'Starts a created guest.
:param pause: Indicates whether to start and pause the guest'

def launch(self, pause=False):

    flags = ((pause and libvirt.VIR_DOMAIN_START_PAUSED) or 0)
    try:
        return self._domain.createWithFlags(flags)
    except Exception:
        with excutils.save_and_reraise_exception():
            LOG.error('Error    launching    a    defined    domain    with    XML:    %s', self._encoded_xml, errors='ignore')
