422 lines
19 KiB
Python
Executable File
422 lines
19 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# -----------------------------------------------------------------------
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# This file is part of TISBackup
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#
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# TISBackup is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# TISBackup is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with TISBackup. If not, see <http://www.gnu.org/licenses/>.
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#
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# -----------------------------------------------------------------------
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import os
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import datetime
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import subprocess
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from iniparse import ConfigParser
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from optparse import OptionParser
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import re
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import sys
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import getopt
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import os.path
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import logging
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from libtisbackup.common import *
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from libtisbackup.backup_mysql import backup_mysql
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from libtisbackup.backup_rsync import backup_rsync
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from libtisbackup.backup_rsync import backup_rsync_ssh
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from libtisbackup.backup_oracle import backup_oracle
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from libtisbackup.backup_rsync_btrfs import backup_rsync_btrfs
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from libtisbackup.backup_rsync_btrfs import backup_rsync__btrfs_ssh
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from libtisbackup.backup_pgsql import backup_pgsql
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from libtisbackup.backup_xva import backup_xva
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from libtisbackup.backup_vmdk import backup_vmdk
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from libtisbackup.backup_switch import backup_switch
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from libtisbackup.backup_null import backup_null
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from libtisbackup.backup_xcp_metadata import backup_xcp_metadata
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from libtisbackup.copy_vm_xcp import copy_vm_xcp
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from libtisbackup.backup_sqlserver import backup_sqlserver
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from libtisbackup.backup_samba4 import backup_samba4
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usage="""\
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%prog -c configfile action
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TIS Files Backup system.
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action is either :
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backup : launch all backups or a specific one if -s option is used
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cleanup : removed backups older than retension period
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checknagios : check all or a specific backup against max_backup_age parameter
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dumpstat : dump the content of database for the last 20 backups
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retryfailed : try to relaunch the last failed backups
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listdrivers : list available backup types and parameters for config inifile
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exportbackup : copy lastest OK backups from local to location defned by --exportdir parameter
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register_existing : scan backup directories and add missing backups to database"""
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version="VERSION"
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parser=OptionParser(usage=usage,version="%prog " + version)
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parser.add_option("-c","--config", dest="config", default='/etc/tis/tisbackup-config.ini', help="Config file full path (default: %default)")
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parser.add_option("-d","--dry-run", dest="dry_run", default=False, action='store_true', help="Dry run (default: %default)")
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parser.add_option("-v","--verbose", dest="verbose", default=False, action='store_true', help="More information (default: %default)")
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parser.add_option("-s","--sections", dest="sections", default='', help="Comma separated list of sections (backups) to process (default: All)")
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parser.add_option("-l","--loglevel", dest="loglevel", default='info', type='choice', choices=['debug','warning','info','error','critical'], metavar='LOGLEVEL',help="Loglevel (default: %default)")
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parser.add_option("-n","--len", dest="statscount", default=30, type='int', help="Number of lines to list for dumpstat (default: %default)")
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parser.add_option("-b","--backupdir", dest="backup_base_dir", default='', help="Base directory for all backups (default: [global] backup_base_dir in config file)")
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parser.add_option("-x","--exportdir", dest="exportdir", default='', help="Directory where to export latest backups with exportbackup (nodefault)")
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class tis_backup:
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logger = logging.getLogger('tisbackup')
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def __init__(self,dry_run=False,verbose=False,backup_base_dir=''):
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self.dry_run = dry_run
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self.verbose = verbose
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self.backup_base_dir = backup_base_dir
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self.backup_base_dir = ''
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self.backup_list = []
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self.dry_run = dry_run
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self.verbose=False
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def read_ini_file(self,filename):
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cp = ConfigParser()
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cp.read(filename)
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if not self.backup_base_dir:
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self.backup_base_dir = cp.get('global','backup_base_dir')
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if not os.path.isdir(self.backup_base_dir):
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self.logger.info('Creating backup directory %s' % self.backup_base_dir)
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os.makedirs(self.backup_base_dir)
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self.logger.debug("backup directory : " + self.backup_base_dir)
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self.dbstat = BackupStat(os.path.join(self.backup_base_dir,'log','tisbackup.sqlite'))
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for section in cp.sections():
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if (section != 'global'):
