Open Stack

Hello there!

small thoughts:
- we might already push the stdout logging, in parallel of the current
existing one

- that would already point some weakness and issues, without making the
whole thing crash, since there aren't that many logs in stdout for now

- that would already allow to check what's the best way to do it, and
what's the best format for re-usability (thinking: sending logs to some
(k)elk and the like)

This would also allow devs to actually test that for their services. And
thus going forward on this topic.

Any thoughts?

Cheers,

C.

On 1/30/19 11:49 AM, Juan Antonio Osorio Robles wrote:
> Hello!
> 
> 
> In Queens, the a spec to provide the option to make containers log to
> standard output was proposed [1] [2]. Some work was done on that side,
> but due to the lack of traction, it wasn't completed. With the Train
> release coming, I think it would be a good idea to revive this effort,
> but make logging to stdout the default in that release.
> 
> This would allow several benefits:
> 
> * All logging from the containers would en up in journald; this would
> make it easier for us to forward the logs, instead of having to keep
> track of the different directories in /var/log/containers
> 
> * The journald driver would add metadata to the logs about the container
> (we would automatically get what container ID issued the logs).
> 
> * This wouldo also simplify the stacks (removing the Logging nested
> stack which is present in several templates).
> 
> * Finally... if at some point we move towards kubernetes (or something
> in between), managing our containers, it would work with their logging
> tooling as well.
> 
> 
> Any thoughts?
> 
> 
> [1]
> https://specs.openstack.org/openstack/tripleo-specs/specs/queens/logging-stdout.html
> 
> [2] https://blueprints.launchpad.net/tripleo/+spec/logging-stdout-rsyslog
> 
> 
> 

-- 
Cédric Jeanneret
Software Engineer
DFG:DF

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