using localvar to manage iRules process flow

Hi All,

 

 

I really appreciate your efforts in this wouderful forum.

 

 

I have a question which might solve the logs generated for TCL error for multiple redirection.

 

 

I have two irules, irule1 and irule2, and both are for HTTP redirection. I know that event disable is based on the connection rather than request which might cause subsequent requests bypassing that event, so I'm trying to avoid it.

 

 

irule 1

 

 

when HTTP_REQUEST {

 

switch [string tolower [HTTP::path]] {

 

"/xyz" {

 

HTTP::redirect "http://www.example.com/dir1/dir2/xyz"

 

set stop_processing 1

 

}

 

}

 

}

 

 

irule 2

 

 

when HTTP_REQUEST {

 

 

if {($stop_processing != 1)

 

body

 

}

 

}

 

 

My goal is to skip irule 2 if and only if irule 1 is processed for that connection, my questions are:

 

 

1- if there is no hit for irule 1, will be there any issues that prevent irule 2 from processing the request, as the localvar (stop_processing) has no value?

 

 

2- The localvar is per connection, so no need to worry about multiple/parallel connections, but what about subsequent HTTP_REQUEST during the same connection, is it possible to create irule 3 as below and associate it with the same VS to chenge localvar value.

 

 

when HTTP_RESPONSE {

 

set stop_processing 0

 

}

 

 

 

BR,