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- add backup Samba4 support

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ssamson-tis 2015-12-23 15:27:36 +01:00
parent 3d9bd21a7b
commit 81e1676ad8
3 changed files with 172 additions and 24 deletions
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5
.gitignore vendored
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@ -2,3 +2,8 @@
*.swp
*~
*.pyc
/tasks.sqlite
/tasks.sqlite-wal
/srvinstallation
/tasks.sqlite-shm
.idea

165
libtisbackup/backup_samba4.py Normal file
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# -----------------------------------------------------------------------
# This file is part of TISBackup
#
# TISBackup is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# TISBackup is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with TISBackup. If not, see <http://www.gnu.org/licenses/>.
#
# -----------------------------------------------------------------------
import sys
try:
sys.stderr = open('/dev/null') # Silence silly warnings from paramiko
import paramiko
except ImportError,e:
print "Error : can not load paramiko library %s" % e
raise
sys.stderr = sys.__stderr__
from common import *
class backup_samba4(backup_generic):
"""Backup a samba4 databases as gzipped tdbs file through ssh"""
type = 'samba4'
required_params = backup_generic.required_params + ['private_key']
optional_params = backup_generic.optional_params + ['root_dir_samba']
root_dir_samba = "/usr/local/samba/"
def do_backup(self,stats):
self.dest_dir = os.path.join(self.backup_dir,self.backup_start_date)
if not os.path.isdir(self.dest_dir):
if not self.dry_run:
os.makedirs(self.dest_dir)
else:
print 'mkdir "%s"' % self.dest_dir
else:
raise Exception('backup destination directory already exists : %s' % self.dest_dir)
self.logger.debug('[%s] Connecting to %s with user root and key %s',self.backup_name,self.server_name,self.private_key)
try:
mykey = paramiko.RSAKey.from_private_key_file(self.private_key)
except paramiko.SSHException:
mykey = paramiko.DSSKey.from_private_key_file(self.private_key)
self.ssh = paramiko.SSHClient()
self.ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
self.ssh.connect(self.server_name,username='root',pkey = mykey, port=self.ssh_port)
stats['log']= "Successfully backuping processed to the following databases :"
stats['status']='List'
dir_ldbs = os.path.join(self.root_dir_samba+'/private/sam.ldb.d/')
cmd = 'ls %s/*.ldb 2> /dev/null' % dir_ldbs
self.logger.debug('[%s] List databases: %s',self.backup_name,cmd)
(error_code,output) = ssh_exec(cmd,ssh=self.ssh)
self.logger.debug("[%s] Output of %s :\n%s",self.backup_name,cmd,output)
if error_code:
raise Exception('Aborting, Not null exit code (%i) for "%s"' % (error_code,cmd))
databases = output.split('\n')
for database in databases:
if database != "":
self.db_name = database.rstrip()
self.do_mysqldump(stats)
def do_mysqldump(self,stats):
t = datetime.datetime.now()
backup_start_date = t.strftime('%Y%m%d-%Hh%Mm%S')
# dump db
stats['status']='Dumping'
cmd = 'tdbbackup -s .tisbackup ' + self.db_name
self.logger.debug('[%s] Dump DB : %s',self.backup_name,cmd)
if not self.dry_run:
(error_code,output) = ssh_exec(cmd,ssh=self.ssh)
print output
self.logger.debug("[%s] Output of %s :\n%s",self.backup_name,cmd,output)
if error_code:
raise Exception('Aborting, Not null exit code (%i) for "%s"' % (error_code,cmd))
# zip the file
stats['status']='Zipping'
cmd = 'gzip "%s.tisbackup"' % self.db_name
self.logger.debug('[%s] Compress backup : %s',self.backup_name,cmd)
if not self.dry_run:
(error_code,output) = ssh_exec(cmd,ssh=self.ssh)
self.logger.debug("[%s] Output of %s :\n%s",self.backup_name,cmd,output)
if error_code:
raise Exception('Aborting, Not null exit code (%i) for "%s"' % (error_code,cmd))
# get the file
stats['status']='SFTP'
filepath = self.db_name + '.tisbackup.gz'
localpath = os.path.join(self.dest_dir , os.path.basename(self.db_name) + '.tisbackup.gz')
self.logger.debug('[%s] Get gz backup with sftp on %s from %s to %s',self.backup_name,self.server_name,filepath,localpath)
if not self.dry_run:
transport = self.ssh.get_transport()
sftp = paramiko.SFTPClient.from_transport(transport)
sftp.get(filepath, localpath)
sftp.close()
if not self.dry_run:
stats['total_files_count']=1 + stats.get('total_files_count', 0)
stats['written_files_count']=1 + stats.get('written_files_count', 0)
stats['total_bytes']=os.stat(localpath).st_size + stats.get('total_bytes', 0)
stats['written_bytes']=os.stat(localpath).st_size + stats.get('written_bytes', 0)
stats['log'] = '%s "%s"' % (stats['log'] ,self.db_name)
stats['backup_location'] = self.dest_dir
stats['status']='RMTemp'
cmd = 'rm -f "%s"' % filepath
self.logger.debug('[%s] Remove temp gzip : %s',self.backup_name,cmd)
if not self.dry_run:
(error_code,output) = ssh_exec(cmd,ssh=self.ssh)
self.logger.debug("[%s] Output of %s :\n%s",self.backup_name,cmd,output)
if error_code:
raise Exception('Aborting, Not null exit code (%i) for "%s"' % (error_code,cmd))
stats['status']='OK'
def register_existingbackups(self):
"""scan backup dir and insert stats in database"""
registered = [b['backup_location'] for b in self.dbstat.query('select distinct backup_location from stats where backup_name=?',(self.backup_name,))]
filelist = os.listdir(self.backup_dir)
filelist.sort()
p = re.compile('^\d{8,8}-\d{2,2}h\d{2,2}m\d{2,2}$')
for item in filelist:
if p.match(item):
dir_name = os.path.join(self.backup_dir,item)
if not dir_name in registered:
start = datetime.datetime.strptime(item,'%Y%m%d-%Hh%Mm%S').isoformat()
if fileisodate(dir_name)>start:
stop = fileisodate(dir_name)
else:
stop = start
self.logger.info('Registering %s started on %s',dir_name,start)
self.logger.debug(' Disk usage %s','du -sb "%s"' % dir_name)
if not self.dry_run:
size_bytes = int(os.popen('du -sb "%s"' % dir_name).read().split('\t')[0])
else:
size_bytes = 0
self.logger.debug(' Size in bytes : %i',size_bytes)
if not self.dry_run:
self.dbstat.add(self.backup_name,self.server_name,'',\
backup_start=start,backup_end = stop,status='OK',total_bytes=size_bytes,backup_location=dir_name)
else:
self.logger.info('Skipping %s, already registered',dir_name)
register_driver(backup_samba4)