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self.logger.debug("reading backup config " + section)
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backup_item = None
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type = cp.get(section,'type')
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backup_item = backup_drivers[type](backup_name=section,
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backup_dir=os.path.join(self.backup_base_dir,section),dbstat=self.dbstat,dry_run=self.dry_run)
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backup_item.read_config(cp)
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backup_item.verbose = self.verbose
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self.backup_list.append(backup_item)
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# TODO check hostname socket.gethostbyname_ex('cnn.com')
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# TODO socket.gethostbyaddr('64.236.16.20')
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# TODO limit backup to one backup on the command line
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def checknagios(self,sections=[],maxage_hours=None):
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try:
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if not sections:
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sections = [backup_item.backup_name for backup_item in self.backup_list]
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self.logger.debug('Start of check nagios for %s' % (','.join(sections),))
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try:
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worst_nagiosstatus = None
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ok = []
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warning = []
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critical = []
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unknown = []
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nagiosoutput = ''
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for backup_item in self.backup_list:
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if not sections or backup_item.backup_name in sections:
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assert(isinstance(backup_item,backup_generic))
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if not maxage_hours:
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maxage_hours = backup_item.maximum_backup_age
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(nagiosstatus,log) = backup_item.checknagios(maxage_hours=maxage_hours)
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if nagiosstatus == nagiosStateCritical:
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critical.append((backup_item.backup_name,log))
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elif nagiosstatus == nagiosStateWarning :
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warning.append((backup_item.backup_name,log))
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elif nagiosstatus == nagiosStateOk:
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ok.append((backup_item.backup_name,log))
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else:
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unknown.append((backup_item.backup_name,log))
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self.logger.debug('[%s] nagios:"%i" log: %s',backup_item.backup_name,nagiosstatus,log)
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if not ok and not critical and not unknown and not warning:
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self.logger.debug('Nothing processed')
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worst_nagiosstatus = nagiosStateUnknown
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nagiosoutput = 'UNKNOWN : Unknown backup sections "%s"' % sections
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globallog = []
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if unknown:
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if not worst_nagiosstatus:
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worst_nagiosstatus = nagiosStateUnknown
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nagiosoutput = 'UNKNOWN status backups %s' % (','.join([b[0] for b in unknown]))
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globallog.extend(unknown)
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if critical:
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if not worst_nagiosstatus:
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worst_nagiosstatus = nagiosStateCritical
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nagiosoutput = 'CRITICAL backups %s' % (','.join([b[0] for b in critical]))
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globallog.extend(critical)
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if warning:
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if not worst_nagiosstatus:
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worst_nagiosstatus = nagiosStateWarning
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nagiosoutput = 'WARNING backups %s' % (','.join([b[0] for b in warning]))
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globallog.extend(warning)
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if ok:
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if not worst_nagiosstatus:
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worst_nagiosstatus = nagiosStateOk
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nagiosoutput = 'OK backups %s' % (','.join([b[0] for b in ok]))
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globallog.extend(ok)
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if worst_nagiosstatus == nagiosStateOk:
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nagiosoutput = 'ALL backups OK %s' % (','.join(sections))
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except BaseException,e:
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worst_nagiosstatus = nagiosStateCritical
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nagiosoutput = 'EXCEPTION',"Critical : %s" % str(e)
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raise
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finally:
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self.logger.debug('worst nagios status :"%i"',worst_nagiosstatus)
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print '%s (tisbackup V%s)' %(nagiosoutput,version)
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print '\n'.join(["[%s]:%s" % (l[0],l[1]) for l in globallog])
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sys.exit(worst_nagiosstatus)
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def process_backup(self,sections=[]):
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processed = []
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errors = []
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if not sections:
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sections = [backup_item.backup_name for backup_item in self.backup_list]
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self.logger.info('Processing backup for %s' % (','.join(sections)) )
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for backup_item in self.backup_list:
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if not sections or backup_item.backup_name in sections:
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try:
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assert(isinstance(backup_item,backup_generic))
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self.logger.info('Processing [%s]',(backup_item.backup_name))
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stats = backup_item.process_backup()
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processed.append((backup_item.backup_name,stats))
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except BaseException,e:
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self.logger.critical('Backup [%s] processed with error : %s',backup_item.backup_name,e)
