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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# Copyright 2011 Justin Santa Barbara
# All Rights Reserved.
# Copyright (c) 2010 Citrix Systems, Inc.
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
import  smtplib
import  os,sys,time,fcntl,struct
import  ConfigParser
import  commands
import  traceback
import  socket
import  shutil
import  sys
import  re
try :
     from  email.mime.multipart  import  MIMEMultipart
except :
     from  email.MIMEMultipart  import  MIMEMultipart
try :
     from  email.mime.text  import  MIMEText
except :
     from  email.MIMEText  import  MIMEText
try :
     from  hashlib  import  md5
except :
     from  md5  import  md5
CONFIG_PATH  =  "/etc/rsyncd.conf"
def  _load_cfg(section  =  None ):
     '''
     load config section from CONFIG_PATH
     '''
     global  CONFIG_PATH
     config  =  ConfigParser.ConfigParser()
     if  os.path.isfile(CONFIG_PATH):
         config.read(CONFIG_PATH)
         sections  =  config.sections()
         if  section  and  section  in  sections:
             return  dict (config.items(section))
         elif  not  section:
             rst  =  dict ()
             for  sec  in  sections:
                 rst[sec]  =  dict (config.items(sec))
             return  rst
         else :
             return  dict ()
def  load_cfg(sections  =  []):
     '''
     from cfg format to dict
     :params sections The section list in cfg
     return a dict with all options
     '''
     rst  =  dict ()
     if  not  sections:
         return  _load_cfg()
     for  sec  in  sections:
         rst[sec]  =  _load_cfg(sec)
     return  rst
def  logging(item,level,mes):
     logpath  =  '/var/log/kxtools/'
     if  not  os.path.exists(logpath):
         os.makedirs(logpath)
     fp  =  open ( '%s/kxbackup.log' % logpath, 'a' )
     fp.write( '%s - %s - %s - %s \n' % (time.ctime(),item,level,mes))
     fp.close()
"""Access file md5 value"""
def  MD5(fname):
     filemd5  =  ""
     try :
         file  =  open (fname,  "rb" )
         md5f  =  md5()
         strs  =  ""
         while  True :
             strs  =  file .read( 8096 )
             if  not  strs:
                 break
             md5f.update(strs)
         filemd5  =  md5f.hexdigest()
         file .close()
         return  filemd5
     except :
         logging( 'MySQL Check' , 'ERROR' ,traceback.format_exc())
def  get_em_ipaddr(dev):
     s  =  socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
     IP  =  socket.inet_ntoa(fcntl.ioctl(
            s.fileno(),
            0x8915 ,   # SIOCGIFADDR
            struct.pack( '24s' ,dev)
     )[ 20 : 24 ])
     return  IP
def  ipaddr():
     """
     Get host name, ip
     return(hostname, ip)
     """
     def  _get_ipaddr():
         try :
             s  =  socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
             s.connect(( "8.8.8.8" ,  8000 ))
             return  s.getsockname()[ 0 ]
         except :
             logging( 'MySQL Check' , 'ERROR' ,traceback.format_exc())
         s.close()
     return  (socket.gethostname(), _get_ipaddr())
def  tracert(ip):
     count  =  0
     for  t  in  range ( 10 ):
         sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
         sock.settimeout( 10 )
         try :
             sock.connect((ip, 873 ))
             count  + =  1
         except  socket.error,e:
             pass
         time.sleep( 1 )
     if  count > =  6 :
         return  0
     else :
         return  1
class   SendMail( object ):
     def  __init__ ( self ):
         self .smtpserver  =  'smtp.163.com'
         self .fro  =  'kxbackup@163.com'
         self .c_code  =  'UTF-8'
         self .port  =  25
         self .auth  =  'kxbackup@163.com'
         self .pawd  =  '11111111@123'
     ''' Send Email'''
     def  sendmail( self ,to,subject,content,cc = '',files = []):
         msg  =  MIMEMultipart()
         msg[ 'Subject' ]  =  subject
         txt  =  MIMEText(content)
         msg.attach(txt)
         hd  =  smtplib.SMTP( self .smtpserver, self .port)
         hd.ehlo()
         hd.starttls()
         hd.ehlo()
         if  self .auth  and  self .pawd:
             hd.login( self .auth, self .pawd)
         for  t  in  to.split( "," ):
             hd.sendmail( self .fro,t, msg.as_string())
         if  cc:
             for  t  in  cc.split( "," ):
                 hd.sendmail( self .fro,t, msg.as_string())
         hd.close()
class  CheckMySQL( object ):
     def  __init__( self ):
         version  =  1.0
     def  checkRsyncConfig( self ):
         # Rsync configuration check
         fp  =  open ( '/etc/rsyncd.conf' , 'r' ).readlines()
         for  n,s  in  enumerate (fp):
             if  n  = =  0 :
                 if  s[ 0 ] ! =  '[' :
