Files
felhom.eu/documentation/audits
admin 5bdd8372f8 SPIKE 2: before-network gives a zero window by construction; locked root closes sulogin
Findings only — no script, profile or build file changed; no ISO built, nothing published.
documentation/audits/SPIKE-universal-iso-2-2026-07-31.md

BOTH Tier 0 boxes went offline mid-session (remote site, 12:28 CEST; four routes tried, our
tailscale pod healthy). Q1/Q2/Q3 each keep a part needing a nested VM: those are BLOCKED, not
answered. DooPlex was NOT used as a fallback — Tier 2, and this task did not authorise it.

Established without them:

- STRUCTURAL: ordering='before-network' maps to proxmox-first-boot-network-pre.service
  (Before=network-pre.target, Type=oneshot) — it completes before ANY interface is configured,
  so a rotation there has a zero-length window BY CONSTRUCTION, not by being fast.
- R-148: the stub does not need 'fully-up'. stub-first-boot.sh has no pvesh/pct/pveum/qm call
  (grep rc=1); that usage is in felhom-bootstrap.sh under its own After=network-online unit.
  answer.toml.tmpl:27 justifies the current ordering with a dependency that does not exist.
- R-149: the ordering enum has THREE values (before-network, network-online, fully-up), not two.
- MECHANISM (container, not PVE): locked root closes sulogin — 'the root account is locked' for
  both '*' and '!', with a working control. So 'discard' and 'lock' are the SAME outcome for
  recovery, making the escrow decision binary.
- R-150: all four proxmox-first-boot-* units are Condition-guarded; a failed condition is a SKIP,
  so a hook that never ran looks identical to one that succeeded.
- R-151: demo-felhom was installed from an UNCOMMITTED profile — a Tier 0 reference box is not
  reproducible from main.
- Q4: four gates in iso-repack.sh enforce the single-entry menu; default/timeout already settable.

The first mechanism probe was invalid (uid 0 bypassed pam_unix; sulogin had no tty) and a teardown
error (shredding the control plaintext) are both recorded as failures, not massaged.

demo-hp teardown is INCOMPLETE and named as such; the command is recorded, not claimed done.
2026-07-31 12:44:33 +02:00
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