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import os |
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import re |
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from typing import Optional, Dict, List |
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from backuppc_clone.Config import Config |
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from backuppc_clone.DataLayer import DataLayer |
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from backuppc_clone.style.BackupPcCloneStyle import BackupPcCloneStyle |
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View Code Duplication |
class BackupInfoScanner: |
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""" |
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Class for retrieving information about backups. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __init__(self, io: BackupPcCloneStyle): |
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""" |
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Object constructor. |
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@param BackupPcCloneStyle io: The output style. |
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""" |
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self.__io: BackupPcCloneStyle = io |
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""" |
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The output style. |
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""" |
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# ------------------------------------------------------------------------------------------------------------------ |
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@staticmethod |
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def get_backup_info(backup_dir: str, param_name: str) -> Optional[str]: |
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""" |
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Extracts info about a backup from file backupInfo. |
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@param str backup_dir: The path to the host backup. |
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@param str param_name: The name of the info parameter. |
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:rtype: str|None |
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""" |
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ret = None |
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path = os.path.join(backup_dir, 'backupInfo') |
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if os.path.isfile(path): |
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with open(path) as file: |
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content = file.read() |
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result = re.search(r"'{}' => '(.*?)'".format(param_name), content) |
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if result: |
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ret = result.group(1) |
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if not ret: |
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ret = None |
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return ret |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __scan_for_backups(self) -> List[Dict]: |
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""" |
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Scans for host backups and returns the metadata of the host backups. |
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:rtype: list[dict] |
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""" |
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pc_dir_original = Config.instance.pc_dir_original |
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self.__io.writeln(' Scanning <fso>{}</fso>'.format(pc_dir_original)) |
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backups = [] |
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for host in os.scandir(pc_dir_original): |
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if host.is_dir(): |
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host_dir = os.path.join(Config.instance.pc_dir_original, host.name) |
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for backup in os.scandir(host_dir): |
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if backup.is_dir() and re.match(r'^\d+$', backup.name): |
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backup_dir = os.path.join(host_dir, backup.name) |
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backups.append({'bob_host': host.name, |
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'bob_number': int(backup.name), |
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'bob_end_time': self.get_backup_info(backup_dir, 'endTime'), |
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'bob_version': self.get_backup_info(backup_dir, 'version'), |
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'bob_level': self.get_backup_info(backup_dir, 'level'), |
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'bob_type': self.get_backup_info(backup_dir, 'type')}) |
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return backups |
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# ------------------------------------------------------------------------------------------------------------------ |
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def __import_backups(self, backups: List[Dict]) -> None: |
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""" |
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Imports the original host backups info into the SQLite database. |
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@param list[dict] backups: The metadata of the original backups. |
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""" |
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DataLayer.instance.original_backup_truncate() |
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for backup in backups: |
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DataLayer.instance.original_backup_insert(backup['bob_host'], |
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backup['bob_number'], |
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backup['bob_end_time'], |
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backup['bob_version'], |
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backup['bob_level'], |
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backup['bob_type']) |
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stats = DataLayer.instance.original_backup_get_stats() |
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self.__io.writeln('') |
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self.__io.writeln(' Found {} hosts and {} backups'.format(stats['#hosts'], stats['#backups'])) |
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self.__io.writeln('') |
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# ------------------------------------------------------------------------------------------------------------------ |
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def scan(self) -> None: |
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""" |
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Scans information about backups. |
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""" |
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backups = self.__scan_for_backups() |
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self.__import_backups(backups) |
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# ---------------------------------------------------------------------------------------------------------------------- |
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SetBased /
BackupPC-Clone
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