Initial commit: Add interactive Borg vault and QCOW2 mounting scripts
This commit is contained in:
root
138
mount_backup.sh
Executable file
138
mount_backup.sh
Executable file
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#!/bin/bash
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# Script to mount Borg backup vault and qcow2 disk image
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# Created: 2025-10-07
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set -e # Exit on error
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BORG_REPO="/data_storage/Backup/borg/srvfs01"
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BORG_MOUNT="/mnt/restore"
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QCOW2_MOUNT="/mnt/qcow2"
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QCOW2_FILE="vm-105-disk-3.qcow2"
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# Function to format date from backup folder name
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format_date() {
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local folder=$1
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# Extract date from folder name (e.g., vm105-20250904-145444 or vm105-20251006-020001)
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if [[ $folder =~ vm[0-9]+-([0-9]{4})([0-9]{2})([0-9]{2})-([0-9]{6}) ]]; then
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local year=${BASH_REMATCH[1]}
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local month=${BASH_REMATCH[2]}
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local day=${BASH_REMATCH[3]}
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local time=${BASH_REMATCH[4]}
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local hour=${time:0:2}
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local minute=${time:2:2}
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# Convert month number to German month name
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case $month in
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01) month_name="Januar" ;;
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02) month_name="Februar" ;;
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03) month_name="März" ;;
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04) month_name="April" ;;
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05) month_name="Mai" ;;
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06) month_name="Juni" ;;
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07) month_name="Juli" ;;
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08) month_name="August" ;;
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09) month_name="September" ;;
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10) month_name="Oktober" ;;
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11) month_name="November" ;;
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12) month_name="Dezember" ;;
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esac
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echo "$day. $month_name $year - $hour:$minute Uhr"
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else
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echo "$folder"
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fi
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}
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echo "=== Mounting Borg Backup Vault ==="
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# Mount the Borg vault
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borg mount "$BORG_REPO" "$BORG_MOUNT"
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echo "✓ Borg vault mounted to $BORG_MOUNT"
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echo ""
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# Scan for backup folders
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echo "=== Scanning for available backups ==="
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mapfile -t backups < <(ls -1 "$BORG_MOUNT" | sort -r)
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if [ ${#backups[@]} -eq 0 ]; then
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echo "Error: No backups found in $BORG_MOUNT"
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borg umount "$BORG_MOUNT"
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exit 1
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fi
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echo "Available backups:"
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echo ""
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for i in "${!backups[@]}"; do
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backup_date=$(format_date "${backups[$i]}")
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printf "%2d) %s\n" $((i+1)) "$backup_date"
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done
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echo ""
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read -p "Select backup number (1-${#backups[@]}) or [Enter] for latest: " selection
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# Default to latest (first in sorted list)
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if [ -z "$selection" ]; then
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selection=1
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fi
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# Validate selection
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if ! [[ "$selection" =~ ^[0-9]+$ ]] || [ "$selection" -lt 1 ] || [ "$selection" -gt ${#backups[@]} ]; then
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echo "Error: Invalid selection"
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borg umount "$BORG_MOUNT"
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exit 1
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fi
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selected_backup="${backups[$((selection-1))]}"
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selected_date=$(format_date "$selected_backup")
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echo ""
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echo "✓ Selected backup: $selected_date"
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echo ""
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# Find the qcow2 file in the selected backup
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echo "=== Searching for QCOW2 file ==="
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qcow2_path=$(find "$BORG_MOUNT/$selected_backup" -name "$QCOW2_FILE" 2>/dev/null | head -n 1)
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if [ -z "$qcow2_path" ]; then
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echo "Error: Could not find $QCOW2_FILE in backup"
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borg umount "$BORG_MOUNT"
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exit 1
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fi
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echo "✓ Found: $qcow2_path"
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echo ""
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echo "=== Mounting QCOW2 Disk Image ==="
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# Load NBD kernel module
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modprobe nbd max_part=8
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echo "✓ NBD module loaded"
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# Connect qcow2 image to NBD device in read-only mode
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qemu-nbd --connect=/dev/nbd0 --read-only "$qcow2_path"
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echo "✓ QCOW2 connected to /dev/nbd0"
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# Wait a moment for device to be ready
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sleep 2
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# Scan for LVM volumes
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pvscan > /dev/null 2>&1
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vgscan > /dev/null 2>&1
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echo "✓ LVM volumes scanned"
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# Create mount point if it doesn't exist
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mkdir -p "$QCOW2_MOUNT"
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# Mount the logical volume in read-only mode without journal recovery
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mount -t ext4 -o ro,noload /dev/vgdata/lvshare "$QCOW2_MOUNT"
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echo "✓ Filesystem mounted to $QCOW2_MOUNT"
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echo ""
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echo "=== Mount Summary ==="
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echo "Borg vault: $BORG_MOUNT"
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echo "Selected: $selected_date"
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echo "QCOW2 disk: $QCOW2_MOUNT"
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echo ""
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df -h "$BORG_MOUNT" "$QCOW2_MOUNT"
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echo ""
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echo "Done! To unmount, run: /data_storage/Backup/borg/umount_backup.sh"
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44
umount_backup.sh
Executable file
44
umount_backup.sh
Executable file
@@ -0,0 +1,44 @@
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#!/bin/bash
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# Script to unmount QCOW2 disk image and Borg backup vault
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# Created: 2025-10-07
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BORG_MOUNT="/mnt/restore"
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QCOW2_MOUNT="/mnt/qcow2"
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echo "=== Unmounting Backup System ==="
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# Unmount QCOW2 filesystem
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if mountpoint -q "$QCOW2_MOUNT"; then
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echo "Unmounting $QCOW2_MOUNT..."
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umount "$QCOW2_MOUNT"
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echo "✓ QCOW2 filesystem unmounted"
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else
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echo "ℹ $QCOW2_MOUNT is not mounted"
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fi
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# Deactivate LVM volume group
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if vgs vgdata &>/dev/null; then
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echo "Deactivating LVM volume group..."
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vgchange -an vgdata 2>/dev/null || true
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echo "✓ LVM volume group deactivated"
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fi
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# Disconnect NBD device
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if [ -b /dev/nbd0 ]; then
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echo "Disconnecting NBD device..."
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qemu-nbd --disconnect /dev/nbd0
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echo "✓ NBD device disconnected"
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fi
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# Unmount Borg vault
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if mountpoint -q "$BORG_MOUNT"; then
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echo "Unmounting Borg vault..."
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borg umount "$BORG_MOUNT"
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echo "✓ Borg vault unmounted"
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else
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echo "ℹ Borg vault is not mounted"
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fi
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echo ""
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echo "Done! All backups unmounted."
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