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
