Records the db_dumps decision with every consumer named, the trap that a stable db_dumps lets CaptureRecoveryUnit's already-current early return fire (so per-capture housekeeping must sit above it), and the NEGATIVE that a held app does not raise the dead-app alarm - measured, not reasoned, so nobody re-derives it.
This commit is contained in:
@@ -1,105 +1,90 @@
|
||||
# REPORT — R-356: the off-site restore refused every app that has no data drive
|
||||
# REPORT — R-361: taking the undo copy destroyed the app's own database backup
|
||||
|
||||
**Controller v0.219.0**, shipped and proven live on `demo-hp` 2026-08-22.
|
||||
**Controller v0.221.0 → v0.221.1**, proven live on `demo-hp`.
|
||||
Full record: `felhom.eu/documentation/audits/DRILL-r361-2026-08-22/`.
|
||||
|
||||
## Baselines used (re-verified at session start)
|
||||
## Baselines and subjects
|
||||
|
||||
| repo | `main` @ | version | → |
|
||||
|---|---|---|---|
|
||||
| felhom-controller | `2da259af38cc` | v0.218.0 | **v0.219.0** |
|
||||
| felhom-agent | `40d857b52711` | v0.130.0 | unchanged |
|
||||
| felhom.eu (hub) | `f2edf7e54595` | v0.106.0 | unchanged |
|
||||
| app-catalog | `459766cb1639` | — | unchanged |
|
||||
|
||||
**MinAgent stays 0.129.0.** All four hashes matched the prompt.
|
||||
|
||||
**The catalogue count, measured in this session and not taken from the prompt:** 53 templates,
|
||||
**13 declare `needs_hdd: true`**, **40 declare `false`**, and exactly 13 carry a `backup:` block.
|
||||
Agrees with §1.
|
||||
|
||||
## The defect
|
||||
|
||||
`ReconstituteFromOffsite` and `PlaceOffsiteRestore` both resolved the restore destination with the
|
||||
**raw** `stackProvider.GetStackHDDPath(stack)` and refused when it was empty, with a message saying
|
||||
the app is not installed. For the 40 driveless apps that value is never set, so both refused
|
||||
permanently for a running, healthy app — and the remedy they offered ("reinstall it in the same
|
||||
place") cannot be carried out, because those apps offer no place to pick.
|
||||
|
||||
The capture side never had this: `CaptureRecoveryUnit` resolves via `GetAppDrivePath`, which falls
|
||||
back to `systemDataPath`. That is why the 2026-08-21 refusal could print `/mnt/sys_drive` — a
|
||||
destination the backup had recorded and the restore refused to use.
|
||||
|
||||
## The change
|
||||
|
||||
- `internal/backup/backup.go` — new `Manager.isStackDeployed`, built on `knownStackNames()` →
|
||||
`ListDeployedStacks()`. **Nil provider ⇒ false**, documented with its reason: the caller's next act
|
||||
is a write, so "cannot tell" must fail into the recoverable refusal, not into a copy.
|
||||
- `internal/backup/offbox_reconstitute.go` — the refusal now asks *installed?* first (R-351 sentence
|
||||
and the recorded-drive half intact), then resolves the destination with `GetAppDrivePath`, then has
|
||||
a **third, distinct** refusal for installed-but-no-resolvable-data-root. R-253 and R-351 comments
|
||||
kept and extended with what the refusal stopped covering and why.
|
||||
- `internal/backup/offbox_restore.go` — the same four steps in `PlaceOffsiteRestore`. The headroom
|
||||
gate below it then measures the resolved namespace, which is the correct disk in both cases.
|
||||
|
||||
**Not changed, deliberately:** `offboxCaptureSet`'s raw `GetStackHDDPath` (`offbox_capture.go:43`) and
|
||||
`offboxRestoreScratchDir`.
|
||||
|
||||
**`ListDeployedStacks()` semantics were verified, not assumed.** Source: `stackAdapter` skips
|
||||
`!s.Deployed` (`cmd/controller/main.go:2138`). Test: positive and negative controls in
|
||||
`TestR356_IsStackDeployedIsExactAndFailsClosed`. Seam: an AST walk in
|
||||
`cmd/controller/r356_deployed_seam_test.go` pins both the `SetStackProvider` wiring in `main()` and
|
||||
the `!s.Deployed` guard itself.
