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

[Dan Kenigsberg]

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.