ciya
116 lines
2.9 KiB
Bash
Executable File
116 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
|
|
source "$(dirname "$0")/../lib/common.sh" 2>/dev/null || source "$(dirname "$0")/common.sh"
|
|
|
|
usage() {
|
|
cat <<EOF
|
|
Usage: pos system backup <folder-path>
|
|
pos system backup --service
|
|
|
|
Create a gpg-encrypted (AES-256) tar.gz snapshot of a folder and verify it.
|
|
The archive password is prompted twice and never stored.
|
|
|
|
Modes:
|
|
<folder-path> Back up that folder directly.
|
|
--service List folders under /srv and ~/srv, pick one, back it up.
|
|
|
|
The final artifact <name>_<date>.tar.gz.gpg is written to the current directory.
|
|
|
|
Environment:
|
|
BACKUP_SERVICE_ROOTS Space-separated roots for --service
|
|
(default: /srv \$HOME/srv)
|
|
EOF
|
|
exit 0
|
|
}
|
|
|
|
command -v tar &>/dev/null || err "tar not found"
|
|
command -v gpg &>/dev/null || err "gpg not found (install gnupg)"
|
|
|
|
SERVICE=0
|
|
case "${1:-}" in
|
|
-h|--help) usage ;;
|
|
--service) SERVICE=1 ;;
|
|
"") err "Missing folder path (or use --service)" ;;
|
|
*) FOLDER="$1" ;;
|
|
esac
|
|
|
|
if [ "$SERVICE" -eq 1 ]; then
|
|
if [ -n "${BACKUP_SERVICE_ROOTS:-}" ]; then
|
|
read -r -a roots <<< "$BACKUP_SERVICE_ROOTS"
|
|
else
|
|
roots=(/srv "$HOME/srv")
|
|
fi
|
|
|
|
idx=0
|
|
for root in "${roots[@]}"; do
|
|
[ -d "$root" ] || { warn "Root not found: $root"; continue; }
|
|
|
|
dirs=()
|
|
while IFS= read -r d; do
|
|
dirs+=("$d")
|
|
done < <(find "$root" -maxdepth 1 -mindepth 1 -type d | sort)
|
|
|
|
[ ${#dirs[@]} -gt 0 ] || { warn "No folders in $root"; continue; }
|
|
|
|
echo
|
|
echo "${root}:"
|
|
for d in "${dirs[@]}"; do
|
|
idx=$((idx + 1))
|
|
names[$idx]="$d"
|
|
printf "%2d) %s\n" "$idx" "$d"
|
|
done
|
|
done
|
|
|
|
[ "$idx" -gt 0 ] || err "No folders found under: ${roots[*]}"
|
|
|
|
read -rp "Select folder number: " choice
|
|
if ! [[ "$choice" =~ ^[0-9]+$ ]] || (( choice < 1 || choice > idx )); then
|
|
err "Invalid selection: $choice"
|
|
fi
|
|
FOLDER="${names[$choice]}"
|
|
fi
|
|
|
|
[ -d "$FOLDER" ] || err "Folder not found: $FOLDER"
|
|
|
|
NAME="$(basename "$FOLDER")"
|
|
DATE="$(date +%Y-%m-%d_%H-%M-%S)"
|
|
ARCHIVE="${NAME}_${DATE}.tar.gz"
|
|
|
|
echo
|
|
log "Creating backup..."
|
|
echo "Source : $FOLDER"
|
|
echo "Output : $ARCHIVE"
|
|
|
|
sudo tar -czvf "$ARCHIVE" -C "$(dirname "$FOLDER")" "$NAME"
|
|
|
|
log "Verifying archive..."
|
|
tar -tzf "$ARCHIVE" > /dev/null
|
|
log "Archive verified"
|
|
|
|
while true; do
|
|
read -s -rp "Enter backup password: " PASS
|
|
echo
|
|
read -s -rp "Confirm backup password: " CONFIRM
|
|
echo
|
|
if [ -n "$PASS" ] && [ "$PASS" = "$CONFIRM" ]; then
|
|
break
|
|
fi
|
|
warn "Passwords are empty or do not match — try again"
|
|
done
|
|
unset CONFIRM
|
|
|
|
log "Encrypting backup..."
|
|
gpg --batch --yes --passphrase "$PASS" --symmetric --cipher-algo AES256 "$ARCHIVE"
|
|
|
|
rm -f "$ARCHIVE"
|
|
ARCHIVE="${ARCHIVE}.gpg"
|
|
chmod 600 "$ARCHIVE"
|
|
|
|
log "Verifying encrypted backup..."
|
|
gpg --batch --quiet --passphrase "$PASS" --decrypt "$ARCHIVE" | tar -tzf - > /dev/null
|
|
|
|
unset PASS
|
|
echo
|
|
log "Backup completed: $ARCHIVE"
|