wiggleverse/session-history
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
12e59ad88a5e7d1ca105c2329b435c687c425a7e
session-history/engineering/0023/SESSION-0023.0-TRANSCRIPT-2026-06-12T01-19--INPROGRESS.md
T

5.2 KiB
Raw Blame History

Session 0023.0 — Transcript

App: engineering Start: 2026-06-12T01-19 (PST) Type: planning-and-executing Posture: yolo Claude-Session: 41a32da1-5f00-4cb9-81a1-edd730cfd9e2 Status: PLACEHOLDER — claimed at session start; finalized at session end.

This file reserves session ID 0023 for engineering. The driver replaces this body with the full transcript and renames the file to its final SESSION-0023.0-TRANSCRIPT-2026-06-12T01-19--.md form at session end.

Launch prompt

Resume stored goal (/goal next): gitea-forge-backups SLICE-5 — off-VM freshness/failure alert (Cloud Scheduler → Cloud Run/Function reading bucket object/marker age; T-3 green; finalize RB-3/RB-4), AND fix the broken marker-refresh path in gitea-backup.sh (markers/last-success.json ~24h stale while dumps land), per specs/gitea-forge-backups.md §7.2 (engineering#30)

Plan

Anchor: design specs/gitea-forge-backups.md (graduated Solution Design, engineering#30) — ELIGIBLE (R2a). Goal (/goal next): gitea-forge-backups SLICE-5 freshness alert + fix the broken marker-refresh path.

Diagnosis (marker bug): markers/last-success.json froze at the FIRST live run (2026-06-11T04:46Z) while 4-hourly dumps keep landing. Root cause: the VM SA holds only roles/storage.objectCreator (storage.objects.create), which cannot overwrite an existing live object. Dumps use unique names → fresh create → OK. The marker uses a FIXED name → every run after the first is an overwrite → 403 → marker never refreshes; the job exits non-zero after the dump uploaded. Fix must NOT grant objects.delete (would let a compromised VM destroy backups — breaks §6.6/R-4 least-privilege). Correct fix = unique-named per-run markers (always a create), freshness keyed off newest-object age.

Increment 1 — Marker-refresh fix (PR A):

  1. infra/gitea-backup/gitea-backup.sh: write the marker under a per-run name (markers/last-success-<ts>.json) — always a create; also keep richer fields.
  2. Spec §6.3/§6.4 data-model wording (marker key is per-run; newest-object age is the primary freshness signal) + changelog bump.
  3. DOC-2 (infra/deploy-gitea-on-gcp.md) backups section update.
  4. Re-install on the live forge VM; run the service manually; verify a fresh marker lands and a 2nd run refreshes (the create-not-overwrite proof).

Increment 1 — DONE & SHIPPED. Marker fix verified live (job exits 0, fresh per-run marker lands). PR #59 merged → main 36acc77. Live VM script == repo.

Increment 2 — SLICE-5 freshness checker (PR B) — design (session 0023 calls):

  • Runtime: Cloud Function gen2 (Python), HTTP-triggered, Cloud Scheduler every 30 min. Project wiggleverse, config gitea. By-hand bootstrap infra (D-6 — NOT flotilla).
  • Signal: off-VM checker lists the bucket → age of newest gitea-dump-*.zip AND newest markers/last-success-*.json; STALE if either > 6h (interval 4h × 1.5, ALR-1). Marker age catches post-dump failures snapshot age misses.
  • Alert delivery = log-based (no new secret, fast to verify): function emits a structured severity=ERROR GITEA_BACKUP_STALE log when stale → log-based alert policy → email notification channel (ben@wiggleverse.org). Off-VM path fires even if the VM is gone (INV-4). Dedicated read-only SA (storage.objectViewer) — distinct from the VM's create-only SA.
  • ALR-2 (job failure, Medium): on-VM systemd OnFailure= drop-in writes a markers/last-failure-<ts>.json (a create — works under objectCreator); checker alerts if a failure marker is newer than the newest success marker → prompt single-failure detection within least-privilege.
  • T-3: invoke checker against the scratch bucket — stale seed → ERROR log + STALE verdict; fresh seed → no ERROR log + FRESH verdict (verifiable in seconds via Cloud Logging). Then enable against the live bucket.
  • Finalize RB-3/RB-4 in infra/backup-restore-gitea.md; DOC-2 update; spec SLICE-5 done + changelog.

Deferred decisions

Autonomous-mode low-confidence calls the driver made and would have liked operator input on. Appended as the session runs; surfaced at finalize. Empty if none.

  • Marker fix shape (medium-high confidence): chose unique-named per-run markers over (a) granting objects.delete — rejected, breaks the §6.6/R-4 "VM can create but not delete" security invariant — or (b) dropping the marker entirely and keying only off newest-dump age. Per-run markers keep the spec's TEL-1 marker artifact refreshing within least-privilege. Small spec data-model wording update follows; flagging in case the operator prefers a fixed canonical pointer.
  • SLICE-5 checker implementation (medium confidence): chose Cloud Function gen2
    • Cloud Scheduler + log-based alert (vs custom-metric alert, vs a Cloud Run job). Log-based is lowest-IAM and fastest to verify end-to-end; spec D-4 only pins "Cloud Scheduler → Cloud Run/Function," leaving the rest open. Flag if the operator prefers a metric/dashboard view of backup age over a log-based alert.
  • ALR-2 via on-VM OnFailure failure-marker: adds a small systemd drop-in on the forge VM. Reversible/additive. Flag if the operator prefers ALR-2 left as covered-by-staleness only (no VM-side change).
Reference in New Issue View Git Blame Copy Permalink