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Data and Database Backup System

Overview

This project automates the backup of both database tables and important data files on a server. It performs periodic backups to ensure that critical data and databases are preserved safely. Additionally, it manages older backups by deleting them to free up storage space.

Project Structure

  • backup_db.py: Contains the function backup_all_db_tables(db_dir) to back up all tables in the database to the specified directory.
  • backup_data.py: Contains the function backup_data_dir(data_dir) to back up important data files from a source directory to a backup location.
  • manage_data.py: Contains the function delete_old_data(dir_path) that deletes old backup files from the specified directory.
  • run.py: The main script (run()) that manages the sequence of operations: deleting old backups, backing up database tables, and backing up the data directory.

Setup

  1. Clone the repository to your server:

    git clone https://github.com/your-repository/data-backup-system.git
cd data-backup-system

  2. Install required dependencies (if any):

    pip install -r requirements.txt

  3. Make sure the necessary backup directories exist:

    • For database backups: /home/user/data_backup/db_backup/
    • For data backups: /home/user/data_backup/data_backup/

    Adjust the paths in run.py if your directories are different.

  4. Ensure you have permission to read from the database and data directories and to write to the backup locations.

Usage

To execute the backup, simply run the script:

python run.py

The script will:

  1. Delete old backups in the specified directories.
  2. Back up all database tables to /home/user/data_backup/db_backup/.
  3. Back up the data directory to /home/user/data_backup/data_backup/.

You can automate this process by scheduling it with tools like cron.

Example Crontab Entry

crontab -e
  • Run at 4:00 AM
0 4 * * * /bin/bash -c "source /home/user/anaconda3/bin/activate base && python /home/user/data_backup/run.py"