rbd_write.py

gistfile1.py

import rbd
import rados
import sys
argvs = sys.argv

tgt=argvs[1]
char=argvs[2]
size=argvs[3]
offset=argvs[4]

cluster = rados.Rados(conffile='/etc/ceph/ceph.conf')
try:
    cluster.connect()
    ioctx = cluster.open_ioctx('rbd')
    if offset == "0":
        try:
            rbd_inst = rbd.RBD()
            dsize= 1024**2 * int(size )
            #rbd_inst.create(ioctx, tgt , dsize, None, False)
            data= char * dsize
            image = rbd.Image(ioctx, tgt)
            try:
                image.write(data,0)
            finally:
                image.close()
        finally:
            ioctx.close()
    else :
        try:
            image = rbd.Image(ioctx, tgt)
            data=char*int(size)
            try:
                image.write(data,int(offset))
            finally:
                image.close()

        finally:
            ioctx.close()
finally:
    cluster.shutdown()