Ubuntu OpenStack Development Summary – 27th June 2017

Welcome to the third Ubuntu OpenStack development summary!

This summary is intended to be a regular communication of activities and plans happening in and around Ubuntu OpenStack, covering but not limited to the distribution and deployment of OpenStack on Ubuntu.

If there is something that you would like to see covered in future summaries, or you have general feedback on content please feel free to reach out to me (jamespage on Freenode IRC) or any of the OpenStack Engineering team at Canonical!

OpenStack Distribution

Stable Releases

The next cadence of stable fixes is undergoing testing:

Cinder: RBD calls block entire process (Kilo)

Cinder: Upload to image does not copy os_type property (Kilo)

Swift: swift-storage processes die of rsyslog is restarted (Kilo, Mitaka)

Neutron: Router HA creation race (Mitaka, Newton)

Mitaka Stable Point Releases

Newton Stable Point Releases

Ocata Stable Point Releases

Nova-LXD storage pool compatibility

You’ll notice some lag in the cadence flow at the moment; we’re working with the Ubuntu SRU team to see how that can be optimised better going forwards.

Development Release

Builds for all architectures for Ceph 12.0.3 can be found in:


The first RC for Luminous was released last week, so expect that to appear soon in the same location; pending successful testing 12.1.0 will also be uploaded to Artful and the Ubuntu Cloud Archive for OpenStack Pike.

You’ll also find updates GlusterFS 3.10.x packages in Ubuntu Artful and the Ubuntu Cloud Archive for OpenStack Pike.

OpenStack Pike Milestone 2 is now in the Ubuntu Cloud Archive for OpenStack Pike which can be added to Ubuntu 16.04 LTS installations using:

sudo add-apt-repository cloud-archive:pike

This milestone involved over 70 package updates and 5 new packages for new OpenStack dependencies!

OpenStack Snaps

After some review and testing, the snap sub-team decided to switch back to strict mode for all OpenStack snaps; classic mode was pushing complexity out of snapd and into every snap which was becoming hard to maintain, so moving back to strict mode snaps made sense.

Alongside this work, we’ve been working on the first cut of ‘snapstack’, a tool to support testing of snaps as part of the gating process for development, and as part of the CI/CD process for migration of snaps across channels in the snap store.

If you want to give the current snaps a spin to see what’s possible checkout snap-test.

Nova LXD

Work on Nova-LXD in the last few weeks has focussed on moving the Tempest DevStack OpenvSwitch experimental gate into the actual blocking gate; this work is now complete for Ocata and Pike releases; tests are not executed against the older Newton stable branch due to a number of races in the VIF plugging part of the driver. This is a significant step forward in assuring the quality of the driver going forwards.

Work is also underway on refactoring the VIF plugging codebase to integrate better with os-vif and Neutron; this should improve the quality of the driver when used with the Linuxbridge mechanism driver in Neutron, and will make integration of other SDN choices easier in the future. This work will also resolve compatibility issues with the native Open vSwitch firewall driver and Nova-LXD.

OpenStack Charms

New Charms

Specifications are up for review for the proposed Gnocchi and GlusterFS charms. Please feel free to read through and provide any feedback on the proposed specifications!

Pike Updates

A few minor updates to support the Pike development release are working through review; these should be landed soon (the team aims to maintain deployability of development milestones alongside OpenStack development).

IRC (and meetings)

As always, you can participate in the OpenStack charm development and discussion by joining the #openstack-charms channel on Freenode IRC; we also have a weekly development meeting in #openstack-meeting-4 at either 1000 UTC (odd weeks) or 1700 UTC (even weeks) – see http://eavesdrop.openstack.org/#OpenStack_Charms for more details.



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