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Forum Discussion

minnoce944's avatar
minnoce944
Icon for Nimbostratus rankNimbostratus
Jul 30, 2014

http rewrite and pool selection based on method

We have a requirement to perform URI rewrites for specific paths and direct that request to the appropriate pool. As an added bonus we also need to inspect the http method used to make sure we are se...
application delivery
design
devops
iRules
LTM
Arie's avatar
Arie
Icon for Altostratus rankAltostratus
Jul 31, 2014

I can't test it right now, but try this:

when HTTP_REQUEST {
  if {( [string tolower [HTTP::uri]] eq "/IMSWeb/IMSServlet" ) } {
        HTTP::uri "/ReservationService/IMSServlet"
      pool pool1.tcp.8780
     }

   check to determine appropriate method, perform switch statement
    if { [string tolower [HTTP::method]] eq "get" } {
       method is get, need to rewrite URI and route to appropriate pool
       switch -glob [string tolower [HTTP::uri] ] {
            "/IMSWeb/rest/services/inventory" {
         HTTP::uri "/ReservationService/IMSServlet"
          pool pool1.tcp.8780
         }
           "/IMSWeb/Lookup" {
          HTTP::uri "/ReservationService/UI/invLookUp"
            pool pool1.tcp.8780
         }
       }
   }
   else { [string tolower [HTTP::method]] eq "put" } {
     method is put, need to rewrite host & URI and route to appropriate pool
        switch -glob [string tolower [HTTP::uri] ] {
            "/IMSWeb/rest/services/item" {
          HTTP::host "foo.com"
          HTTP::uri "/iasserver/rest/services/item"
           pool pool2.tcp.80
           }
           "/IMSWeb/rest/services/inventory" {
         HTTP::host "foo.com"
          HTTP::uri "/iasserver/rest/services/inventory"
          pool pool2.tcp.80
           }       
        }
   }
}