94 lines
2.9 KiB
Nix
94 lines
2.9 KiB
Nix
{ config, pkgs, lib, ... }:
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with lib;
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let
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hostname = config.networking.hostName;
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cfg = config.services.blackbox-exporter;
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nginxVHosts = config.services.nginx.virtualHosts or {};
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allDomains = (lib.attrNames nginxVHosts) ++ [
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"foundry-vtt.cloonar.com"
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];
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filteredDomains = builtins.filter (d: !builtins.elem d cfg.blacklistDomains) allDomains;
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httpsDomains = lib.map (d: "https://${d}") filteredDomains;
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domainsString = builtins.concatStringsSep "\n "
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(map (d: "\"${d}\",") httpsDomains);
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in {
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options.services.blackbox-exporter.blacklistDomains = mkOption {
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type = types.listOf types.str;
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default = [];
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description = "List of domains to monitor with Blackbox Exporter";
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};
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config = {
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services.blackbox-exporter = {
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blacklistDomains = [
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"attic.cloonar.com"
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"autoconfig.cloonar.com"
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"cloonar.dev"
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"loki.cloonar.com"
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"stage.korean-skin.care"
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"victoria-server.cloonar.com"
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"updns.cloonar.com"
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"feeds.jordanrannells.com"
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];
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};
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# Systemd service for Blackbox Exporter
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systemd.services.blackbox-exporter = {
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description = "Blackbox Exporter";
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after = [ "network-online.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig.ExecStart = ''
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${pkgs.prometheus-blackbox-exporter}/bin/blackbox_exporter \
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--config.file=/etc/blackbox_exporter/blackbox.yml
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'';
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};
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# Configuration file for Blackbox Exporter
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environment.etc."blackbox_exporter/blackbox.yml".text = ''
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modules:
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http_200_final:
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prober: http
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http:
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method: GET
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follow_redirects: true
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preferred_ip_protocol: "ip4" # <-- important: avoid blanket IPv6 failures
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# optional: if you want to prefer v6 but fall back to v4, add:
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# ip_protocol_fallback: true
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valid_http_versions: ["HTTP/1.1", "HTTP/2.0"] # tidy, not required but nice
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valid_status_codes: [200]
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'';
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# Add scrape config for VictoriaMetrics agent
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services.victoriametrics.extraScrapeConfigs = [
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''
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- job_name: "blackbox_http_all_domains"
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metrics_path: "/probe"
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params:
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module: ["http_200_final"]
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static_configs:
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- targets:
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[
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${domainsString}
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]
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relabel_configs:
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- source_labels: ["__address__"]
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target_label: "__param_target"
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regex: '(.*)'
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replacement: "$1"
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- source_labels: ["__param_target"]
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target_label: "instance"
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- target_label: "__address__"
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replacement: "127.0.0.1:9115"
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- source_labels: ["__address__"]
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regex: "127\\.0\\.0\\.1:9115"
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target_label: "__scheme__"
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replacement: "http"
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''
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];
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};
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}
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