def _GetMasterInfo():
"""Retrieve the job id from the master process
This also closes standard input/output
@rtype: int
"""
logging.debug("Reading job id from the master process")
logging.debug("Opening transport over stdin/out")
with contextlib.closing(transport.FdTransport((0, 1))) as trans:
job_id = int(trans.Call(""))
logging.debug("Got job id %d", job_id)
return job_id
def _GetMasterInfo():
"""Retrieves the job id and lock file name from the master process
This also closes standard input/output
"""
logging.debug("Opening transport over stdin/out")
with contextlib.closing(transport.FdTransport((0, 1))) as trans:
logging.debug("Reading job id from the master process")
job_id = int(trans.Call(""))
logging.debug("Got job id %d", job_id)
logging.debug("Reading the livelock name from the master process")
livelock_name = livelock.LiveLockName(trans.Call(""))
logging.debug("Got livelock %s", livelock_name)
return (job_id, livelock_name)
def _GetMasterInfo():
"""Retrieve job id, lock file name and secret params from the master process
This also closes standard input/output
@rtype: (int, string, json encoding of a list of dicts)
"""
logging.debug("Opening transport over stdin/out")
with contextlib.closing(transport.FdTransport((0, 1))) as trans:
logging.debug("Reading job id from the master process")
job_id = int(trans.Call(""))
logging.debug("Got job id %d", job_id)
logging.debug("Reading the livelock name from the master process")
livelock_name = livelock.LiveLockName(trans.Call(""))
logging.debug("Got livelock %s", livelock_name)
logging.debug("Reading secret parameters from the master process")
secret_params = trans.Call("")
logging.debug("Got secret parameters.")
return (job_id, livelock_name, secret_params)
def _SetupJob():
"""Setup the process to execute the job
Retrieve the job id from argv, create a livelock and pass it to the master
process and finally obtain any secret parameters.
This also closes standard input/output.
@rtype: (int, string, json encoding of a list of dicts)
"""
job_id = int(sys.argv[1])
ts = time.time()
llock = livelock.LiveLock("job_%06d" % job_id)
logging.debug("Opening transport over stdin/out")
with contextlib.closing(transport.FdTransport((0, 1))) as trans:
logging.debug("Sending livelock name to master")
trans.Call(llock.GetPath()) # pylint: disable=E1101
logging.debug("Reading secret parameters from the master process")
secret_params = trans.Call("") # pylint: disable=E1101
logging.debug("Got secret parameters.")
return (job_id, llock, secret_params)