0679fd65b2
Ties the ladder and the verifiers together behind a new verb: libreportal updater upgrade <app> [version] [--dry-run] Per rung, and every part is load-bearing: snapshot (fail-closed) -> set version -> pull -> up -> VERIFY -> next On failure anywhere: restore THIS rung's snapshot, put the version back, stop, and leave the app on the last version it actually verified at. The ladder never continues past a doubt. A snapshot PER RUNG rather than one at the start, because upstream migrations are usually one-way — Nextcloud 32's schema cannot be undone by putting the 31 image back. The recovery guarantee is "restore the snapshot from sixty seconds ago", which only holds if every rung has one. Two gates before anything moves. An app with no <app>_upgrade_verify is refused outright: the generic health check cannot see a half-finished migration, so laddering on it would be a guess wearing a safety label. And a ladder that cannot be computed end to end refuses rather than attempting a partial climb. `updater upgrade` is a separate verb from `apply` on purpose: apply moves you WITHIN a release line (and may be automatic), upgrade moves you BETWEEN lines and is always a deliberate act. Dry runs execute inline so the plan is instant to read. updaterSetAnchorVersion rewrites the image tag AND its version sentinel together — updating only the image would leave the sentinel advertising the old version, and the next config regeneration would silently revert the app. Tested with stubs against the real code paths: the no-verifier gate holds and changes nothing; a dry run has zero side effects; the happy path snapshots at each current version before moving; a verify failure on rung 2 of 3 stops with the app on rung 1, restored, and never touches rung 3; a failed snapshot moves no version and pulls nothing; a container that will not start is rolled back. NOT yet exercised on a live install — no app here needs a ladder. The first real run should be a dry run. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
35 lines
2.1 KiB
Bash
35 lines
2.1 KiB
Bash
#!/bin/bash
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# App Updater Commands Header
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# Shows available `libreportal updater` subcommands.
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cliShowUpdaterHelp()
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{
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echo ""
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echo "Available App Updater Commands:"
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echo ""
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echo " libreportal updater check [auto] - Refresh per-app version & vulnerability data"
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echo " (auto = background mode: only scans when the data is"
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echo " older than CFG_UPDATER_SCAN_INTERVAL minutes)"
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echo " libreportal updater apply <app> - Update one app (snapshots it first; auto-rollback on failure)"
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echo " libreportal updater apply-all [a,b] - Update a comma-list of apps (each snapshotted first)"
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echo " libreportal updater upgrade <app> - Move an app BETWEEN release lines, one version at a"
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echo " time (31→32→33→34). Snapshots and verifies every step,"
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echo " and stops at the first doubt. Add --dry-run to just see"
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echo " the plan, or a version to stop short of the newest."
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echo " libreportal updater rollback <app> - Restore an app's most recent pre-update snapshot"
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echo ""
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echo "Every update takes a recovery snapshot via the Backup engine before"
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echo "touching the app, so any update is reversible. These commands back the"
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echo "WebUI Updates page (features/updater); actions run through the task system."
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echo ""
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echo "Automatic updates: each check enqueues the update for every app set to"
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echo "CFG_<APP>_UPDATE_TYPE=auto (the default) — the same snapshot-first apply"
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echo "as pressing Update, recorded in History as automatic. They install only"
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echo "inside CFG_UPDATER_WINDOW (default 06:00-08:00 host time, right after"
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echo "the nightly backups); checks still run all day. Set an app to 'manual'"
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echo "on its Configure page to hold it back, or CFG_UPDATER_AUTO=false to"
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echo "hold back every app. A build that fails is never auto-retried."
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echo ""
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}
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