Forum Discussion

Bert_Vandebroek's avatar
Bert_Vandebroek
Icon for Nimbostratus rankNimbostratus
Jun 09, 2008

selective HTTP_RESPONSE_DATA

Hi guys,

 

 

Is there a way to do a selective HTTP_RESPONSE_DATA depending on the url a user is accessing ?

 

Got a problem with the customization of HFM, the app server has some issues with ssl ofloading so

 

we had to write a little irule that takes care of this

 

from the forums we found that with a HTTP_RESPONSE_DATA and HTTP_RESPONSE we could re-write the output

 

 

Now, I would need to enable / disable this depending on the url a user is using

 

HTTP::uri cannot be used, is there something else I can try ?

 

 

cheers

 

b

 

application delivery
dev
devops
iRules

1 Reply

Sort By
  • hooleylist's avatar
    hooleylist
    Icon for Cirrostratus rankCirrostratus
    Jun 09, 2008
    Hi,

    You can create datagroup (aka a class) containing the URI's or URI fragments that you want to collect the response data for. For a datagroup, the type would be string and it would look like this in the bigip.conf: 

     
 class my_uris { 
    "/uri1" 
    "/uri2" 
    "/uri3" 
 }

    You could then use matchclass to check if the requested URI matches the class: 

     
 when HTTP_REQUEST { 
  
     Check if the requested URI is part of the class 
    if {[matchclass [HTTP::uri] starts_with $::my_uris]}{ 
  
        Track that we want to collect the response data 
       set collect_response 1 
    } else { 
        Track that we do not want to collect the response data 
       set collect_response 0 
    } 
 } 
 when HTTP_RESPONSE { 
  
     Check if we're collecting the response 
    if {$collect_response}{ 
    ... 
    } 
 }

    If you're replacing strings within the response payload, it would be faster/more efficient to use a stream profile and the STREAM:: commands to do it. For more info on the STREAM:: commands, you can check the wiki page (Click here).

    Aaron