import rados
import rbd
import pdb
import ctypes
from ctypes import *

# start python debug
pdb.set_trace()

#init rados instance & connect cluster
my_rados = rados.Rados(conffile='/etc/ceph/ceph.conf')
my_rados.connect()

#open named pool
ioctx_name = 'test_pool_1'
ioctx = my_rados.open_ioctx(ioctx_name)

#open named image
image_name = 'image_3'
image = rbd.Image(ioctx, image_name)