Open Stack

Hi,

We managed to resolve this issue, there was a pyOpenSSL version
installed to /usr/local/lib/python2.7/dist-packages/OpenSSL that was
creating a conflict for python-glanceclient.

We removed the above version and our issue has been resolved.

Thanks.
Gavin

On 15 September 2014 11:49, Gavin <netmatters at gmail.com> wrote:
> Hi All,
>
> We are currently battling with a single issue on one of our Compute nodes.
>
> We run Ubuntu 12.04 and deployed over a year ago using Grizzly.
>
> We have since upgraded using the Ubuntu Cloud Archive to Havana and
> more recently to Icehouse.
>
> Although the upgrades were fun and kept us on our toes, they both were
> successful, although we are still stuck with one last issue after the
> Icehouse upgrade.
>
> This particular issue only exists on one compute node, the same
> compute node where we had installed an earlier version of Ceilometer,
> from source.
>
> A number of functions are not working on this particular compute node,
> things like 'resize', 'boot from volume', etc.
>
> We see the following errors in nova.log:-
>
> "Can't access image 62aa0cca-c98f-4e24-8994-51def0848576: cannot
> import name crypto"
>
> "ERROR oslo.messaging._drivers.common [-] Returning exception cannot
> import name crypto to caller"
>
> Although using the Python cli we can import crypto from nova:-
>
> Python 2.7.3 (default, Feb 27 2014, 19:58:35)
> [GCC 4.6.3] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
>>>>
>>>> from nova import crypto
>>>>
>
> We have compared the OS packages as well as the relevant Python mods
> and versions thereof between all of our compute nodes and we cannot
> find any differences.
>
> It seems pretty clear that we have some sort of a conflict with the
> Python libs on this host, unfortunately we just cannot see where.
>
> Is there somewhere else that we should be looking, and is there
> anything that we can do to resolve this issue without having to
> re-install any packages ?
>
> Nova Packages:-
>
> ii  nova-api-metadata                 1:2014.1.2-0ubuntu1.1~cloud0
>           OpenStack Compute - metadata API frontend
> ii  nova-common                       1:2014.1.2-0ubuntu1.1~cloud0
>           OpenStack Compute - common files
> ii  nova-compute                      1:2014.1.2-0ubuntu1.1~cloud0
>           OpenStack Compute - compute node base
> ii  nova-compute-kvm                  1:2014.1.2-0ubuntu1.1~cloud0
>           OpenStack Compute - compute node (KVM)
> ii  nova-compute-libvirt              1:2014.1.2-0ubuntu1.1~cloud0
>           OpenStack Compute - compute node libvirt support
> ii  python-nova                       1:2014.1.2-0ubuntu1.1~cloud0
>           OpenStack Compute Python libraries
> ii  python-novaclient                 1:2.17.0-0ubuntu1~cloud0
>           client library for OpenStack Compute API
>
> Python Nova libs:-
>
> nova==2014.1.2
> python-novaclient==2.17.0
>
> Thanks and Regards,
> Gavin