94c9e83c42
Reads files the backup user can't see from the host (container-owned, e.g. Nextcloud's www-data data dir) by streaming them out THROUGH the container (docker exec tar) — no host root, no host read perms, works rooted + rootless. Extracts to staging as plain files so restic keeps full dedup + per-file restore (not a piped tar blob); the live path is excluded from the snapshot. Restore streams the staging copy back through a throwaway in-namespace container that recreates the tree with the app's uid:gid. Declared via a libreportal.backup.files compose label; Nextcloud (html, 33:33) is the first to use it. Live capture failure falls back to stop-snapshot-start. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> Signed-off-by: librelad <librelad@digitalangels.vip>
142 lines
4.0 KiB
Bash
142 lines
4.0 KiB
Bash
#!/bin/bash
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restoreAppStart()
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{
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local app_name="$1"
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local snapshot_arg="$2"
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local location_idx="$3"
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local host_filter="$4"
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local stored_app_name="$app_name"
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if [[ -z "$app_name" ]]; then
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isError "restoreAppStart called with empty app_name"
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return 1
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fi
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if [[ -z "$(resticEnabledLocations)" ]]; then
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isError "No backup locations enabled — cannot restore"
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return 1
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fi
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isHeader "Restoring $stored_app_name"
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local restore_started_at
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restore_started_at=$(date -Iseconds)
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isNotice "Task started: restore $stored_app_name at $restore_started_at"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Picking backup"
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echo ""
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local pick
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pick=$(restorePickSnapshot "$stored_app_name" "$location_idx" "$snapshot_arg" "$host_filter")
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if [[ -z "$pick" ]]; then
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isError "No backup to restore from"
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return 1
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fi
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local chosen_idx="${pick%%:*}"
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local chosen_id="${pick##*:}"
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isSuccessful "Using backup ${chosen_id:0:8} from $(resticLocationName "$chosen_idx")"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Setting up install folder and config for $stored_app_name"
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echo ""
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dockerConfigSetupToContainer "loud" "$stored_app_name" "install"
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initializeAppVariables "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Shutting down container(s) for restoration"
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echo ""
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dockerComposeDown "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Wiping existing app folder"
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echo ""
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if [[ -d "$containers_dir$stored_app_name" ]]; then
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sudo rm -rf "${containers_dir:?}$stored_app_name"
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fi
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((menu_number++))
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echo ""
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echo "---- $menu_number. Running pre-restore hook (if present)"
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echo ""
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restoreAppRunHook "$stored_app_name" pre
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((menu_number++))
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echo ""
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echo "---- $menu_number. Restoring snapshot ${chosen_id:0:8}"
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echo ""
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local include_path="$containers_dir$stored_app_name"
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engineRestoreSnapshot "$chosen_idx" "$chosen_id" "/" "$include_path"
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if [[ $? -ne 0 ]]; then
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isError "Restore failed — leaving app in stopped state"
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return 1
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fi
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sudo chown -R "$docker_install_user":"$docker_install_user" "$containers_dir$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Rehydrating databases + files (pre-start)"
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echo ""
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restoreDbRehydratePreStart "$stored_app_name"
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restoreFilesRehydratePreStart "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Updating docker compose file(s)"
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echo ""
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dockerComposeUpdateAndStartApp "$stored_app_name" install
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((menu_number++))
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echo ""
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echo "---- $menu_number. Fixing permissions before starting"
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echo ""
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fixPermissionsBeforeStart "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Starting up the $stored_app_name docker service(s)"
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echo ""
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dockerComposeUp "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Running post-restore hook (if present)"
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echo ""
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restoreAppRunHook "$stored_app_name" post
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((menu_number++))
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echo ""
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echo "---- $menu_number. Loading database dumps (post-start)"
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echo ""
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restoreDbReplayPostStart "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Logging restore into database"
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echo ""
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databaseRestoreInsert "$stored_app_name"
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databaseInstallApp "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Running Headscale setup (if required)"
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echo ""
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setupHeadscale "$stored_app_name"
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((menu_number++))
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echo ""
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echo "---- $menu_number. Running app-specific updates (if required)"
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echo ""
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appUpdateSpecifics "$stored_app_name"
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local restore_finished_at
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restore_finished_at=$(date -Iseconds)
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isSuccessful "Task finished: restore $stored_app_name at $restore_finished_at (started $restore_started_at)"
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menu_number=0
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}
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