mirror of
https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2024-11-10 06:51:04 +01:00
63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
#!/usr/bin/env python3
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import sys
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import subprocess
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import shutil
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import os
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import glob
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import datetime
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def main():
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source_path = sys.argv[1]
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print(f"source path: {source_path}")
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backup_to_usb_destination_path = sys.argv[2]
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print(f"backup to usb destination path: {backup_to_usb_destination_path}")
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if not os.path.isdir(backup_to_usb_destination_path):
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print(f"Directory {backup_to_usb_destination_path} does not exist")
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sys.exit(1)
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machine_id = subprocess.run(["sha256sum", "/etc/machine-id"], capture_output=True, text=True).stdout.strip()[:64]
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print(f"machine id: {machine_id}")
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versions_path = os.path.join(backup_to_usb_destination_path, f"{machine_id}/backup-to-usb/")
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print(f"versions path: {versions_path}")
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if not os.path.isdir(versions_path):
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print(f"Creating {versions_path}...")
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os.makedirs(versions_path, exist_ok=True)
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previous_version_path = max(glob.glob(f"{versions_path}*"), key=os.path.getmtime, default=None)
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print(f"previous versions path: {previous_version_path}")
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current_version_path = os.path.join(versions_path, datetime.datetime.now().strftime("%Y%m%d%H%M%S"))
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print(f"current versions path: {current_version_path}")
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print("Creating backup destination folder...")
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os.makedirs(current_version_path, exist_ok=True)
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print("Starting synchronization...")
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try:
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rsync_command = [
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"rsync", "-abP", "--delete", "--delete-excluded"
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]
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if previous_version_path is not None:
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rsync_command.append("--link-dest=" + previous_version_path)
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rsync_command.extend([source_path, current_version_path])
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rsync_output = subprocess.check_output(rsync_command, stderr=subprocess.STDOUT, text=True)
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print(rsync_output)
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print("Synchronization finished")
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sys.exit(0)
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except subprocess.CalledProcessError as e:
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print(e.output)
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if "rsync warning: some files vanished before they could be transferred" in e.output:
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print("Synchronization finished with rsync warning")
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sys.exit(0)
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else:
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print("Synchronization failed")
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sys.exit(1)
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if __name__ == "__main__":
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main() |