Forum Discussion

Will_4436's avatar
Will_4436
Icon for Nimbostratus rankNimbostratus
Aug 09, 2012

Direct traffic to a different pool based on HTTP or SOAP request.

Hi,

 

 

I hope someone can assist with the following problem:

 

 

F5 Configuration:

 

Single VS: 1.1.1.1

 

URL: http://www.domain.com/

 

URI: /app

 

Port: 443

 

Associated Pools: Pool A (servers receiving HTTP request) Port 1234

 

Pool B (servers receiving SOAP request) Port 5678

 

 

 

Scenario:

 

Both a SOAP and/or HTTP request will hit the same virtual server with the same URL and URI, separation via source IP address is not possible. A HTTP request must go to Pool A, while a SOAP request must go to Pool B.

 

 

Please see a traffic flow diagram here: http://postimage.org/image/x2o01l80r/

 

 

Any ideas on how to sperate the traffic to different pools?

 

 

Your help is greatly appreciated.

 

 

 

Regards,

 

Will
application delivery
dev
devops
iRules
  • Brian_69413's avatar
    Brian_69413
    Icon for Nimbostratus rankNimbostratus
    Aug 10, 2012
    How about this: 

    
when HTTP_REQUEST {
    if { [HTTP::header exists SOAPAction] }{
        pool Pool_B
    }
    else {
        pool Pool_A
    }
}
  • Will_4436's avatar
    Will_4436
    Icon for Nimbostratus rankNimbostratus
    Aug 10, 2012
    Thanks Brian!

     

     

    One thing I didn’t mention was that the VS is also used for other services, so the iRule must only divert traffic going to the URI of /app

     

     

    Can this be incorporated in the same iRule?
  • nitass's avatar
    nitass
    Icon for Employee rankEmployee
    Aug 10, 2012
    Can this be incorporated in the same iRule?yes, you can check uri before.

    e.g. 

    when HTTP_REQUEST {
   if {[string tolower [HTTP::uri]] starts_with "/app"} {
      if {[HTTP::header exists SOAPAction]} {
         pool Pool_B
      } else {
         pool Pool_A
      }
   }  
}
  • hooleylist's avatar
    hooleylist
    Icon for Cirrostratus rankCirrostratus
    Aug 14, 2012
    If you're only selecting a pool in some of the iRule cases, make sure to add a OneConnect profile to the virtual server to ensure each HTTP request is load balanced to the correct pool.

     

     

    https://devcentral.f5.com/wiki/AdvDesignConfig.ONECONNECT.ashx

     

     

    Aaron