Hi,
I ve just submit a sample which returns the content of the unique-id.
So, you can write:
unique-id-format %{+X}o\ %ci-%cp-%rt-%pid-%Ts%fp
acl unique_id_missing hdr_cnt(X-Unique-ID) eq 0
http-request add-header X-Unique-ID %[unique-id] if unique_id_missing
Thierry
On Fri, 8 Apr 2016 15:31:22 +0000
Scott Rankin <sran...@motus.com> wrote:
> Hi all,
>
> I’m trying to replicate functionality from a previous load balancer in
> HAProxy, and the final sticking point seems to be the unique ID header. I
> found the unique-id-header and unique-id-format commands, which are great,
> but what I want to do is only add a unique-id-header if there is not already
> one present. If there is one present, I do not want to add another one
> (which is what seems to be happening by default).
>
> I’ve tried adding a conditional:
>
> acl unique_id_missing hdr_cnt(X-Unique-ID) eq 0
> unique-id-format %{+X}o\ %ci-%cp-%rt-%pid-%Ts%fp
> unique-id-header X-Unique-ID if unique_id_missing
>
> But that does not seem to be working. Should it? If not, is there another
> way to go about this?
>
> Thanks!
> Scott
>
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