GTM DNS Time based iRule assistance needed

Hi, maybe you could do something like this:

GTM rule for wide ip:

when DNS_REQUEST {
    set now [clock format [clock seconds] -format "%H:%M"]
     Maintenance on DC 1
    if { $now >= "01:00" and $now < "02:00" } {
        VS DC 2
        host 10.10.10.10 

     Maintenance on DC 2
    } elseif { $now >= "02:00" and $now < "03:00" } {
        VS DC 1
        host 20.20.20.20 
    }
    Otherwise, resolve from pool
}

DC 1 VS:

when HTTP_REQUEST {
    set now [clock format [clock seconds] -format "%H:%M"]
    if { $now >= "01:00" and $now < "02:00" } {
        HTTP::respond 200 content {MaintenanceSorry!} noserver
    }
}

DC 2 VS:

when HTTP_REQUEST {
    set now [clock format [clock seconds] -format "%H:%M"]
    if { $now >= "02:00" and $now < "03:00" } {
        HTTP::respond 200 content {MaintenanceSorry!} noserver
    }
}

Regards.

Follow up question.....this seems to be working except for the fact that the two data centers are in different time zones. Is there a way to change the time to GMT so both centers register the same time period?

Hi,

when products are deployed in multiple timezones, I configure the same timezone for both (like GMT)

you can also try with command:

set now [clock format [clock seconds] -format "%H:%M" -timezone GMT]

I think this is the solution:

set now [clock format [clock seconds] -format "%H:%M" -gtm 1]