[openstack-dev] [fuel][plugins][lma] Leveraging OpenStack logstash grok filters in StackLight?

Simon Pasquier spasquier at mirantis.com
Tue May 17 12:43:22 UTC 2016

The short answer is no. StackLight is based on Heka for log processing and
parsing. Heka itself uses Lua Parsing Expression Grammars [1].
For now the patterns are maintained in the LMA collector repository [2] but
it's on our to-do list to have it available in a dedicated repo.
One advantage of having Lua-based parsing is that it's fairly easy to unit
test the patterns.

[1] http://www.inf.puc-rio.br/~roberto/lpeg/lpeg.html

On Tue, May 17, 2016 at 2:23 PM, Bogdan Dobrelya <bdobrelia at mirantis.com>

> Hi.
> Are there plans to align the StackLight (LMA plugin) [0] with that
> recently announced source of Logstash filters [1]? I found no fast info
> if the plugin supports Logstash input log shippers, so I'm just asking
> as well.
> Writing grok filters is... hard, I'd had a sad experience [2] with that
> some time ago, and that is not that I'd like to repeat or maintain on my
> own, so writing those is something definitely should be done
> collaboratively :)
> [0] https://launchpad.net/lma-toolchain
> [1] https://github.com/openstack-infra/logstash-filters
> [2] https://goo.gl/bG6EwX
> --
> Best regards,
> Bogdan Dobrelya,
> Irc #bogdando
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