[libvirt] [Users] Vdsm/libvir error during deploy

[Osier Yang]

On 2012年12月25日 00:15, Joop wrote:
> Dan Kenigsberg wrote:
>> On Mon, Dec 24, 2012 at 02:18:48PM +0100, Joop wrote:
>>
>>> Dan Kenigsberg wrote:
>>>
>>>> Which version of libvirt is installed on your host?
>>>>
>>>>
>>> libvirt-1.0.1-2.fc17.x86_64
>>> libvirt-client-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-config-network-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-config-nwfilter-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-interface-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-lxc-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-network-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-nodedev-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-nwfilter-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-qemu-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-secret-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-storage-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-uml-1.0.1-2.fc17.x86_64
>>> libvirt-daemon-driver-xen-1.0.1-2.fc17.x86_64
>>> libvirt-lock-sanlock-1.0.1-2.fc17.x86_64
>>> libvirt-python-1.0.1-2.fc17.x86_64
>>>
>>> >From virt-preview repo
>>> [fedora-virt-preview]
>>> name=Virtualization packages from Rawhide built for latest Fedora
>>> baseurl=http://fedorapeople.org/groups/virt/virt-preview/fedora-$releasever/$basearch
>>> enabled=1
>>> skip_if_unavailable=1
>>> gpgcheck=0
>>>
>>>
>>>> What is the output of the following python script on your machine? Mine
>>>> says "1". Could it be that your libvirt says "0"?
>>>>
>>>> =============
>>>>
>>>>
>>> >from vdsm import libvirtconnection
>>>
>>>> conn = libvirtconnection.get()
>>>> netXml = """<network>
>>>>   <name>test</name>
>>>>   <forward mode='passthrough'>
>>>>     <interface dev='em1'/>
>>>>   </forward>
>>>> </network>
>>>> """
>>>>
>>>> net = conn.networkDefineXML(netXml)
>>>> net.create()
>>>> print net.isPersistent()
>>>> net.destroy()
>>>> net.undefine()
>>>>
>>>>
>>>>
>>> 0
>>> libvir: Network Driver error : Network not found: no network with
>>> matching uuid
>>> Traceback (most recent call last):
>>>   File "test.py", line 16, in<module>
>>>     net.undefine()
>>>   File "/usr/lib64/python2.7/site-packages/libvirt.py", line 2154, in
>>> undefine
>>>     if ret == -1: raise libvirtError ('virNetworkUndefine() failed',
>>> net=self)
>>> libvirt.libvirtError: Network not found: no network with matching uuid
>>>
>>> So '0' :-((
>>> Suppose that error isn't good either.
>>> Should I downgrade to an earlier version of libvirt?
>>>
>>
>> Please try. My guess is that this is a libvirt bug added by
>> http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=0211fd6e04cdc402da20818df54299c6ded3d3cb
>> in libvirt 1.0.1. More authoritative answer is expected by those added
>> to the CC line.

Right, it's the regression introduced by 0211fd6e04, the new defined
network is not marked as persistent, and it's removed from the internal
maintained list by net.destroy(), that's why the error comes
("no network with matching uuid").

>>
>>
> Went back to libvirt-0.10. from the danken repo and now it works. Will
> reinstall st01 in the same way as a test.
>
> Thanks for the help and have a nice X-mas.
>
> Joop
>
>
>
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