                     fp.insert( 0 , '[global]\n' )
         f  =  open ( '/etc/rsyncd.conf' , 'w' )
         f.writelines(fp)
         f.close()
     def  checkFile( self ):
         # Directory traversal, find today compared with yesterday's file
         backupPath   =  load_cfg()[ 'yttx' ][ 'path' ]
         os.chdir(backupPath)
         CTIME  =  time.strftime( '%Y%m%d' )
         files =  dict ()
         # Define the keys
         for  f  in  os.listdir(backupPath):
             stamp_time, file_kyes  =  self ._get_file_ctime(f)
             if  (time.time()  -  stamp_time) < =  86400 :
                 files[file_kyes]  =  list ()
         # According to the date of classified documents
         for  f  in  os.listdir(backupPath):
             stamp_time , file_ctime  =  self ._get_file_ctime(f)
             stamp_ctime  =  time.time()
             for  tm  in  files.keys():
                 #print file_ctime,f
                 if  tm  = =  file_ctime  and  (stamp_ctime  -  stamp_time) < =  86400 :
                     files[tm].append(f)
         # Check the file MD5
         today_file  = dict ()
         ystday_file  =  dict ()
         Ttime  =  time.strftime( "%Y%m%d" )
         Ytime  =  time.strftime( "%Y%m%d" ,time.localtime((time.time()  -  86400 )))
         for  f   in  os.listdir(backupPath):
             if  Ttime  = = f.split( '_' )[ 0 ]:
                 ip  =  f.split( '_' )[ 1 ]
                 today_file[ip] = f
             elif  Ytime  = =  f.split( '_' )[ 0 ]:
                 ip  =  f.split( '_' )[ 1 ]
                 ystday_file[ip]  =  f
             else :
                 pass
         # Read the latest IP list
         backup_list  =  '/data0/backup_mysql.txt'
         if  not  os.path.exists(backup_list):
             utils.COMM( "touch %s"  % backup_list)
         fp  =  open ( '/data0/backup_mysql.txt' , 'r' ).readlines()
         ips  =  [i.strip()  for  i  in  fp]
         fail_ip  =  list ()
         done_ip  =  list ()
         # Call Func md5
         for  ip  in  ips:
             if  ip   in  today_file:
                 if  not  self ._checkMD5(backupPath,today_file[ip]):
                     fail_ip.append(ip)
                 else :
                     done_ip.append(ip)
             else :
                 fail_ip.append(ip)
         # Determine whether is empty,
         # If not empty, calls the SendMail class
         done_mes  =  str ()
         if  done_ip:
             for  ip  in  done_ip:
                 done_mes  + =  "host %s MySQL backup is successful \n"  % ip
         done_info  =  "\nBackup Successful: \n"  +  done_mes
         ret  =  str ()
         if  fail_ip:
             for  ip  in  fail_ip:
                 ret  + =  "host %s MySQL backup is failure \n"  % ip
         mess  =  "\nPlease check the specific reason for the error \n"  +  "E-mail : 222@222.222.com, 3333@222.222.com,444@222.2222.com \n"  +  "Q Q : 11111,2222222,33333 "
         back_time  =  "\nCheck Time: %s \n"  % time.ctime()
         mes  =  done_info   +  "\nBackup Failure:\n"   +  ret  +  back_time  +   mess
         send  =  SendMail()
         # Subject
         subject  =  "MySQL Backup %s information"  % ipaddr()[ 1 ]
         cc  =  '2222@222.222.com,333@222.222.com,444@222.222.com'
         send.sendmail( 'kxbackup@163.com' ,subject,mes,cc = '')
     def  _checkMD5( self ,backupPath,files):
         file  =  backupPath  +  '/'  +  files
         try :
             md5sun  =  file .split( "_" )[ - 1 ].split( '.' )[ 0 ]
         except :
             return  False
         fmd5sun  =  MD5( file )
         if  fmd5sun   = =  md5sun:
             return  True
         else :
             return  False
     def  _get_file_ctime( self ,f):
         # return time stamp, YY-MM-DD
         st_ctime  =  os.stat(f).st_mtime
         return  st_ctime , time.strftime( '%Y%m%d' ,time.localtime(st_ctime))
     def  DeleteFile( self ):
         # Delete file from 8 day ago
         reserve  =  '/data0/reserve/'
         if  not  os.path.exists(reserve):
             os.makedirs(reserve)
         backuPath   =  load_cfg()[ 'yttx' ][ 'path' ]
         keep_file  =  list ()
         delete_file  =  list ()
         os.chdir(backuPath)
         ctimes  =  time.time()
         keep_time   =  691200
         for  f  in  os.listdir(backuPath):
             create_time  =  os.stat(f).st_ctime
             if  ctimes  -  create_time > =  keep_time:
                 try :
                     shutil.move(f,reserve)
                 except :
                     shutil.move(f, '/dev/null' )
                 logging( 'MySQL Check' , 'INFO' , "Delete file %s" % f)
if  __name__  = =  "__main__" :
     sc  =  CheckMySQL()
     sc.checkRsyncConfig()
     sc.checkFile()
     sc.DeleteFile()