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errors.append((backup_item.backup_name,str(e)))
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if not processed and not errors:
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self.logger.critical('No backup properly finished or processed')
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else:
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if processed:
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self.logger.info('Backup processed : %s' , ",".join([b[0] for b in processed]))
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if errors:
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self.logger.error('Backup processed with errors: %s' , ",".join([b[0] for b in errors]))
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def export_backups(self,sections=[],exportdir=''):
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processed = []
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errors = []
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if not sections:
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sections = [backup_item.backup_name for backup_item in self.backup_list]
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self.logger.info('Exporting OK backups for %s to %s' % (','.join(sections),exportdir) )
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for backup_item in self.backup_list:
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if backup_item.backup_name in sections:
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try:
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assert(isinstance(backup_item,backup_generic))
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self.logger.info('Processing [%s]',(backup_item.backup_name))
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stats = backup_item.export_latestbackup(destdir=exportdir)
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processed.append((backup_item.backup_name,stats))
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except BaseException,e:
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self.logger.critical('Export Backup [%s] processed with error : %s',backup_item.backup_name,e)
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errors.append((backup_item.backup_name,str(e)))
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if not processed and not errors:
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self.logger.critical('No export backup properly finished or processed')
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else:
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if processed:
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self.logger.info('Export Backups processed : %s' , ",".join([b[0] for b in processed]))
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if errors:
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self.logger.error('Export Backups processed with errors: %s' , ",".join([b[0] for b in errors]))
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def retry_failed_backups(self,maxage_hours=30):
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processed = []
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errors = []
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# before mindate, backup is too old
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mindate = datetime2isodate((datetime.datetime.now() - datetime.timedelta(hours=maxage_hours)))
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failed_backups = self.dbstat.query("""\
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select distinct backup_name as bname
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from stats
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where status="OK" and backup_start>=?""",(mindate,))
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defined_backups = map(lambda f:f.backup_name, [ x for x in self.backup_list if not isinstance(x, backup_null) ])
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failed_backups_names = set(defined_backups) - set([b['bname'] for b in failed_backups if b['bname'] in defined_backups])
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if failed_backups_names:
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self.logger.info('Processing backup for %s',','.join(failed_backups_names))
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for backup_item in self.backup_list:
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if backup_item.backup_name in failed_backups_names:
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try:
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assert(isinstance(backup_item,backup_generic))
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self.logger.info('Processing [%s]',(backup_item.backup_name))
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stats = backup_item.process_backup()
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processed.append((backup_item.backup_name,stats))
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except BaseException,e:
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self.logger.critical('Backup [%s] not processed, error : %s',backup_item.backup_name,e)
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errors.append((backup_item.backup_name,str(e)))
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if not processed and not errors:
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self.logger.critical('No backup properly finished or processed')
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else:
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if processed:
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self.logger.info('Backup processed : %s' , ",".join([b[0] for b in errors]))
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if errors:
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self.logger.error('Backup processed with errors: %s' , ",".join([b[0] for b in errors]))
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else:
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self.logger.info('No recent failed backups found in database')
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def cleanup_backup_section(self,sections = []):
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log = ''
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processed = False
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if not sections:
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sections = [backup_item.backup_name for backup_item in self.backup_list]
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self.logger.info('Processing cleanup for %s' % (','.join(sections)) )
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for backup_item in self.backup_list:
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if backup_item.backup_name in sections:
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try:
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assert(isinstance(backup_item,backup_generic))
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self.logger.info('Processing cleanup of [%s]',(backup_item.backup_name))
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backup_item.cleanup_backup()
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processed = True
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except BaseException,e:
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self.logger.critical('Cleanup of [%s] not processed, error : %s',backup_item.backup_name,e)
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if not processed:
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self.logger.critical('No cleanup properly finished or processed')
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def register_existingbackups(self,sections = []):
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if not sections:
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sections = [backup_item.backup_name for backup_item in self.backup_list]
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self.logger.info('Append existing backups to database...')
