docker-volume-backup/docker-volume-recover.sh

#!/bin/bash
volume_name="$1"          # Volume-Name
backup_hash="$2"          # Hashed Machine ID
version="$3"              # version to backup
container="$4"            # optional
mysql_root_password="$5"  # optional
database="$6"             # optional
backup_folder="Backups/$backup_hash/docker-volume-backup/$version/$volume_name"
backup_files="/$backup_folder/files"
backup_sql="/$backup_folder/sql/backup.sql"
echo "Inspect volume $volume_name"
docker volume inspect "$volume_name"
exit_status_volume_inspect=$?
if [ $exit_status_volume_inspect -eq 0 ]; then
    echo "Volume $volume_name allready exists"
  else
    echo "Create volume $volume_name"
    docker volume create "$volume_name"
fi

if [ -f "$backup_sql" ]; then
  if [ -n "$container" ] && [ -n "$mysql_root_password" ] && [ -n "$database" ]; then
    echo "recover mysql dump"
    cat $backup_sql | docker exec -i "$container" /usr/bin/mysql -u root --password="$mysql_root_password" $database
    exit 0
  fi
  echo "a database backup exists, but a parameter is missing. Files will be recovered instead."
fi 

if [ -d "$backup_files" ]; then    
  echo "recover files"
  docker run --rm -v "$volume_name:/recover/" -v "$backup_files:/backup/" "kevinveenbirkenbach/alpine-rsync" sh -c "rsync -avv --delete /backup/ /recover/"
fi

echo "ERROR: $backup_files and $backup_sql don't exist"
exit 1