Murano API service contains errors in log file after service start

[Ivan Udovichenko]

During murano-api service start you may observe errors in /var/log/murano/murano-api.log log file:
"""
...
2016-09-09 16:31:37.631 24299 DEBUG murano.common.statservice [-] Updating statistic information. update_stats /usr/lib/python2.7/dist-packages/murano/common/statservice.py:59
2016-09-09 16:31:37.631 24299 DEBUG murano.common.statservice [-] Stats object: <murano.api.v1.request_statistics.RequestStatisticsCollection object at 0x7fa9639de990> update_stats /usr/lib/python2.7/dist-packages/murano/common/statservice.py:60
2016-09-09 16:31:37.631 24299 DEBUG murano.common.statservice [-] Stats: (Requests: 0 Errors: 0 Ave.Res.Time 0.0000
 Per tenant: {}) update_stats /usr/lib/python2.7/dist-packages/murano/common/statservice.py:66
2016-09-09 16:31:37.698 24299 DEBUG oslo_db.sqlalchemy.engines [-] MySQL server mode set to STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION _check_effective_sql_mode /usr/lib/python2.7/dist-packages/oslo_db/sqlalchemy/engines.py:256
2016-09-09 16:31:37.737 24299 ERROR murano.common.statservice [-] Failed to get statistics object from a database. 'module' object has no attribute 'NUM_CPUS'
2016-09-09 16:31:37.737 24299 ERROR murano.common.statservice Traceback (most recent call last):
2016-09-09 16:31:37.737 24299 ERROR murano.common.statservice File "/usr/lib/python2.7/dist-packages/murano/common/statservice.py", line 75, in update_stats
2016-09-09 16:31:37.737 24299 ERROR murano.common.statservice psutil.NUM_CPUS,
2016-09-09 16:31:37.737 24299 ERROR murano.common.statservice AttributeError: 'module' object has no attribute 'NUM_CPUS'
2016-09-09 16:31:37.737 24299 ERROR murano.common.statservice
...
"""

The issues shows itself because of a new version (3.4.2-1) of python-psutil package: http://packages.ubuntu.com/xenial/python-psutil

The detailed instruction how to reproduce the issue was written by my manager (Igor Yozhikov):
https://docs.google.com/document/d/1zf4WROMtd2Miq57WHDRRC7Qt-GZ6AIpQIlL2S3FT6Qo/view

The fix was proposed/merged here:
https://review.openstack.org/#/c/360727/

Related bug:
https://bugs.launchpad.net/murano/+bug/1598208

[Ivan Udovichenko (iudovichenko)]

Update to version 2.0.2 helped. It is in stable/mitaka branch:
https://review.openstack.org/gitweb?p=openstack/murano.git;a=shortlog;h=refs/heads/stable/mitaka

I successfully built a new version. And have attached a debdiff output.

[Ubuntu Foundations Team Bug Bot (crichton)]

The attachment "debdiff_murano_2.0.2-1.diff" seems to be a debdiff. The ubuntu-sponsors team has been subscribed to the bug report so that they can review and hopefully sponsor the debdiff. If the attachment isn't a patch, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are member of the ~ubuntu-sponsors, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issue please contact him.]

[Ivan Udovichenko (iudovichenko)]

I've successfully added Murano source package to PPA (Xenial):
https://launchpad.net/~iudovichenko/+archive/ubuntu/python/+packages

Please review and sponsor the packages.

Thank you.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Sebastien Bacher (seb128)]

Thanks for the work, SRU requests need to have some extra informations on their bugs, could you read https://wiki.ubuntu.com/StableReleaseUpdates#SRU_Bug_Template and add those to the description?

[Robie Basak (racb)]

Unsubscribing ~ubuntu-sponsors as this is not ready for upload as it has incomplete SRU information. When it is ready, please resubscribe ~ubuntu-sponsors again for consideration. Thanks!