#!/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__
import datetime
import base64
import os
from common import *
class backup_sqlserver(backup_generic):
"""Backup a SQLSERVER database as gzipped sql file through ssh"""
type = 'sqlserver+ssh'
required_params = backup_generic.required_params + ['db_name','private_key']
optional_params = ['username', 'remote_backup_dir', 'sqlserver_before_2005', 'db_server_name', 'db_user', 'db_password']
db_name=''
db_user=''
db_password=''
userdb = "-E"
username='Administrateur'
remote_backup_dir = r'c:/WINDOWS/Temp/'
sqlserver_before_2005 = False
db_server_name = "localhost"
def do_backup(self,stats):
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.logger.debug('[%s] Connecting to %s with user root and key %s',self.backup_name,self.server_name,self.private_key)
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(self.server_name,username=self.username,pkey=mykey, port=self.ssh_port)
t = datetime.datetime.now()
backup_start_date = t.strftime('%Y%m%d-%Hh%Mm%S')
backup_file = self.remote_backup_dir + '/' + self.db_name + '-' + backup_start_date + '.bak'
if not self.db_user == '':
self.userdb = '-U %s -P %s' % ( self.db_user, self.db_password )
# dump db
stats['status']='Dumping'
if self.sqlserver_before_2005:
cmd = """osql -E -Q "BACKUP DATABASE [%s]
TO DISK='%s'
WITH FORMAT" """ % ( self.db_name, backup_file )
else:
cmd = """sqlcmd %s -S "%s" -d master -Q "BACKUP DATABASE [%s]
TO DISK = N'%s'
WITH INIT, NOUNLOAD ,
NAME = N'Backup %s', NOSKIP ,STATS = 10, NOFORMAT" """ % (self.userdb, self.db_server_name, self.db_name, backup_file ,self.db_name )
self.logger.debug('[%s] Dump DB : %s',self.backup_name,cmd)
try:
if not self.dry_run:
(error_code,output) = ssh_exec(cmd,ssh=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))
# zip the file
stats['status']='Zipping'
cmd = 'gzip "%s"' % backup_file
self.logger.debug('[%s] Compress backup : %s',self.backup_name,cmd)
if not self.dry_run:
(error_code,output) = ssh_exec(cmd,ssh=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 = backup_file + '.gz'
localpath = os.path.join(self.backup_dir , self.db_name + '-' + backup_start_date + '.bak.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 = 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['written_files_count']=1
stats['total_bytes']=os.stat(localpath).st_size
stats['written_bytes']=os.stat(localpath).st_size
stats['log']='gzip dump of DB %s:%s (%d bytes) to %s' % (self.server_name,self.db_name, stats['written_bytes'], localpath)
stats['backup_location'] = localpath
finally:
stats['status']='RMTemp'
cmd = 'rm -f "%s" "%s"' % ( backup_file + '.gz', backup_file )
self.logger.debug('[%s] Remove temp gzip : %s',self.backup_name,cmd)
if not self.dry_run:
(error_code,output) = ssh_exec(cmd,ssh=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('^%s-(?P<date>\d{8,8}-\d{2,2}h\d{2,2}m\d{2,2}).bak.gz$' % self.db_name)
for item in filelist:
sr = p.match(item)
if sr:
file_name = os.path.join(self.backup_dir,item)
start = datetime.datetime.strptime(sr.groups()[0],'%Y%m%d-%Hh%Mm%S').isoformat()
if not file_name in registered:
self.logger.info('Registering %s from %s',file_name,fileisodate(file_name))
size_bytes = int(os.popen('du -sb "%s"' % file_name).read().split('\t')[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=fileisodate(file_name),status='OK',total_bytes=size_bytes,backup_location=file_name)
else:
self.logger.info('Skipping %s from %s, already registered',file_name,fileisodate(file_name))
register_driver(backup_sqlserver)