mirror of https://github.com/borgbase/vorta
202 lines
7.8 KiB
Python
202 lines
7.8 KiB
Python
import os
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import subprocess
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import tempfile
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from datetime import datetime as dt
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from vorta.config import LOG_DIR
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from vorta.i18n import trans_late, translate
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from vorta.store.models import (
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ArchiveModel,
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RepoModel,
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SourceFileModel,
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WifiSettingModel,
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)
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from vorta.utils import borg_compat, format_archive_name, get_network_status_monitor
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from .borg_job import BorgJob
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class BorgCreateJob(BorgJob):
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def process_result(self, result):
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if result['returncode'] in [0, 1] and 'archive' in result['data']:
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new_archive, created = ArchiveModel.get_or_create(
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snapshot_id=result['data']['archive']['id'],
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defaults={
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'name': result['data']['archive']['name'],
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# SQLite can't save timezone, so we remove it here. TODO: Keep as UTC?
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'time': dt.fromisoformat(result['data']['archive']['start']).replace(tzinfo=None),
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'repo': result['params']['repo_id'],
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'duration': result['data']['archive']['duration'],
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'size': result['data']['archive']['stats']['deduplicated_size'],
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},
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)
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new_archive.save()
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if 'cache' in result['data'] and created:
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stats = result['data']['cache']['stats']
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repo = RepoModel.get(id=result['params']['repo_id'])
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repo.total_size = stats['total_size']
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# repo.unique_csize = stats['unique_csize']
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repo.unique_size = stats['unique_size']
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repo.total_unique_chunks = stats['total_unique_chunks']
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repo.save()
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if result['returncode'] == 1:
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self.app.backup_progress_event.emit(
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f"[{self.params['profile_name']}] "
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+ translate(
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'BorgCreateJob',
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'Backup finished with warnings. See the <a href="{0}">logs</a> for details.',
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).format(LOG_DIR.as_uri())
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)
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else:
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self.app.backup_progress_event.emit(f"[{self.params['profile_name']}] {self.tr('Backup finished.')}")
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def progress_event(self, fmt):
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self.app.backup_progress_event.emit(f"[{self.params['profile_name']}] {fmt}")
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def started_event(self):
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self.app.backup_started_event.emit()
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self.app.backup_progress_event.emit(f"[{self.params['profile_name']}] {self.tr('Backup started.')}")
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def finished_event(self, result):
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self.app.backup_finished_event.emit(result)
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self.result.emit(result)
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self.pre_post_backup_cmd(self.params, cmd='post_backup_cmd', returncode=result['returncode'])
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@classmethod
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def pre_post_backup_cmd(cls, params, cmd='pre_backup_cmd', returncode=0):
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cmd = getattr(params['profile'], cmd)
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if cmd:
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env = {
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**os.environ.copy(),
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'repo_url': params['repo'].url,
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'profile_name': params['profile'].name,
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'profile_slug': params['profile'].slug(),
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'returncode': str(returncode),
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}
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proc = subprocess.run(cmd, shell=True, env=env)
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return proc.returncode
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else:
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return 0 # 0 if no command was run.
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@classmethod
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def prepare(cls, profile):
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"""
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`borg create` is called from different places and needs some preparation.
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Centralize it here and return the required arguments to the caller.
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"""
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ret = super().prepare(profile)
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if not ret['ok']:
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return ret
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else:
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ret['ok'] = False # Set back to False, so we can do our own checks here.
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n_backup_folders = SourceFileModel.select().where(SourceFileModel.profile == profile).count()
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# cmd options like `--paths-from-command` require a command
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# that is appended to the arguments
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# $ borg create --paths-from-command repo::archive1 -- find /home/user -type f -size -76M
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extra_cmd_options = []
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suffix_command = []
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if profile.repo.create_backup_cmd:
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s1, sep, s2 = profile.repo.create_backup_cmd.partition('-- ')
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extra_cmd_options = s1.split()
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suffix_command = (sep + s2).split()
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if n_backup_folders == 0 and '--paths-from-command' not in extra_cmd_options:
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ret['message'] = trans_late('messages', 'Add some folders to back up first.')
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return ret
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network_status_monitor = get_network_status_monitor()
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current_wifi = network_status_monitor.get_current_wifi()
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if current_wifi is not None:
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wifi_is_disallowed = WifiSettingModel.select().where(
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(WifiSettingModel.ssid == current_wifi)
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& (WifiSettingModel.allowed == False) # noqa
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& (WifiSettingModel.profile == profile)
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)
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if wifi_is_disallowed.count() > 0 and profile.repo.is_remote_repo():
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ret['message'] = trans_late('messages', 'Current Wifi is not allowed.')
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return ret
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if (
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profile.repo.is_remote_repo()
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and profile.dont_run_on_metered_networks
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and network_status_monitor.is_network_metered()
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):
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ret['message'] = trans_late('messages', 'Not running backup over metered connection.')
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return ret
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ret['profile'] = profile
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ret['repo'] = profile.repo
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# Run user-supplied pre-backup command
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if cls.pre_post_backup_cmd(ret) != 0:
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ret['message'] = trans_late('messages', 'Pre-backup command returned non-zero exit code.')
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return ret
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if not profile.repo.is_remote_repo() and not os.path.exists(profile.repo.url):
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ret['message'] = trans_late('messages', 'Repo folder not mounted or moved.')
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return ret
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if 'zstd' in profile.compression and not borg_compat.check('ZSTD'):
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ret['message'] = trans_late(
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'messages',
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'Your current Borg version does not support ZStd compression.',
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)
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return ret
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cmd = [
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'borg',
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'create',
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'--list',
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'--progress',
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'--info',
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'--log-json',
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'--json',
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'--filter=AM',
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'-C',
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profile.compression,
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]
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cmd += extra_cmd_options
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# Add excludes
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# Partly inspired by borgmatic/borgmatic/borg/create.py
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if profile.exclude_patterns is not None:
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exclude_dirs = []
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for p in profile.exclude_patterns.split('\n'):
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if p.strip():
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expanded_directory = os.path.expanduser(p.strip())
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exclude_dirs.append(expanded_directory)
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if exclude_dirs:
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pattern_file = tempfile.NamedTemporaryFile('w', delete=True)
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pattern_file.write('\n'.join(exclude_dirs))
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pattern_file.flush()
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cmd.extend(['--exclude-from', pattern_file.name])
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ret['cleanup_files'].append(pattern_file)
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if profile.exclude_if_present is not None:
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for f in profile.exclude_if_present.split('\n'):
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if f.strip():
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cmd.extend(['--exclude-if-present', f.strip()])
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# Add repo url and source dirs.
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new_archive_name = format_archive_name(profile, profile.new_archive_name)
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if borg_compat.check('V2'):
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cmd += ["-r", profile.repo.url, new_archive_name]
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else:
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cmd.append(f"{profile.repo.url}::{new_archive_name}")
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for f in SourceFileModel.select().where(SourceFileModel.profile == profile.id):
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cmd.append(f.dir)
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cmd += suffix_command
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ret['message'] = trans_late('messages', 'Starting backup…')
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ret['ok'] = True
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ret['cmd'] = cmd
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return ret
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