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for backup_item in self.backup_list:
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if backup_item.backup_name in sections:
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backup_item.register_existingbackups()
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def html_report(self):
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for backup_item in self.backup_list:
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if not section or section == backup_item.backup_name:
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assert(isinstance(backup_item,backup_generic))
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if not maxage_hours:
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maxage_hours = backup_item.maximum_backup_age
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(nagiosstatus,log) = backup_item.checknagios(maxage_hours=maxage_hours)
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globallog.append('[%s] %s' % (backup_item.backup_name,log))
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self.logger.debug('[%s] nagios:"%i" log: %s',backup_item.backup_name,nagiosstatus,log)
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processed = True
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if nagiosstatus >= worst_nagiosstatus:
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worst_nagiosstatus = nagiosstatus
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def main():
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(options,args)=parser.parse_args()
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if len(args) != 1:
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print "ERROR : You must provide one action to perform"
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parser.print_usage()
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sys.exit(2)
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backup_start_date = datetime.datetime.now().strftime('%Y%m%d-%Hh%Mm%S')
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# options
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action = args[0]
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if action == "listdrivers":
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for t in backup_drivers:
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print backup_drivers[t].get_help()
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sys.exit(0)
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config_file =options.config
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dry_run = options.dry_run
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verbose = options.verbose
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loglevel = options.loglevel
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# setup Logger
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logger = logging.getLogger('tisbackup')
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hdlr = logging.StreamHandler()
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hdlr.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s'))
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logger.addHandler(hdlr)
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# set loglevel
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if loglevel in ('debug','warning','info','error','critical'):
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numeric_level = getattr(logging, loglevel.upper(), None)
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if not isinstance(numeric_level, int):
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raise ValueError('Invalid log level: %s' % loglevel)
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logger.setLevel(numeric_level)
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# Config file
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if not os.path.isfile(config_file):
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logger.error("Error : could not find file : " + config_file + ", please check the path")
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logger.info("Using " + config_file + " config file")
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cp = ConfigParser()
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cp.read(config_file)
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backup_base_dir = options.backup_base_dir or cp.get('global','backup_base_dir')
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log_dir = os.path.join(backup_base_dir,'log')
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if not os.path.exists(log_dir):
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os.makedirs(log_dir)
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# if we run the nagios check, we don't create log file, everything is piped to stdout
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if action!='checknagios':
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hdlr = logging.FileHandler(os.path.join(log_dir,'tisbackup_%s.log' % (backup_start_date)))
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hdlr.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s'))
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logger.addHandler(hdlr)
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# Main
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backup = tis_backup(dry_run=dry_run,verbose=verbose,backup_base_dir=backup_base_dir)
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backup.read_ini_file(config_file)
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backup_sections = options.sections.split(',') if options.sections else []
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all_sections = [backup_item.backup_name for backup_item in backup.backup_list]
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if not backup_sections:
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backup_sections = all_sections
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else:
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for b in backup_sections:
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if not b in all_sections:
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raise Exception('Section %s is not defined in config file' % b)
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if dry_run:
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logger.warning("WARNING : DRY RUN, nothing will be done, just printing on screen...")
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if action == "backup":
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backup.process_backup(backup_sections)
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elif action == "exportbackup":
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if not options.exportdir:
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raise Exception('No export directory supplied dor exportbackup action')
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backup.export_backups(backup_sections,options.exportdir)
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elif action == "cleanup":
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backup.cleanup_backup_section(backup_sections)
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elif action == "checknagios":
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backup.checknagios(backup_sections)
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elif action == "dumpstat":
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for s in backup_sections:
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backup.dbstat.last_backups(s,count=options.statscount)
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elif action == "retryfailed":
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backup.retry_failed_backups()
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elif action == "register_existing":
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backup.register_existingbackups(backup_sections)
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else:
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logger.error('Unhandled action "%s", quitting...',action)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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