contains? starts_with? equals?

Hi,

 

 

You can read up on the two commands on their wiki pages:

 

 

http://devcentral.f5.com/wiki/default.aspx/iRules/HTTP__path.html

 

 

http://devcentral.f5.com/wiki/default.aspx/iRules/HTTP__uri.html

 

 

Are some of the requests matching the wrong condition in the iRule? Or why are you wanting to change the tests to equals?

 

 

Aaron

thx for your quick reply

 

 

the reason i want to use equals because there will be new vs using /123_456

So which pool would you want a request for /123_456 to go to?

 

 

Aaron

If for some reason "equals" isn't working for you, you might want to try a switch command with glob matching.

when HTTP_REQUEST { 
   switch -glob [HTTP::uri] { 
     "*/123/*" { 
       pool 123 
     } 
     "/456/*" { 
       pool 456 
     } 
     default { 
       pool 789 
     } 
   } 
 }

Make sure you don't have case comparison issues (ie. "/A" won't match "/a"). If you need mixed case, enclose the HTTP::uri with a "string tolower".

And, if all else fails, throw in some log statements to help diagnose why your matches aren't succeeding. Could be there are some trailing GET variables in the URI that you aren't accounting for.

-Joe

-Joe

/123_456 will go to another new pool pool_123456

How about this?

 when HTTP_REQUEST {  
   switch -glob [HTTP::uri] {  
     "*/123/*" {  
       pool 123  
     }  
     "/456/*" {  
       pool 456  
     }  
     "/123_456*" { 
       pool pool_123456 
     } 
     default {  
       pool 789  
     }  
   }  
 }

The first "*/123/*" should not match on "/123_456" so you should be set.

-Joe

Hi

 

 

I have a question relating to the speed of processing between the if ( starts_with)and switch (-glob). I know that switch is normall faster than an if else, but is it still faster with the glob?

 

 

Anthony

Posted By anthony@qut on 09/19/2010 06:10 PM

 

Hi

 

 

I have a question relating to the speed of processing between the if ( starts_with)and switch (-glob). I know that switch is normall faster than an if else, but is it still faster with the glob?

 

 

Anthony

 

 

Everything I've seen says yes. You can use "timing" to check the CPU cycles. http://devcentral.f5.com/Default.aspx?tabid=63&articleType=ArticleView&articleId=123

Thanks Chris.