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https://github.com/kevinveenbirkenbach/docker-volume-backup.git
synced 2024-10-31 23:33:11 +01:00
Refactored and added latest symlink
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@ -1,7 +1,10 @@
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#!/bin/python
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# Backups volumes of running containers
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#
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import subprocess, os, pathlib, pandas
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import subprocess
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import os
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import pathlib
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import pandas
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from datetime import datetime
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@ -30,15 +33,31 @@ def list_to_string(list):
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print('start backup routine...')
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print('start volume backups...')
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backup_time = datetime.now().strftime("%Y%m%d%H%M%S")
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backups_folder = '/Backups/'
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dirname = os.path.dirname(__file__)
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repository_name = os.path.basename(dirname)
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# identifier of this backups
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machine_id = bash("sha256sum /etc/machine-id")[0][0:64]
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# Folder in which all Backups are stored
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backups_dir = '/Backups/'
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# Folder in which docker volume backups are stored
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backup_type_dir = backups_dir + machine_id + "/" + repository_name + "/"
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# Folder containing all versions
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versions_dir = backup_type_dir + "versions/"
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# Time when the backup started
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backup_time = datetime.now().strftime("%Y%m%d%H%M%S")
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# Folder containing the current version
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version_dir = versions_dir + backup_time + "/"
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# Define latest path
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latest_link = backup_type_dir + "/latest/"
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# Create folder to store version in
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pathlib.Path(version_dir).mkdir(parents=True, exist_ok=True)
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# Link latest to current version
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pathlib.Path(latest_link).symlink_to(version_dir)
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print('start volume backups...')
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print('load connection data...')
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databases = pandas.read_csv(dirname + "/databases.csv", sep=";")
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machine_id = bash("sha256sum /etc/machine-id")[0][0:64]
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backup_repository_folder = backups_folder + machine_id + "/" + repository_name + "/"
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volume_names = bash("docker volume ls --format '{{.Name}}'")
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for volume_name in volume_names:
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print('start backup routine for volume: ' + volume_name)
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@ -47,12 +66,12 @@ for volume_name in volume_names:
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print('skipped due to no running containers using this volume.')
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else:
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container = containers[0]
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versions_dir_path = backup_repository_folder + "versions/"
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general_destination_dir = versions_dir_path + backup_time + "/" + volume_name
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# Folder to which the volumes are copied
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volume_destination_dir = version_dir + volume_name
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databases_entries = databases.loc[databases['container'] == container]
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if len(databases_entries) == 1:
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print("Backup database...")
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mysqldump_destination_dir = general_destination_dir + "/sql"
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mysqldump_destination_dir = volume_destination_dir + "/sql"
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mysqldump_destination_file = mysqldump_destination_dir + "/backup.sql"
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pathlib.Path(mysqldump_destination_dir).mkdir(parents=True, exist_ok=True)
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database_entry = databases_entries.iloc[0]
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@ -60,13 +79,13 @@ for volume_name in volume_names:
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print_bash(database_backup_command)
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else:
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print("Backup files...")
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files_rsync_destination_path = general_destination_dir + "/files"
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files_rsync_destination_path = volume_destination_dir + "/files"
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pathlib.Path(files_rsync_destination_path).mkdir(parents=True, exist_ok=True)
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versions = os.listdir(versions_dir_path)
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versions = os.listdir(versions_dir)
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versions.sort(reverse=True)
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if len(versions) > 1:
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last_version = versions[1]
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last_version_files_dir = versions_dir_path + last_version + "/" + volume_name + "/files"
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last_version_files_dir = versions_dir + last_version + "/" + volume_name + "/files"
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if os.path.isdir(last_version_files_dir):
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link_dest_parameter="--link-dest='" + last_version_files_dir + "' "
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else:
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