irule for URI based redirection to separate Pools

Maybe you can do like that:

    when HTTP_REQUEST {
      set path [string tolower [lindex [split [HTTP::path] "/"] 1]]
      switch -glob $path {
        "dev" { pool pool-dev }
        "ct" { pool pool-ct }
        "uat" { pool pool-uat }
        default {
            HTTP::respond 200 content "Content-Type "text/html" Connection Close"
        }
      }
    }

You can get an iFile or base64 variable content to present the html too. Find some examples in this channel.

Regards.

thanks, can you please shed some light on this irule? what does set path, string tolower, lindex, split, switch -glob variables do?

You can find a good documentation of iRule events tips and tricks in this link: https://devcentral.f5.com/articles/irules-101-04-switch

I will try to be clear, here we go:

 This event triggers in http request
when HTTP_REQUEST {
     this will store the first http path segment in lower case
     so, we'll define the request traffic direction as needed
     example:
     request for url: http://mywebservice.com/DEV/service
     [HTTP::host] ==> mywebservice.com (not used, just to understand)
     [HTTP::path] ==> /DEV/service
     [split [HTTP::path] "/"] ==> [split /DEV/service "/"] ==> { DEV service}
     [lindex { DEV service} 1] ==> DEV
     [string tolower {DEV}] ==> dev (this is useful when web service is case insensitive (windows eg))
     set path ==> stores the value "dev"
    set path [string tolower [lindex [split [HTTP::path] "/"] 1]]


     this will verify the value stored in path variable
    switch -glob $path {
         case value is "dev", request goes to the pool-dev
        "dev" { pool pool-dev }

         case value is "ct", request goes to the pool-ct
        "ct" { pool pool-ct }

         case value is "uat", request goes to the pool-uat
        "uat" { pool pool-uat }

         otherwise, show the help page
        default {
             here we will write the response content page
            HTTP::respond 200 content "`Available resource options````