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

[Joop]

Osier Yang wrote:
> 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.
Re-installed two other hosts in the same manner using libvirt-0.10.1-2 
from the danken repo and both work.
Will keep on eye on libvirt to see when this is fixed and then try an 
upgrade.

Thanks,

Joop