Python结合rsync实现指定格式文件精确同步方案

# coding: utf-8
#!/usr/bin/env python
'''
updatedb更新本地服务器指定目录/home/upload/de locate.dbz数据库
然后locate命令正则查找符合条件的文件并将文件名输出到locate.src
通过paramiko模块得到远程服务器符合条件的文件并将文件名输出到locate.dst
比较这两个文件得到locate.diff，最好rsync命令同步locate.diff列表中的文件
到远程服务器
'''
import paramiko
import commands
import os
import logging
logging.basicConfig(level=logging.DEBUG,
          format='%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s',
          datefmt='%Y-%m-%d %H:%M:%S',
          filename='/var/log/upload_to_chengdu.log',
          filemode='a')
logging.info("###################################################################")
hostname = '8.8.8.8'
username = 'username'
password = 'password'
port = 22
locate_lists = ['/tmp/locate.src', '/tmp/locate.dst', '/tmp/locate.diff']
dict_path = {'locate_lists': locate_lists, 'dst_db': '/tmp/locate.db',
       'src_db': '/tmp/locate.db', 'dst_path': '/logs/rsync_log/',
       'src_path': '/home/upload/', 'passwd_file': '/etc/rsync.pas'}
def check_file():
  for l in dict_path['locate_lists']:
    if os.path.exists(l):
      commands.getstatusoutput('sudo rm %s' % l)
def get_dst_list():
  s = paramiko.SSHClient()
  s.set_missing_host_key_policy(paramiko.AutoAddPolicy())
  s.connect(hostname=hostname, port=port, username=username, password=password)
  cmd_create = "sudo updatedb -U %s -o %s && sudo locate -d %s --regex '.*[0-9]{4}([-]{0,1}[0-9]{2}){2}\..*gz$' >>%s" % (
    dict_path['dst_path'], dict_path['dst_db'], dict_path['dst_db'], dict_path['locate_lists'][1])
  cmd_delete = 'sudo rm ' + dict_path['locate_lists'][1]
  stdin, stdout, stderr = s.exec_command(cmd_create)
  # print stdout.read()
  try:
    t = paramiko.Transport((hostname, port))
    t.connect(username=username, password=password)
    sftp = paramiko.SFTPClient.from_transport(t)
    sftp.get(dict_path['locate_lists'][1], dict_path['locate_lists'][1])
    t.close()
  except Exception, e:
    print e
  stdin, stdout, stderr = s.exec_command(cmd_delete)
  s.close()
def get_src_list():
  cmd = "sudo updatedb -U %s -o %s && sudo locate -d %s --regex '.*[0-9]{4}([-]{0,1}[0-9]{2}){2}\..*gz$' >>%s" % (
    dict_path['src_path'], dict_path['src_db'], dict_path['src_db'], dict_path['locate_lists'][0])
  commands.getstatusoutput(cmd)
def cmp_diff():
  f1 = open(dict_path['locate_lists'][0], 'r')
  f2 = open(dict_path['locate_lists'][1], 'r')
  f3 = open(dict_path['locate_lists'][2], 'a')
  x = f1.readlines()
  y = f2.readlines()
  f1.close()
  f2.close()
  for i in x:
    j = dict_path['dst_path'] + i[13:]
    if j not in y:
      f3.writelines(i)
  f3.close()
def rsync_file():
  f = open(dict_path['locate_lists'][2], 'r')
  for i in f.readlines():
    cmd = 'cd %s && sudo rsync -Rvz %s upload@%s::aliyun_log --password-file=%s' % (
      dict_path['src_path'], i.strip('\n')[13:], hostname, dict_path['passwd_file'])
    logging.info(cmd)
    commands.getstatusoutput(cmd)
  f.close()
def del_locate_file():
  cmd = 'sudo rm {%s,%s,%s}' % (dict_path['locate_lists'][1], dict_path['locate_lists'][0], dict_path['locate_lists'][2])
  commands.getstatusoutput(cmd)
if __name__ == '__main__':
  check_file()
  get_dst_list()
  get_src_list()
  cmp_diff()
  rsync_file()
  del_locate_file()