I like art! Thanks!!
2014-05-23 16:34 GMT+02:00 Baptiste <bed...@gmail.com>: > You can set a map entry, it will erase then create the entry. > And HAProxy will take it into account on the fly, without doing anything. > You could even forward traffic to your webservers and let haproxy > learn the redirect on the fly. > > Remember, HAProxy is art: > https://twitter.com/malditogeek/status/243020846875152384# > > Baptiste > > On Fri, May 23, 2014 at 4:00 PM, Matt . <yamakasi....@gmail.com> wrote: > > So when you remove a line and there is no line like it... just nothing > > happens as it should ? > > > > But what if you add one that is already there ? Will it be added twice ? > If > > so and you do a remove will both be removed ? > > > > > > 2014-05-23 15:22 GMT+02:00 Baptiste <bed...@gmail.com>: > >> > >> There is no reply, it is silently performed. > >> > >> > >> Baptiste > >> > >> On Fri, May 23, 2014 at 3:07 PM, Matt . <yamakasi....@gmail.com> wrote: > >> > Hi, > >> > > >> > OK, that is a very good explanation! > >> > > >> > It's also very flexible in my opinion. > >> > > >> > Does hsproxy give a reply/callback after adding/removing ? I'm not > sure > >> > but > >> > I thought it did. > >> > > >> > I also did a reply-all this time, sorry for last time! > >> > > >> > Cheers, > >> > > >> > Matt > >> > > >> > > >> > 2014-05-23 14:07 GMT+02:00 Baptiste <bed...@gmail.com>: > >> > > >> >> Hi Matt, > >> >> > >> >> I'm Ccing the ML since the answer can interest everybody here. > >> >> > >> >> > Thanks for you explanation... I found something indeed on the devel > >> >> > version > >> >> > yesterday, you can also remove this way I saw ? > >> >> > >> >> yes, you can delete content from a map thanks to the socket or > through > >> >> information found in HTTP headers. > >> >> > >> >> > What do you mean by filecontents on reload ? > >> >> > >> >> I mean that the content of the map is read from a flat file. > >> >> If you modify running map, HAProxy only updates its memory, not the > >> >> flat > >> >> file. > >> >> So after a reload, if the flat file does not contain same content as > >> >> HAProxy's memory, then updates are lost. > >> >> > >> >> > What I add this was is added to memory and not to the file ? > >> >> > >> >> exactly > >> >> > >> >> > So, I need to sync the file with the memory in some way ? > >> >> > >> >> yes. > >> >> This can be done easily with a tool since you can dump a map content > >> >> from HAProxy's socket. > >> >> > >> >> Baptiste > >> >> > >> >> > >> >> > > >> >> > > >> >> > 2014-05-23 10:17 GMT+02:00 Baptiste <bed...@gmail.com>: > >> >> > > >> >> >> Hi Matt, > >> >> >> > >> >> >> You have to use HAProxy 1.5. > >> >> >> You can load redirects from a map file. > >> >> >> Map file content, 2 columns, with on the left the reference (what > >> >> >> you're looking from in the client request) and on the right the > >> >> >> response to send back. > >> >> >> domain2.com subdomain.domain1.com > >> >> >> > >> >> >> Then, in your frontend, simply add: > >> >> >> http-request redirect code 302 prefix > >> >> >> http://%[req.hdr(host),map_str(map_redirects.lst)] if { > >> >> >> req.hdr(Host),map_str(map_redirects.lst) -m found } > >> >> >> > >> >> >> Content of map_redirects.lst: > >> >> >> domain2.com subdomain.domain1.com > >> >> >> > >> >> >> If the domain is not listed, then HAProxy will return a 503. > >> >> >> > >> >> >> Here are some results: > >> >> >> GET http://127.0.0.1:8080/ -H "Host: domain2.com" > >> >> >> > >> >> >> HTTP/1.1 302 Found > >> >> >> Cache-Control: no-cache > >> >> >> Content-length: 0 > >> >> >> Location: http://subdomain.domain1.com/ > >> >> >> Connection: close > >> >> >> > >> >> >> > >> >> >> GET http://127.0.0.1:8080/blah -H "Host: domain2.com" > >> >> >> > >> >> >> HTTP/1.1 302 Found > >> >> >> Cache-Control: no-cache > >> >> >> Content-length: 0 > >> >> >> Location: http://subdomain.domain1.com/blah > >> >> >> Connection: close > >> >> >> > >> >> >> > >> >> >> > >> >> >> GET http://127.0.0.1:8080/ -H "Host: domain1.com" > >> >> >> > >> >> >> HTTP/1.0 503 Service Unavailable > >> >> >> Cache-Control: no-cache > >> >> >> Connection: close > >> >> >> Content-Type: text/html > >> >> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> The content of the map can be updated through the HAProxy socket > or > >> >> >> though HTTP headers. > >> >> >> Read the manual to know how. > >> >> >> > >> >> >> Bear in mind HAProxy will reset its memory with the content of the > >> >> >> file when reloading. So it's up to you to sync the memory of > HAProxy > >> >> >> and the content of the file. > >> >> >> > >> >> >> Baptiste > >> >> >> > >> >> >> > >> >> >> On Thu, May 22, 2014 at 11:08 PM, Matt . <yamakasi....@gmail.com> > >> >> >> wrote: > >> >> >> > Babtiste, > >> >> >> > > >> >> >> > I'm not able to find any solution to add such rewrites, am I > >> >> >> > looking > >> >> >> > wrong ? > >> >> >> > > >> >> >> > Cheers, > >> >> >> > > >> >> >> > Matt > >> >> >> > > >> >> >> > > >> >> >> > 2014-05-22 16:37 GMT+02:00 Matt . <yamakasi....@gmail.com>: > >> >> >> > > >> >> >> >> Hi, > >> >> >> >> > >> >> >> >> That is nice, is that in the development version ? I didn't see > >> >> >> >> it > >> >> >> >> in > >> >> >> >> 1.4 > >> >> >> >> as I'm right. > >> >> >> >> > >> >> >> >> I need to forward domain2.com to subdomain.domain1.com > >> >> >> >> > >> >> >> >> and subdomain.domain1.com may be a various of webservers that > >> >> >> >> serve > >> >> >> >> that > >> >> >> >> content. > >> >> >> >> > >> >> >> >> Thanks! > >> >> >> >> > >> >> >> >> Matt > >> >> >> > > >> >> >> > > >> >> > > >> >> > > >> > > >> > > > > > >