|
||||
|
||||
## Tests
|
||||
|
||||
New: `internal/backup/r356_hot_only_restore_test.go` (10 tests, Scenarios A–E across both entry
|
||||
points) and `cmd/controller/r356_deployed_seam_test.go` (2 AST tests). **Test count in
|
||||
`internal/backup` 315 → 325, `cmd/controller` 42 → 44.**
|
||||
|
||||
**Every red-proof was SEEN failing.** Mutation → observed failure:
|
||||
|
||||
| # | mutation applied | observed |
|
||||
| repo | HEAD at start | version |
|
||||
|---|---|---|
|
||||
| A | destination back to `stackProvider.GetStackHDDPath` | `ScenarioA` failed: *"a(z) immich telepítve van, de a vezérlő nem tudja megállapítani, hová tartoznak az adatai…"* |
|
||||
| B | `GetAppDrivePath` always returns `systemDataPath` | 3 tests failed, incl. *"placement …/sys/felhom-data/… left the app's own drive"* — this is also the **positive control** for the "13-class unchanged" absence claim |
|
||||
| C | `isStackDeployed` always true | 3 tests failed; the not-installed refusal was replaced by a placement-mismatch prompt |
|
||||
| D | widen `nincs telepítve` to cover the no-data-root case | both ScenarioD tests failed: *"a running app must not be told it is not installed"* |
|
||||
| E | revert `PlaceOffsiteRestore` only (fix one entry point) | `ScenarioE_PlaceDriveless` failed |
|
||||
| felhom-controller | `2024ed99826717bf765803e159c074909b28bf83` | v0.220.2 → **v0.221.1** |
|
||||
| felhom-agent | `40d857b52711dd8c9c88bdd21ffcaad819a33a84` | v0.130.0, unchanged |
|
||||
| felhom.eu | `a8caa0fdde7c678bb88b5b25727044695bbdeaa9` | unchanged |
|
||||
| app-catalog | `459766cb16395fd1d1a66282f5cc6da59ead5924` | unchanged |
|
||||
|
||||
**No red-proof passed.** Green gate: `go build ./... && go vet ./... && go test ./...` — all green.
|
||||
Hub read: golden **0.220.2**, agent **0.130.0**, min_agent **0.129.0**, floor **0.220.2** — as stated.
|
||||
**Subjects FOUND, not rebuilt:** `docmost` and `bookstack`, healthy, with two sessions of data.
|
||||
|
||||
**Fixture correction, stated rather than hidden:** several existing fixtures marked an app "installed"
|
||||
by giving it an HDD path — the exact conflation this change removes. 17 tests failed on that alone
|
||||
after the change; they now state deployment as its own fact (`prov.deployed`). No assertion was
|
||||
weakened, and `TestPlace_UndeployedRefused` was passing for the wrong reason before.
|
||||
**Architecture read:** `07-backup-architecture.md` §6.1–§6.3 including the v0.220.x failure-ladder
|
||||
`[DESIGN]`; and `audits/DRILL-r379-rollback-2026-08-22/README.md`.
|
||||
|
||||
## Live walk on `demo-hp` (controller v0.219.0, healthy)
|
||||
## R-361 — the whole thing is one comparison
|
||||
|
||||
Endpoint-level — `claude-in-chrome` is not available on DooPlex. Full record and every artefact:
|
||||
`felhom.eu/documentation/audits/DRILL-r356-hot-only-restore-2026-08-22/`.
|
||||
| app | canonical dump sha256, before | after a restore |
|
||||
|---|---|---|
|
||||
| `docmost` | `5d35678349bbbdb318ac22656d4f96436b5751ef5b3b1659d48305a526df1aed` | **identical** |
|
||||
| `bookstack` | `7837aa5de2955dcf3125534f015f43df42debe13c765793d3b75173abcc55e7b` | **identical** |
|
||||
|
||||
**Driveless (`privatebin`):** planted through the app's own JSON API + a direct file plant with a
|
||||
Hungarian accented name; findability proved by plant→find→remove→fail-to-find; off-sited; **11 files
|
||||
deleted outright**; scratch prepared (snapshot `306accff`, **unit-only** — the shape never driven to
|
||||
completion before); `POST /backup/offbox/reconstitute` — **no refusal**; **15/15 files back byte for
|
||||
byte**. Message (160 bytes): *„A(z) privatebin: 0 fájl és 1 adatkötet visszaállítva (mentés:
|
||||
2026-08-22 13:14) — az alkalmazás újraindult. Ennek az alkalmazásnak nincs adatbázisa."* It **names
|
||||
the volume**, so it is not the R-354 shape.
|
||||
**Before the fix, on the same box: neither app had a canonical dump at all.**
|
||||
|
||||
**Drive app (`calibre-web`):** same walk, **3/3 byte-identical**, placed on `/mnt/felhom-drives/hdd_1`;
|
||||
`/mnt/sys_drive/felhom-data/userdata/media` does not exist, so nothing was misplaced onto the SSD.
|
||||
`DumpOneTo` takes an explicit final path and derives its `.tmp` from it. `DumpOne`'s signature did not
|
||||
move. The comment that asserted the old behaviour was safe now states the invariant and how it is
|
||||
enforced.
