def convert(logfile, tmpdir, opts='', prefix=None):
'''
Copy log file to the local staging area.
:param logfile: Path of log file.
:param tmpdir : Path of local staging area.
:param opts : A set of options for the `cp` command.
:param prefix : If `prefix` is specified, the file name will begin with that;
otherwise, a default `prefix` is used.
:returns : Path of log file in local staging area.
:rtype : ``str``
'''
logger = logging.getLogger('SPOT.INGEST.PROXY.PROCESS')
with tempfile.NamedTemporaryFile(prefix=prefix, dir=tmpdir,
delete=False) as fp:
command = COMMAND.format(opts, logfile, fp.name)
logger.debug('Execute command: {0}'.format(command))
Util.popen(command, raises=True)
return fp.name
def convert(netflow, tmpdir, opts='', prefix=None):
'''
Convert `nfcapd` file to a comma-separated output format.
:param netflow : Path of binary file.
:param tmpdir : Path of local staging area.
:param opts : A set of options for `nfdump` command.
:param prefix : If `prefix` is specified, the file name will begin with that;
otherwise, a default `prefix` is used.
:returns : Path of CSV-converted file.
:rtype : ``str``
:raises OSError: If an error occurs while executing the `nfdump` command.
'''
logger = logging.getLogger('SPOT.INGEST.FLOW.PROCESS')
with tempfile.NamedTemporaryFile(prefix=prefix, dir=tmpdir,
delete=False) as fp:
command = COMMAND.format(netflow, opts, fp.name)
logger.debug('Execute command: {0}'.format(command))
Util.popen(command, raises=True)
return fp.name