Simon Gardling
3f62b9c88e
Replace three custom Prometheus textfile collector scripts with
dedicated community-maintained exporters:
- jellyfin-collector.nix (25 LoC shell) -> rebelcore/jellyfin_exporter
Metric: jellyfin_active_streams -> count(jellyfin_now_playing_state)
Bonus: per-session labels (user, title, device, codec info)
- qbittorrent-collector.nix (40 LoC shell) -> anriha/qbittorrent-metrics-exporter
Metric: qbittorrent_{download,upload}_bytes_per_second -> qbit_{dl,up}speed
Bonus: per-torrent metrics with category/tag aggregation
- intel-gpu-collector.nix + .py (130 LoC Python) -> mike1808/igpu-exporter
Metric: intel_gpu_engine_busy_percent -> igpu_engines_busy_percent
Bonus: persistent daemon vs oneshot timer, no streaming JSON parser
All three run as persistent daemons scraped by Prometheus, replacing
the textfile-collector pattern of systemd timers writing .prom files.
Dashboard PromQL queries updated to match new metric names.
79 lines
2.1 KiB
Nix
79 lines
2.1 KiB
Nix
final: prev: {
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ensureZfsMounts = prev.writeShellApplication {
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name = "zfsEnsureMounted";
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runtimeInputs = with prev; [
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zfs
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gawk
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coreutils
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];
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text = ''
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#!/bin/sh
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if [[ "$#" -eq "0" ]]; then
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echo "no arguments passed"
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exit 1
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fi
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MOUNTED=$(zfs list -o mountpoint,mounted -H | awk '$NF == "yes" {NF--; print}')
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MISSING=""
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for target in "$@"; do
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if ! grep -Fxq "$target" <<< "$MOUNTED"; then
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MISSING="$MISSING $target"
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fi
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done
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if [[ -n "$MISSING" ]]; then
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echo "FAILURE, missing:$MISSING" 1>&2
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exit 1
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fi
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'';
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};
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reflac = prev.writeShellApplication {
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name = "reflac";
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runtimeInputs = with prev; [ flac ];
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excludeShellChecks = [ "2086" ];
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text = builtins.readFile (
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prev.fetchurl {
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url = "https://raw.githubusercontent.com/chungy/reflac/refs/heads/master/reflac";
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sha256 = "61c6cc8be3d276c6714e68b55e5de0e6491f50bbf195233073dbce14a1e278a7";
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}
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);
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};
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jellyfin-exporter = prev.buildGoModule rec {
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pname = "jellyfin-exporter";
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version = "unstable-2025-03-27";
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src = prev.fetchFromGitHub {
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owner = "rebelcore";
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repo = "jellyfin_exporter";
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rev = "8e3970cb1bdf3cb21fac099c13072bb7c1b20cf9";
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hash = "sha256-wDnhepYj1MyLRZlwKfmwf4xiEEL3mgQY6V+7TnBd0MY=";
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};
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vendorHash = "sha256-e08u10e/wNapNZSsD/fGVN9ybMHe3sW0yDIOqI8ZcYs=";
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# upstream tests require a running Jellyfin instance
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doCheck = false;
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meta.mainProgram = "jellyfin_exporter";
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};
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igpu-exporter = prev.buildGoModule rec {
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pname = "igpu-exporter";
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version = "unstable-2025-03-27";
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src = prev.fetchFromGitHub {
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owner = "mike1808";
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repo = "igpu-exporter";
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rev = "db2dace1a895c2b950f6d3ba1a2e46729251d124";
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hash = "sha256-xWTiu26UzTZIK/6jeda+x6VePUgoWTS0AekejFdgFWs=";
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};
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vendorHash = "sha256-oeCSKwDKVwvYQ1fjXXTwQSXNl/upDE3WAAk680vqh3U=";
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subPackages = [ "cmd" ];
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postInstall = ''
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mv $out/bin/cmd $out/bin/igpu-exporter
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'';
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meta.mainProgram = "igpu-exporter";
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};
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}
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