Need help in creating iRule

Hi Ravi,

Here's a hint - just guessing a few bits and left out a few, but should get you started;-

pl_xbase_18080 members 192.168.10.101:18080 192.168.10.103:18080
pl_xiservice members 192.168.10.101:8090 192.168.10.103:8090
pl_xirest members 192.168.10.101:18080 192.168.10.103:18080

then;-

when HTTP_REQUEST {
   set fRoot 0
   switch [HTTP:: path] {
      "/xinsights/services/xbase/" { 
         pool pl_xbase_18080
         HTTP::uri "/xinsightsrest/xbase/" 
      }
      "xinsights/xinsightsrest/ { 
         pool pl_xirest_18080
         HTTP::uri "/xinsightsrest/"
      } 
      "/xinsights/services/api/ { 
         pool pl_xiservice_8090
         HTTP::uri "/api/"
      } 
      "/xinsights/ui/" { 
        pool pl_xiservice_8090
        HTTP::uri "/"
      } 
      "/" { 
         set fRoot 1
      }
}
when LB_FAILED {
   HTTP::respond 502 content [class match -value "502" dg_5xx_pages] noserver Retry-After 300
}
when HTTP_RESPONSE {
   if {$fRoot} {
      HTTP::header insert Content-Type "application/json"
   } 
}

You can also use a Local Traffic Policy to perform many of the iRule statements above.