Cannot find OS information - Reason: (No configuration information found for operating system Empty)

[Matt Riedemann]

These warnings are all over the nova-compute logs during a CI run:

http://logs.openstack.org/62/449362/1/check/gate-tempest-dsvm-py35-ubuntu-xenial/ec959b4/logs/screen-n-cpu.txt.gz?level=TRACE#_2017-03-24_00_00_35_648

2017-03-24 00:00:35.648 24818 WARNING nova.virt.osinfo [req-c0471859-32df-4900-b5ad-04bab44e07fd tempest-AutoAllocateNetworkTest-941194883 tempest-AutoAllocateNetworkTest-941194883] Cannot find OS information - Reason: (No configuration information found for operating system Empty)

It looks like this just shows up in the gate-tempest-dsvm-py35-ubuntu-xenial job for some reason.

http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22Cannot%20find%20OS%20information%20-%20Reason%3A%20(No%20configuration%20information%20found%20for%20operating%20system%20Empty)%5C%22%20AND%20tags%3A%5C%22screen-n-cpu.txt%5C%22&from=7d

I'm not sure what "Empty" is here, but maybe we should check for it and ignore it so we don't spew unnecessary warnings all over the logs.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/449397

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/449397
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=9910bade6fe7ffde1b11170f894e2876ed8ccdb4
Submitter: Jenkins
Branch: master

commit 9910bade6fe7ffde1b11170f894e2876ed8ccdb4
Author: Matt Riedemann <email address hidden>
Date: Thu Mar 23 22:07:03 2017 -0400

    Do not attempt to load osinfo if we do not have os_distro

    We get a warning logged every time we try to load up osinfo
    with an image metadata that does not have the 'os_distro'
    property set. We should be smarter and just not try to load
    osinfo at all if we know we cannot get results.

    Change-Id: I79ebea3ed222fb0db01d0a33c62a677d0381f66c
    Closes-Bug: #1675602

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/ocata
Review: https://review.openstack.org/451649

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/451649
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=e1ba6153ba066169f66d2c339b2b6e333e1b2122
Submitter: Jenkins
Branch: stable/ocata

commit e1ba6153ba066169f66d2c339b2b6e333e1b2122
Author: Matt Riedemann <email address hidden>
Date: Thu Mar 23 22:07:03 2017 -0400

    Do not attempt to load osinfo if we do not have os_distro

    We get a warning logged every time we try to load up osinfo
    with an image metadata that does not have the 'os_distro'
    property set. We should be smarter and just not try to load
    osinfo at all if we know we cannot get results.

    Change-Id: I79ebea3ed222fb0db01d0a33c62a677d0381f66c
    Closes-Bug: #1675602
    (cherry picked from commit 9910bade6fe7ffde1b11170f894e2876ed8ccdb4)

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/nova 16.0.0.0b1 development milestone.

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/nova 15.0.4 release.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: stable/newton
Review: https://review.openstack.org/483304

[OpenStack Infra (hudson-openstack)]

Change abandoned by Matt Riedemann (<email address hidden>) on branch: stable/newton
Review: https://review.openstack.org/483304
Reason: Agree with Tony, don't think we need to get this in for newton, which is EOL tomorrow.