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Forum Discussion

kraysco_322584's avatar
kraysco_322584
Icon for Nimbostratus rankNimbostratus
Jun 02, 2017

iRule - command is not valid in the current event context - cookie management

I am attempting to write an iRule that checks a cookie on HTTP_REQUEST and then writes a cookie on HTTP_RESPONSE in order to control the display of a banner message:   when CLIENT_ACCEPTED { s...
application delivery
BIG-IP
devops
iRules
cjunior's avatar
cjunior
Icon for Nacreous rankNacreous
Jun 02, 2017

The command is on wrong layer place.

 

I have not tested, but I think it will work:

 

when RULE_INIT {    
    set static::notification_page {
        ... HTML Notification Page - code omitted ...                
    }
}

when HTTP_REQUEST  {
    set ckname NotificationDone
    set ckvalue 1
    set ckdomain ".[HTTP::host]"

    if { (not [HTTP::cookie exists $ckname]) } {
        HTTP::respond 200 content [subst $static::notification_page] Mime-Type "text/html" 
    }
}

when HTTP_RESPONSE {
    if { (not [HTTP::cookie exists $ckname]) } {
        HTTP::cookie insert name $ckname value $ckvalue path / domain $ckdomain
        HTTP::cookie expires $ckname 120
    }
}

Regards.