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admin b527430ec7 v0.6.0-rc1: slice 6 Phase A — backup + the self-restore-test (local target)
The guest-level backup layer + the journaled self-restore-test (restore→boot→verify→
teardown) that closes "a backup you haven't restored isn't a backup". All benign
(reuses the slice-4 classifier/gate/journal; no new destructive class/crypto). Local
target only; PBS = Phase B. Restore to a NEW guest only. Backups crash-consistent.

- proxmox: DestroyLXC, VzdumpOptions.Notes (notes-template), LatestBackupVolID.
- reconcile: Engine.RunRestoreTest (journal Scratch entry BEFORE mutation; net link-down
  pre-boot; defer teardown always; benign gated destroy) + Recover extended to reap a
  leaked scratch guest (Scratch flag, special-cased before the UPID path; idempotent).
- internal/backup: runner (vzdump + archive resolve + bulk-gap = backup!=1) + cadence
  scheduler (4th daemon goroutine, default 24h) + in-memory report store.
- hub: Backup/RestoreTest filled; collector seams; cross-repo golden byte-identical +
  bidirectional key-set tests; hub handler logs a FAILED restore-test prominently.
- config BackupConfig (band 990000-990009 default); --selftest=backup / restore-test.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-09 13:49:39 +02:00

24 lines
1.3 KiB
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// Package backup is the guest-level backup + self-restore-test layer (doc 03 §8, slice 6
// Phase A). It orchestrates a crash-consistent vzdump to a LOCAL target, resolves the
// produced archive, and drives the self-restore-test (restore → boot → verify → teardown)
// through the reconcile engine so it inherits the journal / per-guest serialization /
// crash-safe recovery.
//
// Everything here is BENIGN (backup, restore-to-NEW, scratch teardown): it reuses the
// slice-4 classifier/gate/journal via reconcile — no new destructive class, no new crypto.
// Restore is to a NEW guest only (no overwrite this slice). PBS / offsite / zero-knowledge
// is Phase B.
//
// Layout:
// - runner.go — BackupRunner: vzdump + archive-volid/size resolve + the bulk-volume gap;
// restore-candidate picker.
// - store.go — in-memory latest-backup-per-target + latest-restore-test, implementing
// the hub BackupReporter / RestoreTestReporter seams (point-in-time state
// the collector reads; re-populated each cadence/selftest run).
// - schedule.go — the restore-test cadence goroutine (default 24h; disabled when 0).
//
// hub does NOT import this package (the report types live in hub; this package imports hub
// for them, mirroring the slice-5 storage seam). This package may import reconcile + hub +
// proxmox (acyclic).
package backup