Files
ethereum-rpc-docker/restore-volumes.sh
2025-12-16 13:11:14 +07:00

87 lines
2.1 KiB
Bash
Executable File

#!/bin/bash
dir="$(dirname "$0")"
# Path to the backup directory
backup_dir="/backup"
# Path to the volume directory
volume_dir="/var/lib/docker/volumes"
if [ ! -d "$volume_dir" ]; then
echo "Error: /var/lib/docker/volumes directory does not exist"
exit 1
fi
# Read the JSON input and extract the list of keys
keys=$(cat $dir/$1.yml | yaml2json - | jq '.volumes' | jq -r 'keys[]' | grep -E '^["'\'']?[0-9a-z]')
restore_files=()
cleanup_folders=()
echo "$keys"
while IFS= read -r key; do
volume_name="rpc_$key"
declare newest_file
if [[ -n $2 ]]; then
volume_name="rpc_$key-20" # needs to be followed by a date 2024
newest_file=$($dir/list-backups.sh $2 | grep "${volume_name}" | sort | tail -n 1)
else
newest_file=$(ls -1 "$backup_dir"/"${volume_name}"-[0-9]*G.tar.zst 2>/dev/null | sort | tail -n 1)
fi
directory="$volume_dir/rpc_$key/_data/"
if [ -z "$newest_file" ]; then
echo "Error: No backup found for volume '$volume_name'"
exit 1
else
restore_files+=("$newest_file")
cleanup_folders+=("$directory")
fi
done <<< "$keys"
echo "${cleanup_folders[@]}"
for folder in "${cleanup_folders[@]}"; do
echo "delete '$folder'"
[ -d "$folder" ] && rm -rf "$folder"/*
done
echo "done cleanup"
for file in "${restore_files[@]}"; do
echo "Processing: $file"
if [[ -n $2 ]]; then
if [ ! -d "$backup_dir" ]; then
echo "Error: /backup directory does not exist. download from http and extract directly to /var/lib/docker"
curl --ipv4 -# "${2}${file}" | zstd -d | tar -xvf - --dereference -C /
if [ $? -ne 0 ]; then
echo "Error processing $file"
exit 1
else
echo "$file successfully processed."
fi
else
echo "have backup dir to cache... $file"
if [ ! -e "$backup_dir/$(basename $file)" ]; then
aria2c -c -Z -x8 -j8 -s8 -d "$backup_dir" "${2}${file}"
fi
tar -I zstd -xf "$backup_dir/$(basename $file)" --dereference -C /
echo "Backup '$file' processed"
fi
else
tar -I zstd -xf "$file" --dereference -C /
echo "Backup '$file' restored"
fi
done
"$dir/delete-node-keys.sh" "$1"
echo "node $1 restored."