Re: [PATCH 18/18] qemu_domain: remove all listens if vncAutoUnixSocket is enabled

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On 04/09/2016 05:23 PM, Pavel Hrdina wrote:
> On Fri, Apr 08, 2016 at 01:40:21PM -0400, Cole Robinson wrote:
>> On 04/04/2016 09:20 AM, Pavel Hrdina wrote:
>>> If in qemu.conf vncAutoUnixSocket is enabled remove all other listens
>>> parsed from XML config.
>>>
>>> Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
>>
>> Sorry I should have read further before commenting on patch #15 :)
>>
>> This isn't in line with how we handle qemu.conf vnc_listen, which is 'only use
>> the qemu.conf setting if the user doesn't specify any explicit <listen> config'
>>
>> I think that's the more sensible behavior so I'd rather see the code fixed to
>> abide that instead. So, the change I suggested in patch #15, but maybe it
>> needs fixes elsewhere too
> 
> I dislike this behavior too, but I'm not sure whether we can change it or no
> since it was already released and someone can count on it and libvirt has a rule
> that we don't change anything.  My intention in the following patches is to make
> the address/socket attribute of listen elements optional and if only
> <listen type='address'/> is present libvirt will use a config address and for
> <listen type='socket'/> libvirt will auto-generate the socket path.  The
> qemu.conf will be used only to force all graphics to use only socket if that
> option is specified.
> 

I think this is a perfectly acceptable thing to change behavior for. I really
doubt anyone is dependent on libvirt's behavior of throwing out other
graphical config and forcing the socket bits, and this change would unify
behavior with vnc_listen. Plus in my mind it's much more intuitive

- Cole

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