fix: updated worker node input validation logic (#724)

Author: imprateeksh

main.tf

@@ -43,13 +43,6 @@ locals {
 
 # Local block to verify validations for OCP AI Addon.
 locals {
-  # get the total workers per pool
-  workers_per_pool = {
-    for pool in var.worker_pools :
-    pool.pool_name => (
-      pool.vpc_subnets != null ? length(pool.vpc_subnets) * pool.workers_per_zone : length(var.vpc_subnets[pool.subnet_prefix]) * pool.workers_per_zone
-    )
-  }
 
   # retrieve worker specs (CPU & RAM) for all worker pools
   worker_specs = {

variables.tf

@@ -367,11 +367,6 @@ variable "addons" {
     error_message = "OCP AI add-on requires OCP version >= 4.16.0"
   }
 
-  validation {
-    condition     = (lookup(var.addons, "openshift-ai", null) != null ? lookup(var.addons["openshift-ai"], "version", null) == null : true) || alltrue([for workers in values(local.workers_per_pool) : workers >= 2])
-    error_message = "OCP AI add-on requires at least 2 worker nodes in each worker pool."
-  }
-
   validation {
     condition     = (lookup(var.addons, "openshift-ai", null) != null ? lookup(var.addons["openshift-ai"], "version", null) == null : true) || alltrue([for spec in values(local.worker_specs) : spec.cpu_count >= 8 && spec.ram_count >= 32])
     error_message = "To install OCP AI add-on, all worker nodes in all pools must have at least 8-core CPU and 32GB memory."