24
tisbackup.py
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@ -17,32 +17,10 @@
# along with TISBackup. If not, see <http://www.gnu.org/licenses/>.
#
# -----------------------------------------------------------------------
import os
import datetime
import subprocess
from iniparse import ConfigParser
from optparse import OptionParser
import re
import sys
import getopt
import os.path
import logging
from libtisbackup.common import *
from libtisbackup.backup_mysql import backup_mysql
from libtisbackup.backup_rsync import backup_rsync
from libtisbackup.backup_rsync import backup_rsync_ssh
from libtisbackup.backup_oracle import backup_oracle
from libtisbackup.backup_rsync_btrfs import backup_rsync_btrfs
from libtisbackup.backup_rsync_btrfs import backup_rsync__btrfs_ssh
from libtisbackup.backup_pgsql import backup_pgsql
from libtisbackup.backup_xva import backup_xva
from libtisbackup.backup_vmdk import backup_vmdk
from libtisbackup.backup_switch import backup_switch
from libtisbackup.backup_null import backup_null
from libtisbackup.backup_xcp_metadata import backup_xcp_metadata
from libtisbackup.copy_vm_xcp import copy_vm_xcp
from libtisbackup.backup_sqlserver import backup_sqlserver
from libtisbackup.common import *
usage="""\
%prog -c configfile action