new_contents: #!/usr/bin/env python
  import os
  import sys, getopt
  
  
  def main(argv):
     inputfile = ''
     outputfile = ''
     try:
        opts, args = getopt.getopt(argv,"hi:o:",["ifile=","ofile="])
     except getopt.GetoptError:
        print 'test.py -i <inputfile> -o <outputfile>'
        sys.exit(2)
     for opt, arg in opts:
        if opt == '-h':
           print 'test.py -i <inputfile> -o <outputfile>'
           sys.exit()
        elif opt in ("-i", "--ifile"):
           inputfile = arg
        elif opt in ("-o", "--ofile"):
           outputfile = arg
     print ("rsync -avhP -e ssh {} slave1.dream:{}". format(inputfile,outputfile))
     # os.system("rsync -avhP -e ssh {} slave1.dream:{}". format(inputfile,outputfile))
     # os.system("rsync -avhP -e ssh {} slave2.dream:{}". format(inputfile,outputfile))
     # os.system("rsync -avhP -e ssh {} slave3.dream:{}". format(inputfile,outputfile))
     # os.system("rsync -avhP -e ssh {} zookeeper.dream:{}". format(inputfile,outputfile))
  
  if __name__ == "__main__":
     main(sys.argv[1:])
  
subject: add rsync tool