[OpenStack-Ansible] Log Aggregation in Yoga

Dave Hall kdhall at binghamton.edu
Sun Jul 10 13:42:50 UTC 2022

Two further questions:

After looking a bit further, journald seems to have the ability to forward
to an journald aggregation target.  Is there an option in OpenStack-Ansible
to configure this in all of the deployed containers?

Are there any relevant services deployed in a typical OSA deployment that
don't log to journald?



On Sun, Jul 10, 2022, 6:02 AM Dmitriy Rabotyagov <noonedeadpunk at gmail.com>

> Hey,
> Yes, indeed, we do store all logs with journald nowadays and rsyslog is
> not being used. These roles and documentation is our technical debt and we
> should have deprecated that back in Victoria.
> Journald for containers is bind mounted and you can check for all
> container logs on host. At the same time there plenty of tools to convert
> journald to any format of your taste including rsyslog. To have that said,
> I would discourage using rsyslog as with that you loose tons of important
> metadata and it's hard to parse them properly. If you're using any central
> logging tool, like elk or graylog, there re ways to forward journal to
> these as well. We also have roles for elk or graylog in our ops repo
> https://opendev.org/openstack/openstack-ansible-ops
> Though we don't provide support for them, thus don't guarantee they're
> working as expected and some effort might be needed to update them.
> сб, 9 июл. 2022 г., 23:33 Dave Hall <kdhall at binghamton.edu>:
>> Hello,
>> I've been told that Openstack now uses journald rather than rsyslog, but
>> the Yoga docs still show a log aggregation host.  Although I still prefer
>> rsyslog, what I really prefer is to have logs for all hosts in the cluster
>> collected in one place.  How do I configure this for a fresh installation?
>> Is it reasonable to assign this duty to an infrastructure host?
>> Thanks.
>> -Dave
>> --
>> Dave Hall
>> Binghamton University
>> kdhall at binghamton.edu
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