[openstack-dev] [fuel][shotgun] do we still use subs?

Igor Kalnitsky ikalnitsky at mirantis.com
Thu Oct 1 08:57:23 UTC 2015

Hey Alex,

I'm +1 for removal. I don't thing shotgun should be responsible for
log sanitizing, because sensitive data shouldn't get to the logs at
the first place.


On Wed, Sep 30, 2015 at 4:05 PM, Alexander Gordeev
<agordeev at mirantis.com> wrote:
> Hello fuelers,
> My question is related to shotgun tool[1] which will be invoked in
> order to generate the diagnostic snapshot.
> It has possibilities to substitute particular sensitive data such as
> credentials/hostnames/IPs/etc with meaningless values. It's done by
> Subs [2] object driver.
> However, it seems that subs is not used anymore. Well, at least it was
> turned off by default for fuel 5.1 [3] and newer. I won't able to find
> any traces of its usage in the code at fuel-web repo.
> Seems that this piece of code for subs could be ditched. Even more, it
> should be ditched as it looks like a fifth wheel from the project
> architecture point of view. As shotgun is totally about getting the
> actual logs, but not about corrupting them unpredictably with sed
> scripts.
> Proper log sanitization is the another story entirely. I doubt if it
> could be fitted into shotgun and being effective and/or well designed
> at the same time.
> Perhaps, i missed something and subs is still being used actively.
> So, folks don't hesitate to respond, if you know something which helps
> to shed a light on subs.
> Let's discuss anything related to subs or even vote on its removal.
> Maybe we need to wait for another 2 years to pass until we could
> finally get rid of it.
> Let me know your thoughts.
> Thanks!
> [1] https://github.com/stackforge/fuel-web/tree/master/shotgun
> [2] https://github.com/stackforge/fuel-web/blob/master/shotgun/shotgun/driver.py#L165-L233
> [3] https://github.com/stackforge/fuel-web/blob/stable/5.1/nailgun/nailgun/settings.yaml
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