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



On 03/29/2012 10:03 PM, Cole Robinson wrote:

> On 03/29/2012 09:59 AM, Wanlong Gao wrote:
>> 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?
>>
> 
> qemu might not, but some hypervisors allow it, so it's a theoretically
> possible situation.


Oh, I see, my brain was limited, I'll follow your suggestions.

Thanks Cole,
Wanlong Gao

> 
> Thanks,
> Cole
> 



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