Hello Luca,

On Tue, 3 Sep 2019 at 09:18, Schimweg, Luca <luca.schim...@sap.com> wrote:
> Hey,
> for one use case I have, I would need a variable like %uuid in log-formats,
> which just generates a random UUID. The use-case would be, to be able
> to set the unique-id-format to this uuid, so that we can have a random uuid
> set as request-id for any incoming request. Right now, it’s quite difficult to
> get a random and unique request-id, the random uuid approach would
> definitely help with that.

I assume the rand [1] does not suffice. In this case, I'd suggest to
use LUA for this, maybe by using some library like lua-resty-jit-uuid


[1] https://cbonte.github.io/haproxy-dconv/1.9/configuration.html#7.3.2-rand
[2] https://github.com/thibaultcha/lua-resty-jit-uuid

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