def unmount_tape(robot, slot, drive):
"""
Unmounts tape from drive into slot
Args:
robot: The device used to unmount the tape
slot: Which slot to unload to
drive: Which drive to load from
"""
cmd = 'mtx -f %s unload %d %d' % (robot, slot, drive)
p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
logger.debug('Unmounting tape from {drive} to {slot} using {robot}: {cmd}'.format(drive=drive, slot=slot, robot=robot, cmd=cmd))
out, err = p.communicate()
if p.returncode:
if re.match('Data Transfer Element \d+ is Empty', err):
logger.warn('Tried to unmount already unmounted tape from {drive} to {slot} using {robot}'.format(drive=drive, slot=slot, robot=robot))
raise TapeUnmountedError(err)
logger.error('Failed to unmount tape from {drive} to {slot} using {robot}, err: {err}, returncode: {rcode}'.format(drive=drive, slot=slot, robot=robot, err=err, rcode=p.returncode))
raise RobotUnmountException('%s, return code: %s' % (err, p.returncode))
logger.info('Unmounted tape from {drive} to {slot} using {robot}'.format(drive=drive, slot=slot, robot=robot))
return out
def unmount_tape(robot, slot, drive):
"""
Unmounts tape from drive into slot
Args:
robot: The device used to unmount the tape
slot: Which slot to unload to
drive: Which drive to load from
"""
cmd = 'mtx -f %s unload %d %d' % (robot, slot, drive)
p = Popen(cmd, shell=True, stdout=PIPE, stderr=PIPE)
out, err = p.communicate()
if p.returncode:
raise RobotUnmountException('%s, return code: %s' %
(err, p.returncode))
return out