For more information regarding the security incident at F5, the actions we are taking to address it, and our ongoing efforts to protect our customers, click here.

Forum Discussion

Brad_Otlin's avatar
Brad_Otlin
Ret. Employee
May 08, 2013
Solved

Reference an iRule variable in an HTML iFile response

I have a sorry page iRule that serves an html sorry page if no servers are left in the pool and serves another page if a 404 or 5xx is encountered. The 404/5xx portion of the irule tries each server...
application delivery
dev
devops
iRules
  • spark_86682's avatar
    spark_86682
    May 08, 2013
    I think the subst Tcl command is closest to what you want: 

    
HTTP::respond 200 content  [subst -nocommands -nobackslashes [ifile get error_html]]

    Very clean, and much safer than using eval.
What_Lies_Bene1's avatar
What_Lies_Bene1
Icon for Cirrostratus rankCirrostratus
May 08, 2013
Hey Brad, I'm pretty sure there isn't a way to do this. Could you not directly serve some HTML that includes (and will expand) the variables and then pull the iFiles in using include statements or something similar?