[openstack-dev] [kolla] Support for non-x86_64 architectures

Steven Dake (stdake) stdake at cisco.com
Sun Feb 12 15:14:57 UTC 2017


I think this work is fantastic!

The Ocata feature deadline has passed.  Reference:

The feature freeze deadline was January 25th 2017.  What this means is that this work will need to go into Pike instead of Ocata.  One of the reasons you haven’t seen much activity on the reviews is the core reviewer team is busy finalizing Ocata.  Once Jeffrey Zhang (our release liaison) branches ocata, this patch would be ready for review.  I would recommend filing a blueprint here:

And point out the blueprint in IRC asking for a blueprint triage.  Any core reviewer can do that blueprint triage.  Blueprints are how some projects, but not all, track work in OpenStack.

The branch of Ocata should happen early this week.


-----Original Message-----
From: Marcin Juszkiewicz <marcin.juszkiewicz at linaro.org>
Reply-To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org>
Date: Friday, February 10, 2017 at 11:21 AM
To: OpenStack Development Mailing List <openstack-dev at lists.openstack.org>
Cc: Gema Gomez <gema.gomez-solano at linaro.org>
Subject: [openstack-dev] [kolla] Support for non-x86_64 architectures

    At Linaro I work on running OpenStack on AArch64 (arm64, 64-bit arm,
    ARMv8a) architecture. We built Cinder, Glance, Heat, Horizon, Keystone,
    Neutron and Nova for our use and deployed it several times.
    But for next release we decided to move to use containers for delivering
    components. This got me working on Kolla to get it working on our machines.
    The problem is that Kolla targets only x86-64 architecture. I was not
    surprised when saw that and do not blame anyone for it. That's quite
    common behaviour nowadays when there is no Alpha nor Itanium on a market.
    So I digged a bit and found patch [1] which added ppc64le architecture
    support. Fetched, reviewed and decided that it can be used as a base for
    my work.
    1. https://review.openstack.org/#/c/423239/6
    I cut all stuff about repositories and other ppc64le/ubuntu specific
    issues and then edited it to take care of aarch64 as well. Then I posted
    it to gerrit for review [2].
    2. https://review.openstack.org/#/c/430940
    Jenkins looks happy about it, I got some comments from few developers
    (both in review and on irc) and handled them proper way.
    I tested patch with "aarch64/ubuntu" and "aarch64/debian" images used as
    a base. My target are CentOS (waiting for official image) and Debian.
    Current state:
    19:18 hrw at pinkiepie-centos:kolla$ docker images|grep kolla/ubuntu|wc -l
    19:18 hrw at pinkiepie-centos:kolla$ docker images|grep kolla/debian|wc -l
    During weekend I will run more builds to check all possible images.
    If someone has some spare time then I would love to see my patch
    reviewed. There is one change affecting x86-64: Debian/Ubuntu
    repositories are split to base + architecture ones to allow for
    architecture specific repos configuration.
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