102 lines
2.7 KiB
Nix
102 lines
2.7 KiB
Nix
{
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config,
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pkgs,
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lib,
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...
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}: let
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yaml = pkgs.formats.yaml {};
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in {
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services.prometheus = {
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exporters = {
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# Periodically check domain registration status
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domain = {
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enable = true;
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listenAddress = "127.0.0.1";
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extraFlags = let
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conf.domains = [
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"tlater.net"
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"tlater.com"
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];
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in [
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"--config=${yaml.generate "domains.yml" conf}"
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];
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};
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# System statistics
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node = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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systemd = {
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enable = true;
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listenAddress = "127.0.0.1";
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extraFlags = [
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# Disabled by default because only supported from systemd 235+
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"--systemd.collector.enable-restart-count"
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"--systemd.collector.enable-ip-accounting"
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];
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};
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# Various nginx metrics
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nginx = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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nginxlog = {
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enable = true;
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listenAddress = "127.0.0.1";
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group = "nginx";
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settings.namespaces =
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lib.mapAttrsToList (name: virtualHost: {
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inherit name;
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metrics_override.prefix = "nginxlog";
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namespace_label = "vhost";
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format = lib.concatStringsSep " " [
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"$remote_addr - $remote_user [$time_local]"
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''"$request" $status $body_bytes_sent''
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''"$http_referer" "$http_user_agent"''
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''rt=$request_time uct="$upstream_connect_time"''
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''uht="$upstream_header_time" urt="$upstream_response_time"''
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];
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source.files = [
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"/var/log/nginx/${name}/access.log"
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];
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})
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config.services.nginx.virtualHosts;
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};
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};
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extraExporters = {
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fail2ban = let
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cfg = config.services.prometheus.extraExporters.fail2ban;
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in {
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port = 9191;
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serviceOpts = {
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after = ["fail2ban.service"];
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requires = ["fail2ban.service"];
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serviceConfig = {
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Group = "fail2ban";
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RestrictAddressFamilies = ["AF_UNIX" "AF_INET" "AF_INET6"];
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ExecStart = lib.concatStringsSep " " [
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"${pkgs.local.prometheus-fail2ban-exporter}/bin/fail2ban-prometheus-exporter"
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"--collector.f2b.socket=/var/run/fail2ban/fail2ban.sock"
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"--web.listen-address='${cfg.listenAddress}:${toString cfg.port}'"
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"--collector.f2b.exit-on-socket-connection-error=true"
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];
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};
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};
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};
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};
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# TODO(tlater):
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# - wireguard (?)
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# - postgres (?)
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# - blackbox (?) (curl to see if http and similar is up)
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# - ssl_exporter (?)
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};
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}
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