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{ config, lib, ... }:
with lib;
let
cfg = config.modules.services.blocky;
in
{
options.modules.services.blocky = {
enable = mkEnableOption "";
realHost = mkOption { type = types.str; default = "127.0.0.1"; };
};
config = mkIf cfg.enable {
services.blocky = {
enable = true;
settings = {
ports = {
# Safety: NixOS firewall should block public access to 53.
# Only machines connected to the tailscale is able to reach the service.
dns = 53;
http = 4000;
};
upstreams = {
groups.default = [
"https://dns.quad9.net/dns-query"
"https://one.one.one.one/dns-query"
];
timeout = "10s";
};
# For initially solving DoH/DoT Requests when no system Resolver is available
bootstrapDns = {
upstream = "https://dns.quad9.net/dns-query";
ips = [ "9.9.9.9" "149.112.112.112" ];
};
caching = {
minTime = "0m";
maxTime = "12h";
cacheTimeNegative = "1m";
prefetching = true;
};
prometheus.enable = true;
queryLog.type = "console";
conditional = {
fallbackUpstream = true;
};
# use Tailscale MagicDNS to resolve client names
clientLookup.upstream = "100.100.100.100";
blocking = {
blackLists = {
ads = [
"https://raw.githubusercontent.com/blocklistproject/Lists/master/ads.txt"
];
phishing = [
"https://raw.githubusercontent.com/blocklistproject/Lists/master/phishing.txt"
];
tracking = [
"https://raw.githubusercontent.com/blocklistproject/Lists/master/tracking.txt"
];
};
whiteLists = rec {
# Blocky will block all domains except ones in the whitelist
# IF there is no matching entry in blacklists
falsePositives = [
"https://gist.githubusercontent.com/sefidel/7c7a8dbbc912bcd665d9005e2ba120e1/raw"
];
ads = falsePositives;
phishing = falsePositives;
tracking = falsePositives;
};
clientGroupsBlock = {
default = [ "ads" "phishing" "tracking" ];
};
};
};
};
services.prometheus = {
enable = true;
globalConfig.scrape_interval = "15s";
globalConfig.evaluation_interval = "15s";
scrapeConfigs = [{
job_name = "blocky";
static_configs = [{ targets = [ "127.0.0.1:4000" ]; }];
}];
};
services.grafana = {
settings = {
# Required for blocky panel
panels.disable_sanitize_html = true;
};
provision = {
enable = true;
datasources.settings = {
datasources = [{
name = "Prometheus";
type = "prometheus";
access = "proxy";
orgId = 1;
uid = "5Z0Y8D3GXAMDODSF";
url = "http://127.0.0.1:${toString config.services.prometheus.port}";
isDefault = true;
jsonData = {
graphiteVersion = "1.1";
tlsAuth = false;
tlsAuthWithCACert = false;
};
version = 1;
editable = true;
}];
};
dashboards.settings = {
providers = [{ name = "My Dashboards"; options.path = "/etc/grafana-dashboards"; }];
};
};
};
environment.etc."grafana-dashboards/blocky_rev3.json" = {
text = replaceStrings ["\${VAR_BLOCKY_URL}"] ["https://${cfg.realHost}"] (builtins.readFile ./grafana_blocky_rev3.json);
group = "grafana";
user = "grafana";
};
};
}
|
