[openstack-dev] [nova][neutron][upgrade] Grenade multinode partial upgrade

Armando M. armamig at gmail.com
Fri Feb 19 02:50:08 UTC 2016

On 18 February 2016 at 08:41, Sean M. Collins <sean at coreitpro.com> wrote:

> This week's update:
> Armando was kind enough to take a look[1], since he's got a fresh
> perspective. I think I've been suffering from Target Fixation[1]
> where I failed to notice a couple other failures in the logs.

It's been fun, and I am glad I was able to help. Once I validated the root
cause of the metadata failure [1], I got run [2] and a clean pass in [3] :)

There are still a few things to iron out, ie. choosing metadata over
config-drive, testing both in the gate etc. But that's for another day.


[1] https://bugs.launchpad.net/nova/+bug/1545101/comments/4

> For example - during the SSH test into the instances, we are able to get
> a full SSH handshake and offer up the SSH key, however authentication
> fails[3], apparently due to the fact that the instance is not successful
> in contacting the metadata service and getting the SSH public key[4].
> So, I think the next bit of work is to track down why the metadata
> service isn't functioning properly. We pinged Matt Riedemann about one
> error we saw over in the nova metadata service, however he had seen it
> before us and already wrote a fix[5].
> That's the status of where things stand. Metadata service being broken,
> and also still MTU issues lurking in the background.
> [1]:
> http://eavesdrop.openstack.org/irclogs/%23openstack-neutron/%23openstack-neutron.2016-02-18.log.html#t2016-02-18T00:26:29
> [2]: https://en.wikipedia.org/wiki/Target_fixation
> [3]:
> http://eavesdrop.openstack.org/irclogs/%23openstack-neutron/%23openstack-neutron.2016-02-18.log.html#t2016-02-18T01:18:32
> [4]:
> http://logs.openstack.org/78/279378/9/experimental/gate-grenade-dsvm-neutron-multinode/40a5659/console.html#_2016-02-17_22_37_33_277
> [5]: https://review.openstack.org/#/c/279721/
> --
> Sean M. Collins
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