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Revision: 16728
at August 13, 2009 14:10 by alexwilliams
Initial Code 
frontend webserver
        bind    :80
        mode    http
        acl is_www hdr_beg(host) -i     www.domain.com
        use_backend http_cluster if is_www
        default_backend http_redir

backend http_redir
        mode    http 
        balance source
        option  nolinger
        server  web 127.0.0.1:8080 redir http://www.domain.com

backend http_cluster
        mode    http
        option  forwardfor
        balance source
        option  httpclose
        option  httpchk HEAD / HTTP/1.0
        server  web01 172.16.0.11:80 weight 1 check inter 1000 rise 5 fall 1
        server  web02 172.16.0.12:80 weight 1 check inter 1000 rise 5 fall 1
        server  web03 172.16.0.13:80 weight 1 check inter 1000 rise 5 fall 1
        server  web04 172.16.0.14:80 weight 1 check inter 1000 rise 5 fall 1
Initial URL 

                                

                                                            

                                    

                                        

                                        Initial Description
                                        

                                    

                                    
In this example:

*rewrite urls from domain.com to www.domain.com*

This is somewhat documented elsewhere, but not very well, so here's an example on how to perform simple URL rewriting with HAProxy (instead of using mod_rewrite with apache).

This works great if your servers use lighttpd, nginx, or anything that doesnt provide its own simple url rewriting.

                                

                                                            

                                    

                                        

                                        Initial Title
                                        

                                    

                                    
HAProxy URL Rewriting

                                

                                                            

                                    

                                        

                                        Initial Tags
                                        

                                    

                                    
url, apache

                                

                                                            

                                    

                                        

                                        Initial Language
                                        

                                    

                                    
Apache