[Openstack] [openstack-dev] [kolla][ubuntu][libvirt] Is libvirt 2.5.0 in ubuntu cloud archive ocata repo bust
corey.bryant at canonical.com
Wed Mar 8 14:03:27 UTC 2017
On Tue, Mar 7, 2017 at 10:28 PM, Jeffrey Zhang <zhang.lei.fly at gmail.com>
> Kolla deploy ubuntu gate is red now. here is the related bug.
> libvirt failed to access the console.log file when booting instance. After
> made some debugging, i got following.
Jeffrey, This is likely fixed in ocata-proposed and should be promoted to
ocata-updates soon after testing completes.
# how console.log works
> nova create a empty console.log with nova:nova ( this is another bug
> workaround actually), then libvirt ( running with root ) will change the
> file owner to qemu process user/group ( configured by dynamic_ownership ).
> Now qemu process can write logs into this file.
> # what's wrong now
> libvirt 2.5.0 stop change the file owner, then qemu/libvirt failed to write
> logs into console.log file
> # other test
> * ubuntu + fallback libvirt 1.3.x works 
> * ubuntu + libvirt 2.5.0 + chang the qemu process user/group to
> nova:nova works, too.
> * centos + libvirt 2.0.0 works, never saw such issue in centos.
> # conclusion
> I guess there are something wrong in libvirt 2.5.0 with dynamic_ownership
>  https://bugs.launchpad.net/kolla-ansible/+bug/1668654
>  https://github.com/openstack/nova/blob/master/
>  https://review.openstack.org/442673
>  https://review.openstack.org/442850
> Jeffrey Zhang
> Blog: http://xcodest.me
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