Forum Discussion

eirikn's avatar
eirikn
Icon for Nimbostratus rankNimbostratus
Jul 26, 2016

Can anyone help me with single apology page using data groups?

Hi, I have a VS that serves several sites. Some times, one of these sites malfunction and I want to be able to manually put it in apology in a easy way. Im thinking a datagroup with a string and...
application delivery
BIG-IP
data group
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ekaleido's avatar
ekaleido
Icon for Cirrus rankCirrus
Jul 26, 2016

Make your data group look like this, maybe? Then you could write a quick API call to add or subtract hosts from the apology page and not have to worry about listing sites you don't want to take any action on/for.

 

"www.example.com := www.apology.page/example"

 

when HTTP_REQUEST {

 

set host [class match -value [string tolower [HTTP::host]] equals dg_apology_single]

 

if { $host ne "" } {

 

HTTP::redirect "https://$host"

 

unset $host

 

}

 

}

 

  • eirikn's avatar
    eirikn
    Icon for Nimbostratus rankNimbostratus
    Jul 26, 2016

    Hmm, Im not sure if I follow.

     

    Writing a API to manage the hosts sounds like a bit to much work. Not knowing exactly how to do so.

     

    Having all my sites in the datagroup, predefined with a simple Yes/no value will be easy for others to manage.

     

    If site3 is experiencing problems, one just has to change a no to yes.

     

    I think the hard part is to have a single site redirect to a unique URL, if a "yes" is present.

     

  • ekaleido's avatar
    ekaleido
    Icon for Cirrus rankCirrus
    Jul 26, 2016

    I don't like the way this plays out in a large environment, but if this is how you want to do it... Also if you want to append something relevant to site3 aspart of the URI in the redirect, it'll take a bit more work.

     

    www.site3.com := yes

     

    when HTTP_REQUEST {

     

    set host [class match -value [string tolower [HTTP::host]] equals dg_apology_single]

     

    if { $host eq "yes" } {

     

    HTTP::redirect "https://apology.page"

     

    unset $host

     

    }

     

    }

     

  • eirikn's avatar
    eirikn
    Icon for Nimbostratus rankNimbostratus
    Jul 26, 2016

    This looks good, but would require alot of tweaking to be able to have 40 different apology URLS.

    Every site has a unique apology URL.

    Im no expert with using datagroups, but is it possible to have a third colon with the unique aplogoy URL?

    So if the DG looks like this:

        site1.com | no  | www.apology.com/23423
    site2.com | no  | www.apology.com/43623
    site3.com | yes | www.apology.com/54233
    site4.com | no  | www.apology.com/68423
    site5.com | yes | www.apology.com/64732

    The irule would redirect site3.com to www.apology.com/54233

    and redirect site5.com to www.apology.com/64732 ?

    I am open for suggestions, or other ways to solve the problem.

  • ekaleido's avatar
    ekaleido
    Icon for Cirrus rankCirrus
    Jul 26, 2016

    You could do this, I suppose...

     

    when HTTP_REQUEST {

     

    set host [class match -value [string tolower [HTTP::host]] equals dg_apology_single]

     

    set newuri [split [string tolower [HTTP::host]] .]

     

    lassign $newuri first second third

     

    if { $host eq "yes" } {

     

    HTTP::redirect https://apology.page/$second

     

    unset $host

     

    }

     

    }