Add nixos-exporter prometheus exporter to track NixOS generation metrics and flake revision status across all hosts. Changes: - Add nixos-exporter flake input - Add commonModules list in flake.nix for modules shared by all hosts - Enable nixos-exporter in system/monitoring/metrics.nix - Configure Prometheus to scrape nixos-exporter on all hosts Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
5.9 KiB
5.9 KiB