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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.
John_Alam_45640's avatar
John_Alam_45640
Historic F5 Account
Feb 29, 2016

Split page into two parts: 

set ifile1 [ifile get down_html_part1]  
set dynamic_part "today is wedenesday"  
set ifile2 [ifile get down_html_part2]  

set content "$ifile1$dynamic_part$ifile2"  
HTTP::respond 200 content $content