blackout.py 文件源码

def _blackout_server(zkclient, server, reason):
    """Blackout server."""
    if not reason:
        raise click.UsageError('--reason is required.')

    path = z.path.blackedout_server(server)
    zkutils.ensure_exists(
        zkclient,
        path,
        acl=[zkutils.make_host_acl(server, 'rwcda')],
        data=str(reason)
    )
    presence.kill_node(zkclient, server)