CentOS中管理vsftpd虚拟用户脚本

[root@itchenyi-1 ~]# ./vsftpd_auto_user.py delete chenyi    #删除用户

[root@itchenyi-1 ~]# ./vsftpd_auto_user.py       #使用方法
warning:>> syntax error
example : ./vsftpd.py {create|disable|enable|passwd|delete} {username}
example : ./vsftpd.py create username

#Des : auto add,delete,enable,disable user and change user's password

import sys,os,commands
USERFILE = "/etc/vsftpd/passwd.file"
USERFILEDB = "/etc/vsftpd/ftpuser_passwd.db"
VIRTUALFILE = "/etc/vsftpd/user_config"
TEMPLATEFILE = "/etc/vsftpd/template_file"
FTPROOT = "/vsftptest"
FTPENTITYUSER = "chenyi"
SYNTAXERROR = """warning:>> syntax error
example : ./vsftpd.py {create|disable|enable|passwd|delete} {username}
example : ./vsftpd.py create usernamen"""

try:
 PARAM = sys.argv[1]
 USERNAME = sys.argv[2]
except:
 print SYNTAXERROR
 exit()

def check_username_exist():
 DESTPATH = os.path.exists(r'%s'%USERFILE)
 if DESTPATH == False:
  print "%s not exitstnnP.S:nYou can create this file to solve the problem" %USERFILE
  exit()
 else:
  EN,SN = commands.getstatusoutput("sed -n 'p;n' %s | grep -w %s | wc -l" %(USERFILE,USERNAME))
  if not(SN) == '0':
   print "User %s ALREADY exist!" %USERNAME
   exit()