SeiyaGame
338497eb21
Changelog of python : - Invalid backslash escape sequences in strings now warn with SyntaxWarning instead of DeprecationWarning, making them more visible. (They will become syntax errors in the future.)
92 lines
4.0 KiB
Python
92 lines
4.0 KiB
Python
#!/usr/bin/python3
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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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from .common import *
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import paramiko
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class backup_xcp_metadata(backup_generic):
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"""Backup metatdata of a xcp pool using xe pool-dump-database"""
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type = 'xcp-dump-metadata'
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required_params = ['type','server_name','private_key','backup_name']
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def do_backup(self,stats):
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self.logger.debug('[%s] Connecting to %s with user root and key %s',self.backup_name,self.server_name,self.private_key)
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t = datetime.datetime.now()
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backup_start_date = t.strftime('%Y%m%d-%Hh%Mm%S')
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# dump pool medatadata
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localpath = os.path.join(self.backup_dir , 'xcp_metadata-' + backup_start_date + '.dump')
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stats['status']='Dumping'
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if not self.dry_run:
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cmd = "/opt/xensource/bin/xe pool-dump-database file-name="
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self.logger.debug('[%s] Dump XCP Metadata : %s', self.backup_name, cmd)
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(error_code, output) = ssh_exec(cmd, server_name=self.server_name,private_key=self.private_key, remote_user='root')
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with open(localpath,"w") as f:
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f.write(output)
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# zip the file
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stats['status']='Zipping'
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cmd = 'gzip %s ' % localpath
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self.logger.debug('[%s] Compress backup : %s',self.backup_name,cmd)
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if not self.dry_run:
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call_external_process(cmd)
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localpath += ".gz"
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if not self.dry_run:
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stats['total_files_count']=1
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stats['written_files_count']=1
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stats['total_bytes']=os.stat(localpath).st_size
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stats['written_bytes']=os.stat(localpath).st_size
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stats['log']='gzip dump of DB %s:%s (%d bytes) to %s' % (self.server_name,'xcp metadata dump', stats['written_bytes'], localpath)
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stats['backup_location'] = localpath
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stats['status']='OK'
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def register_existingbackups(self):
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"""scan metatdata backup files and insert stats in database"""
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registered = [b['backup_location'] for b in self.dbstat.query('select distinct backup_location from stats where backup_name=?',(self.backup_name,))]
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filelist = os.listdir(self.backup_dir)
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filelist.sort()
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p = re.compile(r'^%s-(?P<date>\d{8,8}-\d{2,2}h\d{2,2}m\d{2,2}).dump.gz$' % self.server_name)
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for item in filelist:
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sr = p.match(item)
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if sr:
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file_name = os.path.join(self.backup_dir,item)
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start = datetime.datetime.strptime(sr.groups()[0],'%Y%m%d-%Hh%Mm%S').isoformat()
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if not file_name in registered:
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self.logger.info('Registering %s from %s',file_name,fileisodate(file_name))
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size_bytes = int(os.popen('du -sb "%s"' % file_name).read().split('\t')[0])
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self.logger.debug(' Size in bytes : %i',size_bytes)
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if not self.dry_run:
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self.dbstat.add(self.backup_name,self.server_name,'',\
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backup_start=start,backup_end=fileisodate(file_name),status='OK',total_bytes=size_bytes,backup_location=file_name)
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else:
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self.logger.info('Skipping %s from %s, already registered',file_name,fileisodate(file_name))
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register_driver(backup_xcp_metadata)
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