#!/usr/bin/python
import os,sys,getopt
#systemctl list-units --type=service --state=active

SCRIPT='get_osd_by_host.py'

def help():
  print '%s -m <hostname>'%SCRIPT
  print '%s -h'%SCRIPT

def main(argv):
   print argv
   try:
      opts, args = getopt.getopt(argv,"hm:",["machine="])
   except getopt.GetoptError:
      help()
      sys.exit(2)
   for opt, arg in opts:
      if opt == '-h':
         help()
         sys.exit()
      elif opt in ("-m", "--machine"):
         machine = arg
         cmd = os.popen("ssh %s systemctl list-units --type=service --state=active | grep ceph-osd | awk '{print $1}'"%machine).read()
         services = cmd.split("\n")
         services = services[0:-1]
         for i in services:
           print (i.split(".")[0]).split("@")[-1]
         
      else:
        help()
        sys.exit()

if __name__ == "__main__":
   main(sys.argv[1:])