75 lines
2.4 KiB
Python
75 lines
2.4 KiB
Python
from config import config
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from datetime import datetime
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from rich import print
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import json
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import subprocess
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# https://stackoverflow.com/questions/1094841/get-human-readable-version-of-file-size
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# except, the units match the output of `df -h` and `borg info`
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def readable_size(num, suffix=""):
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for unit in ["B", "K", "M", "G", "T", "P", "E", "Z"]:
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if abs(num) < 1000.0:
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return f"{num:3.1f}{unit}{suffix}"
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num /= 1000.0
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return f"{num:.1f}Y{suffix}"
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# setup
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# get the repo information
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if not config['repo']['path']:
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raise Exception('No repo path provided!')
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if not config['disk']['partition']:
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raise Exception('No partition path provided!')
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# check if a passphrase has been provided
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if config['repo']['passphrase']:
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passphrase = 'BORG_PASSPHRASE=' + config['repo']['passphrase'] + ' '
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else:
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passphrase = ''
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borg_info_raw = subprocess.run(passphrase + 'borg info --json ' + config['repo']['path'], shell=True, capture_output=True)
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borg_list = subprocess.run(passphrase + 'borg list --json ' + config['repo']['path'], shell=True, capture_output=True)
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# get free disk space
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df_avail_raw = subprocess.run(config['disk']['ssh'] + ' "df --block-size=1000 --output=avail ' + config['disk']['partition'] + ' | tail -1"', shell=True, capture_output=True)
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df_avail = df_avail_raw.stdout.rstrip()
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try:
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# parse repo info from json
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borg_info = json.loads(borg_info_raw.stdout)
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# parse repo info from json
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borg_list = json.loads(borg_list.stdout)
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except json.decoder.JSONDecodeError:
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print('[bold red]Unable to reach repo!')
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# try to get compressed + deduplicated backup size
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try:
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stats = borg_info['cache']['stats']
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csize = int(stats['unique_csize'])
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readable_csize = readable_size(csize)
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last_archive = borg_list['archives'][-1]
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archive_num = len(borg_list['archives'])
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except NameError:
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csize = 0
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readable_csize = last_archive = archive_num = '??'
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# datetime format: https://borgbackup.readthedocs.io/en/stable/internals/frontends.html#standard-output
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try:
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last_archive_time = datetime.strptime(last_archive['time'], '%Y-%m-%dT%H:%M:%S.%f')
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last_archive_time = last_archive_time.strftime('%d/%m/%Y %H:%M')
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except TypeError:
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last_archive_time = 'Unknown'
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if df_avail_raw.returncode == 0:
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df_avail_bytes = int(df_avail) * 1000
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df_avail_readable = readable_size(df_avail_bytes)
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else:
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# placeholder to make the bar empty
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df_avail_bytes = 1000
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df_avail_readable = '??'
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