mirror of
https://github.com/Llloooggg/BackuPYer.git
synced 2026-03-06 02:26:23 +03:00
109 lines
2.8 KiB
Python
109 lines
2.8 KiB
Python
#!/usr/bin/env python3
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from datetime import datetime
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from subprocess import call
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from argparse import ArgumentParser
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from shutil import rmtree
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from sys import argv
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from os import path, makedirs, scandir, remove, rename
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parser = ArgumentParser()
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required = parser.add_argument_group("required arguments")
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required.add_argument("-hn", help="machine hostname", required=True)
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required.add_argument("-p", help="path to backup folder", required=True)
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optional = parser.add_argument_group("optional arguments")
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optional.add_argument("-n", help="number of backups", type=int, default=2)
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args = parser.parse_args(argv[1:])
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hostname = args.hn
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if args.p[-1] == "/":
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path_to_backups = args.p + hostname + "/"
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else:
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path_to_backups = args.p + "/" + hostname + "/"
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if args.n > 0:
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backup_num = args.n
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else:
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print("Error - wrong number of backups!")
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exit()
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dateFormat = "%H-%M-%S--%d-%m-%Y"
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def write_log(header, message):
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with open(path_to_backups + "sync.log", "a") as f:
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f.write(datetime.now().strftime("[%X] ") + header + "\n")
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f.write(message + "\n")
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if not path.exists(path_to_backups):
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makedirs(path_to_backups)
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all_objs = []
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with scandir(path_to_backups) as dir_objs:
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for obj in dir_objs:
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all_objs.append(obj)
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date_dirs = []
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for obj in all_objs:
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if obj.is_dir():
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try:
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datetime.strptime(obj.name, dateFormat)
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date_dirs.append(obj.name)
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except Exception:
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pass
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print()
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date_dirs.sort(reverse=True)
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safe_list = []
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safe_list.append("sync.log")
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print(date_dirs)
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print(len(date_dirs))
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if len(date_dirs) < backup_num:
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if not date_dirs or date_dirs[-1] != "00-00-00--01-01-0001":
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makedirs(path_to_backups + "00-00-00--01-01-0001")
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safe_list.append("00-00-00--01-01-0001")
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old_backup = "00-00-00--01-01-0001"
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elif date_dirs[-1] == "00-00-00--01-01-0001":
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old_backup = "00-00-00--01-01-0001"
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date_dirs.pop(-2)
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else:
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old_backup = date_dirs[-1]
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print(old_backup)
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safe_list.extend(date_dirs[:backup_num])
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print(safe_list)
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for obj in all_objs:
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if obj.name not in safe_list:
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if obj.is_dir():
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rmtree(path_to_backups + obj.name)
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else:
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remove(path_to_backups + obj.name)
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new = datetime.now().strftime(dateFormat)
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write_log("SUCCESS", f"Sync started at {new}\n")
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sync = call(
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f"rsync -aAXcv / --exclude='/dev/*' --exclude='/proc/*' --exclude='/sys/*' --exclude='/tmp/*' --exclude='/run/*' --exclude='/mnt/*' --exclude='/media/*' --exclude='/lost+found'}} {path_to_backups}{old_backup} --delete",
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shell=True,
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)
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if sync == 0:
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header = "SUCCESS"
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message = f"Sync at {new} to {old_backup} successful completed\n"
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rename(path_to_backups + old_backup, path_to_backups + new)
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else:
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header = "ERROR"
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message = f"Sync at {new} to {old_backup} crashed\n"
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write_log(header, message)
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