torjus/nixos-exporter
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883ec25a6206e9a4359fbdb4743d59e1e68fd9ea
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Author SHA1 Message Date
Torjus Håkestad
883ec25a62 fix: add nix and git to PATH for flake collector 
The systemd service runs in a sandboxed environment without the usual
PATH. Add nix and git to the service path when flake collector is
enabled so it can run `nix flake metadata` on git+https:// URLs.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-06 23:09:46 +01:00
Torjus Håkestad
858e047bff fix: add timeouts to prevent denial of service 
Add 30-second timeout to nix flake metadata command to prevent hanging
on slow or unresponsive remotes. Add HTTP server timeouts (read, write,
idle) to protect against slowloris-style attacks.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-06 22:58:05 +01:00
Torjus Håkestad
f637da487c feat: implement nixos-exporter 
Prometheus exporter for NixOS-specific metrics including:
- Generation collector: count, current, booted, age, config mismatch
- Flake collector: input age, input info, revision behind

Includes NixOS module, flake packaging, and documentation.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
 2026-02-06 22:52:28 +01:00