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Re: [virt-tools-list] [PATCH v2] virt-clone:update the VNC handling information when cloning



On 03/29/2012 09:27 PM, Cole Robinson wrote:

> On 03/27/2012 08:43 PM, Wanlong Gao wrote:
>> Assume you set port='5900' and no autoport.
>> Then, copied guest's vnc will have the same port with the orignal.
>> If one of them started, another can't get vnc.
>>
>> So, if you find 'port=xxxx' in the orignal xml, you should modify it as autoport
>> with some warning. Then, you can run both of guests at once.
>>
>> Suggested-by: KAMEZAWA Hiroyuki <kamezawa hiroyu jp fujitsu com>
>> Signed-off-by: Wanlong Gao <gaowanlong cn fujitsu com>
>> ---
>>  virtinst/CloneManager.py |    5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/virtinst/CloneManager.py b/virtinst/CloneManager.py
>> index ff3c074..5953b41 100644
>> --- a/virtinst/CloneManager.py
>> +++ b/virtinst/CloneManager.py
>> @@ -441,6 +441,11 @@ class CloneDesign(object):
>>          self._guest.name = self._clone_name
>>          self._guest.uuid = self._clone_uuid
>>          self._clone_mac.reverse()
>> +        if self._guest.graphics_dev and self._guest.graphics_dev.port and \
>> +           self._guest.graphics_dev.port != -1:
>> +            logging.warn(_("Setting the graphics device port to autoport, "
>> +                           "in order to avoid conflicting."))
>> +            self._guest.graphics_dev.port = -1
>>          for iface in self._guest.get_devices("interface"):
>>              iface.target_dev = None
>>  
> 
> This still doesn't handle multiple <graphics> devices. You want to do
> 
> for dev in guest.get_devices("graphics"):
>   ...
> 
> Also, use this diff in the testsuite to actually verify your change:
> 
> diff --git a/tests/clone-xml/general-cfg-in.xml b/tests/clone-xml/general-cfg-in
> index 799f81e..b3ab912 100644
> --- a/tests/clone-xml/general-cfg-in.xml
> +++ b/tests/clone-xml/general-cfg-in.xml
> @@ -37,5 +37,6 @@
>      </interface>
>      <input type='mouse' bus='ps2'/>
>      <graphics type='vnc' port='-1' autoport='yes' listen='127.0.0.1'/>
> +    <graphics type='vnc' port='5905'/>
>    </devices>
>  </domain>
> 
> You'll also need to edit tests/clone-xml/general-cfg-out.xml for the final output.


But I saw that the VM doesn't allow muti-graphic device, right?

Thanks,
Wanlong Gao

> 
> - Cole
> 



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