Re: [ovirt-devel] [ovirt-users] Ovirt 4.1 USB Api problems

[Michal Skrivanek]

adding the list back for future reference

Hi,

this is most probably a bug being tracked as
https://bugzilla.redhat.com/attachment.cgi?id=1260877 
. The fix is
merged but not yet released.

A workaround could be re-adjusting of usb settings ofter VM creation
by a separate updating request.

Regards
Jakub

> On 16 Mar 2017, at 11:49, Michal Skrivanek  
> wrote:
> 
> 
>> On 16 Mar 2017, at 11:38, Adolfo  wrote:
>> 
>> Hi,
>> 
>> I don't know if this is the correct place for this question (i hope it is  
>> ;-) ).
>> 
>> We are trying to make "enable USB support" work with a machine created from 
>> python ovirtsdk4 api,
>> 
>> here is the code:
>> 
>>   cluster = ovirt.types.Cluster(id=six.binary_type(clusterId))
>>   template = ovirt.types.Template(id=six.binary_type(templateId))
>>   if usbType in ('native', 'legacy'):
>>   usb = ovirt.types.Usb(enabled=True, 
>> type=ovirt.types.UsbType.NATIVE if usbType == 'native' else 
>> ovirt.types.UsbType.LEGACY)
> 
> legacy is no longer supported in 4.0 (and not needed/useful since 3.6 already)
> 
>>   else:
>>   usb = ovirt.types.Usb(enabled=False)
>> 
>>   memoryPolicy = ovirt.types.MemoryPolicy(guaranteed=guaranteedMB * 
>> 1024 * 1024)
>>   par = ovirt.types.Vm(name=name, cluster=cluster, 
>> template=template, description=comments,
>> type=ovirt.types.VmType.DESKTOP, memory=memoryMB * 1024 * 1024, 
>> memory_policy=memoryPolicy,
>>   usb=usb)  # display=display,
>> 
>>   return api.system_service().vms_service().add(par).id
>> 
>> 
>> The cuestion is that the machines gets correctly created, but when we try to 
>> start the machine, we get an this error (extract from vdsm):
>> 
>> Traceback (most recent call last):
>> File "/usr/share/vdsm/virt/vm.py", line 552, in _startUnderlyingVm
>>   self._run()
>> File "/usr/share/vdsm/virt/vm.py", line 1994, in _run
>>   self._connection.createXML(domxml, flags),
>> File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 123, 
>> in wrapper
>>   ret = f(*args, **kwargs)
>> File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 941, in wrapper
>>   return func(inst, *args, **kwargs)
>> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3784, in createXML
>>   if ret is None:raise libvirtError('virDomainCreateXML() failed', conn=self)
>> libvirtError: Error XML: Duplicate USB controllers with index 0
>> 
>> The question is, that if to this machine we have created, from 
>> administration interface, remove an add support for usb, the machine works, 
>> and the generated XML differs:
>> 
>> This is the difference we have found:
>> 
>> < 
>> < > type="pci" />
>> < 
>> 40a38
>>>>> type="pci" />
>> 
>> The "<" are from the non working (created from API call), and the ">" are 
>> same machine after disabling and enabling again "usb support".
>> 
>> Is this a bug?, if not, ¿How is supposed to be enabled USB support from API 
>> on VM  Creation?,
>> 
>> By the way, the equivalent code for oVirt 3.x was working without problems, 
>> the problems arises from 4.0 onwards.
> 
> Sounds like bug, adding Jakub
> 
>> 
>> 
>> Sorry for the inconveniences, and thank in advance for any help,
>> 
>> 
>> Adolfo Gómez
>> 
>> ___
>> Users mailing list
>> us...@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
> 

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Re: [ovirt-devel] [ovirt-users] Ovirt 4.1 USB Api problems

[Michal Skrivanek]

> On 16 Mar 2017, at 11:38, Adolfo  wrote:
> 
> Hi,
> 
> I don't know if this is the correct place for this question (i hope it is  
> ;-) ).
> 
> We are trying to make "enable USB support" work with a machine created from 
> python ovirtsdk4 api,
> 
> here is the code:
> 
>cluster = ovirt.types.Cluster(id=six.binary_type(clusterId))
>template = ovirt.types.Template(id=six.binary_type(templateId))
>if usbType in ('native', 'legacy'):
>usb = ovirt.types.Usb(enabled=True, 
> type=ovirt.types.UsbType.NATIVE if usbType == 'native' else 
> ovirt.types.UsbType.LEGACY)

legacy is no longer supported in 4.0 (and not needed/useful since 3.6 already)

>else:
>usb = ovirt.types.Usb(enabled=False)
> 
>memoryPolicy = ovirt.types.MemoryPolicy(guaranteed=guaranteedMB * 
> 1024 * 1024)
>par = ovirt.types.Vm(name=name, cluster=cluster, 
> template=template, description=comments,
> type=ovirt.types.VmType.DESKTOP, memory=memoryMB * 1024 * 1024, 
> memory_policy=memoryPolicy,
>usb=usb)  # display=display,
> 
>return api.system_service().vms_service().add(par).id
> 
> 
> The cuestion is that the machines gets correctly created, but when we try to 
> start the machine, we get an this error (extract from vdsm):
> 
> Traceback (most recent call last):
>  File "/usr/share/vdsm/virt/vm.py", line 552, in _startUnderlyingVm
>self._run()
>  File "/usr/share/vdsm/virt/vm.py", line 1994, in _run
>self._connection.createXML(domxml, flags),
>  File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 123, 
> in wrapper
>ret = f(*args, **kwargs)
>  File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 941, in wrapper
>return func(inst, *args, **kwargs)
>  File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3784, in createXML
>if ret is None:raise libvirtError('virDomainCreateXML() failed', conn=self)
> libvirtError: Error XML: Duplicate USB controllers with index 0
> 
> The question is, that if to this machine we have created, from administration 
> interface, remove an add support for usb, the machine works, and the 
> generated XML differs:
> 
> This is the difference we have found:
> 
> < 
> <  type="pci" />
> < 
> 40a38
> >  > type="pci" />
> 
> The "<" are from the non working (created from API call), and the ">" are 
> same machine after disabling and enabling again "usb support".
> 
> Is this a bug?, if not, ¿How is supposed to be enabled USB support from API 
> on VM  Creation?,
> 
> By the way, the equivalent code for oVirt 3.x was working without problems, 
> the problems arises from 4.0 onwards.

Sounds like bug, adding Jakub

> 
> 
> Sorry for the inconveniences, and thank in advance for any help,
> 
> 
> Adolfo Gómez
> 
> ___
> Users mailing list
> us...@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users

___
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