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https://github.com/kevinveenbirkenbach/docker-volume-backup.git
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implemented exception handling for rsync 24
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@ -64,3 +64,4 @@ This project is licensed under the GNU Affero General Public License v3.0. The f
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- https://zwischenzugs.com/2016/08/29/bash-to-python-converter/
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- https://en.wikipedia.org/wiki/Incremental_backup#Incremental
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- https://unix.stackexchange.com/questions/567837/linux-backup-utility-for-incremental-backups
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- https://chat.openai.com/share/6d10f143-3f7c-4feb-8ae9-5644c3433a65
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@ -8,20 +8,29 @@ import pathlib
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import pandas
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from datetime import datetime
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class RsyncCode24Exception(Exception):
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"""Exception for rsync error code 24."""
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"""rsync warning: some files vanished before they could be transferred"""
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pass
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def bash(command):
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print(command)
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process = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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out, err = process.communicate()
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stdout = out.splitlines()
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output = []
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for line in stdout:
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output.append(line.decode("utf-8"))
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if process.wait() > bool(0):
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print(command, out, err)
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raise Exception("Exitcode is greater then 0")
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return output
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stderr = err.decode("utf-8")
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output = [line.decode("utf-8") for line in stdout]
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exitcode = process.wait()
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if exitcode != 0:
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print(f"Error in command: {command}\nOutput: {out}\nError: {err}\nExit code: {exitcode}")
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if "rsync" in command and exitcode == 24:
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raise RsyncCode24Exception(f"rsync error code 24 encountered: {stderr}")
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raise Exception("Exit code is greater than 0")
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return output
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def print_bash(command):
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output = bash(command)
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@ -95,7 +104,10 @@ for volume_name in volume_names:
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link_dest_parameter=""
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source_dir = "/var/lib/docker/volumes/" + volume_name + "/_data/"
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rsync_command = "rsync -abP --delete --delete-excluded " + link_dest_parameter + source_dir + " " + files_rsync_destination_path
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try:
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print_bash(rsync_command)
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except RsyncCode24Exception:
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print("Ignoring rsync error code 24, proceeding with the next command.")
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print("stop containers...")
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print("Backup data after container is stopped...")
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print_bash("docker stop " + list_to_string(containers))
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