Hi,
we're also extensively using ceph via cinder on docker (Kolla project),
but we're stuck on Pike for the missing keystone v3 support.
While cinderlib is desirable and it's a good solution for simple uses,
adding support for keystone v3 and keeping the native cinder interface
would also be good, for cases where you already have an openstack
infrastructure available and you want to manage a storage system from a
single place. The other reason to keep the current solution, at least
for now, is what Matthias is mentioning: the transition phases.
How difficult it is to add the keystone v3 support for the storage side
in ovirt, given you should already have the needed libs as you use them
for the networking?
Thanks,
Alessandro
Il 15/11/18 12:58, Matthias Leopold ha scritto:
Hi,
we are extensively using Ceph storage using the present
OpenStack/Cinder integration in oVirt 4.2 which works for us.
Openstack version in use is Pike.
I already heard about the plan to move to cinderlib which sounds
promising. I very much hope there will be a migration scenario for
users of "full" Openstack/Cinder installations when upgrading to oVirt
4.3.
thanks
Matthias
Am 11.11.18 um 15:49 schrieb Nir Soffer:
On Sat, Nov 10, 2018 at 6:52 PM Gianluca Cecchi
<[email protected] <mailto:[email protected]>> wrote:
Hello,
do you think it is ok to use Rocky version of Openstack to integrate
its services with oVirt 4.2.7 on CentOS 7?
I see on https://repos.fedorapeople.org/repos/openstack/ that, if
Rocky is too new, between the older releases available there are,
from newer to older:
Queens
Pike
Ocata
Newton
Nobody working on oVirt is testing any release of Openstack in the
recent years.
The Cinder/Ceph support was released as tech preview in 3.6, and no
work was
done since then, and I think this will be deprecated soon.
For 4.3 we are working on a different direction, using Cinderlib
https://github.com/Akrog/cinderlib
This is a way to use Cinder drivers without Openstack installation.
The same library is used to provide Cinder based storage in Kubernetes.
https://github.com/Akrog/ember-csi
You can find an early draft here for this feature. Note that it is
expected to be
updated in the next weeks, but it can give you some idea on what we are
working on.
https://github.com/oVirt/ovirt-site/blob/f88f38ebb9afff656ab68a2d60c2b3ae88c21860/source/develop/release-management/features/storage/cinderlib-integration.html.md
This will be tested with some version of Cinder drivers. I guess we
will have
more info about it during 4.3 development.
At the moment I have two separate lab environments:
oVirt with 4.2.7
Openstack with Rocky (single host with packstack allinone)
just trying first integration steps with these versions, it seems
I'm not able to communicate with glance, because I get in engine.log
2018-11-10 17:32:58,386+01 ERROR
[org.ovirt.engine.core.bll.provider.storage.AbstractOpenStackStorageProviderProxy]
(default task-51) [e2fccee7-1bb2-400f-b8d3-b87b679117d1] Not Found
(OpenStack response error code: 404)
I think Glance support should work. Elad, which version of Glance was
tested for 4.2?
Regarding which Openstack version can work best with oVirt, maybe
Openstack guys I added can give a better answer.
Nir
Nothing in glance logs on openstack, apparently.
In my test I'm using
http://xxx.xxx.xxx.xxx:9292 as provider url
checked the authentication check box and
glance user with its password
35357 as the port and services as the tenant
a telnet on port 9292 of openstack server from engine to
openstack is ok
similar with cinder I get:
2018-11-10 17:45:42,226+01 ERROR
[org.ovirt.engine.core.bll.provider.storage.AbstractOpenStackStorageProviderProxy]
(default task-50) [32a31aa7-fe3f-460c-a8b9-cc9b277deab7] Not Found
(OpenStack response error code: 404)
So before digging more I would lile to be certain which one is
currently the best combination, possibly keeping as fixed the oVirt
version to 4.2.7.
Thanks,
Gianluca
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