Re: [Qemu-devel] Non-flat command line option argument syntax

[Eric Blake <eblake@redhat.com>]

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On 02/02/2017 01:42 PM, Markus Armbruster wrote:

quick comment before I reply to the overall message...


> Arbitrary nesting with dotted key convention:
> 
>     -drive driver=qcow2,file.driver=gluster,
>            file.volume=testvol,file.path=/path/a.qcow2,file.debug=9,
>            file.server.0.type=tcp,
>            file.server.0.host=1.2.3.4,
>            file.server.0.port=24007,
>            file.server.1.type=unix,
>            file.server.1.socket=/var/run/glusterd.socket

> 
> Lines broken and indented for legibility; you need to join them for
> actual use.  Once you do, both variants are basically illegible. 

It should be relatively simple to tweak QemuOpts to support:

-drive 'driver=qcow2,
        file.driver=gluster,
        file....'

where all whitespace after comma is ignored, with a nice effect of much
more legibility in long command lines.  I might just submit a patch for
that, regardless of what else we do to get rid of QemuOpts.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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