Hi Willy,

Thanks for the workaround and explanation. Works as expected.

Sincerely,
Amin Shayan


On Wed, Jan 16, 2019 at 6:15 PM Willy Tarreau <[email protected]> wrote:

> Hi Amin,
>
> On Mon, Dec 31, 2018 at 05:23:17PM +0100, Amin Shayan wrote:
> > Hi guys,
> >
> > I'm trying to get clients request http version and it seems %HV which is
> > the last field of %r works fine for http/0.9,1.0,1.1. However I get
> > http/1.1 on logs for http2 requests.
> >
> > Using HAProxy 1.8.16, Is there still below limitation?
> >
> >   - no trivial way to report HTTP/2 in the logs. I'm using a sample
> >     fetch function reporting the on-wire format as 1 or 2 for now. I
> >     considered replacing "HTTP/1.1" with "HTTP/2.0" in the logs but
> >     that's inaccurate since we really process "1.1" so it might be
> >     confusing to those dealing with regex which don't seem to match,
> >     and in addition "HTTP/2.0" is not the correct version string, the
> >     correct one is "HTTP/2". But writing this without the dot and the
> >     minor version is going to break some log processing tools. Thus I
> >     was thinking about having some optional fields that are supposed
> >     to be easy to use. Note that we had the same issue with SSL long
> >     ago, ending with "~" after the frontend's name in the logs...
> >     Better avoid this for H2. Ideas are welcome.
>
> Yes that's true for 1.8. However there is a sample fetch function called
> "fc_http_major" which returns the major protocol number on the frontend
> connection (1 for 0.9-1.1, 2 for 2.0). You could thus add something like
> this to your log-format :
>
>    ... HTTP/%[fc_http_major]
>
> Hoping this helps,
> Willy
>

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