Forum Discussion

jrok_47156's avatar
jrok_47156
Icon for Nimbostratus rankNimbostratus
Dec 03, 2012

pool down redirect problem

...this is my init rule, it has some globals used in the later irule     when RULE_INIT {     sets number of seconds to wait before a maintenance retry   set ::wwwqawait 10   ...
application delivery
dev
devops
iRules
nitass's avatar
nitass
Icon for Employee rankEmployee
Dec 04, 2012
The second one checks for the uri of /maintenance and then calls an "event disable all".i understand event disable will prevent this irule being triggered by subsequence request in this connection such as image inside html file. 

 without event disable

[root@ve10:Active] config  b virtual bar list
virtual bar {
   snat automap
   pool foo
   destination 172.28.19.79:80
   ip protocol 6
   rules {
      rule1
      rule2
   }
   profiles {
      http {}
      tcp {}
   }
}
[root@ve10:Active] config  b rule rule1 list
rule rule1 {
   when HTTP_REQUEST priority 10 {
   log local0. [HTTP::uri]
}
}
[root@ve10:Active] config  b rule rule2 list
rule rule2 {
   when HTTP_REQUEST priority 20 {
   log local0. [HTTP::uri]
}
}

[root@ve10:Active] config  tail -f /var/log/ltm
Dec  5 00:59:16 local/tmm info tmm[7926]: Rule rule1 : /
Dec  5 00:59:16 local/tmm info tmm[7926]: Rule rule2 : /
Dec  5 00:59:16 local/tmm info tmm[7926]: Rule rule1 : /f5.gif
Dec  5 00:59:16 local/tmm info tmm[7926]: Rule rule2 : /f5.gif

 with event disable

[root@ve10:Active] config  b rule rule1 list
rule rule1 {
   when HTTP_REQUEST priority 10 {
   log local0. [HTTP::uri]
   event disable all
}
}
[root@ve10:Active] config  b rule rule2 list
rule rule2 {
   when HTTP_REQUEST priority 20 {
   log local0. [HTTP::uri]
}
}

[root@ve10:Active] config  tail -f /var/log/ltm
Dec  5 01:00:42 local/tmm info tmm[7926]: Rule rule1 : /