mirror of
https://github.com/gensokyo-zone/infrastructure.git
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84 lines
2.5 KiB
Nix
84 lines
2.5 KiB
Nix
{
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config,
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lib,
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...
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}: let
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inherit (lib.modules) mkIf mkMerge;
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inherit (lib.attrsets) mapAttrsToList;
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inherit (lib.lists) any toList elem;
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in {
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config = {
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services.prometheus.exporters = {
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node = {
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port = 9091;
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extraFlags = ["--collector.disable-defaults"];
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enabledCollectors = mkMerge [
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(mkIf config.boot.supportedFilesystems.xfs or false [
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"xfs"
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])
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(mkIf config.boot.supportedFilesystems.zfs or false [
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"zfs"
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])
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(mkIf config.boot.supportedFilesystems.nfs or config.boot.supportedFilesystems.nfs4 or false [
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"nfs"
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])
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(mkIf config.services.nfs.server.enable [
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"nfsd"
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])
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(mkIf (!config.boot.isContainer) [
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"nvme"
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"hwmon"
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"thermal_zone"
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])
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(mkIf config.powerManagement.enable [
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"powersupplyclass"
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"rapl"
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])
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(mkIf (config.services.xserver.enable && elem "amdgpu" config.services.xserver.videoDrivers) [
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"drm"
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])
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(mkIf (config.networking.wireless.enable || config.networking.wireless.iwd.enable || config.networking.networkmanager.enable) [
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"wifi"
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])
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[
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"arp"
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"cpu"
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"cpufreq"
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"diskstats"
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"dmi"
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"entropy"
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"filesystem"
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"netdev"
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"sysctl"
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"systemd"
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"ethtool"
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"logind"
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"cgroups"
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"loadavg"
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"meminfo"
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"netstat"
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"os"
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"stat"
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"time"
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"uname"
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"vmstat"
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]
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];
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};
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};
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networking.firewall.interfaces.lan.allowedTCPPorts = let
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# blacklist broken/deprecated exporters
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allExporters = removeAttrs config.services.prometheus.exporters ["unifi-poller" "minio"];
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enablePort = fallback: exporter: exporter.enable or fallback && !exporter.openFirewall or (!fallback);
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mkExporterPorts = name: exporters': let
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exporters = toList exporters';
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allowedTCPPorts = map mkExporterPort exporters;
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res = builtins.tryEval (any (enablePort true) exporters);
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cond = lib.warnIf (!res.success) "broken prometheus exporter: ${name}" res.value;
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in
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mkIf cond allowedTCPPorts;
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mkExporterPort = exporter: mkIf (enablePort false exporter) exporter.port;
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in
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mkMerge (mapAttrsToList mkExporterPorts allExporters);
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};
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}
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