86 lines
3.0 KiB
Bash
Executable File
86 lines
3.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Restore Athena's non-reproducible Docker state from the latest /data backup.
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set -Eeuo pipefail
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umask 077
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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CHECK_ONLY=false
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if [[ ${1:-} == --check ]]; then
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CHECK_ONLY=true
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shift
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fi
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ARCHIVE=${1:-/data/docker-backups/athena-latest.tar.gz}
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die() { printf 'FEHLER: %s\n' "$*" >&2; exit 1; }
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[[ -s $ARCHIVE ]] || die "Backup fehlt: $ARCHIVE"
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validate_archive() {
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local listing normalized entry required
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gzip -t "$ARCHIVE" || die "Backup ist beschädigt: $ARCHIVE"
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listing=$(tar -tzf "$ARCHIVE") || die "Backup-Inhalt kann nicht gelesen werden."
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# docker-volume-backup stores the mounted sources below /backup. GNU tar
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# removes the leading slash while extracting; accept exactly that tree and
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# reject every unrelated or traversing member before extracting as root.
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while IFS= read -r entry; do
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normalized=${entry#./}
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normalized=${normalized#/}
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[[ $normalized == backup || $normalized == backup/* ]] || \
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die "Unerwarteter Pfad im Backup: $entry"
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[[ /$normalized/ != */../* ]] || die "Unsicherer Pfad im Backup: $entry"
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done <<<"$listing"
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for required in backup/etc-mike-ai backup/volumes; do
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grep -Eq "^/?${required}(/|$)" <<<"$listing" || \
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die "Backup enthält $required nicht."
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done
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}
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validate_archive
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if [[ $CHECK_ONLY == true ]]; then
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printf 'ATHENA_BACKUP_CHECK_OK %s\n' "$ARCHIVE"
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exit 0
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fi
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[[ $EUID -eq 0 ]] || die "Bitte als root ausführen."
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command -v docker >/dev/null || die "Docker fehlt. Zuerst ./install.sh ausführen."
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work=$(mktemp -d /tmp/athena-restore.XXXXXX)
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trap 'rm -rf "$work"' EXIT
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# GNU tar removes the leading slash and extracts the single validated tree as
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# $work/backup. Keeping that root explicit avoids platform-dependent
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# --strip-components behaviour between GNU tar and bsdtar.
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tar -xzf "$ARCHIVE" -C "$work"
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backup_root=$work/backup
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[[ -d $backup_root/etc-mike-ai ]] || die "Backup enthält etc-mike-ai nicht."
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[[ -d $backup_root/volumes ]] || die "Backup enthält keine Docker-Volumes."
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# Stop only users of the restored volumes. WireGuard, SSH and networking stay up.
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for container in mike-ai-router mike-ai-profile-controller mike-ai-piper; do
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if [[ $(docker inspect -f '{{.State.Running}}' "$container" 2>/dev/null || true) == true ]]; then
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docker stop "$container" >/dev/null
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fi
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done
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install -d -m 0700 /etc/mike-ai
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rsync -a --delete "$backup_root/etc-mike-ai/" /etc/mike-ai/
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restore_volume() {
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local volume=$1 source=$2 mountpoint
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[[ -d $source ]] || return 0
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docker volume create "$volume" >/dev/null
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mountpoint=$(docker volume inspect -f '{{.Mountpoint}}' "$volume")
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[[ -n $mountpoint && -d $mountpoint ]] || die "Volume nicht zugreifbar: $volume"
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rsync -a --delete "$source/" "$mountpoint/"
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}
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restore_volume mike-ai_piper-data "$backup_root/volumes/piper-data"
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restore_volume mike-ai_router-state "$backup_root/volumes/router-state"
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restore_volume mike-ai_router-images "$backup_root/volumes/router-images"
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cd "$ROOT_DIR"
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./manage.sh deploy core
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printf 'ATHENA_RESTORE_OK %s\n' "$ARCHIVE"
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