Torjus Håkestad 97ff774d3f monitoring: add nixos-exporter to all hosts ...

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>

2026-02-06 23:55:29 +01:00

772 B

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