Local traffic policies and irules together

Problem this snippet solves: Local traffic policies are very useful to define URL-based redirection, virtual servers and pool assignments, host header rewriting... But some actions can't be done w...
Updated Jun 06, 2023
Version 2.0
iRules
local traffic policies
brad_11480's avatar
brad_11480
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Jan 25, 2019

Can this type of 'direct tcl' using variable assignment work for other commands? specifically i need to assign a pool based on the hostname. the forward to pool only allows for the pools that are defined to be used.

i tried...

tcl:[pool pool_[substr [string tolower [URI::decode [HTTP::host]]] 0 \".\"]_SSL]

but it results in the logging of an error:

Execution of action 'tcl set-variable name=dummy expression=tcl:[pool pool_[substr [string tolower [URI::decode [HTTP::host]]] 0 "."]_SSL]' failed, error ERR_TCL