Files
felhom.eu/documentation
admin 68a9f5475c
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hub v0.107.0: the hub rewrote a severity and said nothing (R-387); golden 0.223.0
One handler, two fields, opposite discipline. An unknown event_type is rejected
with a loud 400. An unknown severity was rewritten to "info" without a word -
and severityNotifies drops "info" before BOTH legs, so the event was stored,
answered 200, and mailed to nobody.

Two shipped features went out that way: DiskAlertKind.Severity emitted "warn"
until controller v0.215.0, app_start_failed until v0.223.0. Measured on the live
hub DB today: 91 app_start_failed events stored all-time, ZERO notification_log
rows before this session - not one, on any channel.

The mechanism built to catch this class was structurally blind to it: the
dispatcher's `unrecognized severity` line cannot execute for anything arriving
over the API, because the coercion one line earlier guarantees the value it
looks for cannot arrive.

The coercion STAYS - a rejected event is a lost event, and losing an alarm is
worse than mis-routing one. Only the silence is fixed: a WARN naming the
customer, the event type and the rejected value.

The dispatcher branch is KEPT, not deleted as dead, and the reason is evidence
rather than caution: cmd/hub/main.go wires dispatcher.ProcessEvent DIRECTLY as
the monitor.EventNotifyFunc for the staleness, host-staleness and offsite-box
checkers, which never pass through the handler. For those it is the only
severity guard there is. All 90 severity literals in internal/monitor are
already valid, so the guard is silent because the producers are correct.

Test count 702 -> 709. Red-proof seen failing: delete the WARN line and the
coercion test fails with "the hub rewrote a severity and said nothing".

Golden 0.223.0 baked and published (sha 9eaf39ac3921...), round-trip HTTP 206.
Vouching is the operator's act and was not done here.
2026-08-23 11:57:26 +02:00
..

Felhom — Documentation

Felhom is a managed home-server service for Hungarian households, built on a three-component model over Proxmox:

  • Hub — operator backend on k3s (hub.felhom.eu). Repo: felhom.eu/hub/.
  • Host agent — one per Proxmox host; operator-tier; owns all Proxmox interaction. Repo: felhom-agent/.
  • In-guest controller — one per customer LXC; Docker-only; manages the customer's apps. Repo: felhom-controller/.

This directory is the central, code-verified documentation home for all three components plus the platform and the security-audit record.

Sections

Controller (in-guest) — controller/

The Docker-only app-domain controller. Full per-area docs grounded in current source (v0.59.0). → controller/README.md: module map, deploy & stack lifecycle, backup architecture, storage/monitoring/metrics, auth/hub/sync/integrations.

Where we stand — architecture/where-felhom-stands.*

The operator's one-page picture of what is proven, built, partial and missing.

Host agent & platform — architecture/, proxmox-platform.md

The operator-tier agent and the Proxmox platform.

Hub (operator backend) — architecture/05

Security audits & remediation — audits/

Spike & test findings — tests/

Per-slice spike/validation findings (phases 0–5, slices 7–10). See tests/.

Conventions

  • Code-verified, not memory-derived. Architectural claims here are checked against the actual current source; if a claim can't be verified it is omitted and flagged, not guessed.
  • Per-repo operational working files (CLAUDE.md, CONTEXT.md, CHANGELOG.md, BUGHUNT.md, REPORT.md, TASK.md) live in their own repos — they are operational, not published docs.
  • Authoritative versions at last refresh: controller v0.59.0, agent v0.29.1, hub v0.11.0.