iRules Recipe 4: Static Maintenance Page
The Problem
You wish to provide a static maintenance splash page when all members of a pool serving a Virtual Server are currently down or disabled.
The Configuration
# cat /var/tmp/splash-...
Updated Jun 06, 2023
Version 2.0
VernonWells
Employee
Employee
ekaleido
Cirrus
CirrusWould probably be better still to just exclude the if statement and return the maintenance page on LB_FAILED. Although there could be a use case for acting differently based on why LB_FAILED was triggered.
As Lloyd Christmas would say, "I like it a lot."