coprhd_blockdevice.py 文件源码

def detach_volume(self, blockdevice_id):
        """
        :param: volume id = blockdevice_id
        :raises: unknownvolume exception if not found
        """
        try:
         dataset_id = UUID(blockdevice_id[6:])
        except ValueError:
         raise UnknownVolume(blockdevice_id)
        volumesdetails = self.coprhdcli.get_volume_details("flocker-{}".format(dataset_id))
        if not volumesdetails:
         raise UnknownVolume(blockdevice_id)
        if volumesdetails[volumesdetails.keys()[0]]['attached_to'] is not None:
         Message.new(Info="coprhd detach_volume" + str(blockdevice_id)).write(_logger)
         dataset_id = UUID(blockdevice_id[6:])
         self.coprhdcli.unexport_volume("flocker-{}".format(dataset_id))
        else:
            Message.new(Info="Volume" + blockdevice_id + "not attached").write(_logger)
            raise UnattachedVolume(blockdevice_id)