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Pankaj_70057's avatar
Pankaj_70057
Icon for Nimbostratus rankNimbostratus
Jan 14, 2013

LTM Maintenance Page - error

Here is the irule, require to just setup any http request get the maintenance massage:     when HTTP_REQUEST {   HTTP::respond 403 content {              ...
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nitass's avatar
nitass
Icon for Employee rankEmployee
Jan 15, 2013
i am not sure why this iRule create issue to maintenance massage iRule. have you checked /var/log/ltm? i understand you would get "Multiple redirect/respond invocations not allowed" error message. 

[root@ve10:Active] config  b virtual bar80 list
virtual bar80 {
   destination 172.28.19.252:80
   ip protocol 6
   rules {
      myrule
      myredirect
   }
   profiles {
      http {}
      tcp {}
   }
}
[root@ve10:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST priority 100 {
  log local0. "-"
  HTTP::respond 200 content {This website is currently under scheduled maintenance until 8AM CST on 1/19/2013!}
}
}
[root@ve10:Active] config  b rule myredirect list
rule myredirect {
   when HTTP_REQUEST priority 200 {
  log local0. "-"
  HTTP::redirect "https://[getfield [HTTP::host] : 1][HTTP::uri]"
}
}

[root@ve10:Active] config  tail -f /var/log/ltm
Jan 15 15:04:11 local/tmm info tmm[4884]: Rule myrule : -
Jan 15 15:04:11 local/tmm info tmm[4884]: Rule myredirect : -
Jan 15 15:04:11 local/tmm err tmm[4884]: 01220001:3: TCL error: myredirect  - Operation not supported. Multiple redirect/respond invocations not allowed (line 1)     invoked from within "HTTP::redirect "https://[getfield [HTTP::host] : 1][HTTP::uri]""

 after adding event disable command to irule, there is no error anymore.

event Wiki
https://devcentral.f5.com/wiki/iRules.event.ashx

[root@ve10:Active] config  b rule myrule list
rule myrule {
   when HTTP_REQUEST priority 100 {
  log local0. "-"
  HTTP::respond 200 content {This website is currently under scheduled maintenance until 8AM CST on 1/19/2013!}
  event HTTP_REQUEST disable
}
}

[root@ve10:Active] config  tail -f /var/log/ltm
Jan 15 15:05:35 local/tmm info tmm[4884]: Rule myrule : -