diff --git a/restore-volumes.sh b/restore-volumes.sh new file mode 100755 index 00000000..e9789f67 --- /dev/null +++ b/restore-volumes.sh @@ -0,0 +1,64 @@ +#!/bin/bash + +# Path to the backup directory +backup_dir="/backup" + +# Path to the volume directory +volume_dir="/var/lib/docker/volumes" + +if [ ! -d "$backup_dir" ]; then + echo "Error: /backup directory does not exist" + exit 1 +fi + +if [ ! -d "$volume_dir" ]; then + echo "Error: /var/lib/docker/volumes directory does not exist" + exit 1 +fi + +calculate_required_space() { + # Extract the size from the filename + size=$(echo "$1" | grep -oE '[0-9]+G') + + # Remove 'G' from the size and convert it to bytes + size_bytes=$(echo "$size" | sed 's/G//') + size_bytes=$(( size_bytes * 1024 * 1024 * 1024 )) # Convert GB to bytes + + # Calculate 10% of the size and add it to the required space + ten_percent=$(( size_bytes / 10 )) + required_space=$(( size_bytes + ten_percent )) + + echo "$required_space" +} + +# Read the JSON input and extract the list of keys +keys=$(cat /root/rpc/$1.yml | yaml2json - | jq '.volumes' | jq -r 'keys[]') + +# Iterate over the list of keys +for key in $keys; do + echo "Executing command with key: /var/lib/docker/volumes/rpc_$key/_data" + volume_name="rpc_$key" + + newest_file=$(ls -1 "$backup_dir"/"$volume_name"* | sort | tail -n 1) + + if [ -z "$newest_file" ]; then + echo "Error: No backup found for volume '$volume_name'" + exit 1 + fi + + required_space=$(calculate_required_space "$(basename "$newest_file")") + + available_space=$(df --output=avail -B1 "$volume_dir" | tail -n 1) + + if [ "$available_space" -lt "$required_space" ]; then + echo "Error: Not enough free space in $volume_dir" + exit 1 + fi + + tar -I zstd -xf "$newest_file" -C / + + echo "Backup '$newest_file' restored" +done + + +