[ovirt-devel] Re: Hosts in Unassigned state after upgrading libvirt to 4.9
Nir Soffer <nsoffer(a)redhat.com> writes:
On Mon, Nov 26, 2018 at 10:15 PM Nir Soffer
<nsoffer(a)redhat.com> wrote:
> I updated 2 Fedora 28 hosts today, getting new ovirt-master-release.rpm,
> which exposes new virt-preview repo providing libvirt 4.9 and qemu 3.1.
>
> After the update, connecting with engine master (built few week ago) fail
> with:
>
> 2018-11-26 22:07:51,702+02 WARN
> [org.ovirt.engine.core.vdsbroker.vdsbroker.GetCapabilitiesAsyncVDSCommand]
> (EE-ManagedThreadFactory-engineScheduled-Thread-94) [] Unexpected return
> value: Status [code=-32603, message=Internal JSON-RPC error: {'reason':
> "[Errno 2] No such file or directory:
'/usr/share/libvirt/cpu_map.xml'"}]
>
> Looks like contents of /usr/share/libvirt/ is different now:
>
> $ ls -1 /usr/share/libvirt/cpu_map/*.xml | head
> /usr/share/libvirt/cpu_map/index.xml
> /usr/share/libvirt/cpu_map/ppc64_POWER6.xml
> /usr/share/libvirt/cpu_map/ppc64_POWER7.xml
> /usr/share/libvirt/cpu_map/ppc64_POWER8.xml
> /usr/share/libvirt/cpu_map/ppc64_POWER9.xml
> /usr/share/libvirt/cpu_map/ppc64_POWERPC_e5500.xml
> /usr/share/libvirt/cpu_map/ppc64_POWERPC_e6500.xml
> /usr/share/libvirt/cpu_map/ppc64_vendors.xml
> /usr/share/libvirt/cpu_map/x86_486.xml
> /usr/share/libvirt/cpu_map/x86_athlon.xml
>
Looks like vdsm is not ready for this change:
Hm, so libvirt changed from a file to a directory structure. The
corresponding Vdsm code is apparently virt, so it would be on me or
Tomasz. In order to fix it, it must be scheduled to some sprint.
Adding Ryan.
> $ git grep cpu_map.xml
> lib/vdsm/machinetype.py:CPU_MAP_FILE = '/usr/share/libvirt/cpu_map.xml'
> tests/Makefile.am: cpu_map.xml \
> tests/caps_test.py: 'cpu_map.xml')
> tests/cpu_map.xml:<!-- Taken from /usr/share/libvirt/cpu_map.xml
> vdsm.spec.in:%{_datadir}/%{vdsm_name}/tests/cpu_map.xml
> vdsm_hooks/cpuflags/before_vm_start.py:guest OS. Feature names can be found
> in /usr/share/libvirt/cpu_map.xml.
> [nsoffer@lean vdsm (master)]$ git grep cpu_map
> lib/vdsm/machinetype.py:CPU_MAP_FILE = '/usr/share/libvirt/cpu_map.xml'
> lib/vdsm/machinetype.py: cpu_map = ET.fromstring(xml.read())
> lib/vdsm/machinetype.py: arch_elements = cpu_map.findall('arch')
> tests/Makefile.am: cpu_map.xml \
> tests/caps_test.py: 'cpu_map.xml')
> tests/cpu_map.xml:<!-- Taken from /usr/share/libvirt/cpu_map.xml
> vdsm.spec.in:%{_datadir}/%{vdsm_name}/tests/cpu_map.xml
> vdsm_hooks/cpuflags/before_vm_start.py:guest OS. Feature names can be found
> in /usr/share/libvirt/cpu_map.xml.
>
> And I cannot find any related patch on gerrit.