docs: def iscsi_iqn():
      '''
      Return iSCSI IQN
      '''
      grains = {}
      grains['iscsi_iqn'] = False
      if salt.utils.platform.is_linux():
          grains['iscsi_iqn'] = _linux_iqn()
      elif salt.utils.platform.is_windows():
          grains['iscsi_iqn'] = _windows_iqn()
      elif salt.utils.platform.is_aix():
          grains['iscsi_iqn'] = _aix_iqn()
      return grains