|
||||
|
||||
**Every downstream leg held on first run.** No finding raised against them.
|
||||
## Manifest — every consumer named, as required
|
||||
|
||||
## Also in this session
|
||||
`Manifest.DBDumps` has **three** references, all in `internal/backup/recovery_unit.go`: the
|
||||
declaration (`:55`), the enumeration, and the already-current compare. **None reads it for recovery;
|
||||
no hub or agent consumer exists.** Undo copies are therefore excluded from `db_dumps`. Verified live:
|
||||
`db_dumps: ['docmost-postgres.sql']` with **4 undo copies on disk** as the positive control.
|
||||
|
||||
CI run **387** (job 386) failed on `instructions_gate` — **a real gate bug, not mine**: `ef6ac6f` in
|
||||
`felhom.eu` compressed closed rows into `CLOSED-ITEMS.md`, which the gate does not read, so every
|
||||
citation of a compressed item became "a reference to nothing". Fixed in
|
||||
`felhom.eu/scripts/instructions_gate.py` (commit `e18668f`); both controls still convict.
|
||||
## Part 3 — the measurement that cancelled Part 2
|
||||
|
||||
**The reading did not reproduce.** A held app aggregates to `unhealthy`; `IsDownState` is
|
||||
`{stopped, exited, degraded}`; the dead-app heartbeat read `0 currently down` across scans 600 and
|
||||
620 while a hold was in force. **Part 2 dropped in full**, no register row opened, negative recorded
|
||||
in the capability map.
|
||||
|
||||
**The positive control took three attempts and that is the finding.** Two live attempts failed —
|
||||
`privatebin` went `stopped` (whitelisted by design) and `bookstack` went `degraded` then `unhealthy`.
|
||||
The control that works is at the detector's own layer: `classifyRunStates` is pure and raises the
|
||||
banner for `degraded`/`exited` while staying silent for the states measured live.
|
||||
|
||||
## Findings filed
|
||||
|
||||
- **R-383 (MEDIUM)** — the double-failure message says the previous state's backup **exists** while
|
||||
naming the very file whose absence caused the failure. Observed twice, on v0.220.2 and v0.221.1.
|
||||
**R-361's own class**, one surface over.
|
||||
- **R-384 (MEDIUM)** — an app whose **database** has died reads `unhealthy` and raises no dead-app
|
||||
alarm. `bookstack-db` stopped at 21:27:01; `0 currently down` throughout.
|
||||
|
||||
**Register: `OPEN-ITEMS.md` 325 236 → 327 266 bytes; `CLOSED-ITEMS.md` 66 777 → 68 464.** R-361
|
||||
compressed; full text `git show a8caa0fdde7c:documentation/backlog/OPEN-ITEMS.md`.
|
||||
|
||||
## Two defects in this session's own work
|
||||
|
||||
1. **Two red-proofs passed first time**, both reported. The behavioural tests inject the dump seam, so
|
||||
a mutation *inside* `DumpOneTo` was invisible; and Part 1.3 had no test at all. Guards added at the
|
||||
layer each defect lives in; both mutations then convicted.
|
||||
2. **One change made another unreachable.** A stable `db_dumps` let the already-current early return
|
||||
fire, and the undo prune sat after it — **four copies against a cap of three, counted on the box**.
|
||||
Fixed in v0.221.1; the cap now holds at 3 on both apps, verified live.
|
||||
|
||||
**Test count 1485 → 1493.** Green gate clean; controller gates all OK; **no push used `--no-verify`.**
|
||||
|
||||
## Part 4 — the double-failure path on what ships
|
||||
|
||||
Trigger: **the undo copy is lost between being written and being needed** — realistic, and one of only
|
||||
two ways a rollback can fail. Verified on 0.221.1: held, refused by the customer button, refused after
|
||||
a full controller restart, then listed/cleared/started via the operator route. Message captured
|
||||
verbatim (369 bytes, hex in the drill record) with **no engine output**.
|
||||
|
||||
## Teardown
|
||||
|
||||
Nothing provisioned; 20 containers healthy; `docmost` still holds its 4 pages and 1 user; both
|
||||
canonical dumps present; **no app left held**; no hub-side record created.
|
||||
|
||||
## Operator follow-up
|
||||
|
||||
1. Bake and **vouch** a golden carrying controller 0.219.0. The `golden-currency` gate is red until
|
||||
then, correctly: a machine installed now still receives 0.218.0.
|
||||
2. **Then** raise the update floor to 0.219.0 — last, in a separate save.
|
||||
Vouch a golden carrying **0.221.1** (baked in this session), then raise the floor to 0.221.1 last, in
|
||||
its own save.
|
||||
|
||||
Reference in New Issue
Block a user