import sys
import rados
import rbd

if len(sys.argv) < 3:
    print 'Usage: pool image snapshot'
    exit(1)

pool = sys.argv[1]
img = sys.argv[2]

snapshot = None
if len(sys.argv) == 4:
    snapshot = sys.argv[3]
print 'Using pool %s, image %s, snapshot %s' % (pool, img, snapshot)
conn = rados.Rados(conffile='/etc/ceph/ceph.conf', rados_id='glance')
conn.connect()
vms = conn.open_ioctx(pool)
image = rbd.Image(vms, img, snapshot=snapshot)
image.close()
vms.close()
conn.shutdown()
print 'made it to the end'