (domain: [
"\"${domain}. A ${ipv4.address}\""
"\"${domain}. AAAA ${ipv6.address}\""
]) attr.domains
))
) my.configurations
);
local-data-ptr = concatLists (
mapAttrsToList (
hostname:
let
domain = "${hostname}.${cfg.domain}";
in
attr:
(optionals (hasAttr "wireguard" attr) (
with attr.wireguard;
[
"\"${ipv4.address} ${domain}\""
"\"${ipv6.address} ${domain}\""
]
++ concatMap (domain: [
"\"${ipv4.address} ${domain}\""
"\"${ipv6.address} ${domain}\""
]) attr.domains
))
) my.configurations
);
private-domain = map (domain: "${domain}.") [
cfg.domain
"local"
];
private-address = with config.nixfiles.modules.wireguard; [
ipv4.subnet
ipv6.subnet
];
access-control = with config.nixfiles.modules.wireguard; [
"0.0.0.0/0 refuse"
"::/0 refuse"
"127.0.0.0/8 allow"
"::1/128 allow"
"${ipv4.subnet} allow"
"${ipv6.subnet} allow"
];
cache-min-ttl = 0;
serve-expired = true;
serve-expired-reply-ttl = 0;
prefetch = true;
prefetch-key = true;
hide-identity = true;
hide-version = true;
extended-statistics = true;
log-replies = false;
log-tag-queryreply = false;
log-local-actions = false;
verbosity = 0;
};
forward-zone = [
{
name = ".";
forward-tls-upstream = true;
forward-addr = dns.mkDoT dns.const.quad9.ecs;
}
];
cachedb = with config.services.redis.servers.default; {
backend = "redis";
redis-server-host = bind;
redis-server-port = port;
};
rpz = {
name = "hagezi.pro";
zonefile = "hagezi.pro";
url = "https://cdn.jsdelivr.net/gh/hagezi/dns-blocklists@latest/rpz/pro.txt";
};
};
enableRootTrustAnchor = true;
localControlSocketPath = "/run/unbound/unbound.socket";
};
prometheus.exporters.unbound = {
enable = true;
listenAddress = mkDefault this.wireguard.ipv4.address;
port = 9167;
inherit (config.services.unbound) group user;
unbound.host = "unix://${config.services.unbound.localControlSocketPath}";
};
};
boot.kernel.sysctl."net.ipv4.tcp_fastopen" = mkOverride 200 3;
topology = with cfg; {
nodes.${this.hostname}.services.unbound = {
name = "Unbound";
icon = "${inputs.homelab-svg-assets}/assets/unbound.svg";
details.listen.text = concatMapStringsSep "\n" (i: "${i}:53") (
filter (i: i != "127.0.0.1" && i != "::1") config.services.unbound.settings.server.interface
);
};
};
};
}
|
