Firebase Database Backup Script

This script downloads the entire Firebase database and uploads it as a GZipped JSON file to Firebase Storage.

Prerequisites

• Python 3.x
• pyrebase library
• httplib2 library
• gz library

Installation

First, ensure you have Python 3 and pip installed on your machine. Then, install the required Python libraries using pip:

pip install -r requirements.txt

Configuration

Update the config dictionary in the script with your Firebase project information:

config = {
    "apiKey": "YOUR-API-KEY",
    "authDomain": "YOUR-FIREBASE-DOMAIN.firebaseapp.com",
    "databaseURL": "https://YOUR-FIREBASE-DOMAIN.firebaseio.com",
    "storageBucket": "YOUR-FIREBASE-DOMAIN.appspot.com",
    "serviceAccount": "YOUR-CLIENTSECRET-FILE.json"
}

Replace the placeholders with your actual Firebase project information.

Usage

Run the script using Python:

python backup.py

This will:

1. Initialize the Firebase application.
2. Download the database as a JSON file.
3. Compress the JSON file into a GZ file.
4. Upload the GZ file to Firebase Storage.

Code Explanation

Function Definitions

• initialize_firebase(config): Initializes the Firebase app and returns database, authentication, and storage objects.
• get_file_names(): Generates file names for the JSON and GZ files based on the current UTC time.
• download_database(auth, config, http_client): Downloads the entire database from Firebase using a JWT token for authentication.
• upload_backup(storage, gzip_name): Uploads the GZipped database backup to Firebase Storage.

Main Script

1. Initialize Firebase:

    db, auth, storage = initialize_firebase(config)

2. Generate file names:

    upload_name, gzip_name = get_file_names()

3. Download the database:

    data = download_database(auth, config, httplib2.Http())

4. Compress the data:

    with gzip.open(gzip_name, 'wb') as f_out:
        f_out.write(data)

5. Upload the backup:

    upload_backup(storage, gzip_name)

Logging

The script uses the logging library to log information about its execution. By default, it logs at the INFO level.

License

This project is licensed under the MIT License.