Comment 15 for bug 1418187

Reviewed: https://review.openstack.org/166004
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=34f029e68d607c7154adcb6d6616da8da0db3650
Submitter: Jenkins
Branch: stable/juno

commit 34f029e68d607c7154adcb6d6616da8da0db3650
Author: Sahid Orentino Ferdjaoui <email address hidden>
Date: Tue Mar 3 05:00:40 2015 -0500

    libvirt: make default value of numa cell memory to 0 when not defined

    Some arch can have cells without memory or cpus defined and libvirt
    will return an XML without these elements. Our object defintion of the
    fields cpus and memory cannot let us to make them to None when not
    defined but currently the config representation of a NUMA make it to
    None.

    This patch fix the default value of config memory to 0 when libvirt
    does not return memory element for a cell.

    Also this cannot be considered come a fix for bug 1418187 since we
    have to handle these cases (cpus or memory not defined) during
    scheduling. thse case can be addressed when using distances which will
    be addressed in a next serie of patches.

    Conflicts:
            nova/tests/unit/virt/libvirt/test_config.py
            nova/virt/libvirt/config.py

    NOTE(mriedem): The conflict in config.py is due to the mempages
    code added on master with commit 3283e2a42 that's not in juno.
    The test conflict was due to moving the tests in kilo.

    Related-Bug: #1418187
    Change-Id: Iac08d1221341a86c081d5e905c704fb1c9dca276
    (cherry picked from commit 291c1a1db1ab3ceccfac7a3c8312b6fdce3aaa84)