On Fri, Jan 29, 2016 at 2:27 AM, Klavs Klavsen <k...@vsen.dk> wrote: > I got this to work: > > use_backend %[path,lower,map_reg(/path/tofile)] > > and with a map file containing: > ^\/sebseb/ > ^\/test2/ > > and so on.. > > Only issue is the performance hit.. its going to do regex match with path > on each line in the map file.. :( >
I've seen people reporting here map files with hundreds of lines claiming no performance impact. In your case with your 2 liner file you shouldn't see any performance impact whatsoever. > > I'd prefer to find a function to replace path.. which could substract the > first part ^\/([^/])\/ - and then use \1 to match in map file.. > > But perhaps the map_reg isn't that expensive? > > > Klavs Klavsen wrote on 01/28/2016 03:39 PM: > >> Hi guys, >> >> I figured I could use map feature of 1.5, but I'm coming up short, >> trying to change this: >> >> use_backend %[req.hdr(host),lower,map(/path/tofile)] >> >> >> To instead take a part of the uri. >> >> I can't find any list of functions (such as hdr, hdr_end etc.) in the >> docs :( >> >> I figured I could use "something like" regrep instead of hdr(host)? >> >> >> Klavs Klavsen wrote on 01/26/2016 02:53 PM: >> >>> Hi guys, >>> >>> we have a long list of backends (want to monitor each application on a >>> tomcat behind us) - and would like to use part of the url ( first part >>> between / / ) to identify the backend (in haproxy) to use. >>> >>> so if we get a request for /sebseb/api/whatever - we'd like to use >>> backend named kki-sebseb. >>> >>> we figure this should not be dangerous since haproxy seems fairly well >>> coded - so a request for something bogus, should just result in the >>> backend being invalid - and returning a 504 (we hope) ? >>> >>> I can't seem to find any examples on the net.. and can't figure it out >>> from the haproxy 1.5 docs.. >>> >>> I was hoping any of you had some hints :) >>> >>> >> >> > > -- > Regards, > Klavs Klavsen, GSEC - k...@vsen.dk - http://www.vsen.dk - Tlf. 61281200 > > "Those who do not understand Unix are condemned to reinvent it, poorly." > --Henry Spencer > > > -- Igor Cicimov | DevOps p. +61 (0) 433 078 728 e. ig...@encompasscorporation.com <http://encompasscorporation.com/> w*.* encompasscorporation.com a. Level 4, 65 York Street, Sydney 2000
