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v0.81.0: NAS verify-before-commit — retry=0, journal classifier, detached verify job + auto-rollback

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Agent half of the verify-before-commit task (SPIKE-nas-verify-2026-07-11, b57f6c1):
retry=0 in the production NFS options (Q4-vi); ClassifyNetVerifyFailure on the live
Q4 strings (nfs_export merges not-found/not-permitted); add = sync fast-fail (2s TCP
pre-probe, nothing installed) + detached in-memory verify job judging /proc/mounts
only, auto-rollback on failure; GET /netstorage/verify-status (phase none = the
controller's Scenario-F rollback signal); unprivileged journalctl (systemd-journal
group, NO new sudoers grants).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6
This commit is contained in:
authentik Default Admin
2026-07-11 09:44:06 +02:00
parent 300f06722b
commit added9d226
11 changed files with 859 additions and 26 deletions
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REUSE.md
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@@ -48,7 +48,9 @@
| `GuestBinder.EnsureSharedParent` | internal/localapi/intermediary.go | `EnsureSharedParent(ctx) error` | shared-parent bind + boot unit | make-private+make-shared ONLY on first bind — re-running orphans the guest's slave; F2-a: compares script AND unit for staleness |
| `StablePathForRaw` / `DriveNameFromRaw` | internal/localapi/intermediary.go | `StablePathForRaw("/mnt/<n>") string` | raw host mount → stable guest path | Single source of truth both repos derive from |
| `GuestBinder.GuestSeesMount` / `GuestBootID` | internal/localapi/intermediary.go | `GuestSeesMount(ctx, vmid, path) bool` | guest-visible (usable) signal; reboot detection | Host bind present ≠ guest sees it (non-recursive parent bind) |
| `SudoHostOps.EnsureNetworkMount` / `RemoveNetworkMount` / `ListNetworkMounts` | internal/storage/netmount.go | `EnsureNetworkMount(ctx, spec) error` | NAS automount pair | rm glob confined to `mnt-felhom*` units; NAS ≠ drive (no durable-id/SMART/wipe) |
| `SudoHostOps.EnsureNetworkMount` / `RemoveNetworkMount` / `ListNetworkMounts` | internal/storage/netmount.go | `EnsureNetworkMount(ctx, spec) error` | NAS automount pair | rm glob confined to `mnt-felhom*` units; NAS ≠ drive (no durable-id/SMART/wipe); RemoveNetworkMount doubles as the verify-fail rollback (idempotent) |
| `NetworkMountedAt` / `NetworkEndpointReachable` | internal/storage/netmount.go | `NetworkMountedAt(where) bool` | verify mount-truth + the 2 s add pre-probe | /proc/mounts is the ONLY mount-success judge (autofs trigger ≠ mounted; readability ≠ mounted — SPIKE-nas-verify §8) |
| `ClassifyNetVerifyFailure` | internal/storage/netverify.go | `ClassifyNetVerifyFailure(journalTail, tcpReachable) (code, hint)` | NAS verify failure categories | String-based BY DESIGN (every mount failure is rc=32); substrings verbatim from SPIKE-nas-verify Q4; `nfs_export` merges not-found/not-permitted (NFSv4 identical) |
### Durable stores (atomic state)
@@ -98,7 +100,8 @@
| Anti-retarget durable-id binding | internal/localapi/wipe_reresolve.go | resolve id → re-derive + exact match → re-inspect expected state → act on RE-RESOLVED device only |
| Atomic single-file JSON store | internal/storage/intent.go | `Open*` loads (missing=empty, corrupt=fail-loud), mutex, tmp+rename 0600, idempotent set |
| Durable append-only log + index | internal/authz/noncestore.go (`FileNonceStore`) | fsync before returning "new"; replay into index on open; expiry-only compaction |
| Injectable seam funcs on Server | internal/localapi/server.go (`reresolveWipe`, `deviceDurableID`, `boundCheck`) | prod default wired in `NewServer`; tests override — no real /dev in tests |
| Injectable seam funcs on Server | internal/localapi/server.go (`reresolveWipe`, `deviceDurableID`, `boundCheck`, net-verify: `netTrigger`/`netMounted`/`netJournal`/`netReachable`) | prod default wired in `NewServer`; tests override — no real /dev, /proc/mounts, journalctl or TCP in tests |
| Detached IN-MEMORY verify job (single slot, deliberately unpersisted) | internal/localapi/netverifyjob.go | claim slot sync (single-flight 409) → detached pipeline off baseCtx → auto-rollback on fail; restart ⇒ slot empty ⇒ the CALLER rolls back (Scenario F) — contrast formatjob (persisted+recovered) |
| Optional dependency degradation | internal/localapi/server.go (`Options`) | nil dep ⇒ endpoint answers "not configured" (503), never a crash |
| Root-file install via random temp | internal/localapi/intermediary.go (`installSharedParentUnit`) | `stageTemp` (os.CreateTemp) → sudoers-globbed `install -m` → pinned destination |
| Detached destructive job + restart recovery | internal/localapi/formatjob.go | persist `running` → run off baseCtx → record outcome; recovery re-resolves durable id, never a path |