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Author SHA1 Message Date
52192eb05f Backup mirror to BASEL: rsync of the sets after every successful run (#84)
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The operator-level extra beside the admin-configured Nextcloud target
(#103), unblocked now that the ONE→BASEL tunnel is stable again.

- sidecar: optional mirror step (mirror.ts) driven purely by env —
  BACKUP_MIRROR_TARGET (rsync-over-ssh), BACKUP_MIRROR_SSH_KEY (private
  key on the secrets volume, never in image or repo),
  BACKUP_MIRROR_SSH_PORT. Runs after the prune of every successful run,
  so --delete aligns the remote retention with the local one (the
  newest-complete-set guarantee carries over). Only set files travel
  (db-*.dump, files-*.tar.gz); status files and bundles stay local.
  Host key pinned via accept-new into .mirror_known_hosts on the backups
  volume; fixed remote modes (dirs 750, files 640, symbolic --chmod —
  octal needs rsync ≥ 3, macOS dev machines ship 2.6.9). rsync +
  openssh-client added to the sidecar image.
- status: additive `mirror` block in status.json (outcome, transferred
  count, lastSuccessAt carried across failures) — shown on the admin
  backup card; failures alert via a new backupMirrorFailed mail (de+en)
  while the local run still counts as succeeded.
- deploy/backup-basel.md: complete BASEL-side walkthrough — dedicated
  user dorfteich-backup with a /home/ home and a bash login shell,
  explicitly avoiding the Debian backup-user (UID 34) pitfalls
  (nologin shell rejects rsync sessions, /var/backups home), key
  placement through the api container onto the secrets volume, .env
  values, on-demand verification.
- tests: rsync-arg/stats-parsing units plus an integration suite against
  the real rsync binary (local target; skips where rsync is absent) —
  transfer, idempotent re-run (0 files), retention alignment, failure
  path carrying lastSuccessAt.

Verified live against the real BASEL host from a native sidecar run:
initial transfer, host-key pinning, retention alignment after a local
prune, idempotency, and the failure path (surfaced in status.json while
the local run stayed green). BASEL side provisioned per the doc.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwZ4jR4KFAPvpjWevfUGX1
2026-07-12 12:20:32 +02:00
5cef359b8f Nextcloud backup target: admin-configured, manual + scheduled uploads, in-app restore (#103)
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Off-host backups for every self-hoster, configured entirely in the admin
UI — supersedes the host-specific mirror plan behind #84.

shared:
- webdav.ts (new package entry like token-crypto): minimal WebDAV client
  with basic auth — PROPFIND (tolerant multistatus parser), MKCOL, PUT
  (streamed), GET, DELETE; Nextcloud DAV path derived from the plain
  server URL, explicit DAV bases pass through
- backup-status.ts: additive remote-upload status in status.json, the
  restore-status.json contract (running/succeeded/failed + staleness
  bound), the backup_command/backup_maintenance NOTIFY channels, and the
  one-bundle-per-set naming (dorfteich-backup-<id>.tar.gz)
- backup-set.ts moved here from apps/backup (api lists local sets)

backup sidecar:
- reads the backup.* instance settings directly from the database (admin
  changes apply next run; local retention row overrides the env) and the
  app password from the secret store
- after each successful set: bundle dump + files archive + manifest into
  ONE self-contained tar.gz, upload via WebDAV per schedule
  (off/daily/weekly; manual runs always upload), prune remote bundles —
  never the newest — and record the outcome in status.json; upload
  failures alert via a new backupUploadFailed mail (de+en)
- command listener on backup_command (run / restore) with a serial queue
  against the nightly timer
- restore orchestrator: restore-status.json → maintenance NOTIFY →
  grace → (remote: download + manifest-verify bundle) → terminate other
  DB connections → shared perform-restore path (same code as restore.sh)
  → final status + maintenance exit

api:
- MaintenanceGuard (global, registered before the setup gate): 503
  maintenance_mode while restore-status says running; health endpoints
  and the new public GET /backup/restore-status stay exempt; a stale
  running state (crashed sidecar) unblocks after 30 min
- MaintenanceStateService watches the file and restarts the api after a
  successful restore (fresh caches, migrate-on-start for older dumps);
  main.ts refuses to touch the database while a restore runs — a
  container restarting mid-restore must not race pg_restore with
  migrate deploy
- worker sweeps (conversion, mail outbox, scheduler) catch transient
  database failures instead of dying on an unhandled rejection — the
  restore's connection termination crashed the api in verification
- backup admin endpoints under /admin/system/backup: settings (live
  connection test before save, password write-only into the secret
  store), nextcloud/test, sets (local via the ro backups mount + remote
  via WebDAV), run + restore (type-to-confirm backstop, source
  validation) — commands travel as NOTIFY payloads; audit actions
  backup.settings_changed/run_triggered/restore_requested
- readyz: new warning-level backup_remote check while a target is
  configured (26 h daily / 170 h weekly bound)

collab:
- maintenance listener: on enter, persist + close every live session and
  refuse new connections until exit (failsafe timeout 30 min) — no
  in-memory document may write pre-restore content back afterwards

web:
- Admin → System backup section: status card with remote facts and a
  "Back up now" button, the Nextcloud settings form with test button,
  and the restore picker (local + remote sets, type-to-confirm)
- global maintenance screen: any 503 maintenance_mode flips the SPA to a
  status page polling the exempt endpoint, reloading when the instance
  returns

Verified end-to-end against a live stack (fresh DB, native api + sidecar,
fake WebDAV server): configure → test → manual backup → bundle upload →
readyz/sets/status surfaces → remote restore with maintenance gate,
marker rollback and api restart; suites: shared 21, backup 9, collab 11,
api 58 files green, lint + i18n:check + typecheck clean.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwZ4jR4KFAPvpjWevfUGX1
2026-07-12 10:39:18 +02:00
8dbff86537 Add backup sidecar: nightly dump, volume archive, prune, status, restore (#83)
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New apps/backup service (ADR 0015): nightly pg_dump -Fc plus one tar of the
uploads/plugins volumes as a consistent restore set on a new backups volume,
retention prune that never removes the newest complete set, atomic
status.json for the readiness/admin consumers (#85/#86), and a failure mail
sent directly via nodemailer (the api may be the broken part) with de/en
texts in the shared mails catalog. BACKUP_RUN_ONCE=1 gives the on-demand
path; deploy/backup/restore.sh automates the documented restore runbook.
The pure secret-store helpers moved to @dorfteich/shared so the sidecar
resolves the wizard-written SMTP relay exactly like the api.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01EwZ4jR4KFAPvpjWevfUGX1
2026-07-11 17:29:15 +02:00