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dlg_23340's avatar
dlg_23340
Icon for Cirrus rankCirrus
Nov 18, 2011

[class exists $redir_class]

Hello, all. I have an irule that needs to check if a class exists, then if it does, pull a record from it. If not, it should do nothing. in this case, the value contained in redir_class does not ex...
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nitass's avatar
nitass
Icon for Employee rankEmployee
Nov 22, 2011
mine is 10.2.3. 

[root@ve1023:Active] config  b version|grep -iA 1 version
BIG-IP Version 10.2.3 112.0
Final Edition
[root@ve1023:Active] config  b virtual bar list
virtual bar {
   snat automap
   pool foo
   destination 172.28.19.79:80
   ip protocol 6
   rules myrule
   profiles {
      http {}
      tcp {}
   }
}
[root@ve1023:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
        set redir_class test_vars
        if {[class exists $redir_class]}{
                log local0. "[class match -value -- [HTTP::uri] starts_with $redir_class]"
        } else {
                log local0. "class $redir_class does not exist"
        }
}
}

[root@ve1023:Active] config  curl -I http://172.28.19.79/var1
HTTP/1.1 404 Not Found
Date: Tue, 22 Nov 2011 11:35:21 GMT
Server: Apache/2.2.3 (CentOS)
Connection: close
Content-Type: text/html; charset=iso-8859-1

[root@ve1023:Active] config  
Nov 22 03:35:07 local/tmm info tmm[24220]: Rule myrule : 4

[root@ve1023:Active] config  curl -I http://172.28.19.79/var2
HTTP/1.1 404 Not Found
Date: Tue, 22 Nov 2011 11:35:24 GMT
Server: Apache/2.2.3 (CentOS)
Connection: close
Content-Type: text/html; charset=iso-8859-1

[root@ve1023:Active] config  
Nov 22 03:35:10 local/tmm info tmm[24220]: Rule myrule : 8


[root@ve1023:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST {
        set redir_class fake_test_vars
        if {[class exists $redir_class]}{
                log local0. "[class match -value -- [HTTP::uri] starts_with $redir_class]"
        } else {
                log local0. "class $redir_class does not exist"
        }
}
}

[root@ve1023:Active] config  curl -I http://172.28.19.79/var1
HTTP/1.1 404 Not Found
Date: Tue, 22 Nov 2011 11:35:58 GMT
Server: Apache/2.2.3 (CentOS)
Connection: close
Content-Type: text/html; charset=iso-8859-1

[root@ve1023:Active] config  
Nov 22 03:35:43 local/tmm info tmm[24220]: Rule myrule : class fake_test_vars does not exist